| 摘要 |
Coating compositions comprise a coating base, a polyoxyalkylene siloxane additive and a fluorochemical wherein the polyoxyalkylene siloxane is of Formulae 1A, 1B, 1C, or 2: <?in-line-formulae description="In-line Formulae" end="lead"?>(R<SUP>2</SUP>)<SUB>3</SUB>SiO[Si(R<SUP>2</SUP>)<SUB>2</SUB>O]<SUB>y</SUB>[Si(R<SUP>2</SUP>)(R<SUP>1</SUP>)O]<SUB>x</SUB>[Si(R<SUP>2</SUP>)<SUB>2</SUB>O]<SUB>z</SUB>Si(R<SUP>2</SUP>)<SUB>3</SUB>Formula 1A<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>(R<SUP>2</SUP>)<SUB>3</SUB>SiO[Si(R<SUP>2</SUP>)<SUB>2</SUB>O]<SUB>x</SUB>[Si(R<SUP>2</SUP>)<SUB>2</SUB>R<SUP>1</SUP>Formula 1B<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>R<SUP>1</SUP>(R<SUP>2</SUP>)<SUB>2</SUB>SiO[Si(R<SUP>2</SUP>)<SUB>2</SUB>O]<SUB>x</SUB>[Si(R<SUP>2</SUP>)<SUB>2</SUB>O]Si(R<SUP>2</SUP>)<SUB>2</SUB>R<SUP>1</SUP>Formula 1C<?in-line-formulae description="In-line Formulae" end="tail"?> wherein each R<SUP>2 </SUP>is independently H, alkyl, or aryl; each R<SUP>1 </SUP>is a polyoxyalkylene group having the formula 3 as follows: <?in-line-formulae description="In-line Formulae" end="lead"?>-C<SUB>n</SUB>R<SUP>4</SUP><SUB>p</SUB>H<SUB>2n-p</SUB>QC<SUB>m</SUB>R<SUP>5</SUP><SUB>p</SUB>H<SUB>2m-p</SUB>OZR<SUP>3</SUP>Formula 3<?in-line-formulae description="In-line Formulae" end="tail"?> wherein each R<SUP>4 </SUP>and R<SUP>5 </SUP>is independently H, alkyl, or aryl; Q is C<SUB>n</SUB>HR<SUP>4</SUP>, aryl, CH<SUB>2</SUB>CH(OR<SUP>4</SUP>), CH<SUB>2</SUB>(CH<SUB>2</SUB>OR<SUP>4</SUP>), S, O, SO, SO<SUB>2</SUB>, SO<SUB>2</SUB>NR<SUP>4</SUP>, OC(O), OC(NR<SUP>4</SUP>), NHC(X)NH, or OC(X)NH or triazole; Z is [C<SUB>2</SUB>H<SUB>4</SUB>O]<SUB>a </SUB>and [C<SUB>3</SUB>H<SUB>6</SUB>O]<SUB>b </SUB>in block or random order; X is O or S; m and n are each independently an integer of 2 to 8; a is an integer of 0 to about 30; b is an integer of 0 to about 20; provided that a+b is from 1 to about 50; each R<SUP>3 </SUP>is independently H, acyl, CH<SUB>3</SUB>, or a linear or branched alkyl or aryl group having 1 to about 20 carbon atoms; w is an integer of from 1 to 3; x is an integer of from 1 to about 20; y is an integer of from 0 to about 20; and z is an integer of from 0 to about 10; and the fluorochemical is selected from the group consisting of a perfluoroalkyl ester, fluorinated urethane, fluoroalkyl phosphate or salt thereof, fluoroalkyl phosphate ester or salt thereof, a mixture of a fluoroalkyl phosphate and a glycol ester, and fluoroalkylpolyoxyethylene.
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