Hydroxyphenylalkyleneyl isocyanurate/pentaerythritol phosphite c

Details Hydroxyphenylalkyleneyl isocyanurate/pentaerythritol phosphite c Hydroxyphenylalkyleneyl isocyanurate/pentaerythritol phosphite c

1975-09-29

1977-05-24

Marquis, Melvin I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252400A, 252403, 252404, 252405, 260 458R, 260936, C08K 534, C08K 552

Patent

active

040254860

ABSTRACT:
Polyolefin polymers subject to degradation on exposure to ultraviolet light are efficiently stabilized using a combination of a hydroxyphenylalkyleneyl isocyanurate compound and a pentaerythritol phosphite compound. The stabilized compositions exhibit exceptional stability to UV light, better than that achieved using known combinations of phenolic and phosphorous-containing stabilizer compounds.

REFERENCES:
patent: 3039993 (1962-06-01), Friedman
patent: 3205250 (1965-09-01), Hechenbleikner
patent: 3293327 (1966-12-01), Hechenbleikner et al.
patent: 3429837 (1969-02-01), Langrish et al.
patent: 3573251 (1971-03-01), Megna et al.
patent: 3637582 (1972-01-01), Gilles
patent: 3763093 (1973-10-01), Kletecka
patent: 3862053 (1975-01-01), Susi
patent: 3867337 (1975-02-01), Brunetti
patent: 3897388 (1975-07-01), Lyons
patent: 3922249 (1975-11-01), Mills

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