Poly(ester-ether) compositions having increased thermal stabilit

Details Poly(ester-ether) compositions having increased thermal stabilit Poly(ester-ether) compositions having increased thermal stabilit

1993-09-07

1994-08-30

Acquah, Samuel A.

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

Synthetic resins

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

528 88, 528 97, 528102, 528106, 528272, 528279, 528283, 528298, 528302, 528307, 528308, 5283086, 524779, 524783, 2641761, 264239, C08F 2000

Patent

active

053429028

ABSTRACT:
The present invention relates to poly(ester-ether) compositions and to a process for their preparation. In particular, the invention relates to poly(ester-ether) compositions obtained by reacting a polyester which is prepared from a dicarboxylic acid and an aliphatic diol with a dihydroxy aromatic compound in the presence of a metal catalyst. Incorporation of the dihydroxy aromatic compound into the polyester chain causes an increase in the Tg value and increases the thermal stability of the polyester. These poly(ester-ether) compositions are useful in molded articles of all types.

REFERENCES:
patent: 4124566 (1978-11-01), Saiki et al.

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