Stain resistant microsphere articles

Patent metadata

Field	Value
Publication number	US-2016145458-A1
Application number	US-201414900185-A
Country	US
Kind code	A1
Filing date	Jun 26, 2014
Priority date	Jun 26, 2013
Publication date	May 26, 2016
Grant date	—

Abstract

There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.

First claim

1 . An article comprising at least a first surface having:
(a) a binder resin layer having a fluorine-containing polymer, wherein the binder resin layer has a first major surface opposite a second major surface; and (b) a plurality of microspheres partially embedded in, and adhered thereto, the first major surface of the binder resin layer; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article of embodiment exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50.

2 . The article of claim 1 wherein the plurality of microspheres are selected from at least one of glass, polymers, glass ceramics, ceramics, metals and combinations thereof.

3 . The article of claim 1 wherein the fluorine-containing polymer is selected from at least one of the following: fluoroolefins and fluorourethanes and combinations thereof.

4 . The article of claim 1 wherein at least about 40% of the surface of the article is covered with the plurality of microspheres.

5 . The article of claim 1 further comprising a reinforcing layer formed on the second major surface of the binder resin layer.

6 . The article of claim 5 wherein the reinforcing layer is selected from one of the following: polyurethane resins, acrylic resins, polyester resins, epoxy resins.

7 . The article of claim 6 wherein the polyurethane resin is selected from polyurethane dispersions, two part urethanes coated from solvent, 100% solids two part urethanes, and combinations thereof.

8 . The article of claim 1 wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight.

9 . The article of claim 1 further comprising a substrate layer disposed on a surface other than the first major surface of the binder resin layer.

10 . The article of claim 1 further comprising an adhesive layer disposed on a surface other than the first major surface of the binder resin layer.

11 . The article of claim 1 wherein the fluorine-containing polymer is derived from aqueous dispersions of at least one partially fluorinated, or non-fluorinated, monomer.

12 - 26 . (canceled)

27 . An article comprising at least a first surface having:
(a) a binder resin layer having a fluorine-containing polymer, wherein the binder resin layer has a first major surface opposite a second major surface; and (b) a plurality of microspheres partially embedded in, and adhered thereto, the first major surface of the binder resin layer; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.

28 . (canceled)

29 . The article of claim 27 wherein the fluorine-containing polymer is selected from at least one of the following: fluoroolefins and fluorourethanes and combinations thereof.

30 . The article of claim 27 wherein at least about 40% of the surface of the article is covered with the plurality of microspheres.

31 . The article claim 27 further comprising a reinforcing layer formed on the second major surface of the binder resin layer.

32 . The article of claim 31 wherein the reinforcing layer is selected from one of the following: polyurethane resins, acrylic resins, polyester resins, epoxy resins.

33 .

34 . The article of claim 27 wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight.

35 - 36 . (canceled)

37 . The article of claim 27 wherein the article of embodiment exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50.

38 . (canceled)

Assignees

• 3M Innovative Properties Co

Inventors

• Walker Jr Christopher B
• Clark John C
• Fukushi Tatsuo
• Klun Thomas P
• Krishnan Vivek
• Kugel Alexander J
• Liu Lan H
• Ma Jingjing
• Mcman Steven J

Classifications

• C09D5/00 Primary

  Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced {(electrically insulating plastics, resins or waxes H01B3/30)}; Filling pastes · CPC title

• C09D127/12

  containing fluorine atoms · CPC title

• C09D127/18 Primary

  Homopolymers or copolymers of tetrafluoroethene · CPC title

• C09D127/20

  Homopolymers or copolymers of hexafluoropropene · CPC title

• C08K7/18

  inorganic · CPC title