Talc containing polyolefin compositions

Details Talc containing polyolefin compositions Talc containing polyolefin compositions

1977-07-20

1978-03-21

Derrington, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4246, 260 4585B, C08K 334

Patent

active

040803597

ABSTRACT:
A polyolefin composition comprising: (1) about 70 to about 35% by weight of a polyolefin; (2) about 30 to about 65% by weight of a talc containing a metal content of up to about 0.9% by weight; and (3) based on the total amount of (1) and (2), at least 0.02% by weight of a specific alkyl 3,5-di-t-butyl-4-hydroxy-hydrocinnamate and at least 0.03% by weight of a specific dialkyl thiodipropionate or acetate. A sheet formed from this composition is odor free, has good whiteness, and can be fabricated into food packaging containers by a vacuum or pressure forming technique.

REFERENCES:
patent: 3285855 (1966-11-01), Dexter et al.
patent: 3364250 (1968-01-01), Dexter et al.
patent: 3553158 (1971-01-01), Gilfillan

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