Phenolic ester synthetic resin stabilizers

Details Phenolic ester synthetic resin stabilizers Phenolic ester synthetic resin stabilizers

1977-10-31

1979-10-16

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252404, 260 4585B, 560 75, 560152, C08K 536, C07C 6504

Patent

active

041712986

ABSTRACT:
New ortho-alkylhydroxybenzylpropanediol compounds of carboxylic acids, aldehydes, ketones, phosphites, phosphates, and phosphonates are disclosed. The propanediol compounds have in the molecule from one to four preferably from one to three ortho-alkylhydroxybenzylpropanediol units, each of which carries one to two ortho-alkylhydroxybenzyl groups, and are highly effective stabilizers for a variety of synthetic resins.
Stabilizer compositions comprising a orthoalkylhydroxybenzylpropanediol compound and a known polymer stabilizer, as well as synthetic resins stabilized with such stabilizer compositions, are also disclosed.

REFERENCES:
patent: 3092653 (1963-06-01), Wilkinson et al.
patent: 3637809 (1972-01-01), Kleiner
patent: 3649667 (1972-03-01), Song et al.
patent: 3721704 (1973-03-01), Dexter
patent: 3789064 (1974-01-01), Hechenbleikner et al.
patent: 3856846 (1974-12-01), Eggensperger et al.
patent: 3987086 (1976-10-01), Dexter et al.
patent: 4058502 (1977-11-01), Dexter et al.

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