Coating compositions stabilized against light, heat and oxygen

Details Coating compositions stabilized against light, heat and oxygen Coating compositions stabilized against light, heat and oxygen

1992-02-28

1994-06-21

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524 95, 524 99, 524100, 524102, 524103, 524115, C08K 53492, C08K 53415, C08K 53435, C08K 535

Patent

active

053228685

ABSTRACT:
o-Hydroxyphenyl-s-triazines of formula I ##STR1## wherein n is 1 or 2 and R.sub.1 to R.sub.7 are as defined in claim 7, are good light stabilizers for coating compositions which contain a basic curing catalyst. In contradistinction to other UV absorbers, they do not cause discolorations in the presence of such catalysts.

REFERENCES:
patent: 4028300 (1977-06-01), Wake et al.
patent: 4444974 (1984-04-01), Takase et al.
patent: 4619956 (1986-10-01), Susi
patent: 4772672 (1988-09-01), Isozaki et al.
patent: 4826978 (1989-05-01), Migdal et al.
patent: 5064883 (1991-11-01), Behrens et al.
patent: 5112890 (1992-05-01), Behrens et al.
Light & Heat Stabilizer for Coatings by Schirmann and Dexter in p. 256 of "Handbook of Coatings Additives" by Marcel Dekker, Inc. 1987.
Handbook of Coatings Additives, Marcel Dekker, New York p. 485.
Proc. XIII Inter. Conf. Org. Coat. Sc. Tech., (1987), p. 252.
H. Kittel (Ed), Lehrbuch der Lacke & Beschichtungen, vol. 1, Part 1 pp. 380, 382 & Part 2 pp. 635-636.

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