Title:
(PER)FLUOROPOLYETHER BLOCK COPOLYMERS
Document Type and Number:
WIPO Patent Application WO/2012/175534
Kind Code:
A1
Abstract:
The invention relates to (per)fluoropolyether block copolymers comprising: A) a fluoropolyoxyalkylene segment (chain Ra) comprising one or more units of formula (CHXCF2CF2O)- in which X is hydrogen or fluorine; B) a (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, said (per)fluoropolyoxyalkylene segment being different from chain Ra and having a molecular weight higher than 400 g/mol. These copolymers are endowed with improves lubricant properties or with improved water and oil-repellence properties.
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Inventors:
TONELLI CLAUDIO ADOLFO PIETRO (IT)
FONTANA SIMONETTA ANTONELLA (IT)
GALIMBERTI MARCO (IT)
GAVEZOTTI PIERO (IT)
FONTANA SIMONETTA ANTONELLA (IT)
GALIMBERTI MARCO (IT)
GAVEZOTTI PIERO (IT)
Application Number:
PCT/EP2012/061782
Publication Date:
December 27, 2012
Filing Date:
June 20, 2012
Export Citation:
Assignee:
SOLVAY SPECIALTY POLYMERS IT (IT)
TONELLI CLAUDIO ADOLFO PIETRO (IT)
FONTANA SIMONETTA ANTONELLA (IT)
GALIMBERTI MARCO (IT)
GAVEZOTTI PIERO (IT)
TONELLI CLAUDIO ADOLFO PIETRO (IT)
FONTANA SIMONETTA ANTONELLA (IT)
GALIMBERTI MARCO (IT)
GAVEZOTTI PIERO (IT)
International Classes:
C08G65/08; C08G65/18
Foreign References:
| EP0148482A2 | 1985-07-17 | |||
| EP0293863A2 | 1988-12-07 | |||
| US20060281946A1 | 2006-12-14 | |||
| EP0148482A2 | 1985-07-17 | |||
| US4904417A | 1990-02-27 | |||
| US6136331A | 2000-10-24 | |||
| JP2003231719A | 2003-08-19 | |||
| US20060281946A1 | 2006-12-14 | |||
| JP2009173644A | 2009-08-06 | |||
| EP2151239A1 | 2010-02-10 | |||
| US7132574B2 | 2006-11-07 | |||
| EP2221664A1 | 2010-08-25 | |||
| US3847978A | 1974-11-12 | |||
| US4755330A | 1988-07-05 | |||
| US6919479B2 | 2005-07-19 |
Attorney, Agent or Firm:
BENVENUTI, Federica et al. (310, Bruxelles, BE)
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Claims: