THERMOSETTING COMPOSITIONS CONTAINING POLYVINYL OXAZINES,OR OXAZOLINES WITH POLYCARBOXYLIC ACIDS
1,194,195. Coated surfaces. CHEMISCHE WERKE HULS A.G. 22 Sept., 1967 [23 Sept., 1966], No. 43131/67. Heading B2K. [Also in Division C3] Articles are coated with a solution of a curable mixture and heated to 100 to 200C, the heat curable mixture comprising (a) a polymer obtained by radical polymeri...
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Zusammenfassung: | 1,194,195. Coated surfaces. CHEMISCHE WERKE HULS A.G. 22 Sept., 1967 [23 Sept., 1966], No. 43131/67. Heading B2K. [Also in Division C3] Articles are coated with a solution of a curable mixture and heated to 100 to 200C, the heat curable mixture comprising (a) a polymer obtained by radical polymerisation or copolymerisation of a 2-alkenyl-#2-oxazoline or a 2-alkenyl-5, 6-dihydro-4H-1,3-oxazine and (b) a compound or polymer containing at least two carboxylic acid groups. Suitable compounds (b) include acids such as adipic, trimellitic and decane dicarboxylic, copolymers of acrylic acid or methacrylic acid with e.g. acrylates or styrene and polyesters containing free carboxyl groups e.g. a trimellitic anhydride/ phthalic anhydride/butane-diol-1,3 polyester. Sheets of iron and of glass are coated in the Examples, and TiO 2 is included in the mixtures. |
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