| 摘要 |
PROBLEM TO BE SOLVED: To develop a block copolymer having excellent heat resistance, flexibility, and a forming appearance. SOLUTION: This block copolymer has a sea-island structure which has an island component average particle diameter of 1 nm to 100 nm in a solid state and a particle diameter distribution of 1 to 1.2. The block copolymer comprises (A) a polyimide segment and (B) a polysiloxane segment. COPYRIGHT: (C)2003,JPO
|
