Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
US12404387B2 · kind B2 · utility
0Cited by
14References
11Claims
0Family size
Assignee
Inventors
- Taketo Kato
- Satoru Yoneda
- Manabu Fujisawa
- Kazuya Asano
- Takahiro Kitahara
- Masahiro Higashi
- Akiyoshi Yamauchi
- Sumi Ishihara
- Yosuke KISHIKAWA
- Shinnosuke Nitta
- Marina NAKANO
- Hirotoshi Yoshida
- Yoshinori Nanba
- Kengo Ito
- Chiaki OKUI
- Hirokazu Aoyama
- Masamichi Sukegawa
- Taku Yamanaka
- Hiroyuki Sato
- Yuuji Tanaka
- Kenji Ichikawa
- Yohei FUJIMOTO
Key dates
| Filing date | Feb 15, 2022 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Jan 4, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/014
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A surfactant for polymerization including at least one selected from a surfactant represented by R1a—CO—R2a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb, wherein R1a, R2a, R3a, Xa, R1b, R2b, R3b, R4b, L and Xb are as defined herein. Also disclosed is a composition containing a fluoropolymer and the at least one surfactant, a composition containing a fluoropolymer and a compound represented by (H—(CF2)8—SO3)qM2, where M2 is as defined herein, and a molded article made from the composition containing a fluoropolymer and the compound represented by (H—(CF2)8—SO3)qM2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.