FLUORINE COMPOUNDS, FLUOROPOLYMERS, AND PROCESS FOR PRODUCTION THEREOF

Title:

FLUORINE COMPOUNDS, FLUOROPOLYMERS, AND PROCESS FOR PRODUCTION THEREOF

Document Type and Number:

WIPO Patent Application WO/2004/018534

Kind Code:

A1

Abstract:

The invention provides fluoropolymers which bear functional groups in high contents and can therefore fully exhibit the characteristics of the functional groups and which do not bring about a drop in Tg, namely, fluoropolymers comprising monomer units formed by cyclopolymerization of a fluorinated diene having a functional group as represented by the general formula (1): CFR¹=CR²-Q-CR³=CHR⁴ (1) wherein R¹ to R⁴ are each independently hydrogen, fluoro, alkyl having at most eight carbon atoms, or alicyclic hydrocarbyl, with the provisos that at least one of R¹ to R⁴ is alicyclic hydrocarbyl and that the alkyl or the alicyclic hydrocarbyl may be substituted with fluoro, alkyl, or fluoroalkyl; and Q is a divalent organic group having a blocked acid group capable of being developed with acid into an acid group or an organic group convertible into the blocked acid group.

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Inventors:

KODAMA SHUN-ICHI (JP)
KANEKO ISAMU (JP)
YOKOKOJI OSAMU (JP)
OKADA SHINJI (JP)
TAKEBE YOKO (JP)
KAWAGUCHI YASUHIDE (JP)

Application Number:

PCT/JP2003/010590

Publication Date:

March 04, 2004

Filing Date:

August 21, 2003

Export Citation:

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Assignee:

ASAHI GLASS CO LTD (JP)
KODAMA SHUN-ICHI (JP)
KANEKO ISAMU (JP)
YOKOKOJI OSAMU (JP)
OKADA SHINJI (JP)
TAKEBE YOKO (JP)
KAWAGUCHI YASUHIDE (JP)

International Classes:

C08F36/16; C08F36/20; C08F214/18; (IPC1-7): C08F36/20

Domestic Patent References:

WO2002064648A1	2002-08-22
WO2002065212A1	2002-08-22

Foreign References:

JP2003292547A

2003-10-15

Other References: