硬化性シリコーン組成物およびその硬化物

Japanese Patent JP4799848

B2

A curable silicone composition includes: (A) an organopolysiloxane represented by the siloxane unit formula (1) given below and having at least two univalent organic groups that contain epoxy groups and are free of aromatic rings: [R13SiO1/2]a[R22SiO2/2]b[R3SiO3/2]c (where R1, R2, and R3 are univalent organic groups, at least two of which are univalent organic groups which contain epoxy groups and are free of aromatic rings; more than 20 mole % of R3 are aryl groups; a+b+c equals 1; on average, “a” satisfies the following condition: 0≰a≰0.8; on average, “b” satisfies the following condition: 0.2≰b≰0.8; and, on average, “c” satisfies the following condition: 0.2