C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/18 (2006.01) C08F 218/04 (2006.01) C08G 18/62 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01) C09D 5/03 (2006.01) C09D 127/12 (2006.01)
Patent
CA 2057575
HOE 90? 921 Abstract Fluorine-containing powder coating A fluorine-containing powder coating is described, comprising a) a crosslinkable, fluorine-containing copolymer, composed of a vinyl ester of a highly branched carboxylic acid, whole acyl radical has 9 carbon atoms and is composed of isomers having two quater- nary carbon atoms, to which 0 to 80 mol% of isomers which contain one quaternary carbon atom together with at least one tertiary carbon atom in the acyl radical are admixed, of a vinyl monomer containing OH groups, and of a fluoroolefin of the general formula CF2=CFX, in which X = F, a perfluoroalkyl radical having 1 to 8 carbon atoms or C1, and b) 20 to 60% by weight of a crosslinking agent suitable for powder coating formulations. Preferably, the latter is a blocked polyisocyanate.
Merten Gerhard
Schlipf Michael
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
Merten Gerhard
Schlipf Michael
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