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Copolymer for a hydrophobic coating having an improved durability
US9714308B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9714308-B2 |
| Application number | US-201414903436-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 3, 2014 |
| Priority date | Jul 8, 2013 |
| Publication date | Jul 25, 2017 |
| Grant date | Jul 25, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A copolymer includes a first group that is hydrophobic and a second group that is crosslinkable. Moreover, a glass substrate includes a coating of the copolymer, with interposition of a layer of silane including a functional group capable of reacting with the crosslinkable group. The glass substrate may be used as hydrophobic glazing for a transport vehicle, shower cubicle wall or easy-to-clean interior glazing.
First claim
Opening claim text (preview).
The invention claimed is: 1. A glass substrate comprising a coating of a copolymer of formula (I): in which: the R 1 group is hydrophobic, the R 2 group is crosslinkable, x, z and t>0 and y≧0 and x+y+z+t=1, n is an integer, with interposition of a layer of silane having a functional group capable of reacting with the crosslinkable R 2 group. 2. The glass substrate as claimed in claim 1 , wherein the copolymer coating comprises inorganic fillers. 3. The glass substrate as claimed in claim 2 , wherein said inorganic fillers are silica nanoparticles. 4. The glass substrate as claimed in claim 2 , wherein the surface of said inorganic fillers exhibits a functional group capable of reacting with the crosslinkable R 2 group. 5. A method comprising utilizing a glass substrate as claimed in claim 1 as hydrophobic glazing for a transport vehicle. 6. A method comprising utilizing a glass substrate as claimed in claim 1 as shower cubicle wall. 7. A method comprising utilizing a glass substrate as claimed in claim 1 as easy-to-clean interior glazing. 8. The glass substrate as claimed in claim 1 , wherein the R 1 group is a —(CF 2 ) m CF 3 group, with m=5, 7, 9 or 11, or a —OC(═O)CF(CF 3 )(OCF 2 CF(CF 3 )) p F group, p being an integer between 2 and 10. 9. The glass substrate as claimed in claim 1 , wherein the R 2 group carries an epoxide, mesyl, tosyl or isocyanate functional group. 10. The glass substrate as claimed in claim 1 , wherein the R 1 group is a —OC(═O)CF(CF 3 )(OCF 2 CF(CF 3 )) p F group, p being an integer between 2 and 10.
Assignees
Inventors
Classifications
Homopolymers or copolymers of methyl methacrylate · CPC title
containing perhaloalkyl radicals · CPC title
- C08F220/18Primary
with acrylic or methacrylic acids · CPC title
with at least two coatings of organic materials (C03C17/36, C03C17/42 take precedence) · CPC title
Hydrophobic and oleophobic coatings · CPC title
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- What does patent US9714308B2 cover?
- A copolymer includes a first group that is hydrophobic and a second group that is crosslinkable. Moreover, a glass substrate includes a coating of the copolymer, with interposition of a layer of silane including a functional group capable of reacting with the crosslinkable group. The glass substrate may be used as hydrophobic glazing for a transport vehicle, shower cubicle wall or easy-to-clean…
- Who is the assignee on this patent?
- Saint Gobain, Specific Polymers
- What technology area does this patent fall under?
- Primary CPC classification C08F220/18. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 25 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).