ANTI-ICING COATINGS

• US 20200131375A1
• Filed: 03/21/2017
• Published: 04/30/2020
• Est. Priority Date: 03/23/2016
• Status: Active Grant

• Current Assignee: Massachusetts Institute of Technology
• Original Assignee: Massachusetts Institute of Technology
• Inventors: Chen, Dayong, Cohen, Robert E., McKinley, Gareth H.
• Granted Patent: US 11,015,063 B2
• Time in Patent Office: Days
• CPC Class Codes: C08G 18/798 containing urethdione groups
• CPC Class Codes: C08G 77/46 containing polyether sequences
• CPC Class Codes: C08L 71/08 Polyethers derived from hydroxy compounds or from their metallic derivatives C08L71/02 takes precedence
• CPC Class Codes: C08L 83/00 Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 83/12 containing polyether sequences
• CPC Class Codes: C09D 163/00 Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
• CPC Class Codes: C09D 163/04 Epoxynovolacs
• CPC Class Codes: C09D 175/04 Polyurethanes
• CPC Class Codes: C09D 183/04 Polysiloxanes
• CPC Class Codes: C09D 183/12 containing polyether sequences
• CPC Class Codes: C09D 201/00 Coating compositions based on unspecified macromolecular compounds
• CPC Class Codes: C09D 5/00 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

Abstract

An anti-icing coating can include an amphiphlic copolymer o» a surface of an article.

Claims

1. An anti-icing article comprising a coating including polymer composition including a matrix polymer and an amphiphilic copolymer on a surface of the article.

2. The article of claim 1, wherein the matrix polymer includes a polydimethylsiloxane elastomer, an epoxy, a polyurethane or a fluorinated polyurethane.

3. The article of claim 1, wherein the amphiphilic copolymer includes a polyethylene glycol copolymer.

4. The article of claim 3, wherein the polymer composition includes less than 10% of the polyethylene glycol copolymer.

5. The article of claim 3, wherein the polymer composition includes less than 5% of the polyethylene glycol copolymer.

6. The article of claim 3, wherein the polymer composition includes less than 3% of the polyethylene glycol copolymer.

7. The article of claim 3, wherein the polymer composition includes about 1% of the polyethylene glycol copolymer.

8. The article of claim 3, wherein the polyethylene glycol copolymer includes a polysiloxane-polyethylene glycol copolymer.

9. The article of claim 8, wherein the matrix polymer includes polydimethylsiloxane.

10. A method of forming an anti-icing coating a surface of an article, comprising

depositing a polymer composition including a matrix polymer and an amphiphilic copolymer on a surface.

11. The method of claim 10, wherein the matrix polymer includes includes a polydimethylsiloxane elastomer, an epoxy, a polyurethane or a fluorinated polyurethane.

12. The method of claim 10, wherein the amphiphilic copolymer includes a polyethylene glycol copolymer.

13. The method of claim 12, wherein the polymer composition includes less than 10% of the polyethylene glycol copolymer.

14. The method of claim 12, wherein the polymer composition includes less than 5% of the polyethylene glycol copolymer.

15. The method of claim 12, wherein the polymer composition includes less than 3% of the polyethylene glycol copolymer.

16. The method of claim 12, wherein the polymer composition includes about 1% of the polyethylene glycol copolymer.

17. The method of claim 12, wherein the polyethylene glycol copolymer includes a polysiloxane-polyethylene glycol copolymer.

18. The method of claim 17, wherein the matrix polymer includes polydimethylsiloxane.