PURPOSE: The titled composition, obtained by blending a specific organopolysiloxane with a specific amount of a specific organohydrogenpolysiloxane, etc., having a high curing rate on irradiation with light as well as improved peeling performance and suitable as a back treating agent, etc., for tapes, etc.
CONSTITUTION: A composition obtained by blending (A) 100pts.wt. organopolysiloxane, having at least one terminal group of the molecular chain sealed with trivinylsilyl group and expressed by the formula [R1 is 1W6C saturated monofunctional hydrocarbon; R2 and R3 are 1W12C (substituted) monofunctional hydrocarbon; a and b are 2 or 3; n is 20W2,000] with (B) 0.1W50 pts.wt. organohydrogenpolysiloxane having hydrogen atoms linked to the silicon atom at 10:1W1:10 molar ratio based on the amount of the vinyl groups in the component (A) and ≥2≡SiH groups in one molecule, (C) 1W1,000ppm platinum based catalyst and (D) 0.1W10pts.wt. photosensitizer, e.g. benzil, etc.
HARA YASUAKI
KONDO KIYOHIRO
| JPS6013847A | 1985-01-24 | |||
| JPS60190458A | 1985-09-27 | |||
| JPS60177029A | 1985-09-11 |
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