Patent · US Active

Cellular elastomer with little tendency toward creep at high temperatures

US8927613B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

BASF SE

Inventors

Frank Prissok · Bohmte, DE
Joern Duwenhorst · Bohmte, DE
Michael Harms · Bohmte, DE
Sven Lasai · Stemshorn, DE

Key dates

Filing date	Jul 14, 2009
Grant date	Jan 6, 2015
Priority date	—
Expiry date	Jul 14, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/7678
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to cellular polyisocyanate polyaddition products whose density to DIN EN ISO 845 is from 200 to 800 kg/m3, and also to prepolymer composed of at least one diisocyanate (a) and of at least one polyether alcohol (b), where the at least one polyether alcohol (b) comprises the following components:

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