Articles comprising a fluorochemical surface layer and related methods

• US 20060148350A1
• Filed: 12/29/2005
• Published: 07/06/2006
• Est. Priority Date: 12/30/2004
• Status: Active Grant

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Jing, Naiyong, Qiu, Zai-Ming, Chang, Cheng-Chung
• Granted Patent: US 9,200,175 B2
• Time in Patent Office: Days
• US Class Current: 442/94
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: C08L 2205/02 containing two or more polymers of the same C08L -group
• CPC Class Codes: C08L 2312/00 Crosslinking
• CPC Class Codes: C08L 2666/20 Macromolecular compounds having nitrogen in the main chain according to C08L75/00 - C08L79/00; Derivatives thereof
• CPC Class Codes: C08L 39/00 Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
• CPC Class Codes: C09D 133/14 of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
• CPC Class Codes: C09D 133/16 Homopolymers or copolymers of esters containing halogen atoms
• CPC Class Codes: Y10T 442/20 Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
• CPC Class Codes: Y10T 442/2279 Coating or impregnation improves soil repellency, soil release, or anti- soil redeposition qualities of fabric
• CPC Class Codes: Y10T 442/2287 Fluorocarbon containing
• CPC Class Codes: Y10T 442/2615 Coating or impregnation is resistant to penetration by solid implements
• CPC Class Codes: Y10T 442/273 Coating or impregnation provides wear or abrasion resistance
• CPC Class Codes: Y10T 442/2738 Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith

Abstract

The invention features an article comprising a reactive substrate that forms a covalent or hydrogen bond with a surface layer. The surface layer of the article comprises the reaction product of at least one monoterminated (per)fluoropolyether (meth)acryl compound and at least one monomer or oligomer having at least two (meth)acryl groups.

Claims

1. An article comprising

a reactive substrate and

a surface layer comprising the reaction product of at least one monoterminated (per)fluoropolyether (meth)acryl compound and at least one monomer or oligomer having at least two (meth)acryl groups;

wherein the reactive substrate forms a covalent or hydrogen bond with the surface layer.

2. The article of claim 1, wherein the substrate has reactive groups that interact with the surface layer to aid in adhesion.

3. The article of claim 1, wherein the substrate is selected from the group consisting of vinyl, wood, textiles, fabrics, carpets, leather, paper, stone, metals, ceramics, masonry, paint, plastics and thermoplastic resins.

4. The article of claim 1, wherein the fluoropolyether (meth)acryl compound comprises at least one terminal F(CF(CF₃)CF₂O)xCF(CF₃)-group and at least two meth(acryl) groups, wherein x averages from 3 to 15.

5. The article of claim 1, wherein the monomer or oligomer comprises tripropylene glycol diacrylate.

6. The article of claim 1, wherein the surface layer provides the article with a low surface energy.

7. A method of protecting a substrate surface, the method comprising the steps of:

providing a reactive substrate,

coating the substrate with a coating composition comprising at least one monoterminated (per)fluoropolyether (meth)acryl compound and at least one monomer or oligomer having at least two (meth)acryl groups,

polymerizing the coating composition to provide a protective surface layer on the article,

wherein the reactive substrate forms a covalent or hydrogen bond with the surface layer.

8. The method of claim 7, wherein the substrate has reactive groups that interact with the surface layer to aid in adhesion.

9. The method of claim 7, wherein the substrate is selected from the group consisting of vinyl, wood, textiles, fabrics, carpets, leather, paper, stone, metals, ceramics, masonry, paint, plastics and thermoplastic resins.

10. The method of claim 7, wherein the fluoropolyether (meth)acryl compound comprises at least one terminal F(CF(CF₃)CF₂O)xCF(CF3)-group and at least two meth(acryl) groups, wherein x averages from 3 to 15.

11. The method of claim 7, wherein the monomer or oligomer comprises tripropylene glycol diacrylate.

12. The method of claim 7, wherein the surface layer provides the article with a low surface energy.

13. An article comprising

a porous substrate and

a surface layer comprising the reaction product of at least one monoterminated (per)fluoropolyether (meth)acryl compound and at least one monomer or oligomer having at least two (meth)acryl groups;

wherein the surface layer penetrates pores of the substrate.

14. The article of claim 13, wherein the substrate is selected from the group consisting of vinyl, wood, textiles, fabrics, carpets, leather, paper, stone, metals, ceramics, masonry, paint, plastics and thermoplastic resins.

15. The article of claim 13, wherein the fluoropolyether (meth)acryl compound comprises at least one terminal F(CF(CF₃)CF₂O)xCF(CF₃)-group and at least two meth(acryl) groups, wherein x averages from 3 to 15.

16. The article of claim 13, wherein the monomer or oligomer comprises tripropylene glycol diacrylate.

17. The article of claim 13, wherein the surface layer provides the article with a low surface energy.

18. A method comprising

a porous substrate and

a surface layer comprising the reaction product of at least one monoterminated (per)fluoropolyether (meth)acryl compound and at least one monomer or oligomer having at least two (meth)acryl groups;

wherein the surface layer penetrates pores of the substrate.

19. The method of claim 18, wherein the substrate is selected from the group consisting of vinyl, wood, textiles, fabrics, carpets, leather, paper, stone, metals, ceramics, masonry, paint, plastics and thermoplastic resins.

20. The method of claim 18, wherein the fluoropolyether (meth)acryl compound comprises at least one terminal F(CF(CF₃)CF₂O)xCF(CF₃)-group and at least two meth(acryl) groups, wherein x averages from 3 to 15.

21. The method of claim 18, wherein the monomer or oligomer comprises tripropylene glycol diacrylate.

22. The method of claim 18, wherein the surface layer provides the article with a low surface energy.