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    • 2. 发明申请
    • LIQUID CURABLE FLUOROSILICONE COMPOSITION AND PRODUCTION METHOD THEREOF
    • 液体可固化氟石粉组合物及其生产方法
    • US20100234551A1
    • 2010-09-16
    • US12722268
    • 2010-03-11
    • Masayuki IKENO
    • Masayuki IKENO
    • C08G77/24
    • B01D19/0409C08G77/12C08G77/20C08G77/24C08L83/08C08L83/00
    • A liquid curable fluorosilicone composition having improved defoamability is provided. The composition comprises (A) an organopolysiloxane having a viscosity at 25° C. of 100 to 500,000 mPa·s and represented by the following formula: (CF3CH2CH2)aRbSiO(4-a-b)/2 wherein R is a monovalent hydrocarbon group with the proviso that at least 0.001% by mole of the hydrocarbon group is an alkenyl group, a is 0.1 to 1.0, b is 2.5 to 1.0, and a+b is 1.8 to 3.0, (B) an organohydrogenpolysiloxane containing at least two hydrogen atoms bonded to the silicon atom in a molecule, (C) an addition catalyst, and (D) a diorganopolysiloxane having a viscosity at 25° C. of 1 to 10,000 mPa·s which does not comprise trifluoropropyl group but comprises dimethylsiloxane unit.
    • 提供了具有改善的消泡性的液体固化氟硅酮组合物。 该组合物包含(A)在25℃下的粘度为100〜500,000mPa·s并由下式表示的有机聚硅氧烷:(CF 3 CH 2 CH 2)a R b SiO(4-ab)/ 2其中R是一价烃基,其中 条件是至少0.001%摩尔的烃基是烯基,a是0.1至1.0,b是2.5至1.0,a + b是1.8至3.0,(B)含有至少两个氢原子的有机氢聚硅氧烷键合 分子内的硅原子,(C)加成催化剂,(D)在25℃下的粘度为1〜10,000mPa·s的二有机聚硅氧烷,其不包含三氟丙基,但包含二甲基硅氧烷单元。