Method for producing binder composition for storage battery device
US9786917B2 · kind B2 · utility
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3References
14Claims
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Key dates
| Filing date | Mar 13, 2015 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Jun 15, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for producing a binder composition for a storage battery device, which comprises an emulsion polymerization step of emulsion polymerizing a monomer mixture containing a fluorinated vinyl monomer in the presence of a first anionic emulsifying agent (A), an aqueous medium and a radical polymerization initiator to obtain a latex containing a fluorinated polymer, and a post addition step of adding a second anionic emulsifying agent (B) to the latex. The first anionic emulsifying agent (A) has no phenyl group in its molecule, and the second anionic emulsifying agent (B) has a phenyl group in its molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.