Process for preparing hydroxy-functionalized polyesters

Details Process for preparing hydroxy-functionalized polyesters Process for preparing hydroxy-functionalized polyesters

1998-04-28

1999-10-05

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528297, C08G 6300

Patent

active

059626216

ABSTRACT:
A process for preparing a thermoplastic hydroxy-functionalized polyester comprises contacting a dicarboxylic acid or a mixture of dicarboxylic acids with a diepoxide in a given solvent in the presence of an end-capping agent and a catalyst under conditions sufficient to form the hydroxy-functionalized polyesters or polyethers.

REFERENCES:
patent: 4438254 (1984-03-01), Doorakian et al.
patent: 4480082 (1984-10-01), McLean et al.
patent: 5089588 (1992-02-01), White et al.
patent: 5115075 (1992-05-01), Brennan et al.
patent: 5171820 (1992-12-01), Mang et al.
patent: 5246751 (1993-09-01), White et al.
Cooper, "Molecular Weight Determination", Encyclopedia of Polymer Science and Engineering, Second Edition, vol. 10, pp. 1-19.

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