Process for the preparation of n-alkylphthalimide and copolymer

Details Process for the preparation of n-alkylphthalimide and copolymer Process for the preparation of n-alkylphthalimide and copolymer

1986-10-17

1987-06-23

Kight, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 26, 528125, 528126, 528128, 528172, 528176, C07D20948, C07D40310

Patent

active

046753761

ABSTRACT:
A copolymer prepared from a bis-(N-alkyphthalimide), a dianhydride and a diamine, and a process of preparing the copolymer by reacting a bis-(n-alkyphthalimide) with an alkali to form a tetracid, dehydrating the tetracid to a dianhydride and reacting the dianhydride with a diamine under copolymer forming conditions.

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patent: 4612361 (1986-09-01), Peters

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