Stain resistant compositions
First Claim
Patent Images
1. A composition comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer wherein the fluoroalkyl phosphate is of Formula 1A or 1B wherein:
- Rf is selected from the group consisting of F(CF2CF2)d(CH2)a—
, F(CF2CF2)dCH2CH2(OCH2CH2)b—
, F(CF2CF2)d—
, F(CF2CF2)dCH═
CH(CH2)c—
, and C8F17SO2N(R)CH2CH2—
, Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms, x is from about 1 to about 2, j is 1 or 0 or a mixture thereof, d is 1 to about 8, or a mixture thereof, X is hydrogen or M, M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion, R3 is an alkylene group having from 1 to about 8 carbon atoms, Z is —
O—
, —
S—
, or —
NH—
, a is from about 2 to about 10, b is from about 3 to about 20, c is from about 2 to about 20, and R is H or an aliphatic group containing 1 to about 4 carbon atoms;
and the fluoroacrylate polymer has the five repeating units 1 to 5 as shown in Formula 2, said repeating units occurring in random distribution, wherein;
each R2 is independently hydrogen or an aliphatic group having from 1 to about 4 carbon atoms, each R3 is independently an alkylene group having from 1 to about 8 carbon atoms, each R4 is independently an aliphatic group having from 1 to about 20 carbon atoms, each R5 is independently a short chain alkylene group having from 1 to about 4 carbon atoms, Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms, ROA is a group of the formula
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Abstract
A composition providing stain resistance to stone, masonry and other surfaces is provided comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer.
81 Citations
13 Claims
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1. A composition comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer wherein the fluoroalkyl phosphate is of Formula 1A or 1B
wherein: -
Rf is selected from the group consisting of F(CF2CF2)d(CH2)a—
,F(CF2CF2)dCH2CH2(OCH2CH2)b—
,F(CF2CF2)d—
,F(CF2CF2)dCH═
CH(CH2)c—
, andC8F17SO2N(R)CH2CH2—
,Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,x is from about 1 to about 2, j is 1 or 0 or a mixture thereof, d is 1 to about 8, or a mixture thereof, X is hydrogen or M, M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion, R3 is an alkylene group having from 1 to about 8 carbon atoms, Z is —
O—
, —
S—
, or —
NH—
,a is from about 2 to about 10, b is from about 3 to about 20, c is from about 2 to about 20, and R is H or an aliphatic group containing 1 to about 4 carbon atoms;
and the fluoroacrylate polymer has the five repeating units 1 to 5 as shown in Formula 2, said repeating units occurring in random distribution, wherein;
each R2 is independently hydrogen or an aliphatic group having from 1 to about 4 carbon atoms, each R3 is independently an alkylene group having from 1 to about 8 carbon atoms, each R4 is independently an aliphatic group having from 1 to about 20 carbon atoms, each R5 is independently a short chain alkylene group having from 1 to about 4 carbon atoms, Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,ROA is a group of the formula - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of improving stain resistance of substrate surfaces comprising application of a composition comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer wherein the fluoroalkyl phosphate is of Formula 1A or 1B
wherein: -
Rf is selected from the group consisting of F(CF2CF2)d(CH2)a—
,F(CF2CF2)dCH2CH2(OCH2CH2)b—
,F(CF2CF2)d—
,F(CF2CF2)dCH═
CH(CH2)c—
, andC8F17SO2N(R)CH2CH2—
,Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,x is from about 1 to about 2, j is 1 or 0 or a mixture thereof, d is 1 to about 8, or a mixture thereof, X is hydrogen or M, M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion, R3 is an alkylene group having from 1 to about 8 carbon atoms, Z is —
O—
, —
S—
, or —
NH—
,a is from about 2 to about 10, b is from about 3 to about 20, c is from about 2 to about 20, and R is H or an aliphatic group containing 1 to about 4 carbon atoms;
and the fluoroacrylate polymer has the five repeating units 1 to 5 as shown in Formula 2, said repeating units occurring in random distribution, wherein; each R2 is independently hydrogen or an aliphatic group having from 1 to about 4 carbon atoms, each R3 is independently an alkylene group having from 1 to about 8 carbon atoms, each R4 is independently an aliphatic group having from 1 to about 20 carbon atoms, each R5 is independently a short chain alkylene group having from 1 to about 4 carbon atoms, Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,ROA is a group of the formula - View Dependent Claims (12)
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13. A substrate having a surface to which has been applied a composition comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer wherein the fluoroalkyl phosphate is of Formula 1A or 1B
wherein: -
Rf is selected from the group consisting of F(CF2CF2)d(CH2)a—
,F(CF2CF2)dCH2CH2(OCH2CH2)b—
,F(CF2CF2)d—
,F(CF2CF2)dCH═
CH(CH2)c—
, andC8F17SO2N(R)CH2CH2—
,Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,x is from about 1 to about 2, j is 1 or 0 or a mixture thereof, d is 1 to about 8, or a mixture thereof, X is hydrogen or M, M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion, R3 is an alkylene group having from 1 to about 8 carbon atoms, Z is —
O—
, —
S—
, or —
NH—
,a is from about 2 to about 10, b is from about 3 to about 20, c is from about 2 to about 20, and R is H or an aliphatic group containing 1 to about 4 carbon atoms;
and the fluoroacrylate polymer has the five repeating units 1 to 5 as shown in Formula 2, said repeating units occurring in random distribution, wherein; each R2 is independently hydrogen or an aliphatic group having from 1 to about 4 carbon atoms, each R3 is independently an alkylene group having from 1 to about 8 carbon atoms, each R4 is independently an aliphatic group having from 1 to about 20 carbon atoms, each R5 is independently a short chain alkylene group having from 1 to about 4 carbon atoms, Rf′
is a fluoroaliphatic group having a linear or branched perfluorocarbon chain having from 2 to 20 carbon atoms,ROA is a group of the formula
-
Specification