Two-step processes for the preparation of unsaturated polyesters

Details Two-step processes for the preparation of unsaturated polyesters Two-step processes for the preparation of unsaturated polyesters

1994-07-05

1995-09-12

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

430109, 430904, 528196, C08F 2000

Patent

active

054497191

ABSTRACT:
A process for the preparation of an unsaturated polyester which comprises the first reaction of a phthalate and a glycol to provide a transesterified product, and subsequently a second reaction comprising reacting said product with an unsaturated dicarboxylate monomer.

REFERENCES:
patent: 3590000 (1971-06-01), Palermiti et al.
patent: 3681106 (1972-08-01), Burns et al.
patent: 4533614 (1985-08-01), Fukumoto et al.
patent: 4788122 (1988-11-01), Kawabe et al.
patent: 4804622 (1989-02-01), Tanaka et al.
patent: 5227460 (1993-07-01), Mahabadi et al.

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