Patent ID: 9371447
Filing Date: 2016-06-21
CPC Classification: C08G,C08K,C08L,H01L

Claim Text:
1. A curable silicone resin composition, comprising: 10 to 50 parts by weight of a linear polysiloxane (A) having at least one silicon bonded aryl group and at least two silicon bonded alkenyl groups in an average unit formula; 10 to 40 parts by weight of a first silicone resin (B1) having at least following siloxane units represented by the general formula: (R 10 to 40 parts by weight of a second silicone resin (B2) having at least following siloxane units represented by the general formula: (R 15 to 25 parts by weight of a Si—H containing polysiloxane (C) having a general formula given as HR a platinum group metal catalyst (D); wherein a weight ratio of the linear polysiloxane (A)/(the first silicone resin (B1)+the second silicone resin (B2)) is in the range of 0.1 to 2.0 and a weight ratio of the first silicone resin (B1)/the second silicone resin (B2) is in the range of 0.2 to 4.0.