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公开(公告)号:US6080833A
公开(公告)日:2000-06-27
申请号:US896008
申请日:1997-07-17
申请人: Atsuo Otsuji , Keisuke Takuma , Rihoko Suzuki , Tatsuhiro Urakami , Toshihiro Motoshima , Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta , Masanobu Ajioka , Masatoshi Takagi , Akio Karasawa
发明人: Atsuo Otsuji , Keisuke Takuma , Rihoko Suzuki , Tatsuhiro Urakami , Toshihiro Motoshima , Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta , Masanobu Ajioka , Masatoshi Takagi , Akio Karasawa
IPC分类号: C08G83/00 , C08F222/10 , C08G18/32 , C08G59/17 , C08G59/24 , C08G63/193 , C08G63/672 , C08G64/06 , C08G73/10 , G11B7/243 , G11B7/253 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/2536 , G11B7/257 , G11B7/2578 , G11B7/258 , G11B7/2585 , C08G64/00
CPC分类号: G11B7/2535 , C08F222/1006 , C08G18/3215 , C08G59/1466 , C08G59/245 , C08G63/193 , C08G63/672 , C08G64/06 , C08G73/105 , G11B7/2533 , G11B7/2534 , G11B2007/24304 , G11B7/2536 , G11B7/2578 , G11B7/2585
摘要: A low-birefringent organic optical component comprising a polymer prepared by polymerizing a racemic mixture of the monomer with an asymmetric spiro ring represented by general formula (1) as an essential ingredient; wherein ring A represents a monocyclic or polycyclic organic group, wherein two ring As are mutually bound each other via a spiro bond to form a spiro ring which has a molecular asymmetric structure; n is an integer of 0 to 10; X.sub.1 and Y.sub.1 are binding groups; and Z.sub.1 is a polymerization-active group. The component has excellent transparency, mechanical strength and heat resistance, as well as a low birefringence.
摘要翻译: 一种低双折射有机光学元件,包括通过将单体的外消旋混合物与通式(1)表示的不对称螺环作为必要成分聚合而制备的聚合物; 其中环A表示单环或多环有机基团,其中两个环彼此通过螺键彼此相互结合以形成具有分子不对称结构的螺环; n为0〜10的整数。 X1和Y1是结合基团; Z1是聚合活性基团。 该组分具有优异的透明性,机械强度和耐热性,以及低双折射。
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公开(公告)号:US6103860A
公开(公告)日:2000-08-15
申请号:US332534
申请日:1999-06-14
申请人: Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta
发明人: Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta
CPC分类号: C08G69/40 , C08G69/32 , C08G73/1039
摘要: There is disclosed an organic optical component prepared from a resin essentially comprising one or more repetitive structural units selected from the group consisting of structures represented by general formula (1); ##STR1## wherein A is either of the groups below. ##STR2## This invention provides an organic optical component with excellent transparency, heat resistance and mechanical strength as well as a low birefringence. This invention also provides a novel aromatic polyamide with a low permitivity and excellent transparency, processability and thermal stability, besides excellent heat resistance inherent in an aromatic polyamide.
摘要翻译: 公开了一种由基本上包含一个或多个重复结构单元的树脂制备的有机光学组件,所述重复结构单元选自由通式(1)表示的结构; 其中A是下面的组之一。 本发明提供了具有优异的透明性,耐热性和机械强度以及低双折射性的有机光学部件。 本发明还提供了芳香族聚酰胺固有的耐热性优异的低介电常数和优异的透明性,加工性和热稳定性的芳香族聚酰胺。
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公开(公告)号:US5990261A
公开(公告)日:1999-11-23
申请号:US917387
申请日:1997-08-26
申请人: Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Keisuke Takuma , Masahiro Ohta
发明人: Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Keisuke Takuma , Masahiro Ohta
CPC分类号: C08G69/40 , C08G69/32 , C08G73/1039
摘要: A low birefringent organic optical component prepared from a resin consisting essentially of one or more repetitive structural units selected from the group consisting of structures represented by general formula (1); ##STR1## wherein A is either of the groups below. ##STR2## The organic optical component can exhibit excellent transparency, heat resistance and mechanical strength as well as a low birefringence. Also provided is a novel aromatic polyamide with a low permitivity and excellent transparency, processability and thermal stability, besides excellent heat resistance inherent in an aromatic polyamide.
摘要翻译: 由基本上由选自由通式(1)表示的结构的一个或多个重复结构单元组成的树脂制成的低双折射有机光学部件; 其中A是下面的组之一。 有机光学部件可以表现出优异的透明性,耐热性和机械强度以及低双折射性。 还提供了具有低介电常数和优异的透明性,加工性和热稳定性的新型芳族聚酰胺,以及芳族聚酰胺固有的优异的耐热性。
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公开(公告)号:US5763537A
公开(公告)日:1998-06-09
申请号:US577517
申请日:1995-12-22
IPC分类号: C08K5/3417 , C08L67/00 , C08L79/08
CPC分类号: C08K5/3417
摘要: A is a polyimide based resin molding composition comprising 100 parts by weight of crystalline polyimide having recurring structural units of the formula (1): ##STR1## and 1.about.50 parts by weight of crystallization accelerators selected from bisimide compounds of specific structure, a mixture of bisimide compounds, and imide based oligomer. The composition remarkably accelerates the crystallization velocity of polyimide of the formula (1), crystallization can be completed within a greatly reduced cooling time after melt processing, and the crystallized polyimide resin has excellent properties.
摘要翻译: A是一种聚酰亚胺基树脂模制组合物,其包含100重量份具有式(1)的重复结构单元的结晶聚酰亚胺:1分钟和50分钟的选自特定结构的双酰亚胺化合物的结晶促进剂 ,双酰亚胺化合物和基于酰亚胺的低聚物的混合物。 该组合物显着加速式(1)的聚酰亚胺的结晶速度,在熔融加工后的冷却时间内可以结晶化,结晶化聚酰亚胺树脂具有优异的性能。
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