Polyimide manufacture

Details Polyimide manufacture Polyimide manufacture

1980-12-05

1982-11-09

Marquis, Melvyn I.

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528188, 528229, C08G 6310

Patent

active

043585817

ABSTRACT:
A process is disclosed for manufacturing high molecular weight polyimide from a chilled solution which includes a polyamide acid prepolymer, a finishing component, and a converting system wherein, when the solution is heated, polyamide acid polymer is formed and converted to polyimide.

REFERENCES:
patent: 3179630 (1965-04-01), Endrey
patent: 3179633 (1965-04-01), Endrey
patent: 3179634 (1965-04-01), Edwards
patent: 3342774 (1967-09-01), Hoegger
patent: 3356648 (1967-12-01), Rogers
patent: 3356759 (1967-12-01), Gerow
patent: 3356760 (1967-12-01), Matray
patent: 3410826 (1968-11-01), Endrey
patent: 3420795 (1969-01-01), Angelo
patent: 3541057 (1970-11-01), Kreuz
patent: 3546175 (1970-12-01), Angelo

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