Hydrocarbon extenders for surface effect compositions
View Patent ↗A polymer extender composition for use with fluorochemical repellents, said composition comprising monomers copolymerized in the following percentages by weight: (a) from about 60% to about 94% of a monomer, or mixture of monomers, of the formula I: [CH 3 —(CH 2 ) p ][CH 3 (CH 2 ) n ]CHCH 2 —OC(O)—C(R)═CH 2 , and (I) (b) from about 5% to about 20% of a monomer, or mixture of monomers, of the formula II: H—(OCH 2 CH 2 ) m —O—C(O)—C(R)═CH 2 (II) wherein each R is independently H or CH 3 ; n is 1 to 10; p is 1 to 20 and m is 2 to 10 is disclosed.
1. A polymer extender composition comprising monomers copolymerized in the following percentages by weight:
(a) from about 60% to about 94% of a monomer, or mixture of monomers, of the formula I:
[CH 3 —(CH 2 ) p ][CH 3 (CH 2 ) n ]CHCH 2 —OC(O)—C(R)═CH 2 (I), and
(b) from about 5% to about 20% of a monomer, or mixture of monomers, of the formula II:
H—(OCH 2 CH 2 ) m —O—C(O)—C(R)═CH 2 (II)
(c) from about 0% to about 3% of a monomer, or mixture of monomers, of the formula III:
HO—CH 2 —NH—C(O)—C(R)═CH 2 (III)
(d) from about 0% to about 20% of a monomer, or mixture of monomers, of formula IV:
R 1 —OC(O)—C(R)═CH 2 (IV)
(e) from about 0% to about 2% of ethylene dimethacrylate, and
(f) from about 0% to about 10% of a monomer, or mixture of monomers, of formula (V):
R f —CH 2 CH 2 —OC(O)—C(R)═CH 2 (V)
wherein
each R is independently H or CH 3 ;
R 1 is an alkyl chain from 1 to about 18 carbon atoms;
n is 1 to about 10;
p is 1 to about 20 and
m is 2 to about 10, and
R f is a straight or branched-chain perfluoroalkyl group of from 2 to about 20 carbon atoms, or a mixture thereof.
2. The composition of claim 1 wherein monomer (a) is 2-ethylhexyl(meth)acrylate.
3. The composition of claim 1 wherein m in monomer (b) is between about 5 and about 10.
4. The composition of claim 1 wherein monomer (c) is N-methylolacrylamide.
5. The composition of claim 1 wherein monomer (d) is methyl methacrylate.
6. The composition of claim 1 wherein for monomer (f), R f has the formula: CF 3 CF 2 (CF 2 ) x , wherein x is 6 to 18, or a mixture thereof.
7. The composition of claim 6 wherein x is a mixture of 6, 8, 10, 12, 14, 16, and 18 in a mixture in the respective relative amounts of about 33%, 24%, 12%, 6%, 2%, 1% and 0.5%.
8. The composition of claim 1 as an aqueous dispersion.
9. The composition of claim 1 further comprising an agent which, when applied to a substrate, provides a surface effect.
10. The composition of claim 9 wherein the surface effect is no iron, easy to iron, shrinkage control, wrinkle free, permanent press, moisture control, softness, strength, anti-slip, anti-static, anti-snag, anti-pill, stain repellency, stain release, soil repellency, soil release, water repellency, oil repellency, odor control, antimicrobial, sun protection, and similar effects.
11. The composition of claim 9 wherein the agent is a fluorinated polymer.
12. The composition of claim 11 wherein the fluorine content is from about 1.5 to about 6.6% by weight.
13. The composition of claim 11 wherein the ratio of extender composition to fluorinated polymer is from about 1:10 to about 6:1.
14. The composition of claim 11 wherein the fluorinated polymer is a fluorine-containing polyurethane or poly(meth)acrylate, or mixture thereof.
15. The composition of claim 1 or 11 further comprising a blocked isocyanate.
16. The composition of claim 1 or 11 further comprising at least one additional extender.
17. The composition of claim 9 further comprising an additive selected from the group consisting of a surfactant, emulsifier, pH adjuster, cross linker, wetting agent, softener, and wax extender.
18. A method of treating a substrate comprising contacting the substrate with a composition comprising i) an agent which provides a surface effect and ii) a polymer extender composition comprising monomers copolymerized in the following percentages by weight:
(a) from about 60% to about 94% of a monomer, or mixture of monomers, of the formula I:
[CH 3 —(CH 2 ) p ][CH 3 (CH 2 ) n ]CHCH 2 —OC(O)—C(R)═CH 2 (I), and
(b) from about 5% to about 20% of a monomer, or mixture of monomers, of the formula II:
H—(OCH 2 CH 2 ) m —O—C(O)—C(R)═CH 2 (II)
(c) from about 0% to about 3% of a monomer, or mixture of monomers, of the formula III:
HO—CH 2 —NH—C(O)—C(R)═CH 2 (III)
(d) from about 0% to about 20% of a monomer, or mixture of monomers, of formula IV:
R 1 —OC(O)—C(R)═CH 2 (IV)
(e) from about 0% to about 2% of ethylene dimethacrylate, and
(f) from about 0% to about 10% of a monomer, or mixture of monomers, of formula (V):
R f —CH 2 CH 2 —OC(O)—C(R)═CH 2 (V)
wherein
each R is independently H or CH 3 ;
R 1 is an alkyl chain from 1 to about 18 carbon atoms;
n is 1 to about 10;
p is 1 to about 20 and
m is 2 to about 10, and
R f is a straight or branched-chain perfluoroalkyl group of from 2 to about 20 carbon atoms, or a mixture thereof.
19. The method of claim 18 wherein the surface effect is no iron, easy to iron, shrinkage control, wrinkle free, permanent press, moisture control, softness, strength, anti-slip, anti-static, anti-snag, anti-pill, stain repellency, stain release, soil repellency, soil release, water repellency, oil repellency, odor control, antimicrobial, sun protection, and similar effects.
20. The method of claim 18 wherein the agent is a fluorinated polymer.
21. The method of claim 20 wherein the ratio of the extender composition to the fluorinated polymer is from about 1:10 to about 6:1.
22. The method of claim 18 wherein the composition further comprises a blocked isocyanate or at least one additional extender.
23. The method of claim 18 wherein the composition further comprises an additive selected from the group consisting of a surfactant, emulsifier, pH adjuster, cross linker, wetting agent, softener, and wax extender.
24. The method of claim 18 wherein the substrate is a fiber, textile, fabric, fabric blend, paper, nonwoven, leather or combination thereof.