Patent · US Active

Cylindrical mouldings based on cellular polyurethane elastomers

US7985780B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

BASF SE

Inventors

Elke Marten · Ostercappeln, DE
Andreas Heidemann · Stolzenau, DE
Markus Schütte · Nürnberg, DE
Michael Strauβ · Büdelsdorf, DE
Heinrich Bollmann · Lehesten, DE
Ralf Hansen · Lehre, DE

Key dates

Filing date	Feb 21, 2006
Grant date	Jul 26, 2011
Priority date	—
Expiry date	Sep 18, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S521/914
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A cylindrical molding based on cellular polyurethane elastomers having a density according to DIN EN ISO 845 of from 300 to 900 kg/m3, a tensile strength according to DIN EN ISO 1798 of ≧2.0 N/mm2, an elongation at break according to DIN EN ISO 1798 of ≧200% and a tear propagation resistance according to DIN ISO 34-1 B (b), of ≧8 N/mm, wherein the cellular polyurethane elastomer is based on the reaction

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