Title:
成形体
Document Type and Number:
Japanese Patent JP7101373
Kind Code:
B2
Abstract:
The invention provides a molded article having excellent mechanical strength, heat resistance, surface roughness, and ferroelectricity. The molded article contains a crystal of a vinylidene fluoride/tetrafluoroethylene copolymer. The crystal is a β crystal and is a nano-oriented crystal that has a size of 100 nm or smaller. The molded article has an arithmetic average roughness of 3.0 µm or lower.
Inventors:
Masamichi Hikosaka
Seika Okada
Toshiyuki Fukushima
Kyohei Sawaki
Ken Okanishi
Yamaguchi Yasuyuki
Seika Okada
Toshiyuki Fukushima
Kyohei Sawaki
Ken Okanishi
Yamaguchi Yasuyuki
Application Number:
JP2020509169A
Publication Date:
July 15, 2022
Filing Date:
March 27, 2019
Export Citation:
Assignee:
Hiroshima University
Daikin Industries, Ltd.
Daikin Industries, Ltd.
International Classes:
C08J5/00; H01G4/32
Domestic Patent References:
| JP2014156581A | ||||
| JP2012149152A | ||||
| JP2002219750A |
Foreign References:
| WO2010084750A1 | ||||
| WO2012108463A1 | ||||
| WO2008090947A1 |
Other References:
彦坂正道 ほか,高分子の伸長結晶化で発見した”ナノ配向結晶(NOC)”の高耐熱性と高強度,高分子学会予稿集,第64巻, 第2号,日本,2015年08月25日,1G11
岡田聖香 ほか,伸長結晶化におけるナノ配向結晶生成の普遍性と核生成律速の検証,高分子学会予稿集,第63巻, 第1号,日本,2014年,1Pf010
福嶋俊行 ほか,フッ化ビニリデン/テトラフルオロエチレン共重合体(P(VDF/TFE))の核生成速度の過冷却依存性,高分子学会予稿集,第66巻, 第1号,日本,2017年05月15日,2C03
岡田聖香 ほか,伸長結晶化におけるナノ配向結晶生成の普遍性と核生成律速の検証,高分子学会予稿集,第63巻, 第1号,日本,2014年,1Pf010
福嶋俊行 ほか,フッ化ビニリデン/テトラフルオロエチレン共重合体(P(VDF/TFE))の核生成速度の過冷却依存性,高分子学会予稿集,第66巻, 第1号,日本,2017年05月15日,2C03
Attorney, Agent or Firm:
Patent Business Corporation Yasutomi International Patent Office
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