Patent · US Active

Extrusion coated substrate

US8142902B2 · kind B2 · utility

1Cited by

13References

32Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Manfred Stadlbauer · Linz, AT
Manfred Kirchberger · Eferding, AT
Eberhard Ernst · Linz, AT

Key dates

Filing date	Feb 9, 2009
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Feb 9, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31938
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Certain embodiments provide an article comprising a substrate, wherein the substrate is extrusion coated with a composition comprising a multi-branched polypropylene having a g′ of less than 1.00. In certain embodiments, the substrate is extrusion coated with a composition comprising a polypropylene material. Either the composition and/or the polypropylene material are represented by the equation:Vicat B [° C.]>−3.96·Cx [mol %]+86.85;wherein Vicat B is the heat resistance, according to ISO 306 (50 N), of the composition and/or the polypropylene material; and Cx is the comonomer content the composition and/or the polypropylene material.

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