Method for fabricating thermoplastic high temperature polymer gr

Details Method for fabricating thermoplastic high temperature polymer gr Method for fabricating thermoplastic high temperature polymer gr

1989-08-31

1995-05-23

Nelson, Peter A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

428408, 4284735, 427381, 528347, 156312, 1563311, B32B 3126

Patent

active

054177928

ABSTRACT:
A pretreatment process for fabricating polyimide composites from prepreg, thereby reducing the formation of void producing or blister producing gases at elevated temperatures during a subsequent post cure cycle. The pretreatment process includes heating a prepreg to an elevated temperature and holding at said temperature for a period of time sufficient to achieve complete imidization of the prepreg but such that the material is still processable. Processes are also disclosed for the subsequent cure of the prepreg to form thermoplastic high temperature fiber reinforced composites.

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