Patent · US Expired

Radiation-curable contact adhesives based on polyurethane acrylates

US4920157A · kind A · utility

11Cited by

6References

12Claims

0Family size

Assignee

BASF SE

Inventors

Guenther Schulz · Bad Dürkheim, DE
Wolfgang Druschke
Helmut Jaeger · Worms, DE

Key dates

Filing date	Mar 15, 1988
Grant date	Apr 24, 1990
Priority date	—
Expiry date	Mar 15, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S525/92
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Radiation-curable contact adhesives containing (A) oligomeric or polymeric reaction products of (a) diisocyanates, (b) polyesterols and/or polyetherols, (c) optionally C.sub.2 -C.sub.50 -diols, (d) C.sub.2 -C.sub.20 -hydroxyalkyl (meth)acrylates and (e) monohydroxyalkylcarboxylic acids in defined weight proportions and (e) monovinyl compounds in an amount of 2-90% by weight, based on A+B, produce contact adhesive layers of particularly high surface tackiness and particularly high cohesion.

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