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Title:
VINYL ALCOHOL COPOLYMER FOR USE IN AQUEOUS DISPERSION AND MELT EXTRUDED ARTICLE
Document Type and Number:
Japanese Patent JP2012229430
Kind Code:
A
Abstract:

To provide a product that contains a film and a harsh chemical.

A film is characterized in that it shows a harsh chemical dissolution time of less than 80 seconds measured by the harsh chemical dissolution test method after 8 weeks, wherein the film includes vinyl alcohol (VOH), and a copolymer of 1-8 mol% of 2-acrylamido-2-methyl propane sulfonic acid in free acid form or the free acid (AMPS) as a salt. Moreover, the copolymer is a relatively low compositional drift with regard to the amount of AMPS contained in the copolymer.


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Inventors:
VICARI RICHARD
Application Number:
JP2012151441A
Publication Date:
November 22, 2012
Filing Date:
July 05, 2012
Export Citation:
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Assignee:
SEKISUI SPECIALTY CHEMICALS AM
International Classes:
C08F216/06; C08F2/00; C08F228/02; C08J5/18
Domestic Patent References:
JPH09272774A1997-10-21
JPS63177128A1988-07-21
JPS63177127A1988-07-21
JP2005139240A2005-06-02
JP2005154710A2005-06-16
JPH05320219A1993-12-03
JP2006521449A2006-09-21
JP2007520584A2007-07-26
Foreign References:
WO2005010057A12005-02-03
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Go Kajita



 
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