发明授权
US4956448A Copolyesters from 4,4'-biphenyldicarboxylic acid,
1,4-cyclohexanedimethanol, and 1,4-butanediol
失效
来自4,4'-联苯二羧酸,1,4-环己烷二甲醇和1,4-丁二醇的共聚酯
- 专利标题: Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol
- 专利标题(中): 来自4,4'-联苯二羧酸,1,4-环己烷二甲醇和1,4-丁二醇的共聚酯
-
申请号: US289298申请日: 1988-12-23
-
公开(公告)号: US4956448A公开(公告)日: 1990-09-11
- 发明人: John C. Morris , Winston J. Jackson, Jr.
- 申请人: John C. Morris , Winston J. Jackson, Jr.
- 申请人地址: NY Rochester
- 专利权人: Eastman Kodak Company
- 当前专利权人: Eastman Kodak Company
- 当前专利权人地址: NY Rochester
- 主分类号: C08G63/185
- IPC分类号: C08G63/185 ; C08G63/199
摘要:
Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and 1,4-butanediol. The copolyesters exhibit unusually high tensile strengths.
信息查询
IPC分类: