Patent · US Active

Foamable composition

US8399531B2 · kind B2 · utility

1Cited by

4References

15Claims

0Family size

Assignees

C H Erbsloh KG · DE
E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Karlheinz Hausmann · Auvernier, CH
Yefim Brun · Wilmington, US
Joerg Wallach · Wachtendonk, DE

Key dates

Filing date	Sep 29, 2005
Grant date	Mar 19, 2013
Priority date	—
Expiry date	Jun 13, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2203/14
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A foamable composition comprises at least about 50 wt % of a copolymer of ethylene and alkyl (meth)acrylate having a broad chemical composition distribution (CCD), and having a melt index between about 7 and about 30; about 2 to about 40 wt % of a polyolefin having a carboxylic acid or carboxylic acid anhydride functionality; about 1 to about 10 wt % of one or more foaming agents; and about 1 to about 5 wt % of one or more crosslinking agents. This foamable composition combines ease of processing with good foaming characteristics while avoiding unwanted characteristics, such as fogging.

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