Hydroxyfunctional thermoplastic polyesters

Details Hydroxyfunctional thermoplastic polyesters Hydroxyfunctional thermoplastic polyesters

1994-07-21

1996-03-05

Seidleck, James J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528112, 525533, C08G 5968

Patent

active

054969107

ABSTRACT:
A biodegradable hydroxy-functional polyester is prepared by contacting a hydroxy-functional aliphatic dicarboxylic acid or a mixture of dicarboxylic acids containing hydroxy-functional aliphatic diacids, with a diglycidyl ether or diglycidyl ester in the presence of an onium catalyst in an ether solvent under conditions suitable for forming the polyester.

REFERENCES:
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patent: 4128515 (1978-12-01), Tobias et al.
patent: 5089588 (1992-02-01), White et al.
patent: 5115075 (1992-05-01), Brennan et al.
patent: 5134218 (1992-07-01), Brennan et al.
patent: 5143998 (1992-09-01), Brennan et al.
patent: 5149768 (1992-09-01), White et al.
patent: 5171820 (1992-12-01), Mang et al.
Encyclopedia of Polymer Science and Engineering, vol. 2, 2nd Ed., Biodegradable Polymers, Samuel J. Huang, pp. 220-243.

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