Stabilizer for synthetic resins

Details Stabilizer for synthetic resins Stabilizer for synthetic resins

1985-03-15

1986-03-18

Terapane, John F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252406, 560 75, 524108, 524302, C09K 1514, C08K 511

Patent

active

045767343

ABSTRACT:
A stabilizer for synthetic resins containing as an effective component a mixture comprising a phenol type compound (I) represented by the formula (I), ##STR1## wherein R.sub.1 represents a C.sub.1 -C.sub.3 alkyl group, and at least one sulfur type compound (II) selected from the group consisting of compounds represented by the formula (II-1), ##STR2## wherein R.sub.2 represents a C.sub.4 -C.sub.20 alkyl group, and compounds represented by the formula (II-2), ##STR3## wherein R.sub.3 represents a C.sub.3 -C.sub.18 alkyl group, and R.sub.4 and R.sub.5 independently represent a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group, the weight ratio of phenol type compound (I) to sulfur type one (II) being 1 to 0.5-15.

REFERENCES:
patent: 3347871 (1967-10-01), Harding
patent: 3388098 (1968-06-01), Harding
patent: 3644482 (1972-02-01), Dexter et al.
patent: 3758549 (1973-09-01), Dexter et al.
patent: 3966675 (1976-06-01), Schurdak et al.
patent: 4267358 (1981-05-01), Hechenbleikner et al.
patent: 4405737 (1983-09-01), Hirai et al.
patent: 4501838 (1985-02-01), Hechenbleikner et al.
Chemical Abstract, 101:8213w "Stabilizers for Plastics" JP 59/25,826, (1984) pp. 38-39.

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