Vinylidene Fluoride Copolymers
Patent No. EP2147029 (titled "Vinylidene Fluoride Copolymers") was filed by Solvay Solexis on Apr 22, 2008. The application was issued on Feb 20, 2013.
Patent Summary
Vinylidene fluoride (VDF) copolymers with improved thermal stability, comprising recurring units derived from hydrophilic (meth)acrylic monomers, such as acrylic acid, with a substantially random distribution of these units throughout the VDF backbone. The copolymers are manufactured through a novel aqueous polymerization process that maintains pressure above the critical pressure of VDF, resulting in linear semi-crystalline copolymers with enhanced thermal stability and hydrophilic properties. These copolymers are suitable as binders in lithium-ion batteries and for the manufacture of hydrophilic membranes.
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EP2147029
- Application Number
- EP08749636A
- Filing Date
- Apr 22, 2008
- Status
- No Opposition Filed Within Time Limit
- Publication Date
- Feb 20, 2013
- External Links
- Slate, Register , Google Patents