Stabilization of polyolefins against degradative deterioration a

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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252406, 260 458NT, 560 15, 560147, C08K 536

Patent

active

040803643

ABSTRACT:
Stabilizer mixtures that are capable of enhancing the resistance of polyolefins to degradation as a result of exposure to light and air, particularly at elevated temperatures, are obtained by reacting an .alpha.-olefin with an ester of a mercaptocarboxylic acid and a polyhydric alcohol, forming a reaction product of unknown structure containing thioether groups and carboxylic acid ester groups.

REFERENCES:
patent: 3144422 (1964-08-01), Homberg
patent: 3305580 (1967-02-01), Homberg et al.
patent: 3629194 (1971-12-01), Onishi et al.
patent: 3758549 (1973-09-01), Dexter et al.

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