Phenolic ester inhibitor

Details Phenolic ester inhibitor Phenolic ester inhibitor

1980-03-13

1981-05-12

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 59, 260 4585B, C07C 6988

Patent

active

042673585

ABSTRACT:
Phenolic esters wherein the phenolic groups are hindered by at least one ortho substituent. The esters are effective to impart thermal stability to olefin polymers. Their structure is as follows: ##STR1## where R is alkyl or cycloalkyl of 3-8 carbon atoms, R.sup.1 is alkyl of 1-6 carbon atoms and n is 1-2.

REFERENCES:
patent: 1708902 (1929-04-01), Schalch et al.
patent: 3247240 (1966-04-01), Meier
patent: 3649667 (1972-03-01), Song et al.
patent: 3944594 (1976-03-01), Kleiner
patent: 4085132 (1978-04-01), Park
Chem. Abst., vol. 81, 50593p, 1974.

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