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    • 62. 发明专利
    • Ordered polyurethane-urea polymer having nonlinear optical characteristic
    • 具有非线性光学特性的订购聚氨酯 - 尿素聚合物
    • JP2003342342A
    • 2003-12-03
    • JP2002153362
    • 2002-05-28
    • Nitto Denko Corp日東電工株式会社
    • HIKITA TAKAMIMOCHIZUKI SHU
    • G02F1/361C08G18/32G02F1/37
    • PROBLEM TO BE SOLVED: To obtain a new ordered polyurethane-urea having the arrangement structure of its nonlinear optical component controlled for obtaining a greater nonlinear optical effect. SOLUTION: The polyurethane-urea polymer contains diisocyanate structural units represented by formula (1), diamine structural units represented by formula (2), diol structural units represented by formula (3), and structural units represented by formula (I), wherein the numbers of those structural units respectively are k, l, m and x, satisfying the inequality: 0.7≤4x/(k+l+m)≤1. The polymer has a number-average molecular weight of 2,000 to 200,000. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:获得具有非线性光学部件的排列结构的新的有序聚氨酯 - 尿素,以获得更大的非线性光学效应。 解决方案:聚氨酯 - 脲聚合物含有由式(1)表示的二异氰酸酯结构单元,由式(2)表示的二胺结构单元,由式(3)表示的二醇结构单元和由式(I)表示的结构单元, ,其中这些结构单元的数量分别为k,l,m和x,满足不等式:0.7≤4x/(k + 1 + m)≤1。 聚合物的数均分子量为2,000〜200,000。 版权所有(C)2004,JPO
    • 63. 发明专利
    • Sequence defined polyurethane urea polymer and its sheet
    • 序列定义的聚氨酯尿素聚合物及其片
    • JP2003327658A
    • 2003-11-19
    • JP2002131490
    • 2002-05-07
    • Nitto Denko Corp日東電工株式会社
    • HIKITA TAKAMIMOCHIZUKI SHU
    • B01D67/00B01D71/54C08G18/67C08G18/76C08J5/18
    • PROBLEM TO BE SOLVED: To obtain a novel sequence defined polyurethane urea from a diisocyanate having functional groups different in reactivity in the molecule, an aromatic diamine having photo-polymerizability, and an aliphatic diol.
      SOLUTION: The sequence defined polyurethane urea has a diisocyanate structural unit represented by formula (1), a diamine structural unit represented by formula (2), and a diol structural unit represented by formula (3), and its is the polyurethane urea having k structural units of formula (1), 1 structural unit of formula (2), and (m) structural units of formula (3) and having a number average molecular weight of 2,000-200,000, and it contains also (x) structural units of formula (I), and has a relation among (k), (l), (m) and (x) of 0.7≤4x/(k+l+m)≤1.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了从分子中具有不同反应性的官能团的二异氰酸酯,具有光聚合性的芳香族二胺和脂肪族二醇得到新的序列定义的聚氨酯脲。 解决方案:定义的聚氨酯脲具有由式(1)表示的二异氰酸酯结构单元,由式(2)表示的二胺结构单元和由式(3)表示的二醇结构单元,其为聚氨酯 具有式(1)的k个结构单元,式(2)的1个结构单元和(m)式(3)的结构单元并且数均分子量为2,000-200,000的尿素,并且还包含(x) (I)的结构单元,并且具有0.7≤4x/(k + 1 + m)≤1的(k),(l),(m)和(x)之间的关系。 版权所有(C)2004,JPO