C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/195, 400/502
C08G 18/42 (2006.01) C08G 18/78 (2006.01) C08G 18/80 (2006.01) C09D 175/06 (2006.01)
Patent
CA 1261995
- 21 - ABSTRACT Lacquer for coatings protecting against stone chipping, containing pigments, fillers, binders con- sisting of a mixture of film forming, hydroxyl-containing polyesters and aliphatic and/or cycloaliphatic poly- isocyanates which are blocked with acetoacetic acid alkyl esters and have an average functionality of at least 2.5, organic solvents and conventional lacquer additives, which lacquer contains certain polyesters having an average hydroxyl functionality of from 2.5 to 6 and a hydroxyl content of from 2 to 6% by weight and containing from 15 to 50°6 by weight (aliphatic content) of aliphatic groups which have at least 4 to 20 carbon atoms in an unbranched chain, the proportion by weight of this ali- phatic group content in the polyester to the benzene ring content in the polyester, calculated as the sum of the weight of carbon atoms of the benzene rings and of the hydrogen atoms attached to these carbon atoms (aromatic content) is from 1 to 2.5, and a process for its prepara- tion and its use.
465361
Heinrich Siegfried
Heitzmann Rudolf
Shafik Ahmed
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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