Patent · US Active

Fibre reinforced propylene foam

US8729144B2 · kind B2 · utility

1Cited by

6References

15Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Martin Anker · Karlskrona, SE
Per-Ola Hagstrand · Stenungsund, SE
Manfred Stadlbauer · Linz, AT

Key dates

Filing date	Nov 15, 2006
Grant date	May 20, 2014
Priority date	—
Expiry date	Jun 21, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2323/10
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a foamed polypropylene composition comprising a propylene homo- and/or copolymer and glass fibres, wherein (i) the composition has a density of 50 to 950 kg/m3, (ii) the tensile modulus tm(extrusion direction) measured according to ISO 527 in extrusion direction and the k-value measured according to ASTM C-518 satisfy the relation: tm(extrusion direction) [MPa]/k [W/mK]≧9000 MPa·mK/W, to the use of said composition for the production of an insulating layer and to an article comprising said composition.

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