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1. 发明授权

US06486292B2 Optical polyimide precursor, optical polyimide compound and fabricating method thereof 有权
标题翻译：光学聚酰亚胺前体，光学聚酰亚胺化合物及其制造方法
公开(公告)号：US06486292B2
公开(公告)日：2002-11-26
申请号：US09799665
申请日：2001-03-07
申请人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee , Eun-Ji Kim , Jung-Hee Kim , Woo-Hyeuk Jang
发明人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee , Eun-Ji Kim , Jung-Hee Kim , Woo-Hyeuk Jang
IPC分类号： C08G7310
CPC分类号： C07D487/04 , C07C217/90 , C08G73/105 , G02B1/045 , C08L79/08
摘要： The present invention provides an optical polyimide compound defined by the following formula in an optical high polymer material: wherein X is Cl, Br, oxo-halide, or fully halogenated alkyl; A is a divalent aromatic or halogenated aromatic moiety; and Z is a tetravalent moiety which may be a partly or fully fluorinated aromatic ring, a partly or fully chlorinated aromatic ring, a partly or fully fluorinated cycloaliphatic group, a partly or fully chlorinated aliphatic group, or combinations thereof connected via hetero atoms.
摘要翻译：本发明提供光学高分子材料中由下式定义的光学聚酰亚胺化合物：其中X为Cl，Br，氧代卤化物或完全卤代烷基; A是二价芳族或卤代芳族部分; Z是四价部分，其可以是部分或完全氟化的芳族环，部分或完全氯化的芳族环，部分或完全氟化的脂环族基团，部分或完全氯化的脂族基团，或其通过杂原子连接的组合。

2. 发明授权

US06891067B2 Optical polyimide precursor, optical polyimide compound and fabricating method thereof 有权
标题翻译：光聚酰亚胺前体，光学聚酰亚胺化合物及其制造方法
公开(公告)号：US06891067B2
公开(公告)日：2005-05-10
申请号：US10265705
申请日：2002-10-08
申请人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee , Eun-Ji Kim , Jung-Hee Kim , Woo-Hyeuk Jang
发明人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee , Eun-Ji Kim , Jung-Hee Kim , Woo-Hyeuk Jang
IPC分类号： C07C217/90 , C07D487/04 , C08G73/10 , G02B1/04 , C07C209/36 , C08G69/26 , G02B6/00
CPC分类号： C07D487/04 , C07C217/90 , C08G73/105 , G02B1/045 , C08L79/08
摘要： The present invention provides an optical polyimide precursor for use in making a polyimide. The precursor is defined by the following formula: wherein X is Cl, Br, oxo-halide, or fully halogenated alkyl, and A is a divalent aromatic or halogenated aromatic moiety. The present invention provides a method of preparing a diamine compound for use as an optical polyimide precursor. The method includes the steps of dissolving 2-chloro-5-nitrobenzotrifluoride and a diol in N,N-dimethylacetamide to form a solution, adding potassium carbonate, tert-butylammonium chloride and copper powder to said solution and heating the resulting mixture, removing the copper, precipitating and recrystallizing a dinitro-compound resulting from heating the mixture, and dissolving the dinitro-compound and reducing the dinitro-compound to yield a diamine compound.
摘要翻译：本发明提供一种用于制造聚酰亚胺的光学聚酰亚胺前体。前体由下式定义：其中X是Cl，Br，氧代卤化物或完全卤化的烷基，A是二价芳族或卤代芳族部分。本发明提供了制备用作光学聚酰亚胺前体的二胺化合物的方法。该方法包括将2-氯-5-硝基三氟甲苯和二醇溶解在N，N-二甲基乙酰胺中以形成溶液，向所述溶液中加入碳酸钾，叔丁基氯化铵和铜粉末并加热所得混合物，铜，沉淀并重结晶由加热混合物产生的二硝基化合物，并溶解二硝基化合物并还原二硝基化合物，得到二胺化合物。

3. 发明授权

US06316589B1 Polyimide for optical communications 有权
标题翻译：聚酰亚胺用于光通信
公开(公告)号：US06316589B1
公开(公告)日：2001-11-13
申请号：US09547312
申请日：2000-04-11
申请人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee
发明人： Kyung-Hee You , Kwan-Soo Han , Tae-Hyung Rhee
IPC分类号： C08G7310
CPC分类号： C08G73/1042 , C08G73/10 , C08G73/1039 , G02B1/046 , C08L79/08
摘要： A polyimide for optical communications, which is expressed by the formula (1) where R1 and R2 are independently selected from the group consisting of CF3, CCl3, unsubstituted aromatic ring group and halogenerated aromatic ring group; R3 and R4 are independently selected from the group consisting of Cl, F, I, Br, CF3, CCl3, unsubstituted aromatic ring group and halogenated aromatic ring group; and n is an integer from 1 to 39. The polyimides have a superior heat resistance, and can avoid the increase in optical absorption loss due to a refractive index increase and deterioration of adhesive and coating properties due to weak surface tension of a polyimide film. In addition, use of the polyimides as a material for a core layer of optical waveguides can expand the selection range of material for the cladding layer of the optical waveguide.
摘要翻译：一种用于光通信的聚酰亚胺，其由式（1）表示，其中R 1和R 2独立地选自CF 3，CCl 3，未取代的芳族环基团和卤代芳族环基团; R 3和R 4独立地选自Cl，F，I，Br，CF 3，CCl 3，未取代的芳环基和卤代芳环基; n为1〜39的整数。聚酰亚胺具有优异的耐热性，并且能够避免由于聚酰亚胺薄膜的表面张力弱导致的折射率增加，粘合剂劣化和涂布性能引起的光吸收损失的增加。此外，使用聚酰亚胺作为光波导的芯层的材料可以扩大光波导的包层的材料的选择范围。

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