| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a silicone resin excellent in fracture toughness. <P>SOLUTION: The rubber-modified rigid silicone resin comprises a reaction product obtained by copolymerizing: (A) an organosilicon composition selected from (I) an organosilicone resin, (II) a hydrolyzable precursor of formula (I), and (III) a hydrolysate formed of (II); and (B) a silicone rubber, in a relative amount to make the prepared rubber-modified silicone resin have 6.9×10<SP POS="POST">8</SP>Pa Young's modulus. <P>COPYRIGHT: (C)2012,JPO&INPIT |
