C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/06 (2006.01) C08G 18/08 (2006.01) C08G 18/42 (2006.01) C08G 18/80 (2006.01)
Patent
CA 2232035
A binder (BM) for one-component lacquer systems contains a polyurethane alkyd resin component (A) made of: (a) 5 to 50 % by weight of a mixture of (a1) 90 to 30 parts by weight of an unsaturated C6 to C30 fatty acid with at least two non-conjugated double bonds, and (a2) 10 to 70 parts by weight of an unsaturated C6 to C30 fatty acid with at least two conjugated double bonds, as esterified polymeric side chains of the polyurethane alkyd resin component (A); and (b) 95 to 50 % by weight polyurethane units as polymeric main chains of the polyurethane alkyd resin component (A).
L'invention concerne un liant (BM) pour des systèmes de vernis à un composant renfermant un composant polyuréthanne-résine alkyde (A) comprenant (a) 5 à 50 % en poids d'un mélange composé de (a1) 90 à 30 parties en poids d'un acide gras insaturé en C6 à C30, ayant au moins deux doubles liaisons non conjuguées, et (a2) 10 à 70 parties en poids d'un acide gras insaturé en C6 à C30, ayant au moins deux doubles liaisons conjuguées, comme chaînes latérales polymères estérifées du composant polyuréthanne-résine alkyde (A), et (b) 95 à 50 % en poids de motifs polyuréthanne, comme chaînes principales polymères du composant polyuréthanne-résine alkyde (A).
Grapatin Dittmar
Rink Heinz-Peter
Wilke Guido
Basf Coatings Aktiengesellschaft
Fetherstonhaugh & Co.
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