Patent · US Active

Composition suitable for production of rigid polyurethane or polyisocyanurate foams

US10351687B2 · kind B2 · utility

7Cited by

8References

16Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Jörg Diendorf · Essen, DE
Raymond M. Geiling, III · Richmond, US
Christian Eilbracht · Herne, DE
Michael Ferenz · Essen, DE

Key dates

Filing date	Dec 17, 2014
Grant date	Jul 16, 2019
Priority date	—
Expiry date	Feb 7, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2483/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a composition suitable for production of rigid polyurethane or polyisocyanurate foams, said composition comprising at least one isocyanate component, at least one polyol component, at least one foam stabilizer, at least one urethane and/or isocyanurate catalyst, optionally water and/or blowing agent, and optionally at least one flame retardant and/or further additives, which comprises at least two different varieties 1 and 2 of polyether siloxanes as foam stabilizers, and to the use of this composition for production of foamed polyurethane or polyisocyanurate materials, preferably rigid foams.

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