Patent · US Active

Aminosiloxanes of high purity

US9951185B2 · kind B2 · utility

0Cited by

22References

9Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

John Huggins · Nevada City, US
Hurbertus Eversheim · Wermelskirchen, DE
Gunnar Hoffmüller · Linz, DE

Key dates

Filing date	Dec 22, 2015
Grant date	Apr 24, 2018
Priority date	—
Expiry date	Jan 28, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/045
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed herein is a composition comprising amino-functional polysiloxanes of high purity and their preparation. Also disclosed herein is an aminoalkyl-functional polysiloxane, a process for purifying this aminoalkyl-functional polysiloxane, a process for preparing the composition, a use of the composition, a polyorganosiloxane-polyorgano block copolymer, a process for the preparation of a polyorganosiloxane-polyorgano block copolymer and a shaped, formed and/or extruded shaped article.

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