Patent · US Active

Process for preparing a block copolymer

US8952109B2 · kind B2 · utility

4Cited by

9References

8Claims

0Family size

Assignee

BASF SE

Inventors

Martin Weber · Maikammer, DE
Thomas Weiß · Ilvesheim, DE
Christian Maletzko · Altrip, DE
Bastiaan Bram Pieter Staal · Mannheim, DE
Claudia Spang · Eisenberg, DE

Key dates

Filing date	Aug 3, 2012
Grant date	Feb 10, 2015
Priority date	—
Expiry date	Oct 19, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/05
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing a block copolymer comprising poly-arylene ether and polyalkylene oxide blocks, comprising the reaction of an HO-terminated poly-arylene ether with a monomeric alkylene oxide.The present invention also relates to a block copolymer obtainable from this process.The invention additionally relates to a triblock polymer with polyalkylene oxide-polyaryl ether-polyalkylene oxide blocks.

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