CURABLE SILICONE COMPOSITION HAVING OPTICAL TRANSPARENCY AND PHOTOCURABLE RESIN MOLDING USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a putty-like curable silicone composition capable of hand malaxation, which shows high light transparency after curing.SOLUTION: Provided is a curable silicone composition comprising: a component (1) which is an organopolysiloxane having at least two unsaturated groups in one molecule; a component (2) which is an organohydrogenpolysiloxane having at least two SiH groups in one molecule; a component (3) which is a filler; and a component (4) which is a catalyst. A difference in refractive index between components having the highest refractive index and the lowest refractive index among the components (1) to (4) is set within 0.1000, and a complex viscosity [measurement conditions: stage temperature=23°C; strain amount=1%; frequency=0.1 Hz to 100 Hz; measurement method=frequency dispersion measurement; and measurement point=angular frequency of 25 rad/s] of any constituent composition before curing is set in a range of 10 Pa s to 100000 Pa s.