Patent · US Active

Waterborne adhesive with improved wet adhesion

US8546471B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Nicolas de Calmes · Dainville, FR
Victor Dario Buj Vilalata · Neuss, DE
Ralf Gossen · Duisburg, DE
Hermann-Josef Plum · Emmelshausen, DE
Ethel Abrahams-Meyer · Viersen, DE

Key dates

Filing date	Feb 6, 2012
Grant date	Oct 1, 2013
Priority date	—
Expiry date	Feb 6, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A Waterborne adhesive comprising 1 to 50 weight-% of a (meth)acrylate copolymer manufactured by polymerization of at least one ester of methacrylic acid, acrylic acid, crotonic acid and/or itaconic acid with aliphatic alcohols, substituted aliphatic alcohols, aromatic alcohols, polyether glycols, and other copolymerizable monomers, having an acid number from 0 to 150 mgKOH/g, 0 to 40 wt-% of natural polymers 0.5 to 30 wt-% of urea, 0.1 to 20 wt-% of additives, characterized in that the adhesive contains 0.05 to 20 weight-% of a super absorbent polymer.

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