Synthetic polymer compositions stabilized against discoloration

Details Synthetic polymer compositions stabilized against discoloration Synthetic polymer compositions stabilized against discoloration

1976-05-20

1978-09-26

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

521117, 521 88, C08K 513

Patent

active

041169328

ABSTRACT:
The invention relates to a synthetic polymer composition stabilized against light, heat and atmospheric influences comprising a polymer and from 0.01 to 10% by weight based on the quantity of the synthetic polymer, of a mixture of .alpha.,.alpha.'-bis-(2-hydroxy-3,5-dialkylphenyl)-m-diisopropyl benzene and .alpha.,.alpha.'-bis-(2-hydroxy-3,5-dialkylphenyl)-p-diisopropyl benzene, the mixture containing at least 20% by weight of the m-compound. The stabilized synthetic polymer compositions are used in various forms, e.g. in the form of fibres, filaments, yarns, sheetings, films, foils, latex, foam or coatings.

REFERENCES:
patent: 3190852 (1965-06-01), Doyle
patent: 3778409 (1973-12-01), Oertel et al.
patent: 3799990 (1974-03-01), Nast et al.
Belgian Derwent Report No. 83A/B pp. C66 and C67, published 6-1-61, item 604,516.

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