Title:
PRODUCTION METHOD FOR FLUORINE-CONTAINING POLYURETHANE
Document Type and Number:
WIPO Patent Application WO/2023/080049
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for producing a high-quality fluorine-containing polyurethane without using an isocyanate, and to provide a fluorine-containing biscarbamate compound using said method. This production method for a fluorine-containing polyurethane represented by formula (III) is characterized by including a step for reacting a fluorine-containing biscarbamate compound represented by formula (I) with a diol compound represented by formula (II). (In the formulas, Rf1 indicates a fluorine-containing C1-6 alkyl group, Rf2 indicates a fluorine-containing C2-10 alkanediyl group, and R1 indicates a bivalent organic group.)
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Inventors:
TSUDA AKIHIKO (JP)
OKAZOE TAKASHI (JP)
WADA HIROSHI (JP)
TANAKA HIDEAKI (JP)
SUNAYAMA YOSHITAKA (JP)
KAKIUCHI TOSHIFUMI (JP)
OKAZOE TAKASHI (JP)
WADA HIROSHI (JP)
TANAKA HIDEAKI (JP)
SUNAYAMA YOSHITAKA (JP)
KAKIUCHI TOSHIFUMI (JP)
Application Number:
PCT/JP2022/040118
Publication Date:
May 11, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
UNIV KOBE NAT UNIV CORP (JP)
AGC INC (JP)
AGC INC (JP)
International Classes:
C08G18/80; C07C271/20; C08G71/04
Foreign References:
| JPH09302069A | 1997-11-25 | |||
| US4621149A | 1986-11-04 | |||
| JPS63213535A | 1988-09-06 | |||
| CN110092888A | 2019-08-06 | |||
| JP2015225689A | 2015-12-14 | |||
| JP2022041367A | 2022-03-11 | |||
| JP2002500654A | 2002-01-08 |
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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