Injection molding of amic acid and amide-imide polymers and mold

Details Injection molding of amic acid and amide-imide polymers and mold Injection molding of amic acid and amide-imide polymers and mold

1978-07-25

1980-09-23

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264325, 264331, 2643281, C08K 702

Patent

active

042242142

ABSTRACT:
Method for preparing molded articles comprising injection molding at high compression ratios polymers having a spiral flow of at least about 4 inches at 600.degree. F. and 20,950 psi. and prepared from at least one aromatic tricarboxylic acid derivative and at least one aromatic diprimary diamine. Also disclosed are filled molding compositions containing such polymers and a method for preparing molded articles therefrom.

REFERENCES:
patent: 3554969 (1971-01-01), Long
patent: 3573260 (1971-03-01), Morello
patent: 3748304 (1973-07-01), Stephens
patent: 4016140 (1977-04-01), Morello
patent: 4026876 (1977-05-01), Bateman
patent: 4115372 (1978-09-01), Onder
patent: 4136085 (1979-01-01), Hanson

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