Air-cross-linkable polyacrylate lacquer binders containing chemi

Details Air-cross-linkable polyacrylate lacquer binders containing chemi Air-cross-linkable polyacrylate lacquer binders containing chemi

1979-04-30

1981-05-12

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 18, 106 1835, 260 23EP, C09D 328, C09D 380, C09D 514

Patent

active

042670829

ABSTRACT:
An air-cross-linkable lacquer binder comprising a copolymer of copolymerized units of from 10 to 40% by weight of glycidyl acrylate, glycidyl methacrylate or a mixture thereof, and 70 to 10% by weight of at least one other vinyl monomer which has been reacted with (based in each case on the quantity of lacquer binder) of from 0.01 to 30% by weight of at least one wood preservative having at least one glycidyl-reactive hydrogen atom and from 20 to 60% by weight of at least one air-drying natural or isomerized fatty acid and from 0 to 10% by weight of a dicarboxylic acid anhydride, said lacquer binder having an average molecular weight M.sub.n of from 1500 to 15,000 and an acid number of from 3 to 15. One special advantage of the lacquer binder according to the invention is that the wood preservatives are chemically fixed to the polymer molecule so that their release is retarded and the protective action is prolonged. Another advantage is the possibility to prepare well-drying wood preservative systems with lacquers which have not been treated with drying agents.

REFERENCES:
patent: 2789060 (1957-04-01), Spangenberg et al.
patent: 3736280 (1973-05-01), Grivas
patent: 3847851 (1974-11-01), Tugukuni et al.
patent: 4039494 (1977-08-01), Drisko
patent: 4129537 (1978-12-01), Dhein et al.
patent: 4146519 (1979-03-01), Dhein et al.

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