Patent · US Expired

Aqueous crosslinking polymer dispersions and their use for the preparation of water-based adhesives

US6087439A · kind A · utility

6Cited by

2References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Otto Ganster · Odenthal, DE
Jörg Büchner · Bensberg, DE
Heinz-Werner Lucas · Bensberg, DE

Key dates

Filing date	Jan 29, 1998
Grant date	Jul 11, 2000
Priority date	—
Expiry date	Jan 29, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S528/905
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to aqueous crosslinking polymer dispersions which are characterized in that they consist of PA1 A) 98 to 80 wt. % of a 40 to 60% aqueous alkaline polymer dispersion based on 2-chlorobuta-1,3-diene, with a pH of .gtoreq.9.5 and a chloride content, arising from the elimination of chlorine atoms from the polymer, of .gtoreq.300 ppm, and PA1 B) 2 to 20 wt. % of polyisocyanates obtained by the cyclotrimerization of aliphatic and/or cycloaliphatic diisocyanates, containing NCO groups bonded predominantly or exclusively as secondary groups, and to their use for the preparation of water-based adhesives.

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