Radiation-stable polyolefin compositions containing aromatic ket

Details Radiation-stable polyolefin compositions containing aromatic ket Radiation-stable polyolefin compositions containing aromatic ket

1983-02-28

1985-05-07

Hoke, V. P.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

524347, 524359, C08K 513, C08K 507

Patent

active

045156662

ABSTRACT:
An olefinic polymer composition is provided which comprises an olefinic polymer selected from homopolymers and copolymers made from aliphatic, ethylenically unsaturated monomers containing from 2 to about 10 carbon atoms; from about 100 to about 3,000 parts per million based on the weight of the total composition of a hindered phenolic stabilizer; and from about 100 to about 10,000 ppm based on the weight of the composition of a stabilizer selected from compounds of the formula: ##STR1## wherein M is 0 or 1; R.sub.1 and R.sub.2 are each independently selected from hydrogen or an alkyl group containing from 1 to about 20 carbon atoms.

REFERENCES:
patent: 3537967 (1980-07-01), Kelly et al.
patent: 3846395 (1974-11-01), Harper et al.
patent: 3888804 (1975-06-01), Swanholm et al.
patent: 3940325 (1976-03-01), Hirao
patent: 3992349 (1976-11-01), Sparks
patent: 4431497 (1984-02-01), Rekers

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