Title:
VINYL ALCOHOL COPOLYMER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/171502
Kind Code:
A1
Abstract:
A vinyl alcohol copolymer which is produced by saponifying a copolymer of vinyl acetate and a polyfunctional monomer, and which is characterized in that the polyfunctional monomer contains at least two ethylenic double bonds in the molecule, the vinyl alcohol copolymer contains an ethylenic double bond in a side chain thereof, the ratio (d) of the molar amount of the ethylenic double bond to the total molar amount of a vinyl alcohol unit and a vinyl acetate unit is 0.05/100 to 2/100, and the vinyl alcohol copolymer is soluble in water.
Inventors:
KUMAKI YOSUKE (JP)
TANIDA TATSUYA (JP)
TANIDA TATSUYA (JP)
Application Number:
PCT/JP2014/060891
Publication Date:
October 23, 2014
Filing Date:
April 17, 2014
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C08F8/12; C08F216/06; C09K23/52
Domestic Patent References:
| WO2007119735A1 | 2007-10-25 | |||
| WO2006095462A1 | 2006-09-14 | |||
| WO2008096727A1 | 2008-08-14 |
Foreign References:
| JPH10312166A | 1998-11-24 | |||
| JP2001072720A | 2001-03-21 | |||
| JPH0680744A | 1994-03-22 | |||
| JP2003344812A | 2003-12-03 | |||
| JPS6210105A | 1987-01-19 | |||
| JPH04283749A | 1992-10-08 | |||
| JP2001072720A | 2001-03-21 | |||
| JP2004250695A | 2004-09-09 | |||
| JP2007063369A | 2007-03-15 |
Other References:
See also references of EP 2987810A4
Attorney, Agent or Firm:
NAKATSUKASA, Shigeki et al. (JP)
Shigeki Nakamu (JP)
Shigeki Nakamu (JP)
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