Radiation-sterilized shaped articles of olefin polymers

Details Radiation-sterilized shaped articles of olefin polymers Radiation-sterilized shaped articles of olefin polymers

1973-08-24

1976-02-24

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415917, 260 4585E, 260 23H, 21 2, B01j 110, C08f 4558, C08f 110

Patent

active

039403254

ABSTRACT:
Radiation-sterilized shaped articles of olefin polymers containing 0.01 - 0.5% by weight based on the weight of the olefin polymers, of octadecyl 3,5-di-t-butyl-4-hydroxyhydrocinnamate or/and tetrakis [(m methane.
The radiation-sterilized shaped articles are colorless and still have practically acceptable physical properties (melt flow rate and percentage occurrence of cracking), in spite of the fact that they have been irradiated with high energy radiation.

REFERENCES:
patent: 2997454 (1961-08-01), Liistner et al.
patent: 3280069 (1966-10-01), Knapp et al.
patent: 3313771 (1967-04-01), Dressler et al.
patent: 3537967 (1970-11-01), Kelly et al.
patent: 3714122 (1973-01-01), Kline

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