Patent · US Active

Accelerated cure of isocyanate terminated prepolymers

US8754184B2 · kind B2 · utility

2Cited by

11References

8Claims

0Family size

Assignee

CHEMTURA CORPORATION · US

Inventors

Thomas R. Doyle · Leominster, US
Mark P. Ferrandino · Danbury, US
Ronald O. Rosenberg · Orange, US

Key dates

Filing date	Oct 28, 2010
Grant date	Jun 17, 2014
Priority date	—
Expiry date	Mar 23, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/2027
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A prepolymer mixture for preparing a polyurethane elastomer, the mixture comprising an isocyanate terminated prepolymer and a nitrogen-containing organic salt. The nitrogen-containing organic salt may be selected from the group consisting of an ammonium salt, an imidazolium salt, a pyridinium salt, a pyrrolidinium salt, a piperidinium salt, and a morpholinium salt.

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