发明授权
US4864013A Resin having excellent heat resistance and exhibiting anisotropy in
molten state
失效
具有优异的耐热性和在熔融状态下具有各向异性的树脂
- 专利标题： Resin having excellent heat resistance and exhibiting anisotropy in molten state
- 专利标题（中）： 具有优异的耐热性和在熔融状态下具有各向异性的树脂
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申请号： US249988申请日： 1988-09-27
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公开(公告)号： US4864013A公开(公告)日： 1989-09-05
- 发明人: Yukihiko Kageyama , Noriyuki Hayashi , Kenji Hijikata
- 申请人： Yukihiko Kageyama , Noriyuki Hayashi , Kenji Hijikata
- 申请人地址： JPX Osaka
- 专利权人： Polyplastics Co., Ltd.
- 当前专利权人： Polyplastics Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX62-251108 19871005
- 主分类号： C08G63/60
- IPC分类号： C08G63/60 ; C08G69/44 ; C09K19/38
摘要：
A polyester copolymer comprise 20 to 80 percent by mole of hydroxy-benzoic acid units, 1 to 40 percent by mole of naphthalene units and 1 to 40 percent by mole of dihydroxy-diphenylketone units. It is improved in the heat resistance and is specified by exhibiting the anisotropy in the molten state.
公开/授权文献
- US5483311A Projection exposure apparatus 公开/授权日：1996-01-09
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