Patent · US Expired

Method for improved stability of aqueous polymer dispersions

US6426377B1 · kind B1 · utility

4Cited by

12References

6Claims

0Family size

Assignee

BASF SE

Inventors

Matthias Gerst · Maikammer, DE
Bernhard Schuler · Austin, US
Burkhardt Dames · Neuwied, DE

Key dates

Filing date	Jul 14, 2000
Grant date	Jul 30, 2002
Priority date	—
Expiry date	Jul 14, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J3/03
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a process for improving the stability of aqueous polymer dispersions to thermal and/or mechanical effects and comprises adding to said aqueous polymer dispersions at least one salt of a bis-C4-C18-alkyl ester of a sulfonated dicarboxylic acid having 4 to 8 carbon atoms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.