Polyolefin stabilization

Details Polyolefin stabilization Polyolefin stabilization

1981-04-16

1983-03-22

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252400A, 524102, 524120, C08K 534

Patent

active

043776515

ABSTRACT:
Homopolymers and copolymers of 1-olefins are protected against the deleterious effects of oxygen, heat and ultraviolet light by incorporating therein an additive system comprising a hindered amine component and a metal phosphonate component, optionally, containing a phenolic antioxidant, an organic phosphite, a lubricant and pigments in an amount sufficient to prevent such deterioration.

REFERENCES:
patent: 3824192 (1974-07-01), Di Battista et al.
patent: 3904581 (1975-09-01), Murayama et al.
patent: 3993655 (1976-11-01), Rasberger et al.
patent: 4035323 (1977-07-01), Mathis
patent: 4046737 (1977-09-01), Holt et al.
patent: 4052351 (1977-10-01), Dix et al.
patent: 4076689 (1978-02-01), Mills
patent: 4110305 (1978-08-01), Holt et al.
patent: 4185003 (1980-01-01), Hoeschele
patent: 4198334 (1980-04-01), Rasberger
Polymer Preprints-vol. 18, No. 1, Mar. 1977, pp. 393-401-Div. of Polymer Chemistry Inc., ACS.
Journal of Applied Polymer Science-vol. 22, 2217-2228 (1978).

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