Radiation stabilization of polymeric material

Details Radiation stabilization of polymeric material Radiation stabilization of polymeric material

1985-01-31

1988-06-07

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

522 75, C08K 534

Patent

active

047497343

ABSTRACT:
The present invention relates generally to semi-crystalline polymers which are suitable for stabilization by irradiation sterilization. More particularly, the present invention relates to improved additives for semi-crystalline polymers, such as propylene polymer compositions, to improve the properties of the polymer when subject to irradiation.

REFERENCES:
patent: 3537967 (1970-11-01), Kelley et al.
patent: 3940325 (1976-02-01), Hirao
patent: 4110185 (1978-08-01), Williams et al.
patent: 4274932 (1981-06-01), Williams et al.
Chakraborty, K. B. et al.-Chemistry and Industry, (Apr. 1, 1978) pp. 237-238.
Carlsson et al.-J. Applied Polymer Science 22, 2217-2228, (1978).
Hodgeman, D.-J. Polymer Science, 19, 807-818 (1981).
European Patent Office Application Publication No. 77 36 AI published 2-6-80.
Chakraberty, K. B. et al.: "Mechanisms of Antioxidant Action: The Behavior of Hindered Piperidine U.V. Stabilizers During Processing of LDPE"-Chemistry & Industry; Apr. 1, 1978, 237-238.

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