| 摘要 |
<p>A coating composition comprising an alkyd or urethane resin and a polyfluorourethane of Formula II (Rf-X-O-CO-NH)m-A-(NH-CO-O-R)(p-m) II wherein Rf is a C2-C20 linear or branched fluorocarbon, X is -(CH2)n-, -(CH2)gSOz(CH2)t-, or -SO2N(R1)CH2CH2-wherein n is 1 to about 20; g and t are each independently 1 to about 3; z is 0, 1 or 2; and R1 is an alkyl of 1 to about 4 carbon atoms; A is an aliphatic, cycloaliphatic, aromatic, or heterocyclic radical; R is a C3-C20 linear, branched, or cyclic aliphatic group containing at least one ethylenically unsaturated double bond and optionally at least one phenyl or phenyl substituted with C1-C6 alkyl or halogen; p is 2 to 3; and m is from about 0.8 to about 1.25 when p is 2, and m is from about 1 to about (p-1) when p is greater than 2 is disclosed.</p> |
