Patent · US Active

Methods for controlling (extending) the pot life in chain-extended polyurethane (PU)-based systems

US9321879B2 · kind B2 · utility

2Cited by

10References

8Claims

0Family size

Assignee

Rhein Chemie Rheinau GmbH · DE

Inventors

Wilhelm Laufer · Ellerstadt, DE
Armin Eckert · Philippsburg, DE
Uwe Haas · Wernau, DE
Uwe Wuertz · Schriesheim, DE

Key dates

Filing date	Mar 22, 2013
Grant date	Apr 26, 2016
Priority date	—
Expiry date	Mar 22, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/29
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel processes for controlling (extending) the pot life in polyurethane (PU) based systems that are chain-extended with diamines, preferably PU elastomers, PU adhesives, PU casting resins.

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