C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 161/06 (2006.01) C08L 61/06 (2006.01) C08L 67/00 (2006.01) C09D 167/02 (2006.01)
Patent
CA 2677944
A mixture is disclosed comprising phenolic resins B and saturated polyesters A wherein the polyesters A comprise building blocks derived from aliphatic dicarboxylic acids AA, diprimary dihydric cycloaliphatic alcohols AB, diprimary dihydric linear or branched, non-cyclic aliphatic alcohols AC containing ether links, diprimary linear or branched non-cyclic dihydric alcohols AD being free from ether linkages, aromatic dicarboxylic acids AE, trihydric or higher functional aliphatic alcohols AF, and phosphorous containing acids AG selected from the group consisting of orthophosphoric acid, pyrophosphoric acids, phosphorous acid, and the mono- and dialkyl esters of these, and also a method of use of such mixtures for coating of metal sheets, particularly interior coating of cans.
L'invention concerne un mélange comprenant des résines phénoliques B et des polyesters saturés A. Les polymères A comprennent des motifs structuraux dérivés d'acides dicarboxyliques aliphatiques AA, des alcools cycloaliphatiques dihydriques diprimaires AB, des alcools aliphatiques non cycliques linéaires ou ramifiées, diprimaires aliphatiques AC contenant des liaisons éther, des alcools dihydriques non cycliques diprimaires linéaires ou ramifiés AD sans liaisons éther, des acides dicarboxyliques aromatiques AE, des alcools aliphatiques trihydriques ou fonctionnels supérieurs AF et des acides contenant du phosphore AG pris dans le groupe composé d'acide orthophosphorique, d'acides pyrophosphoriques, d'acide phosphoreux et d'esters mono- et dialkyle de ces acides. L'invention concerne également une méthode d'utilisation de ces mélanges en application sur des feuilles métalliques, en particulier sur la face intérieure de boîtes de conserve.
Brindoepke Gerhard
Etz Oliver
Urbano Edmund
Cytec Surface Specialties Austria Gmbh
Fetherstonhaugh & Co.
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