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특허 상세정보

Method for the synthesis of energetic thermoplastic elastomers in non-halogenated solvents

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-045/10    C06B-045/00    C08G-018/08    C08G-018/00   
미국특허분류(USC) 149/019.92; 528/059; 528/065
출원번호 US-0831411 (1999-11-09)
국제출원번호 PCT/US99/024013 (1999-11-09)
§371/§102 date 20010507 (20010507)
국제공개번호 WO00/034353 (2000-06-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    TraskBritt
인용정보 피인용 횟수 : 0  인용 특허 : 52
초록

A method is provided for preparing thermoplastic elastomers. A blocks of the thermoplastic elastomers are crystalline at temperatures below about 60째 C. and are derived from oxetane derivatives and/or tetrahydrofuran derivatives. B blocks of the thermoplastic elastomer are amorphous above about-20째 C. and are derived from oxetanes, tetra...

대표
청구항

What is claimed is: 1. A method of preparing a thermoplastic elastomer, comprising: dissolving A blocks and B blocks terminated with respective isocyanate-reactive groups into a solution comprising at least one non-halogenated solvent selected from the group consisting of at least one organic ether, at least one organic ester, and at least one organic ketone, the A blocks being crystalline below about 75째 C. and derived from monomers comprising at least one member selected from the group consisting of oxetane derivatives and tetrahydrofuran derivatives,...

이 특허에 인용된 특허 (52)

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