Patent · US Active

Polyolefin gel processing composition containing an inorganic acid scavenger and method using same

US11292882B2 · kind B2 · utility

0Cited by

4References

15Claims

0Family size

Assignee

CELANESE SALES GERMANY GMBH · DE

Inventors

Christian Ohm · Gernsheim, DE
Dominik Schreiber · Wallau, DE

Key dates

Filing date	Mar 21, 2019
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Sep 24, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2314/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and an acid scavenger. In accordance with the present disclosure, the acid scavenger is an inorganic compound that is insoluble in the plasticizer and/or any extractions solvents used during the process. In one embodiment, the acid scavenger is a magnesium aluminum hydroxide carbonate.

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