Thickener for water-based vibration damper

Details Thickener for water-based vibration damper Thickener for water-based vibration damper

C - Chemistry, Metallurgy

08

F

C08F 290/06 (2006.01) C08L 71/00 (2006.01) C09D 7/00 (2006.01) F16F 9/32 (2006.01)

Patent

CA 2442758

The object of the invention is to provide a means to enhance the drying property of a coating film formed as a vibration damper and repressing the occurrence of crack and expansion in the surface of the coating film. The task mentioned above is accomplished by using a thickener for vibration damper, which contains a polymer comprising an alkali-soluble monomer unit and an associating monomer unit. The alkali-soluble monomer unit may possess a carboxyl group, a sulfonic acid group, or a phosphoric acid group, or a salt thereof. The associating monomer unit may possess in a side chain thereof a group represented by the formula, - (R1-O) n-X-R2, (wherein R1 denotes methylene group, ethylene group, propylene group or butylene group, n denotes a number in the range of - 300, X denotes a direct bond, -C(=O)-, or -C(=O)NH-, and R2 denotes a hydrocarbon group of 6 - 30 carbon atoms).

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