Radiation-stable polyolefin compositions

Details Radiation-stable polyolefin compositions Radiation-stable polyolefin compositions

1981-10-30

1984-02-14

Hoke, Veronica P.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

524299, 524369, 524384, C08K 510, C08K 506, C08K 505, C08F 800

Patent

active

044314973

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 and from about 100 to about 10,000 ppm of a stabilizer selected from benzhydrol or benzhydrol derivative compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each independently selected from an aromatic group having from 6 to about 26 carbon atoms, and R.sub.3 is selected from hydrogen, an alkyl group having from 1 to about 20 carbon atoms, or an acyl group having from about 2 to 20 carbon atoms.

REFERENCES:
patent: 2906727 (1959-09-01), Gordon
patent: 3537967 (1970-11-01), Kelley et al.
patent: 3940325 (1976-02-01), Hirao
patent: 4036719 (1977-07-01), Lyons
patent: 4101720 (1978-07-01), Taylor et al.
N. S. Allen & K. O. Fatinikun "Thermal and Photo-Sensitized Oxidation of Polypropylene: Influence of Hindered Piperidine Compounds"-Polymer Degradation and Stability 3 (1980-1981) 243-252, Applied Science Publishers Ltd. England.

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