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    • 4. 发明专利
    • Organic photorefractive material and optical recording material using same
    • 有机光电材料和光学记录材料使用相同
    • JP2006018113A
    • 2006-01-19
    • JP2004197218
    • 2004-07-02
    • Nitto Denko Corp日東電工株式会社
    • NISHIO AKINORIODANE CHIHARUSASAKI TAKATOSHIMOCHIZUKI SHU
    • G02F1/361
    • PROBLEM TO BE SOLVED: To obtain a photorefractive material which is excellent in phase stability of the material, exhibits excellent photorefractive characteristics for a long period of time, and has a long working life. SOLUTION: The organic photorefractive material includes components of A, B, C and D groups mentioned below. Here, A is an organic polymer compound, B is a combination of N-(4-nitrophenyl)-L-prolinol and at least a kind of compound selected from a group of compounds mentioned below as electric field sensitive optical functional compounds, C is a photosensitizer, and D is a plasticizer. The above mentioned group of compounds consists of N-(4-nitrophenyl)-L-prolinol methyl ether, (s)-(-)-N-(5-nitro-2-pyridyl) prolinol, [[4-(hexahydro-1H-azepin-1-yl) phenyl] methylene] propanedinitrile, 4-(2,2-dicyanovinyl)-N-ethyl-N-(5-hydroxypentyl) aniline, and 4-(2,2-dicyanovinyl)-N,N-bis(2-methoxyethyl) aniline. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了获得材料的相稳定性优异的光折射材料,长时间显示出优异的光折射特性,并且具有长的使用寿命。 解决方案:有机光折射材料包括下述A,B,C和D基团的组分。 这里,A是有机高分子化合物,B是N-(4-硝基苯基)-L-脯氨酸和至少一种选自下述作为电场敏感性光学官能化合物的化合物的化合物的组合,C是 光敏剂,D是增塑剂。 上述化合物组由N-(4-硝基苯基)-L-脯氨酸甲酯,(S) - ( - ) - N-(5-硝基-2-吡啶基)脯氨醇,[[4-(六氢 - 1H-氮杂-1-基)苯基]亚甲基]丙二腈,4-(2,2-二氰基乙烯基)-N-乙基-N-(5-羟基戊基)苯胺和4-(2,2-二氰基乙烯基) N-二(2-甲氧基乙基)苯胺。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Porous polyimide and method for producing the same
    • 多孔聚酰亚胺及其制造方法
    • JP2006022260A
    • 2006-01-26
    • JP2004203201
    • 2004-07-09
    • Nitto Denko Corp日東電工株式会社
    • HIKITA TAKAMIMOCHIZUKI SHU
    • C08J9/02C08G73/10C08L79/08
    • PROBLEM TO BE SOLVED: To provide a porous polyimide having a fine closed-cell structure, a low dielectric constant and high heat resistance, especially to provide a film thereof and methods for producing these.
      SOLUTION: The porous polyimide is obtained by the steps of polycondensing a substituted 1,3-diaminobenzene expressed by general formula (I) (where R represents an alicyclic hydrocarbon) and an aromatic tetracarboxylic acid dianhydride to obtain a polyamic acid, thermally or chemically imidizing the obtained polyamic acid and heating the imidized product. Such a porous polyimide can be obtained by applying a polyamic acid solution, obtained by polycondensing the substituted 1,3-diaminobenzene and the aromatic tetracarboxylic acid dianhydride in a solvent, on a substrate and drying it into a polyamic acid film, then thermally or chemically imidizing this polyamic acid and heating the imidized product.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:为了提供具有精细的闭孔结构,低介电常数和高耐热性的多孔聚酰亚胺,特别是提供其膜及其制造方法。 解决方案:多孔聚酰亚胺通过以下步骤获得:将由通式(I)表示的取代的1,3-二氨基苯(其中R表示脂环族烃)和芳族四羧酸二酐缩聚得到聚酰胺酸, 或化学酰亚胺化所得聚酰胺酸并加热酰亚胺化产物。 这样的多孔性聚酰亚胺可以通过将取代的1,3-二氨基苯和芳香族四羧酸二酐在溶剂中缩聚得到的聚酰胺酸溶液涂布在基材上,并将其干燥成聚酰胺酸膜,然后进行热或化学 酰亚胺化该聚酰胺酸并加热酰亚胺化产物。 版权所有(C)2006,JPO&NCIPI