Hydroxyaryl hydantoins and their use as stabilizers

Details Hydroxyaryl hydantoins and their use as stabilizers Hydroxyaryl hydantoins and their use as stabilizers

1976-03-08

1978-01-03

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106176, 260 75N, 548307, C07D23378, C08K 534

Patent

active

040666166

ABSTRACT:
The new N-[3-(3-hydroxyaryl)-2-hydroxypropyl]-imides may be prepared by reacting 3-(3-hydroxyaryl)-propenoxides with cyclic imides. These hydroxy compounds as well as their esters with carboxylic acids are highly effective in the stabilization of polymers, preferably of polyolefins, against thermal-oxydative attack. The compounds themselves exhibit a good stability against discoloration by radiation or gas fading.

REFERENCES:
patent: 3734926 (1973-05-01), Dexter
patent: 3746721 (1973-07-01), Stephen
patent: 3882137 (1975-05-01), Habermeier et al.
patent: 3919234 (1975-11-01), Ramey et al.
patent: 3939175 (1976-02-01), Schmidt et al.
patent: 4001299 (1977-01-01), Dexter et al.

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