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    • 1. 发明申请
    • LIQUID CURABLE RESIN COMPOSITION FOR OPTICAL FIBER TAPES
    • 用于光纤带的液体可固化树脂组合物
    • WO2008120985A1
    • 2008-10-09
    • PCT/NL2008/050180
    • 2008-03-28
    • DSM IP ASSETS B.V.JSR CORPORATIONYAMAGUCHI, HiroshiKAMO, SatoshiKUROSAWA, Takahiko
    • YAMAGUCHI, HiroshiKAMO, SatoshiKUROSAWA, Takahiko
    • C09D4/06C09D175/00C03C25/00
    • C09D4/06C08G18/672C08G18/8175C09D175/16G02B6/448G02B6/4486C08G18/48
    • An optical fiber ribbon with a double layer structure comprising a first ribbon formed by bundling optical fibers using a first ribbon layer and a second ribbon formed by bundling the first ribbons using a second ribbon layer is described and claimed. The first ribbon layer is produced by curing a curable liquid resin composition, Composition 1, comprising: (Al) a urethane (meth)acrylate having a bisphenol structure; (A2) si urethane (meth)acrylate obtained by reacting an aliphatic polyather polyol, a polyisocyanate, and a hydroxyl group-containing (meth)acrylate; (B) a compound having a bisphenol structure and an ethylenically unsaturated group; and (C) a compound having an ethylenically unsaturated group other than the components (Al), (A2), and (B). The second ribbon layer is produced by curing a curable liquid resin composition, Composition 2, comprising: (D) 30 to '90 mass% of a urethane (meth)acrylate having a structure derived from polypropylene glycol with a number average molecular weight determined by gel permeation chromatography of 400 to 1,000; (E) 1 to 70 mass% of a compound having an ethylenically unsaturated group; (F) 0.1 to 10 mass% of a polymerization initiator; and (G) 1 to 50 mass% of a silicone compound with an average molecular weight of 1,500 to 35,000; wherein 50 to 100 mass% of the component (E) is a compound having two or more ethylenically unsaturated groups.
    • 描述并要求保护具有双层结构的光纤带,该带状结构包括通过使用第一带状层捆束光纤形成的第一带和通过使用第二带状层捆扎第一带而形成的第二带。 第一带状层是通过固化可固化液体树脂组合物,组合物1制备的,其包含:(A1)具有双酚结构的氨基甲酸酯(甲基)丙烯酸酯; (A2)通过使脂肪族聚酯多元醇,多异氰酸酯和含羟基的(甲基)丙烯酸酯反应得到的聚氨酯(甲基)丙烯酸酯; (B)具有双酚结构和烯属不饱和基团的化合物; 和(C)除了组分(A1),(A2)和(B)之外具有烯键式不饱和基团的化合物。 第二带层是通过固化可固化液体树脂组合物组合物2制备的,组合物2包含:(D)30至90质量%的由聚丙二醇衍生的结构的氨基甲酸酯(甲基)丙烯酸酯,其数均分子量由 凝胶渗透色谱法为400〜1000; (E)1〜70质量%的具有烯属不饱和基团的化合物; (F)0.1〜10质量%的聚合引发剂; 和(G)1〜50质量%的平均分子量为1500〜35,000的硅氧烷化合物; 其中,成分(E)的50〜100质量%为具有2个以上烯属不饱和基团的化合物。