METHOD FOR REDUCING PH OF ANIONIC POLYURETHANE DISPERSION STABILIZED BY CARBOXYLATE OR SULFONATE GROUP

Title:

METHOD FOR REDUCING PH OF ANIONIC POLYURETHANE DISPERSION STABILIZED BY CARBOXYLATE OR SULFONATE GROUP

Document Type and Number:

Japanese Patent JPH06293860

Kind Code:

A

Abstract:

PURPOSE: To reduce the pH of an anionic polyurethane dispersion useful for coating agents, etc., while improving the harmlessness to human body, work safety, and resistance to coagulation of the dispersion by adding a compd. having a specified number of ester groups and containing no specified acid group to the dispersion.

CONSTITUTION: The pH of a polyurethane dispersion is reduced by adding a compd. which has up to 4 ester groups and does not have an acid, acid anhydride, or acid halide group to the dispersion.

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Inventors:

EERITSUHI GURUBINSU
KAARU HEBERURE
URURIKE RIHITO
AREKUSANDAA BUARON

Application Number:

JP49094A

Publication Date:

October 21, 1994

Filing Date:

January 07, 1994

Export Citation:

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Assignee:

BASF AG

International Classes:

C08L75/04; C08G18/08; C08K5/10; C08L75/00; C09D175/00; C09D175/04; C09J175/04; (IPC1-7): C08L75/04; C09D175/04

Attorney, Agent or Firm:

Tajiro Taiji

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