Phosphite stabilizers for polyester resins

Details Phosphite stabilizers for polyester resins Phosphite stabilizers for polyester resins

1981-11-18

1983-05-24

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 552

Patent

active

043851452

ABSTRACT:
Poly(alkylene terephthalate) compositions containing a stabilizing proportion of a pentaerythritol diphosphite ester. The compositions are relatively stable under usual processing conditions which include high temperatures. Color formation, molecular degradation and acetaldehyde contamination are inhibited significantly.

REFERENCES:
patent: 3039993 (1962-06-01), Friedman
patent: 3928505 (1975-12-01), Klicker et al.
patent: 3940367 (1976-02-01), Pelousek et al.
patent: 4064100 (1977-12-01), Hechenbleikner
patent: 4066611 (1978-01-01), Axelrod
patent: 4097431 (1978-06-01), Asahara et al.
patent: 4258153 (1981-03-01), Yomamoto et al.

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