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    • 8. 发明公开
    • CURABLE LIQUID RESIN OPTICAL FIBER UPJACKET COMPOSITION
    • 可固化液体树脂光学纤维UPJACKET组合物
    • EP1809681A1
    • 2007-07-25
    • EP05787198.0
    • 2005-09-15
    • DSM IP Assets B.V.JSR Corporation
    • YAMAGUCHI, HiroshiKAMO, SatoshiSUGIMOTO, MasanobuSHIGEMOTO, TakeoMURPHY, Edward, Joseph
    • C08G18/28C08G18/67C09D175/16C08G18/48C08G18/76C08G18/10
    • C09D175/16C08G18/289C08G18/61C08G18/672C08G18/7621C08G18/8175C08L75/16C08G18/48C08L2666/20
    • The present invention provides a curable liquid resin composition which, when cured, exhibits excellent removability from an adjacent coating layer and is suitable as an optical fiber upjacket material. The curable liquid resin optical fiber upjacket composition comprising a urethane (meth) acrylate or a (meth) acrylate oligomer containing two or more (meth) acryloyl groups, a reactive diluent, a polymerization initiator, and a urethane (meth) acrylate compound containing at least one (meth) acryloyl group and selected from (Dl) to (D4) shown by the following general formula (1). (Dl) In the formula (1), R1 represents a methyl group, R2 and R3 individually represent a divalent organic group, and R4 represents a monovalent organic group. (D2) In the formula (1), R1 represents a hydrogen atom, R2 and R3 individually represent divalent organic groups, and R4 represents a polyol residue having a molecular weight of 1500 or more. (D3) In the formula (1), R1 represents a hydrogen atom or a methyl group, R2 and R3 individually represent divalent organic groups, and R4 represents a silicone residue having a molecular weight of 1000 to 30000. (D4) In the formula (1), R represents a hydrogen atom, R and R individually represent divalent organic groups, and R4 represents a polyol monoalkyl ether residue having a molecular weight of 500 to 20000.
    • 本发明提供一种固化性液态树脂组合物,该固化性液态树脂组合物在固化时显示出与邻接的涂层的优异的再剥离性,适合作为光纤上敷材料。 (甲基)丙烯酸酯或含有两个或更多个(甲基)丙烯酰基的(甲基)丙烯酸酯低聚物,反应性稀释剂,聚合引发剂和氨基甲酸酯(甲基)丙烯酸酯化合物的可固化液态树脂光导纤维护套组合物, (1)所示的(Dl)〜(D4)中的至少一个(甲基)丙烯酰基。 (D1)式(1)中,R1表示甲基,R2和R3分别表示二价有机基团,并且R4表示一价有机基团。 (D2)在式(1)中,R 1表示氢原子,R 2和R 3各自表示二价有机基团,并且R 4表示分子量为1500以上的多元醇残基。 (D3)式(1)中,R 1表示氢原子或甲基,R 2和R 3分别表示二价有机基团,R 4表示分子量为1000〜30000的有机硅残基。(D4)式 (1)中,R表示氢原子,R和R分别表示二价有机基团,并且R 4表示分子量为500-20000的多元醇单烷基醚残基。