Curable fluoropolymer compositions comprising a compound containing a phthalonitrile and an olefinic bond and cured articles therefrom
US11499032B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 18, 2020 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Aug 18, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L11/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.