Patent ID: 8629222
Filing Date: 2014-01-14
Classification: C08G,C08L,H01L

Abstract:
1. A non-foamed optical member comprising a polysiloxane cured product obtained by curing a heat-curable polysiloxane composition, said heat-curable polysiloxane composition comprising a dehydrogenative condensation reaction catalyst; a polysiloxane compound represented by formula (3):  and one of (i) and (ii): (i) a combination of polysiloxane compound (A) and polysiloxane compound (B); (ii): a polysiloxane compound (C), wherein polysiloxane compound (A) is a compound comprising two or more hydrosilyl groups per molecule and no substituent thereof has an aliphatic unsaturated bond, polysiloxane compound (B) is a compound comprising two or more silanol groups per molecule and no substituent thereof has an aliphatic unsaturated bond, polysiloxane compound (C) is a compound at least one hydrosilyl group and at least one silanol group per molecule and no substituent thereof has an aliphatic unsaturated bond, R R s and u are each a positive number, t≧0, x≧0, and y≧0.