Process for preparing a block copolymer from polyimides and...

Details Process for preparing a block copolymer from polyimides and... Process for preparing a block copolymer from polyimides and...

2006-07-13

2010-10-12

Wu, David (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C427S222000, C524S600000, C524S775000, C524S879000, C528S353000

Reexamination Certificate

active

07812099

ABSTRACT:
The invention describes a process for preparing pulverulent polyimide-polyimide block copolymers. The result polyimide-polyimide block copolymers and compounds produced using them can be compressed into moldings by the direct forming method or by the hot compression molding method. Polymeric moldings can be produced therefrom by customary mechanical and thermal machining and forming methods.

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