Title:
POLYMERIZATION PROCESS
Document Type and Number:
WIPO Patent Application WO/2013/037707
Kind Code:
A1
Abstract:
The invention pertains to a process for manufacturing a dispersion of a vinylidene fluoride (VDF) thermoplastic polymer [polymer (F)], said process comprising polymerizing VDF in an aqueous phase comprising at least one bisfluorocarbonphosphinic surfactant of formula RF
1 RF
2P(0)O-Xa
+ wherein RF
1 and RF
2, equal to or different from each other, is independently a fluorinated or perfluorinated C1-C20 group, and Xa is H, a alkali metal or a NRH
4 group, with RH being H or a C1-C6 hydrocarbon group [surfactant (P)], and to a vinylidene fluoride thermoplastic polymer dispersion therefrom.
Inventors:
KENT BRADLEY LANE (US)
VENERONI ALESSANDRO (IT)
KAPELYUSHKO VALERIY (IT)
VENERONI ALESSANDRO (IT)
KAPELYUSHKO VALERIY (IT)
Application Number:
PCT/EP2012/067495
Publication Date:
March 21, 2013
Filing Date:
September 07, 2012
Export Citation:
Assignee:
SOLVAY SPECIALTY POLYMERS IT (IT)
KENT BRADLEY LANE (US)
VENERONI ALESSANDRO (IT)
KAPELYUSHKO VALERIY (IT)
KENT BRADLEY LANE (US)
VENERONI ALESSANDRO (IT)
KAPELYUSHKO VALERIY (IT)
International Classes:
C08F14/22; C08F2/26; C08K5/5313; C09D127/16
Foreign References:
| US20100273921A1 | 2010-10-28 | |||
| US4220572A | 1980-09-02 | |||
| US20100273921A1 | 2010-10-28 | |||
| EP0070498A1 | 1983-01-26 | |||
| GB1388924A | 1975-03-26 | |||
| US3047619A | 1962-07-31 | |||
| US5285002A | 1994-02-08 |
Attorney, Agent or Firm:
BENVENUTI, Federica et al. (310, Bruxelles, BE)
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Claims: