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Azide-containing fluoropolymers and their preparation
US9388257B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9388257-B2 |
| Application number | US-201314135794-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 20, 2013 |
| Priority date | Aug 18, 2008 |
| Publication date | Jul 12, 2016 |
| Grant date | Jul 12, 2016 |
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Abstract
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Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.
First claim
Opening claim text (preview).
What is claimed is: 1. A curable composition comprising: (a) a fluoropolymer containing one or more azide groups wherein the azide group is not a sulfonyl-azide group; and (b) a curing agent, wherein the curing agent comprises a nitrile group. 2. The curable composition according to claim 1 , wherein the fluoropolymer is derived from one or more fluorinated monomers selected from at least one of: tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride. 3. The curable composition according to claim 1 , wherein the fluoropolymer is derived from fluorinated vinyl ethers. 4. The curable composition according to claim 1 , wherein the fluoropolymer is derived from one or more fluorinated monomers in combination with ethylene, propylene or ethylene and propylene. 5. The curable composition according to claim 1 , wherein the curable composition is free of a metal catalyst. 6. The curable composition according to claim 1 , wherein the azide group corresponds to the formula—CX1X2 3 , wherein X1 and X2 represent independently from each other H or F. 7. The curable composition according to claim 1 , wherein the azide group corresponds to the formula—[C(X1)(X2)] m− C(Y1)(Y2)N 3 , wherein X1, X2, Y1, and Y2 represent, independently from each other, F or H and m represents 0 or 1. 8. The curable composition according to claim 1 , wherein the fluoropolymer is partially fluorinated. 9. The curable composition according to claim 1 , wherein the fluoropolymer comprises repeating units derived from the monomers selected from vinyl fluoride, vinylidene fluoride, and a combination thereof.
Assignees
Inventors
Classifications
- C08F8/30Primary
Introducing nitrogen atoms or nitrogen-containing groups · CPC title
Open-ended, self-supporting conduit, cylinder, or tube-type article · CPC title
Single layer [continuous layer] · CPC title
- C08F14/18Primary
Monomers containing fluorine · CPC title
Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00 {(polycarbodiimides prepared from isocyanates C08G18/025, C08G18/797)} · CPC title
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- What does patent US9388257B2 cover?
- Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification C08F8/30. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 12 2016 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).