Patent · US Active

Process for making a cross-linked polyethylene article

US10173358B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Thierry Toullec · Val-de-Reuil, FR
Paul Laurenson · Tence, FR
Bart Verheule · Schelle, BE
Ola Fagrell · Stenungsund, SE
Linus Karlsson · Göteborg, SE

Key dates

Filing date	Dec 17, 2013
Grant date	Jan 8, 2019
Priority date	—
Expiry date	May 26, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/0025
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for for making a cross-linked polyethylene article includes: (A) feeding a blend comprising a cross-linkable silane-group containing polyethylene copolymer and at least one additive to an extruder, (B) feeding a liquid comprising a silanol condensation catalyst to said extruder to form a mixture with said blend, (C) extruding said mixture to form an article and (D) cross-linking said article. The article may be a pipe or cable.

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