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Title:
THERMALLY REVERSIBLE THICKENING COMPOSITION
Document Type and Number:
Japanese Patent JP2779611
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a thermally reversible thickening compsn. which, though having a low viscosity at low temps., rapidly thickens to form a strong gel when heated and imparts excellent luster and printability to coated paper when used for producing it by compounding a cationic resin latex with an anionic thickening compd. which reversibly changes from hydrophilic to hydrophobic at a certain temp.
SOLUTION: This compsn. comprises 99.99-70wt.% anionic resin latex and 0.01-30wt.% cationic thickening compd. Examples of the latex are a resin latex obtd. by using a radical-polymerizable cationic emulsifier and a styrene-butadiene resin latex obtd. by the emulsion polymn. using as the emulsifier a (meth) acrylate having cationic groups and a polyoxypropylene chain. The compd., exemplified as one having a content of polyoxyethylene group of 50wt.% or higher and at least one anionic group, has a mol.wt. per anionic group of 150-50,000.


Inventors:
OOSUMI TATSUYA
OKAMOTO TAKESHI
Application Number:
JP15765196A
Publication Date:
July 23, 1998
Filing Date:
May 28, 1996
Export Citation:
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Assignee:
SANYO KASEI KOGYO KK
International Classes:
C08L9/08; C03C25/10; C04B26/04; C08F2/22; C08F2/24; C08F236/10; C08F290/00; C08F290/06; C08L21/00; C08L25/00; C08L25/10; C08L47/00; C08L71/00; C08L101/00; C08L101/02; C08L101/12; C09D11/10; C09D11/106; C09D11/107; C09D11/108; C09D201/02; D04H1/58; D06M15/21; D06M15/693; D21H19/44; (IPC1-7): C08L101/02; C08L9/08; C08L101/12; D21H19/44
Domestic Patent References:
JP9111133A
JP5815546A



 
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