Patent · US Active

Dispersion adhesives, a process for preparing them and use thereof

US8772387B2 · kind B2 · utility

1Cited by

8References

8Claims

0Family size

Assignee

Rhein Chemie Rheinau GmbH · DE

Inventors

Wilhelm Laufer · Ellerstadt, DE
Peter Schuster · Kawkawlin, US
Christian Scheffner · Eppelheim, DE

Key dates

Filing date	Oct 7, 2011
Grant date	Jul 8, 2014
Priority date	—
Expiry date	Oct 7, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2170/80
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present claims relate to aqueous dispersion adhesives comprising at least one polyurethane dispersion and at least one carbodiimide having the general formula R′—(—N═C═N—R—)m—R″, in which m corresponds to an integer from 1 to 500, R=arylene and/or C7-C11 aralkylene, R′═R—NCO, and R″═—NCO, where in R′, independently of one another, R1 and R2 are identical or different and represent a C1-C6 alkyl, C6-C10 cycloalkyl or C7-C18 aralkyl radical.

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