发明授权
- 专利标题: Polyesters of 4,4'dihydroxybicyclohexyl
- 专利标题(中): 4,4'-二羟基双环己基的聚酯
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申请号: US221745申请日: 1988-07-20
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公开(公告)号: US4904757A公开(公告)日: 1990-02-27
- 发明人: Alfredo Coassolo , Andrea Gardano , Marco Foa' , L. Lawrence Chapoy
- 申请人: Alfredo Coassolo , Andrea Gardano , Marco Foa' , L. Lawrence Chapoy
- 申请人地址: ITX Milan
- 专利权人: Montedison S.p.A.
- 当前专利权人: Montedison S.p.A.
- 当前专利权人地址: ITX Milan
- 优先权: ITX21402A/87 19870723
- 主分类号: C08G63/18
- IPC分类号: C08G63/18 ; C08G63/16 ; C08G63/199 ; C08L67/02
摘要:
Thermotropic semiflexible polyesters are taught which are obtained by polycondensation of 4,4'-dihydroxybicyclohexyl with at least one .alpha.,.omega.- alkandioic acid of general formula:HOOC-(CH.sub.2).sub.n -COOH (I)wherein n is an integer comprised between 4 and 12.
公开/授权文献
- US6079565A Clipless tray 公开/授权日:2000-06-27