WATER- AND OIL-REPELLENT FLUOROACRYLATES
First Claim
Patent Images
1. A fluoroacrylate represented by the following general formula:
-
CnF2n+1—
X—
OC(O)NH—
A—
HNC(O)O—
(CpH2p)(O)COC(R′
)═
CH2 wherein;
n=1 to 5, R=H or an alkyl group of 1 to 4 carbon atoms, m=2 to 8, Rf=CnF2n+1, y=0 to 6, q=1 to 8, A=an unbranched symmetric alkylene group, arylene group, or aralkylene group, p=2 to 30, and R′
=H, CH3, or F.
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Abstract
Fluoroacrylates comprise the reaction product of: (a) at least one fluorochemical alcohol represented by the formula:
CnF2n+1—X—OH wherein:
n=1 to 4,
- Rf=CnF2n+1, y=0 to 6, and q=1 to 8; (b) at least one unbranched symmetric diusocyanate; and (c) at least one hydroxy-terminated alkyl (meth)acrylate or 2-fluoro acrylate monomer having 2 to about 30 carbon atoms in its alkylene portion.
65 Citations
21 Claims
-
1. A fluoroacrylate represented by the following general formula:
-
CnF2n+1—
X—
OC(O)NH—
A—
HNC(O)O—
(CpH2p)(O)COC(R′
)═
CH2wherein;
n=1 to 5, R=H or an alkyl group of 1 to 4 carbon atoms, m=2 to 8, Rf=CnF2n+1, y=0 to 6, q=1 to 8, A=an unbranched symmetric alkylene group, arylene group, or aralkylene group, p=2 to 30, and R′
=H, CH3, or F.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21)
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5. The fluoroacrylate of claim 4 wherein said R is CH3.
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6. The fluoroacrylate of claim 5 wherein said m is 2 to 4.
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7. The fluoroacrylate of claim 1 wherein said A is selected from the group consisting of —
- C6H12—
,
- C6H12—
-
8. The fluoroacrylate of claim 7 wherein said A is
-
9. The fluoroacrylate of claim 1 wherein said p is 2 to 12.
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10. The fluoroacrylate of claim 9 wherein said p is selected from the group consisting of 2, 4, 6, 10, and 12.
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11. The fluoroacrylate of claim 10 wherein said p is 2.
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12. The fluoroacrylate of claim 1 wherein said R′
- is H.
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14. A fluorinated acrylic polymer comprising repeating units of the fluoroacrylate of claim 1.
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15. The fluorinated acrylic polymer of claim 14 further comprising repeating units derived from one or more nonfunctional comonomers.
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16. The fluorinated acrylic polymer of claim 14 further comprising repeating units derived from one or more functional comonomers.
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17. A coating composition comprising a solvent and the fluorinated acrylic polymer of claim 14.
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18. An article comprising a substrate having one or more surfaces coated with the coating composition of claim 17.
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19. The article of claim 18 wherein said substrate is a hard substrate or a fibrous substrate.
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20. A release coating composition comprising a solvent and the fluorinated acrylic polymer of claim 14.
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21. An article comprising a substrate having one or more surfaces coated with the release coating composition of claim 20.
-
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13. A fluorinated isocyanate represented by the following general formula:
CnF2n+1—
X—
OC(O)NH—
A—
NCOwherein;
n=1 to 5, R=H or an alkyl group of 1 to 4 carbon atoms, m=2 to 8, Rf=CnF2n+1, y=0 to 6, q=1 to 8, and A=an unbranched symmetric alkylene group, arylene group, or aralkylene group.
Specification