Preparation of polyaryl ether ketones by electrophilic polyconde

Details Preparation of polyaryl ether ketones by electrophilic polyconde Preparation of polyaryl ether ketones by electrophilic polyconde

1990-02-01

1992-01-14

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, 528172, 528174, 528219, C08G 802, C08G 1400, C08G 7500

Patent

active

050812165

ABSTRACT:
The addition of compounds which convert carboxylic acids into their halides in the course of electrophilic polycondensation for preparing polyaryl ether ketones improves the controllability and reproducibility of the process and the properties of the products.

REFERENCES:
patent: 3441538 (1969-04-01), Marks
patent: 3442857 (1969-05-01), Thornton
patent: 3953400 (1976-04-01), Dahl
patent: 4186262 (1980-01-01), Freeman et al.
patent: 4636557 (1987-01-01), Deckers
patent: 4820790 (1989-04-01), Winslow et al.
patent: 4870153 (1989-09-01), Matzner et al.

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