70 Solid state 13C NMR and ESR studies of heat-treated ethylene-methacrylic acid ionomers
Shohei Mikage, Takayuki Matsukawa, Chikako T. Nakazawa, Atsushi Asano (Presentation-No.355)
ISMAR-APNMR-NMRSJ-SEST 2021, Abstracts, p.394 (P1-4-8), Online, 2021/8/22-27

69 Solid-state 13C NMR and X-ray diffraction studies of dibromoanthracene crystals
Shohei Mikage, Natsumi Kamiya, Atsushi Asano, Toshio Koizumi (Presentation-No.352)
ACS2020 Fall Virtual Symposium, Abstact POLY173, at (San Francisco) Online, 2020/8/17-20
Virtual Symposium due to COVID-19 pandemic On-demand Video
SciMeeting DOI: https://doi.org/10.1021/scimeetings.0c06948

68 Degradation of poly(urea-urethane) characterized by pulse and solid state NMR
Atsushi Asano1 (Invited Speaker), Kaori Numata2, Yasumoto Nakazawa3 (Presentation-No.351)
1. Department of Applied Chemistry, National Defense Academy, Japan
2. Tokyo Gas Co., Ltd, 
3. Biotechnology and Life Science, Graduate School of Engineering, 
Tokyo University of Agriculture and Technology,
ACS2020 Fall Virtual Symposium,Abstact POLY120, at (San Francisco) Online, 2020/8/17-20
Virtual Symposium due to COVID-19 pandemic On-demand Video
SciMeeting DOI: https://doi.org/10.1021/scimeetings.0c06947

67 Elucidation of degradation of poly (urea-urethane) with spin-spin relaxation time
Atsushi Asano1, Kaori Numata2, 3, Yasumoto Nakazawa3
1. Department of Applied Chemistry, National Defense Academy, Japan
2. Tokyo Gas Co., Ltd, 
3. Biotechnology and Life Science, Graduate School of Engineering, 
   Tokyo University of Agriculture and Technology,
ISMAR Euromar Joint Conference 2019, Abstact p.551 (P342), 
at Henry Ford Building Freie Universität Berlin, 2019/8/25-30 (Presentation-No.345)

66 Annealing Effect on the Crystalline Phase of an Ethylene Ionomer investigated by Solid State NMR
Atsushi Asano, Takayuki Matsukawa, Chikako T. Nakazawa
8th APNMR (Asia-Pacific NMR Symposium), Abstract p.99 (ID129), 2019/7/3-6, 
at Nanyang Technological University, Singapore  (Presentation-No.344)

65 Degradation behavior of long-term-thermally-aged urea-urethane with FT-IR spectra and
various solid state NMR experiments  (Presentation-No.336)
Kaori Numata1, 2, Atsushi Asano3, Yasumoto Nakazawa2
1.Tokyo Gas Co., Ltd, Yokohama, 
2.Biotechnology and Life Science, Graduate School of Engineering,
   Tokyo University of Agriculture and Technology, Koganei, 
3.Applied Chemistry, National Defense Academy, Yokosuka, Japan
MoDeSt2018, Abstracts P-3-41, at The Univsersity of Tokyo, Japan, 2018/Sep./2-6.

64 Elucidation of degradation behavior for thermally aged urea-urethane with various 
solid state NMR experiments  (Presentation-No.335)
Kaori Numata1, 2, Atsushi Asano3, Yasumoto Nakazawa2
1.Tokyo Gas Co., Ltd, Yokohama, 
2.Biotechnology and Life Science, Graduate School of Engineering,
   Tokyo University of Agriculture and Technology, Koganei, 
3.Applied Chemistry, National Defense Academy, Yokosuka, Japan
Euromar2018, Abstract Book p.522 (P293), at Nantes, France, 2018/July/1-5.

63 Construction of a Cell Adhesive Silk Fibroin Material by Mixing with Peptides
Chikako T. Nakazawa, Ryoichi Takahashi, Momoko Sonoda, Atsushi Asano
The Fiber Society's Spring 2018 Conference 
(Co-organized by The Society of Fiber Science and Technology, Japan),
Abstract FS-PII-46, at Funabashi, 12-14/June/2018  (Presentation-No.334)

62 Solid state 13C NMR study of ethylene ionomers: crystalline phase after heat treatment
Atsushi Asano (Invited Speaker)，Takayuki Matsukawa，Chikako T. Nakazawa
255th ACS National Meeting & Exposition, (Presentation-No.332)
at New Orleans, Louisiana, Abstract POLY324, 2018/March/18-22

61 Mapping of Motional Contrast by PCA and iLT Analyses of T2 NMR Relaxation:
Application to Polyisoprene Rubbers Filled with Carbon Black (Presentation-No.331)
Atsushi Asano (Invited Speaker), Masaki Tsunomura, Takahiro Ohkubo
4th Thailand-Japan Rubber Symposium Abstracts pp.34-35, 2018/March/6-7, at Bangkok
(Organizing Committee)

60 Spin-Spin Relaxation Time and 13C NMR spectra to Evaluate and Predict Degradation Behavior of 
Aged Rubber Parts (Presentation-No.322)
Kaori Numata1, 2, Hideto Kurokawa2, Sokei Sekine3, Yasumoto Nakazawa1, Atsushi Asano4
1 Graduate School of Engineering, Tokyo University of Agriculture and Technology, Japan.  
2 Tokyo Gas Co., Ltd., Japan. 3 Mitsui Chemical Analysis & Consulting Service Inc., Japan.  
4 National Defense Academy, Japan
32nd The Polymer Degradation Discussion Group (PDDG) conference,
Sep. 3-7/2017, at Taormina, Sicily, (Italy), Abstracts, p.80.

59 Degradation behavior of thermally aged rubber diaphragms evaluated and predicted 
by solid-state NMR (Presentation-No.320)
Kaori Numata, Hideto Kurokawa, Sokei Sekine, Yasumoto Nakazawa, Atsushi Asano
EUROMAR 2017, Book of Abstracts, p.406., 2017/July/2-6, Warsaw, Poland

58 Correlation between Degradation Behavior and Change in Temperature Dependence of 
Spin-Spin Relaxation Time for Aged Rubber Parts (Presentation-No.311)
Kaori Numata, Hideto Kurokawa, Sokei Sekine, Yasumoto Nakazawa, Atsushi Asano
International Elastomer Conference 2016, 
2016/Oct. 10-13, at Pittsburgh, USA, Abstract,#116.