Method for light stabilization of two-layer uni-lacquer coatings

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 4575M, 260 458N, 260 4575W, 428416, 4284258, 428458, 428450, C08K 534, C08K 536, B32B 1508

Patent

active

043149332

ABSTRACT:
The use of 2,2,6,6-tetraalkylpiperidine compounds or their acid addition salts or complexes with metal compounds, if desired together with further stabilizers, for stabilizing two-layer uni-lacquer coatings based on thermocrosslinkable acrylic, alkyd or polyester resins, which if desired can be crosslinked with melamine/formaldehyde resins, epoxide resins or polyisocyanates, against the action of light, humidity and oxygen. The stabilization indicated in this specification is particularly suitable for lacquer coatings on cars.

REFERENCES:
patent: 3640928 (1972-02-01), Murayama et al.
patent: 3992390 (1976-11-01), Holt et al.
patent: 3998784 (1976-12-01), Cook
Kokai No. 52-51427, 4.25.1977, Appl. No. 50-127463, Japan Abstract.
Kokai No. 52-22029, 2.19.1977, Appl. No. 50-97474, Japan Abstract.

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