Patent · US Expired

Internal softening additives for polyolefin-containing materials and methods of using the same

US7262239B2 · kind B2 · utility

0Cited by

6References

16Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Christine Wild · Hilden, DE
Paul Birnbrich · Solingen, DE
Raymond Mathis · Goldkronach, DE

Key dates

Filing date	Feb 5, 2003
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Feb 5, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2965
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Methods for imparting softness to polyolefin-containing articles are described wherein the methods comprise: (a) providing at least one compound selected from the group consisting of compounds of the general formula (I) and compounds of the general formula (II):A-B-C-B-A (I)A-B-Acyl (II)wherein each A independently represents a R—C(O)O— group wherein R represents an alkyl group having from 7 to 21 carbon atoms; each B independently represents a —(CnH2nO)k— group wherein n represents a number of from 2 to 4 and k represents a number of from 1 to 15; and C represents an alkylene group having from 2 to 6 carbon atoms; (b) combining the at least one compound and a polyolefin-containing material to form a mixture; and (c) subjecting the mixture to further processing to form an article.

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