業績

論文　1998年～2005年

論文
1998～2017年
1. Synthesis of graft copolymers from highly deproteinized natural rubber
Fukushima Yuichi, Kawahara Seiichi, Tanaka, Yasuyuki
Journal of Rubber Research (Kuala Lumpur) (1998), 1(3), 154-166.
Publisher: Malaysian Rubber Board
DOI: なし (Homepage参照)
http://rios.lgm.gov.my/cms/fedDigiJournalDetail.jsp?searchText=&selTab=digiCon&id=&type=JRR&issueYear=1998

2. Origin of characteristic properties of natural rubber - effect of fatty acids on crystallization
of cis-1,4- polyisoprene
Kakubo Takashi, Matsuura Ai, Kawahara Seiichi, Tanaka, Yasuyuki
Rubber Chemistry and Technology (1998), 71(1), 70-75.
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3538473

3. Characteristic properties of natural rubber. Synergistic action of fatty acids
Part 1. Saturated and unsaturated fatty acids
Nishiyama Naoyuki, Kawahara Seiichi, Kakubo Takashi, Hwee Eng Aik, Tanaka, Yasuyuki
Gummi, Fasern, Kunststoffe (1998), 51(4), 340-344.
Publisher: Dr. Heinz Gupta Verlag
DOI: なし (Homepageにも記載なし)
https://www.gupta-verlag.com/magazines/gak-gummi-fasern-kunststoffe/04-1998

4. Thermal properties and crystallization behavior of highly deproteinized natural rubber
Kawahara Seiichi, Kakubo Takashi, Suzuki Michio, Tanaka Yasuyuki
Rubber Chemistry and Technology (1999), 72(1), 174-180
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3538787

5. Synthesis and characterization of cis-1,4 polyisoprene esterified with stearic acid
Kakubo Takashi, Kawahara Seiichi, Tanaka Yasuyuki
Nippon Gomu Kyokaishi (1999), 72(10), 620-625
Publisher: Nippon Gomu Kyokai
DOI: https://doi.org/10.2324/gomu.72.620

6. Quantitative analysis of sequence length distribution of 1,2 units in polybutadienes by
ozonolysis-GPC method
Kakuta Keiko, Tamai Hironori, Wong Peng- Huwen, Kawahara Seiichi, Tanaka Yasuyuki
Macromolecules (1999), 32(19), 5994-5997.
Publisher: American Chemical Society
DOI: https://doi.org/10.1021/ma9816416

7. Crystallization behavior of natural rubber, Part 3 effect of saturated fatty acid on
crystallization of CIS-1,4- polyisoprene
Kawahara Seiichi, Matsuura Ai, Kakubo Takashi, Nishiyama Naoyuki, Tanaka Yasuyuki
Nippon Gomu Kyokaishi (1999), 72(7), 413-417.
Publisher: American Chemical Society
DOI: https://doi.org/10.2324/gomu.72.413

8. Crystallization behavior of natural rubber, part 2 effect of linked fatty acid on the
crystallization of cis-1,4- polyisoprene
Kawahara Seiichi, kakubo Takashi, Matsuura Ai, Eng Aik-Hwee, Tanaka Yasuyuki
Nippon Gomu Kyokaishi (1999), 72(5), 294-300
Publisher: Nippon Gomu Kyokai
DOI: https://doi.org/10.2324/gomu.72.294

9. Crystallization behavior of natural rubber, part 1.Effect of mixed fatty acid on the
crystallization of cis-1,4 polyisoprene
Kawahara Seiichi, Nishiyama Naoyuki, Matsuura Ai, Kakubu Takashi, Tanaka Yasuyuki
Nippon Gomu Kyokaishi (1999), 72(5), 288-293
Publisher: Nippon Gomu Kyokai
DOI: https://doi.org/10.2324/gomu.72.288

10. A novel method for 13C-NMR spectroscopy of polymer in emulsion: quantitative analysis
of microstructure of crosslinked polybutadiene in latex
Kawahara Seiichi, Bushimata Saori, Sugiyama Takashi, Hashimoto Chihiro,
Tanaka Yasuyuki
Rubber Chemistry and Technology (1999), 72(5), 844-853
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3538836

11. Free volume of cis-1,4 polyisoprene/polybutadiene blends
Akiyama Saburo, Kawahara Seiichi, Akiba Isamu, lio Satoshi, Li Hong-Ling,
Ujihira, Yusuke
Polymer Bulletin (Berlin) (2000), 45(3), 275-279
Publisher: Springer-Verlag
DOI: https://doi.org/10.1007/PL00006836

12. Crystallization behavior and strength of natural rubber: skim rubber, deproteinized
natural rubber, and pale crepe
Kawahara Seiichi, Kakubo Takashi, Nishiyama Naoyuki, Tanaka Yasuyuki,
Isono Yoshinobu, Sakdapipanich Jitladda T
Journal of Applied Polymer Science (2000), 78(8), 1510-1516
Publisher: John Wiley & Sons, Inc.
DOI: https://doi.org/10.1002/1097-4628(20001121)78:8<1510::AID-
APP70>3.0.CO;2-4

13. Crystallization behavior and strength of natural rubber isolated from different Hevea
clones
Kawahara Seiichi, Isono Yoshinobu, Kakubo Takashi, Tanaka Yasuyuki, Aik-Hwee Eng
Rubber Chemistry and Technology (2000), 73(1), 39-46
Publisher：American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3547578

14. Preparation and morphology of model graft copolymers of the A3B2 type with different
graft junction points
Takano Atsushi, Kondo Kazunori, Ueno Masaya, Ito Kazuya, Kawahara Seiichi,
Isono Yoshinobu, Suzuki Jiro, Matsushita Yushu
Polymer Journal (Tokyo, Japan) (2001), 33(10), 732-740
Publisher: Society of Polymer Science, Japan
DOI: https://doi.org/10.1295/polymj.33.732

15. High-resolution latex state 13C-NMR spectroscopy: part II. Effect of particle size and
temperature
Kawahara Seiichi, Isono Yoshinobu, Washino Keiko, Morita Toshiko, Tanaka Yasuyuki
Rubber Chemistry and Technology (2001), 74(2), 295-302.
Publisher：American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3544951

16. Depolymerisation of highly purified natural rubber. I. Metal-catalysed oxidation of
deproteinised natural rubber
Sakdapipanich Jitladda Tangpakdee, Kowitteerawut Tippawan, Kawahara Seiichi,
Tanaka Yasuyuki
Journal of Rubber Research (Kuala Lumpur, Malaysia) (2001), 4(1), 1-10.
Publisher: Malaysian Rubber Board
DIO: なし

17. Study of ionic conductivity of natural rubbers and natural rubber-based ion-conducting solid polymeric electrolytes
Kawahara, Seiichi
Seitainai no Kobunshi: Kinosei Zairyo Kaihatsu to Iryo eno Shintenkai, [Koenroku, Zairyo to shite Nagameta Seitainai no Kobunshi]
Publisher: Enu-Ti-Esu Tokyo, Japan
18.Preparation and characterization of natural rubber dispersed in nano-matrix Kawahara, Seiichi; Kawazura, Tetsuji; Sawada, Takumi; Isono, Yoshinobu
Polymer
Publisher: Elsevier Science Ltd.

Morphology and crystallization of NR in SBR/NR blends
Kawazura, Tetsuji; Kawahara, Seiichi; Isono, Yoshinobu
Nippon Gomu Kyokaish
Publisher: 日本ゴム協会

19. Preparation and characterization of cyclic polystyrene with short poly(2-tert-
butylbutadiene) sequences
Takano Atsushi, Nonaka Atsushi, Kadoi Osamu, Hirahara Kazuhiro, Kawahara Seiichi,
Isono Yoshinobu, Torikai Naoya, Matsushita Yushu
Journal of Polymer Science, Part B: Polymer Physics (2002), 40(15), 1582-1589.
Publisher: John Wiley & Sons, Inc.
DOI: https://doi.org/10.1002/polb.10183

20. Morphology and crystallization behavior of lightly crosslinked natural rubber in blend
Kawazura Tetsuji, Kawahara Seiichi, Isono Yoshinobu
Technical Papers - American Chemical Society, Rubber Division, [Fall Technical
Program], 162nd, Pittsburgh, PA, United States, Oct. 8-11, 2002 (2002), 1252-1275.
Publisher: American Chemical Society, Rubber Division Akron, Ohio
DOI: なし(学会予稿集)

21. Lower critical solution temperature phase behavior of natural rubber/polybutadiene blend
Kawahara Seiichi, Asada Yasuhiro, Isono Yoshinobu, Muraoka Kiyoshige,
Minagawa Yasuhisa
Polymer Journal (Tokyo, Japan) (2002), 34(1), 1-8.
Publisher: Society of Polymer Science, Japan
DOI: https://doi.org/10.1295/polymj.34.1

22. Effect of gel on the green strength of natural rubber
Kawahara Seiichi, Isono Yoshinobu, Sakdapipanich Jitladda T, Tanaka Yasuyuki,
Eng Aik-Hwee
Rubber Chemistry and Technology (2002), 75(4), 739-746
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3544999

23. Characterization of the large and small rubber particles in fresh Hevea latex
Sakdapipanich Jitladda T, Nawamawat Kanjanee, Kawahara Seiichi
Rubber Chemistry and Technology (2002), 75(2), 179-185.
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3544971

24. Study of ionic conductivity of natural rubbers and natural rubber-based ion-conducting
solid polymeric electrolytes
Kawahara Seiichi
Seitainai no Kobunshi: Kinosei Zairyo Kaihatsu to Iryo eno Shintenkai, [Koenroku, Zairyo
to shite Nagameta Seitainai no Kobunshi], Tokyo, Japan, July 25, 2003 (2003), 165-182.
Publisher: Enu-Ti-Esu Tokyo, Japan
DOI: なし

25. Spherulite growth of cis-1,4-polyisoprene isolated from natural rubber
Kawahara Seiichi, Takano Keiko, Isono Yoshinobu, Hikosaka Masamichi
Journal of Macromolecular Science, Physics (2003), B42(3 & 4), 569-578
Publisher: Marcel Dekker, Inc.
DOI: https://doi.org/10.1081/MB-120021583

26. Preparation and Morphology of Ring-Shaped Polystyrene-block-polyisoprenes
Takano Atsushi, Kadoi Osamu, Hirahara Kazuhiro, Kawahara Seiichi, Isono Yoshinobu,
Suzuki Jiro, Matsushita Yushu
Macromolecules (2003), 36(9), 3045-3050
Publisher: American Chemical Society
DOI: https://doi.org/10.1021/ma021357l

27. Preparation and characterization of natural rubber dispersed in nano-matrix
Kawahara Seiichi, Kawazura Tetsuji, Sawada Takumi, Isono Yoshinobu
Polymer (2003), 44(16), 4527-4531
Publisher: Elsevier Science Ltd.
DOI: https://doi.org/10.1016/S0032-3861(03)00415-4

28. Nonlinear viscoelastic properties and change in entanglement structure of linear polymers
2. Double-step large shearing deformations at moderately long time-scale
Isono Yoshinobu, Kawahara Seiichi, Kase Toshio
Journal of the Society of Rheology, Japan (2003), 31(4), 201-206
Publisher: Society of Rheology, Japan
DOI: なし

29. Morphology and crystallization of NR in SBR/NR blends
Kawazura Tetsuji, Kawahara Seiichi, Isono Yoshinobu
Nippon Gomu Kyokaishi (2003), 76(9), 319-323.
Publisher: Nippon Gomu Kyokai
DOI: https://doi.org/10.2324/gomu.76.319

30. Morphology and crystallization behavior of lightly crosslinked natural rubber in blend
Kawazura Tetsuji, Kawahara Seiichi, Isono Yoshinobu
Rubber Chemistry and Technology (2003), 76(5), 1164-1176
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3547794

31. Evaluation of filler effects on SBR in large shearing deformations 1.Utility of differential
dynamic modulus as predictor for wet skid resistance
Isono Yoshinobu, Oyama Taku, Kawahara Seiichi
Advances in Technology of Materials and Materials Processing Journal (2003), 5(2), 84-
91.
Publisher: AD-TECH
DOI: なし

32. Effects of Nonrubber Components on the Crystallization Behavior of Natural Rubber
Kawahara Seiichi, Ruangdech Jittra, Isono Yoshinobu, Hikosaka Masamichi,
Tanaka Yasuyuki
Journal of Macromolecular Science, Physics, Volume B42, Issue3 & 4, Pages761-771
Publisher: Marcel Dekker, Inc.
DOI: https://doi.org/10.1081/MB-120021605

33. Effect of non-rubber components on storage hardening and gel formation of natural
rubber during accelerated storage under various conditions
Yunyongwattanakorn Jintana, Tanaka Yasuyuki, Kawahara Seiichi, Klinklai Warunee,
Sakdapipanich Jitladda
Rubber Chemistry and Technology (2003), 76(5), 1228-1240
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3547799

34. Deproteinization of natural rubber with urea
Kawahara Seiichi, Klinklai Warnee, Isono Yoshinobu
Koen Yoshishu - Nippon Setchaku Gakkai Nenji Taikai (2003), 41st,111-112
Publisher: Nippon Setchaku Gakkai
DOI:なし（学会予稿集）

35. Depolymerization and ionic conductivity of enzymatically deproteinized natural rubber
having epoxy group
Klinklai Warunee, Kawahara Seiichi, Mizumo Tomonobu, Yoshizawa Masahiro,
Tangpakdee Sakdapipanich Jitladda, Isono Yoshinobu, Ohno Hiroyuki
European Polymer Journal (2003), 39(8), 1707-1712
Publisher: Elsevier Science B.V.
DOI: https://doi.org/10.1016/S0014-3057(03)00060-0

36. Studies on analysis of terpene resin in imported chewing gums
Uzawa Masayoshi, Sakurai Koji, Okuyama Satoko, Asada Shinya, Sakanoshita Masanori,
Tsukada Kiyoyasu, Kawahara Seiichi
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan (2004), 45(2),
67-72
Publisher: Nippon Shokuhin Eisei Gakkai
DOI: https://doi.org/10.3358/shokueishi.45.67

37. Removal of proteins from natural rubber with urea
Kawahara Seiichi, Klinklai Warunee, Kuroda Hirofumi, Isono Yoshinobu
Polymers for Advanced Technologies (2004), 15(4), 181-184
Publisher: John Wiley & Sons Ltd.
DOI: https://doi.org/10.1002/pat.465

38. Preparation of Poly(1,1-dimethyl silabutane) by Anionic Polymerization and Its
Crystallization
Kawahara Seiichi, Nagai Akinori, Kazama, Takeo Takano Atsushi, Isono Yoshinobu
Macromolecules (2004), 37(2), 315-321
Publisher: American Chemical Society
DOI: https://doi.org/10.1021/ma030290e

39. Phase transition and mechanical properties of elastomer
Kawahara Seiichi
Nihon Reoroji Gakkaishi (2004), 32(5), 259-263.
Publisher: Nihon Reoroji Gakkai
DOI: https://doi.org/10.1678/rheology.32.259

40. Ionic conductivity of highly deproteinized natural rubber having epoxy group mixed with
alkali metal salts
Klinklai Warunee, Kawahara Seiichi, Mizumo Tomonobu, Yoshizawa Masahiro,
Isono Yoshinobu, Ohno Hiroyuki
Solid State Ionics (2004), 168(1-2), 131-136
Publisher: Elsevier Science B.V.
DOI: https://doi.org/10.1016/j.ssi.2003.12.024

41. Hyperdeproteinized natural rubber prepared with urea
Klinklai Warunee, Saito Takayuki, Kawahara Seiichi, Tashiro Kei, Suzuki Yasuyuki,
Sakdapipanich Jitladda Tangpakdee, Isono Yoshinobu
Journal of Applied Polymer Science (2004), 93(2), 555-559
Publisher: John Wiley & Sons, Inc.
DOI: https://doi.org/10.1002/app.20463

42. Crystal nucleation and growth of natural rubber purified by deproteinization and trans-
esterification
Kawahara Seiichi, Takano Keiko, Yunyongwattanakorn Jintana, Isono Yoshinobu
Hikosaka Masamichi, Sakdapipanich Jitladda T, Tanaka Yasuyuki
Polymer Journal (Tokyo, Japan) (2004), 36(5), 361-367
Publisher: Society of Polymer Science, Japan
DOI: https://doi.org/10.1295/polymj.36.361

43. Structural characterization of vulcanized natural rubber by the latex state 13C-NMR
spectroscopy
Ukawa Jinta, Sakai Junichiro, Kawahara Seiichi, Isono Yoshinobu, Ohara Riichiro
Nippon Gomu Kyokaishi (2005), 78(9), 331-335
Publisher: Nippon Gomu Kyokai
DOI: https://doi.org/10.2324/gomu.78.331

44. Strain-induced crystallization in un-vulcanized natural rubbers by synchrotron X-ray
study
Toki Shigeyuki, Sics Igors, Hsiao Benjamin S., Amnuaypornsri Sureerut,
Kawahara Seiichi
Fall Technical Meeting - American Chemical Society, Rubber Division, 168th, Pittsburgh,
PA, United States, Nov.1-3, 2005 (2005), 75/1-75/13.
Publisher: American Chemical Society, Rubber Division, Akron, Ohio
DOI: 学会予稿集

45. Preparation of functionalized low molecular weight natural rubber latex using solid
nanometric Ti02 film as a photocatalyst
Sakdapipanich Jitladda T, Suksawad Patjaree, Insom Kittipong, Kawahara Seiichi
Rubber Chemistry and Technology (2005), 78(4), 597-605
Publisher: American Chemical Society, Rubber Division
DOI: https://doi.org/10.5254/1.3547900　

46. Effect of fatty acids on the strain-induced crystallization of natural rubber detected by tear
energy measurements
Kawazura Tetsuji, Kawahara Seiichi, Isono Yoshinobu
Journal of Applied Polymer Science (2005), 98(2), 613-619
Publisher: John Wiley & Sons, Inc.
DOI: https://doi.org/10.1002/app.22066

47. 13C-NMR spectroscopy of natural rubber vulcanizates
Kawahara Seiichi, Ukawa Jinta, Sakai Junichiro, Isono Yoshinobu
Spring Technical Meeting - American Chemical Society, Rubber Division, 167th, San
Antonio, TX, United States, May 16-18, 2005 (2005), 40/1-40/19.
Publisher: American Chemical Society, Rubber Division, Akron, Ohio
DOI: なし(学会予稿集)

48. Mechanism of graft copolymerization of styrene onto deproteinized natural rubber
Nanthaporn Pukkate、山本祥正、河原成元
Colloid and Polymer Science,
Publisher: Colloid and Polymer Science,

49. Preparation of soft material with nanomatrix structure from plant origin resource
Kawahara Seiichi
Materials Integration
Publisher: TIC

72. ラテックス13C-NMR法による加硫天然ゴムの構造解析　
日ゴム協誌
Publisher: 日本ゴム協会

50. Effect of fatty acids on strain-induced crystallization of natural rubber
J. Appl. Polym. Sci.
Publisher: J. Appl. Polym. Sci.

51. Structural Characterization of Sulfur Vulcanized Deproteinized Natural Rubber by Solid-State 13C-NMR Spectroscopy
J. Appl. Polym. Sci.
Publisher: J. Appl. Polym. Sci.

52. Preparation of Carbonated Natural Rubber
J. Polym. Sci., Polym. Chem. Ed
Publisher: J. Polym. Sci., Polym. Chem. Ed.

53. Preparation of functionalized low molecular weight natural rubber latex using solid nanometric TiO2 film as a photocatalyst
Rubber Chemistry and Technology
Publisher: Rubber Chemistry and Technology

54. Ionic conductivity of highly deproteinized natural rubber having various amount of epoxy group mixed with lithium salt.
Klinklai, Warunee; Kawahara, Seiichi; Marwanta, Edy; Mizumo, Tomonobu; Isono, Yoshinobu; Ohno, Hiroyuki
Solid State Ionics

55. Structural Characterization of Sulfur Vulcanized Deproteinized Natural Rubber by Solid-State 13C-NMR Spectroscopy
J. Appl. Polym. Sci.
Publisher: J. Appl. Polym. Sci.

Mechanism of graft copolymerization of styrene onto deproteinized natural rubber Nanthaporn Pukkate、山本祥正、河原成元
Colloid and Polymer Science,
Publisher: Colloid and Polymer Science,

56. Study on green polymer-carbon circulation in Asia region
Kawahara, Seiichi; Yamamoto, Yoshimasa.
日本ゴム協会誌
Publisher: 日本ゴム協会

57. FIB-SEM and TEMT Observation of Highly Elastic Rubbery Material with Nanomatrix Structure
Kawahara, Seiichi; Yamamoto, Yoshimasa; Fujii, Shuji; Isono, Yoshinobu; Niihara, Ken-ichi; Jinnai, Hiroshi; Nishioka, Hideo; Takaoka, Akio
Macromolecules (Washington, DC, United States) (2008), 41(12), 4510-4513
Publisher: American Chemical Society

58. Hydrogenation of natural rubber having epoxy group
Nghia, Phan Trung; Onoe, Hirufumi; Yamamoto, Yoshimasa; Kawahara, Seiichi
Colloid and Polymer Science
Publisher: Springer

59. Removal of proteins from natural rubber with urea and its application to continuous processes
Yamamoto, Yoshimasa; Nghia, Phan Trung; Klinklai, Warunee; Saito, Takayuki; Kawahara, Seiichi
Journal of Applied Polymer Science
Publisher: John Wiley & Sons, Inc

60. Modification of deproteinised natural rubber by graft-copolymerization of methyl methacrylate
usof, Nurul Hayati; Kawahara, Seiichi; Said, Ma'zam Md.
Journal of Rubber Research
Publisher: Malaysian Rubber Board

61. Field emission scanning electron microscopy combined with focused ion beam for rubbery material with nano-matrix structure
Akabori, Keiichi; Yamamoto, Yoshimasa; Kawahara, Seiichi; Jinnai, Hiroshi; Nishioka, Hideo
Journal of Physics, (2009), 184,
Publisher: Institute of Physics

62. Crosslinking junctions of vulcanized natural rubber analyzed by solid-state NMR spectroscopy equipped with field-gradient-magic angle spinning probe.
Kawahara, Seiichi; Chaikumpollert, Oraphin; Sakurai, Satoshi; Yamamoto, Yoshimasa; Akabori, Keiichi
Polymer
Publisher: Kobunshi Gakkai

63. Comparison between sodium dodecyl sulfate and polyfructose surfactant systems in urea deproteinisation of natural rubber latex.
Manroshan, S.; Mustafa, Asrul; Mok, K. L.; Kawahara, Seiichi; Amir-Hashim, M. Y.; Booten, K
Comparison between sodium dodecyl sulfate and polyfructose surfactant systems in urea deproteinisation of natural rubber latex.
Publisher: Malaysian Rubber Board,

64. Comparison between sodium dodecyl sulfate and polyfructose surfactant systems in urea deproteinisation of natural rubber latex.
Manroshan, S.; Mustafa, Asrul; Mok, K. L.; Kawahara, Seiichi; Amir-Hashim, M. Y.; Booten, K
Journal of Rubber Research (Kuala Lumpur, Malaysia) (2009),
Publisher: Malaysian Rubber Board

65. Photoreactive nanomatrix structure formed by graft-copolymerization of 1,9-nonandiol dimethacrylate onto natural rubber.
Yamamoto, Yoshimasa; Suksawad, Patjaree; Pukkate, Nanthaporn; Horimai, Tatsuya; Wakisaka, Osamu; Kawahara, Seiichi
Journal of Polymer Science, Part A: Polymer Chemistry (2010)
Publisher: John Wiley&Sons, Inc.

66. Photoreactive nanomatrix structure formed by graft-copolymerization of 1,9-nonandiol dimethacrylate onto natural rubber.
Karasawa, Hideyuki; Kamiyama, Masami; Takano, Kumiko; Hiraoka, Yuichi; Kawahara, Seiichi; Ohinata, Hiroshi
Nagano-ken Kogyo Gijutsu Sogo Senta Kenkyu Hokoku. (2010), 4, 150-152
Publisher: Nagano-ken Kogyo Gijutsu Sogo Senta,

67. Preparation of soft material with nanomatrix structure from plant origin resource.
seiichi Kawahara
Materials Integration
Publisher: Ti, Ai, Shi

68. Quantitative analysis for reaction between epoxidized natural rubber and poly (L-lactide) through 1H-NMR spectroscopy.
Saito, Takayuki; Klinklai, Warunee; Yamamoto, Yoshimasa; Kawahara, Seiichi; Isono, Yoshinobu; Ohtake, Yoshito
Saito, Takayuki; Klinklai, Warunee; Yamamoto, Yoshimasa; Kawahara, Seiichi; Isono, Yoshinobu; Ohtake, Yoshito
Publisher: John Wiley&Sons, Inc.

69. Study of crystallisation of natural rubber with differential scanning calorimetry.
Kawahara, Seiichi
Thermal Analysis of Rubbers and Rubbery Materials
Publisher: iSmithers, Shrewsbury, UK

70. Study of crystallisation of natural rubber with differential scanning calorimetry.
Kawahara, Seiichi
Thermal Analysis of Rubbers and Rubbery Materials
Publisher: ISmithers, Shrewsbury, UK

71. Preparation of thermoplastic elastomer from natural rubber grafted with polystyrene
Suksawad Patjaree , Yamamoto Yoshimasa , Kawahara Seiichi
European Polymer Journal
Publisher: Elsevier Ltd.

72. Sulfonation of hydrogenated natural rubber grafted with polystyrene
Suksawad Patjaree , Yamamoto Yoshimasa , Akabori Keiichi , Kawahara Seiichi
Sulfonation of hydrogenated natural rubber grafted with polystyrene
Publisher: KGK, Kautschuk Gummi Kunststoffe

73. Analysis of anthocyanins using liquid chromatograph mass spectrometry
Karasawa, Hideyuki; Kamiyama, Masami; Takano, Kumiko; Hiraoka, Yuichi; Kawahara, Seiichi; Ohinata, Hiroshi
Nagano-ken Kogyo Gijutsu Sogo Senta
Publisher: Nagano-ken Kogyo Gijutsu Sogo Senta

74. Photoreactive nanomatrix structure formed by graft-copolymerization of 1,9-nonandiol dimethacrylate onto natural rubber.
Yamamoto, Yoshimasa; Suksawad, Patjaree; Pukkate, Nanthaporn; Horimai, Tatsuya; Wakisaka, Osamu; Kawahara, Seiichi
Journal of Polymer Science, Part A: Polymer Chemistry (2010), 48, (11), 2418-2424
Publisher: John Wiley&Sons, Inc.

75. Quantitative analysis for reaction between epoxidized natural rubber and poly (L-lactide) through 1H-NMR spectroscopy.
Saito, Takayuki; Klinklai, Warunee; Yamamoto, Yoshimasa; Kawahara, Seiichi; Isono, Yoshinobu; Ohtake, Yoshito
Journal of Applied Polymer Science
Publisher: John Wiley&Sons, Inc.,

Preparation of thermoplastic elastomer from natural rubber grafted with polystyrene
Suksawad Patjaree , Yamamoto Yoshimasa , Kawahara Seiichi
European Polymer Journal
Publisher: Elsevier Ltd.

76. Photoreactive Nanomatrix Structure Formed by Graft-Copolymerization of 1,9-Nonandiol Dimethacrylate onto Natural Rubber
Yoshimasa Yamamoto, Patjaree Suksawad, Nanthaporn Pukkate, Tatsuya Horimai, Osamu Wakisaka, and Seiichi Kawahara
Polymer Journal
Publisher: J. Polym. Sci

77. Quantitative analysis for reaction between epoxidized natural rubber and poly (L-lactide) through 1H-NMR spectroscopy
Takayuki Saito, Warunee Klinklai, Yoshimasa Yamamoto, Seiichi Kawahara, Yoshinobu Isono and Yoshito Ohtake
Journal of Applied
Publisher: J. Appl. Polym. Sci

Sulfonation of hydrogenated natural rubber grafted with polystyrene Suksawad Patjaree , Yamamoto Yoshimasa , Akabori Keiichi , Kawahara Seiichi
Sulfonation of hydrogenated natural rubber grafted with polystyrene
KGK, Kautschuk Gummi Kunststoffe

78. Antioxidants for EPDM Seals Exposed to Chlorinated Tap WaterM. Gonokami, Y. Yamamoto, O. Chaikumpollert, Y. Ohtake, S. Kawahara,
Rubber Chemistry and Technology
Publisher: Rubber Division American Chemical Society

79. Influence of Reaction Conditions on the Properties of Nano-Matrix Structure Formed by Graft-Copolymerization of Acrylonitrile onto Natural Rubber
K. Prukkaewkanjana, S. Kawahara, J. Sakdapipanich,
Adv. Mater. Res
Publisher: Scientific.net

80. Controlling the Performance of Filled Rubbers
S. Kawahara, Y. Yamamoto, Y. Isono,
Nihon Reoroji Gakkaishi
Publisher: Nihon Reoroji Gakkaishi

81. Effect of Mg Oxide Nanoparticles on Sulphur Vulcanisation of Natural Rubber
N. Q. M. Siti, S. Kawahara
J. Rubber Res
Publisher: Journal of Rubber Research

82. Thermal Behavior of Vulcanized Deproteinzed Natural Rubber Nano-composites
N. Pipattananukul, W. Ariyawiriyanan, S. Kawahara
Energy Procedia
Publisher: ELSEVIER

83. Organic–inorganic nanomatrix structure and properties of related naturally occurring rubbery macromolecules
Seiichi Kawahara, Nurul Hayati Yusof,Kenshi Noguchi,Yoshimasa Yamamoto
Polymer
Publisher: ELSEVIER
84. Preparation of Polymer Electrolyte Membrane with Nanomatrix Channel through Sulfonation of Natural Rubber Grafted with Polystyrene
L. Fukuhara, N. Kado, K. Kosugi, P. Suksawad, Y. Yamamoto, H. Ishii, S. Kawahara,
Solid State Ionics
Publisher: ELSEVIER

85. Prevulcanization of Isoprene Rubber Latex
Kewwarin Sae-heng, Noriaki Iso, Kenichiro Kosugi, Seiichi Kawahara
Colloid and Polymer Science
Publisher: Colloid and Polymer Science

86. Preparation and Characterization of Hydrogenated Natural Rubber with Hydroxyl Groups N. T. Ha, K. Shiobara, Y. Yamamoto, L. Fukuhara, P. T. Nghia, S. Kawahara
Polymers for Advanced Technologies
Publisher: Polymers for Advanced Technologies

87. Preparation and Properties of Natural Rubber with Filler Nanomatrix Structure
Nurul Hayati Yusof, Kenshi Noguchi, Lina Fukuhara, Yoshimasa Yamamoto, Seiichi Kawahara
Colloid and Polymer Science
Publisher: Colloid and Polymer Science

88. Frozen Non-Equilibrium Structure for Anisotropically Deformed Natural Rubber with Nanomatrix Structure Observed by 3D FIB-SEM and Electron Tomography
Lina Fukuhara , Kenichiro Kosugi , Yoshimasa Yamamoto , Hiroshi Jinnai , Hideo Nishioka , Hiroyuki Ishii , Masao Fukuda , Seiichi Kawahara
Colloid and Polymer Science
Publisher: Colloid and Polymer Science

89. Preparation and Graft-Copolymerization of Hydrogenated Natural Rubber in Latex Stage
N. T. Ha, K. Kaneda, Y. Naitoh, L. Fukuhara, K. Kosugi, S. Kawahara
Journal of Applied Polymer Science
Publisher: Journal of Applied Polymer Science

90. Effect of fatty acids on strain-induced crystallization of natural rubber
J. Appl. Polym. Sci.
Publisher: J. Appl. Polym. Sci.

91. Preparation of functionalized low molecular weight natural rubber latex using solid nanometric TiO2 film as a photocatalyst. [Erratum to document cited in CA145:029226].
Rubber Chemistry and Technology
Publisher: Rubber Chemistry and Technology

Publisher: Solid State Ionics

92. Structural characterization of vulcanized natural rubber by latex state 13C NMR spectroscopy.
Ukawa, Jinta; Kawahara, Seiichi; Sakai, Junichiro
Journal of Polymer Science, Part B: Polymer Physics
Publisher: Journal of Polymer Science, Part B: Polymer Physics

93. Preparation and Characterization of Poly(Stearyl Methacrylate) Grafted Natural Rubber in Latex Stage
N. H. Yusof, K. Kosugi, T. K. Song, S. Kawahara
Polymer
Publisher: ELSEVIER

94. Characterization of Ozone-Degraded Composite of Crosslinked Polydimethylsiloxane with Silica in Water
S. Miwa, Y. Ohtake, S. Kawahara
Polymer Degradation and Stability
Publisher: ELSEVIER

95. Effect of Non-Rubber Components on the Mechanical Properties of Natural Rubber
Y. Zhou, K. Kosugi, Y. Yamamoto, S. Kawahara
Polymers for Advanced Technologies
Publisher: WILEY

96. Effect of Naturally Occurring Crosslinking Junctions on Green Strength of Natural Rubber
N. T. Thuong, O. Yamamoto, P. T. Nghia, K. Cornish, S. Kawahara
Polymers for Advanced Technologies
Publisher: WILEY

97. Formation of Organic–Inorganic Nanomatrix Structure with Nanosilica Networks and Its Effect on Properties of Rubber
K. Kosugi, H. Arai, Y. Zhou, S. Kawahara
Polymer
Publisher: ELSEVIER

98. Mechanism of Heterogeneous Hydrogenation of Natural Rubber in Latex
N. T. Ha, K. Kosugi, P. T. Nghia, S. Kawahara
Kautschuk Gummi Kunststoffe
Publisher: Hüthig GmbH

99. Latex-State NMR Spectroscopy for Quantitative Analysis of Epoxidized Deproteinized Natural Rubber
K. Sae-heng, T. Kanya, N. Choothong, K. Kosugi, W. Ariyawiriyanan, S. Kawahara
Polymers for Advanced Technologies
Publisher: WILEY

100. Characterization of Brominated Natural Rubber by Solution-State 2D NMR Spectroscopy
N. Choothong, K. Kosugi, Y. Yamamoto, S. Kawahara
Reactive and Functional Polymers
Publisher: ELSEVIER

101. Characterization of brominated natural rubber by solution-state 2D NMR Spectroscopy
Choothong Nuorn, Kosugi Kenichiro, Yamamoto Yoshimasa, Kawahara Seiichi
Reactive and Functional Polymers
Publisher: ELSEVIER

102. Modification of Vietnam natural rubber via graft copolymerization with styrene
Tran Anh Dung, Nguyen Thi Nhan, Nghiem Thi Thuong, Phan Trung Nghia, Yoshimasa Yamamoto, Kenichiro Kosugi, Seiichi Kawahara, Tran Thi Thuy
Journal of the Brazilian Chemical Society
Publisher: Sociedade Brasileira de Química

103. Highly enhanced mechanical properties in natural rubber prepared with a nanodiamond nanomatrixstructure
AsangiGannoruwaa、MasaoSumitab、SeiichiKawahara
Polymer
Publisher: ELSEVIER

104. Effect of strain-induced crystallization on the tear strength of natural rubber/styrene butadiene rubber blend
Fumitoshi Noguchi, Yuanbing Zhou, Kenichiro Kosugi, Yoshimasa Yamamoto, Phan Trung Nghia, Masao Fukuda, Seiichi Kawahara
Advanced in Polymer Technology
Publisher: Wiley

105. Ozone degradation of vulcanized isoprene rubber as a functional humidity
Yuka Iwase、Toru Shindo、Hiroaki Kondo,Yoshito Ohtake,Seiichi Kawahara
Polymer Degradation and Stability
Publisher: ELSEVIER

106. Latex-state NMR spectroscopy for quantitative analysis of epoxidized deproteinized natural rubber
Kewwarin Sae‐heng, Tanongsak Kanya, Nuorn Choothong, Kenichiro Kosugi, Warunee Ariyawiriyanan, Seiichi Kawahara
Polymers for Advanced Technology
Publisher: Wiley

107. 加硫ゴム表面にブリード・固着化させたワックスのオゾン遮断効果
岩瀬由佳、進藤徹、近藤寛朗、大武義人、河原成元
日本ゴム協会誌
Publisher: 日本ゴム協会

108. カーボンブラック充填加硫天然ゴム、イソプレンゴムおよび脱タンパク質化天然ゴムのフィラーの分散構造と物性
山本祥正, 宇川仁太, 浅野敦志, 岩井智昭, 河原成元, 倉本直明, 篠原裕和, 尻池寛之, 新藤寛明, 竹中克彦, 富永洋一, 西谷要介, 平原英俊, 堀内健, 松浦亜衣, 渡辺訓江
日本ゴム協会誌
Publisher: 日本ゴム協会

109. 1. Ozone degradation of vulcanized isoprene rubber as a functional humidity
　　Yuka Iwase,Toru Shindo, Hiroaki Kondo,Yoshito Ohtake, Seiichi Kawahara
DOI: https://doi.org/10.1016/j.polymdegradstab.2017.06.025

110. Modification of Vietnam natural rubber via graft copolymerization with styrene
Tran Anh Dung, Nguyen Thi Nhan, Nghiem Thi Thuong, Phan Trung Nghia,
Yoshimasa Yamamoto, Kenichiro Kosugi, Seiichi Kawahara, Tran Thi Thuy
DOI: http://dx.doi.org/10.21577/0103-5053.20160217

111. Latex-state NMR spectroscopy for quantitative analysis of epoxidized deproteinized natural rubber
Kewwarin Sae‐heng, Tanongsak Kanya, Nuorn Choothong, Kenichiro Kosugi, Warunee
Ariyawiriyanan, Seiichi Kawahara
DOI: https://doi.org/10.1002/pat.4008ePDFPDF

112. Highly enhanced mechanical properties in natural rubber prepared with a nanodiamond nanomatrixstructure
Asangi Gannoruwa, Masao Sumita, Seiichi Kawahara
DOI: https://doi.org/10.1016/j.polymer.2017.08.025
Journal: Polymer インパクトファクター：3.684

113. Effect of strain-induced crystallization on the tear strength of natural rubber/styrene
butadiene rubber blend
Fumitoshi Noguchi, Yuanbing Zhou, Kenichiro Kosugi, Yoshimasa Yamamoto, Phan
Trung Nghia, Masao Fukuda, Seiichi Kawahara
DOI: https://doi.org/10.1002/adv.21843

114. Effect of non-rubber components on the mechanical properties of natural rubber
Zhou Yuanbing, Kosugi Kenichiro, Yamamoto Yoshimasa, Kawahara Seiichi
DOI: https://doi.org/10.1002/pat.3870
Journal: Polymers for Advanced Technology インパクトファクター：1.907

115. Effect of naturally occurring crosslinking junctions on green strength of natural rubber
Thuong Ngniem Thi, Yamamoto Oraphin, Ngnia Phan Trung, Cornish Katrita,
Kawahara Seiichi
DOI: https://doi.org/10.1002/pat.3887

116. Characterization of brominated natural rubber by solution-state 2D NMR Spectroscopy
Choothong Nuorn, Kosugi Kenichiro, Yamamoto Yoshimasa, Kawahara Seiichi
DOI: https://doi.org/10.1016/j.reactfunctpolym.2017.02.004

117 Thermal degradation of deproteinized natural rubber
Yamamoto, Yoshimasa; Binti Norulhuda, Siti Nadiah; Nghia, Phan Trung; Kawahara,
Seiichi Polymer Degradation and Stability (2018), 156, 144-150
DOI: https://doi.org/10.1016/j.polymdegradstab.2018.08.003
　
118. Structure of crosslinking junctions of network polymers through rubber state NMR spectroscopy
Kawahara Seiichi
Abstracts of Papers, 255th ACS National Meeting & Exposition, New Orleans, LA, United States,
March
18-22, 2018 (2018), POLY-253
要旨集
119. Factors influencing green strength of commercial natural rubber
Thi Thuong Nghiem; Trung Nghia Phan; Kawahara Seiichi
Green Processing and Synthesis (2018), 7(5), 399-403.
DOI: https://doi.org/10.1515/gps-2018-0019

120. Effect of strain-induced crystallization on the tear strength of natural rubber/styrene butadiene rubber
　blend
Noguchi Fumitoshi; Zhou Yuanbing; Kosugi Kenichiro; Yamamoto Yoshimasa; Nghia Phan Trung;
Fukuda Masao; Kawahara Seiichi
Advances in Polymer Technology (2018), 37(6), 1850-1858.
DOI: https://doi.org/10.1002/adv.21843
　

121. Distribution of Nanodiamond Inside the Nanomatrix in Natural Rubber
Gannoruwa Asangi; Kawahara Seiichi
Langmuir (2018), 34(23), 6861-6868.
DOI: https://doi.org/10.1021/acs.langmuir.8b00761

122. Determination Of A Suitable Condition Of Graft Copolymerization Of Vinyltriethoxysilane Onto NR
To Form Nanomatrix Structure Zhou Yuanbing; Yamamoto Yoshimasa; Kawahara Seiichi
Rubber Chemistry and Technology (2018), 91(4), 767-775.
DOI: https://doi.org/10.5254/rct.18.81545

123. Detection of isomerization in commercial natural rubber
Thuong Nghiem Thi; Nghia Phan Trung; Kawahara Seiichi
Vietnam Journal of Chemistry (2018), 56(5), 574-578
Publisher: Wiley-VCH Verlag GmbH & Co. KGaA
DOI: https://doi.org/10.1002/vjch.201800050
インパクトファクター：見つからなかった

124. Crystallization behavior and mechanical property of epoxidized natural rubber/poly(lactic acid) blend
Yamamoto Yoshimasa; Ishida Takuya; Kosugi Kenichira; Kawahara Seiichi; Trung Phan
KGK, Kautschuk Gummi Kunststoffe (2018), 71(4), 32-38.
DOI: なし
　
日本語の論文
125. NMRによる市販天然ゴムの劣化の解析
(Analysis of Degradation of Commercial Natural Rubber through NMR)
NghiemThiThuong , 山本祥正 , 齊藤貴之 , 渡邊智子 , 大武義人 , 河原成元
プラスチック成形加工学会誌 30(8), 438-444, 2018-08
DOI: なし

126. ラテックス¹³C-NMR分光法に関する研究
飯塚悠介 , 今井美友 , 渡邊和哉 , 山本祥正 , 河原成元
材料技術 = Material technology 35(6), 172-179, 2017-11 = Material technology 35(6), 172-179, 2017-11
DOI: https://doi.org/10.11501/3258656
*2017-11となっているが、発行は2019

127. Controlling the size of silica nanoparticles in filler nanomatrix structure of natural rubber
Nghiem Thi Thuong Tran Anh Dunga Nurul Hayati Yusof Seiichi Kawahara
Polymer Volume 195 issue 8 122444

128. Formation of an in situ nanosilica nanomatrix via graft copolymerization of vinyltriethoxysilane onto natural rubber
Thuong Nghiem Linh Nguyen Nghia Phan Nurul Yusof Seiichi Kawahara
polymer advanced technologies Volume 31 issue 3 482-491

129. Nanodiamond Glass with Rubber Bond in Natural Rubber
Seiichi Kawahara Asangi Gannoruwa Ken Nakajima Xiaobin Liang Isamu Akiba Yoshimasa Yamamoto
ADVANCED FUNCTIONAL MATERIALS Volume 30 issue 15 1909791

130. Preparation of hydrogenated natural rubber with nanomatrix structure
Thu Ha Nguyen Quoc Viet Do Anh Dung Tran Seiichi Kawahara
polymer advanced technologies Volume 31 issue 1 86-93

131. Preparation of phenyl-modified natural rubber in latex stage
Nuorn Choothong Shintaro Shioyama Yoshimasa Yamamoto Seiichi Kawahara
polymers for advanced technologies Volume 30 issue 4 1044-1050

132. Rubber-state NMR Spectroscopy
Seiichi Kawahara, Yoshimasa Yamamoto and Takayuki Saito
NMR Methods for Characterization of Synthetic and Natural Polymers "

133. Formation of an in situ nanosilica nanomatrix via graft copolymerization of vinyltriethoxysilane onto natural rubber
Thuong Nghiem Linh Nguyen Nghia Phan Nurul Yusof Seiichi Kawahara
polymers for advanced technologies Volume 31 issue 3 482-491

134 タンパク質フリー天然ゴム
河原成元、山本祥正
日本ゴム協会誌　92巻12号　435-472

135. Preparation and Properties of Nanocomposite from NR and Natural Na+-Montmorillonite
Rubber Chemistry and Technology　 Volume 93　issue １

特許関係

1. Process for producing deproteinized natural rubber latexes
Tashiro Kei, Suzuki Yasuyuki, Kawahara Seiichi, Isono Yoshinobu
PCT Int. Appl. (2005), WO 2005085295 A1 20050915

2. Preparation of functionalized low molecular weight natural rubber latex using solid
nanometric TiO2 film as a photocatalyst
Tashiro Kei, Suzuki Yasuyuki, Kawahara Seiichi, Isono Yoshinobu
PCT Int. Appl. (2005), WO 2005082943 A1 20050909

聴講・口頭発表

1.　Introduction of Recent Developments in Rubber Research
Green Energy in 21th Century
2007/03/15

2.　 Function Properties of Nano-Matrix-Dispersed Natural Rubber
Fall 170th Technical meeting／American chemical society, Rubber division.
2006/10/10

3.　 Deproteinization and Graft Copolymerization of NR to form Nano-Matrix
International Symposium on Natural Rubber Materials 2006
2006/09/11

4. NMR解析
第127回ゴム技術シンポジウム
2006/11/02

5. Preparation and characterization of natural rubber having cyclic carbonate group
The 5th 21th century COE International Symposium on Global Renaissance by Green Energy Revolution
2005/08/08

6. High resolution latex 13C-NMR spectroscopy of sulful vulcanized natural rubber
The 5th 21th century COE International Symposium on Global Renaissance by Green Energy Revolution
2005/08/08

7. Cyclic Carbonated Natural Rubber Prepared with Super Critical Carbon Dioxide
The 8th SPSJ International Polymer Conference(IPC 2005)
2005/07/26

8. Blend and Conposites,effect of fatty Acid on Tear of Energy of Natural Rubber
21th Century High Phrformance Green Polymer-Polymer Alloys
2005/07/13

9. NMR Spectroscopy of Natural Rubber Vulcanizates
Rubber Division Chemical Society spring 167th technical meeting
2005/05/16

10. Effect of Fatty Acid on Tear Energy of Natural Rubber
21th Century High Performance Green Polymer--Polymer Alloys,Blends and Composites-
2005/07/17

11. 天然ゴムを原料とするテーラーメイド・グリーンポリマーケミストリー
第１３回分科会新世代エラストマー技術研究分科会
2005/11/04

12. 天然ゴムを原料とするテーラーメイド・グリーンポリマーケミストリー
第１１７回ゴム技術シンポジウム「持続可能社会におけるエラストマー新技術～新世代エラストマー技術研究分科会・セカンドステージ～」
2005/08/19

2017年度
Rubber Compouding Technology Seminar (3/8 Pathuman Princess Hotel.Bangkok,Thailand)
Pienary Lectures “Structure and Mechanical Properties of Natural Rubber”○Seiichi Kawahara Nagaoka University of Technology,Japan

2018年度
日本ゴム協会2018年年次大会（5/30-6/1 埼玉会館）
6/1B会場研究発表会(英語セッション)
B-16 “Degradation of Natural Rubber and Deproteinized Natural Rubber”
(長岡技術科学大学)河原成元・(東京工業高等専門学校)山本祥正・((一財)化学物質評価研究機構)齋藤藤貴之・大武義人
6/1C会場一般口頭発表
C-12 「NMR法による加硫天然ゴムの構造解析～ゴム１HNMR法による解析～」
((一財)化学物質評価研究機構)○齋藤貴之・仲山和海・大武義人・(長岡技術科学大学院)河原成元

The International Polymer Conference of Thailand(PCT-8) (6/14-6/15 Amari Watergate Hotel,Bangkok,Thailand)
Rubbers/Elastmers : “Characterization of vulcanaized natural rubber through rubber state NMR spectroscopy” ○Seiichi Kawahara Nagaoka University of Technology,JAPAN

第56回高分子材料自由討論会(6/28-6/30 山形県天童温泉ほほえみの宿滝の湯)
6/28 14:55-15:25 「ナノダイヤモンドナノマトリックス構造を有する天然ゴム」河原成元
(長岡技術科学大学)

INTERNATIONAL RUBBER CONFERENCE(IRC)2018 (9/4-9/6 Kuala Lumpur Convention Center)
9/6 09:00-09:20 Invited Speaker “Mechanical Propertise of Natural Rubber with Nanomatrix Structure ○Seiichi Kawahara Nagaoka University of Technology,JAPAN
第253回ゴム技術シンポジウムゴムおよびゴム薬の衛生問題とポジティブリスト(2/26東部ビル株式会社5階会議室)
16：00-17：00 「ゴム製品のポジティブリスト」長岡技術科学大学　河原成元

高分子学会九州支部フォーラム（2018/12/8（土）　長崎大学文京キャンパス　サイエンス＆テクノラボ　セミナー室２）
〇河原成元『無機ナノ粒子とゴム粒子の複合化による機能発現』

2018年度高分子基礎物性研究会・高分子計算機科学研究会・高分子ナノテクノロジー研究会　合同討論会（12/19~12/20 大阪大学中之島センター　講義室　304）
〇河原成元、山本祥正『ナノダイヤモンドナノマトリックス構造を有する天然ゴムの調製と物性』

第29回エラストマー討論会（2018/11/29~11/30 名古屋市中小企業振興会）
〇河原成元、山本祥正、石井宏幸『タンパク質フリー天然ゴムの調製』

〇山本祥正、石井宏幸、河原成元『天然ゴム製品の溶出タンパク質量と窒素含有量』

〇石井宏幸、山本祥正、Phan Trung Nghia、河原成元『天然ゴムの脱タンパク質化反応装置のスケールアップ』

〇河原成元、Asangi Gannoruwa、山本祥正『ナノダイヤモンドのナノマトリックス構造を有する天然ゴムの力学物性』

13th Fall Rubber Colloquium（2018/11/6~11/8 H4 Hotel Hannover Messe）
〇S.Kawahara『Preparation and Mechanical Properties of Natural Rubber with
Nanodiamond Nanomatrix Structure』

第133回衛生問題研究分科会（2018/12/13（木）東部ビル・1階会議室）
〇河原成元『ゴムにおけるポジティブリスト』
第66回レオロジー討論会（2018/10/17~10/19 リファレンス駅東ビル）
〇河原成元、Asangi Gannoruwa、山本祥正『ナノダイヤモンドナノマトリックス構造を有する天然ゴムの力学物性』

2018年度若手社員のための高分子基礎講座（2018/10/17~10/19 横浜ゴム湘南セミナーハウス）
〇河原成元『ゴムの基礎から自動車用ゴムまで』

学生発表
2017年度
The 4th Thailand-Japan Rubber Symposium(TJRS) (3/6-3/7 Pathuman Princess Hotel.Bangkok,Thailand)
08:30-17:00 4th TJRS Conference ポスター発表のため詳細なし(長岡技科大院)○三原大空

The 4th Thailand-Japan Rubber Symposium(TJRS) (3/6-3/7 Pathuman Princess Hotel.Bangkok,Thailand)
08:30-17:00 4th TJRS Conference Session4 : Rubber Characterization 6. “Latex State 13C-NMR Spectroscopyn for Polyalkyl acrylate” Yusuke Iizuka(Nagaoka University of Technology,Japan)

2018年度
18-1 NMR研究会(5/9理化学研究所・横浜キャンパス交流棟ホール1階)
ポスタープログラム　「ゴムNMR法により解析されたクロロプレンゴムの構造」
(長岡技科大院)○太田翔也・河原成元・（東ソー）永谷直人・齋藤俊裕

日本ゴム協会2018年年次大会（5/30-6/1 埼玉会館）
若手口頭発表
5/31 A会場
A-4 「無期フィラーナノマトリックス構造を有する天然ゴムの調整と物性」
(長岡技術科学大学大学院)○三原大空・野口賢至・河原成元
A-5 「ナノダイヤモンドナノマトリックス構造を有する天然ゴムの調製と物性」
(長岡技術科学大学大学院)○毛利学人・Asangi Gannoruwa・河原成元
5/31 B会場
B-1 「ナノマトリックス構造を有する合成イソプレンゴムの調製」
(長岡技術科学大学大学院)○西岡央成・河原成元・（東京工業高等専門学校）山本祥正
B-2 天然ゴムの加硫における非ゴム成分のナノマトリックス構造の効果
(長岡技術科学大学大学院)○佐藤皓大・河原成元
5/31D会場
D-8 「ゴムNMR法により解析されたクロロプレンゴムの構造と物性の関係」
(長岡技術科学大学大学院)○太田翔也・河原成元・(東ソー(株))永谷直人・齋藤俊裕

第６７回高分子学会年次大会 (5/23-5/25 名古屋国際会議場)
B高分子構造・高分子物理
1Pc019 「ナノマトリックス構造を有する合成イソプレンゴムの調製」
(長岡技科大)西岡央成・河原成元・(東京高専)山本祥正

The International Polymer Conference of Thailand(PCT-8) (6/14-6/15 Amari Watergate Hotel,Bangkok,Thailand)
“Latex-state 13C-NMR spectroscopy for Poly(alkyl acrylate)” Yusuke Iizuka(Nagaoka University of Technology,Japan)
“Preparation of Isoprene Rubber with a Silica Nanomatrix Structure” Zhou Yuanbing

2018年度高分子基礎物性研究会・高分子計算機科学研究会・高分子ナノテクノロジー研究会　合同討論会（12/19~12/20 大阪大学中之島センター　講義室　304）
〇西岡央成、河原成元、山本祥正『ナノマトリックス構造を有する合成イソプレンゴムの調製と物性』

第29回エラストマー討論会（2018/11/29~11/30 名古屋市中小企業振興会）
〇西岡央成、山本祥正、河原成元『ナノマトリックス構造を有する合成イソプレンゴムの調製と物性』口頭発表

〇西岡央成、山本祥正、河原成元『ナノマトリックス構造を有する合成イソプレンゴムの調製と物性』ポスター発表

発表2019-2020
Preparation and Characterization of natural rubber with Nanodiamond Nanomatrix Structure
44th INTERNATIONAL CONFERENCE AND EXPOSITION ON ADVANCED CERAMICS AND COMPOSITES Ceramics Division of The Americam Ceramic Society 20190126
Seiichi Kawahara

天然ゴムの構造と物性
第30回エラストマー討論会　日本ゴム協会 20191209 　河原成元、山本祥正

Analysis of crosslinking junctions of vulcanied natural rubber through rubber-state NMR spectroscopy第30回エラストマー討論会日本ゴム協会　20191209　Seiichi Kawahara, Yoshimasa Yamamoto
天然ゴム-ナノダイヤモンドハイブリッドの調製と力学物性
第67回レオロジー討論会日本レオロジー学会　20191016
河原成元、山本祥正＊、渡辺健人（長岡技大、＊東京高専）

ゴムNMR法による加硫天然ゴムの構造解析
第68回高分子討論会　日本高分子学会　20190924　
河原成元、山本祥正＊（長岡技大、＊東京高専）

Effect of bound rubber on mechnical properties of natural rubber with inorganic nanomatrix structure
International Rubber Conference 　2019　International Rubber Conference Organization
20190903　Seiichi Kawahara

mechanical and Viscoerastic Properties of natural rubber Prepared with Nanodiamond Nanomatrix Structure
IRC RUBBERCON　 2019 International Rubber Conference Organization　20190416
Seiichi Kawahara

ナノフィラー充填天然ゴム
第57回高分子材料自由討論会　高分子学会　20190705　河原成元

ナノダイヤモンドのナノマトリックス構造を有する天然ゴムの物性
第68回高分子学会年次大会高分子学会　20190528　
河原成元、山本祥正＊（長岡技大、＊東京高専）

ナノガラスの開発
中日先進高分子材料研究討論会　ナノテクノロジー研究会　20191119　河原成元

業績

論文 1998年～2005年

特許関係

聴講・口頭発表

論文　1998年～2005年