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    • 4. 发明申请
    • OPTICAL FIBER COATINGS
    • 光纤涂层
    • WO2005021457A2
    • 2005-03-10
    • PCT/EP2004/051851
    • 2004-08-20
    • CIBA SPECIALTY CHEMICALS HOLDING INC.SITZMANN, Eugene ValentineWOLF, Jean-PierreBRAMER, DavidLOSAPIO, Greg
    • SITZMANN, Eugene ValentineWOLF, Jean-PierreBRAMER, DavidLOSAPIO, Greg
    • C03C25/10
    • C09D4/00C03C25/106C08F2/50C08F290/06C08F290/062C08F290/067
    • Optical fiber coating compositions which comprise at least one ethylenically unsaturated polymerizable compound and a photoinitiator blend, wherein the blend comprises (a) bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and (b) 2,4,6,-trimethylbenzoyl­ ethoxyphenylphosphine oxide in an (a):(b) weight:weight ratio of between about 1:10 and about 1:8; or (c) bis(2,4,6-trimethylbenzoA)phenylphosphine oxide, (d) 2,4,6,-trimethylbenzoylethoxyphenylphosphine oxide and (e) 2-­hydroxy-2-methyl-1-phenyl-1-propanone in a (c):(d):(e) weight:weight:weight ratio between about 3:11:14 and about 4:1:16; or (f) bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and (g) 2-hydroxy-2-methyl-1-phenyl-1-propanone in a (f):(g) weight:weight ratio of between about 1:3 and about 1:5 exhibit fast photospeed, very low color and fast photobleaching. The photoinitiator blends have low volatility, high shelf life stability and high compatibility with resins and monomers. The photoinitiator blends are for example liquid and easy to use.
    • 包含至少一种烯键式不饱和可聚合化合物和光引发剂共混物的光学纤维涂料组合物,其中所述共混物包含(a)双(2,4,6-三甲基苯甲酰基)苯基氧化膦和(b)2 ,4,6-,-trimethylbenzoyl&害羞; (a):(b)重量比:约1:10至约1:8的重量比的乙氧基苯基氧化膦; 或(c)双(2,4,6-三甲基苯甲酰基)苯基氧化膦,(d)2,4,6-三甲基苯甲酰基乙氧基苯基氧化膦和(e)2-和2-羟基-2-甲基-1-苯基-1-丙酮 在(c):(d):( e)重量:重量:约3:11:14和约4:1:16之间的重量比; 或(f)双(2,4,6-三甲基苯甲酰基)苯基氧化膦和(g)2-羟基-2-甲基-1-苯基-1-丙酮的(f):( g)重量: 约1:3和约1:5显示出快速的感光速度,非常低的颜色和快速的光漂白。 光引发剂共混物具有低挥发性,高贮存期稳定性和与树脂和单体的高相容性。 光引发剂混合物例如是液体并且易于使用。