Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hyd

Details Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hyd Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hyd

1977-01-17

1978-11-14

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

544221, 544302, 544314, 548312, 544231, C07D23372, C08K 534

Patent

active

041255160

ABSTRACT:
Alkylthioalkanoyloxyalkyl and alkylthioalkyl derivatives of N-heterocyclic moieties are stabilizers for organic materials subject to oxidative, thermal and/or light induced deterioration. They are prepared by classical transesterification, oxirane ring opening and addition of mercaptan to olefin reactions. Typical embodiments are tris[2-(3-n-dodecythiopropionyloxy)ethyl isocyanurate] and 3-(3-n-dodecylthio-2-hydroxypropyl)-5,5-dimethylhydantoin. These compounds are used in conjunction with phenolic antioxidants to stabilize organic materials, particularly polyolefins and hydrocarbon compositions, against the deleterious effects of heat and oxygen and against discoloration.

REFERENCES:
patent: 3852302 (1974-12-01), Habermeier et al.
patent: 3904644 (1975-09-01), Jaeger
patent: 3945982 (1976-03-01), Morgan
MacFadyen, Chem. Abst. 1975, vol. 83, No. 132572m.

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