Radiation sterilizable propylene polymer compositions and articl

Details Radiation sterilizable propylene polymer compositions and articl Radiation sterilizable propylene polymer compositions and articl

1985-12-10

1987-05-19

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524120, 524508, 524518, C08K 552, C08K 534, C08K 549, G21F 110

Patent

active

046669590

ABSTRACT:
A propylene polymer molding composition which is resistant to discoloration and losses in physical properties upon sterilization by high energy radiation is comprised of a blend of a propylene polymer with small amounts of a polymeric hindered amine, an alkyl phosphite and a specific hindered phenolic antioxidant as necessary additives.

REFERENCES:
patent: 4000101 (1976-12-01), McNally
patent: 4524165 (1985-06-01), Musser et al.
patent: 4569736 (1986-02-01), Kosegaki et al.
patent: 4578410 (1986-03-01), Takahashi et al.

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