Chain-extended poly(aryl ether ketones)

Patent · Tue Jun 09 00:00:00 EDT 1992

OSTI ID:7292737

Robeson, L M; Winslow, P A; Matzner, M; Harris, J E; Maresca, L M

This patent describes a process for preparing a poly(aryl ether ketone) polymer. It comprises reacting (n) moles of HAr H with (n + 1) moles of YCOAr{sub 1}COY under Friedel-Crafts polymerization conditions; reacting the product obtained with 2XAR{sub 2}H under Friedel-Crafts polymerization conditions; reacting the product obtained with HOAr{sub 3}OH in the presence of a base and an aprotic solvent; wherein Ar and Ar{sub 1} are divalent aromatic groups, Ar{sub 2} is a divalent aromatic group wherein the substituents X and CO are in para or ortho position relative to each other, Ar{sub 3} is a residue of a dihydric phenol, X and Y are halogen, n is an integer of 1 to 50 and X is one or greater.

• Assignee: Amoco Corp., Chicago, IL (United States)
• Patent Number(s): US 5120818; A
• Application Number: PPN: US 7-453782
• OSTI ID: 7292737
• Resource Relation: Patent File Date: 20 Dec 1989
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
POLYMERS
CHEMICAL PREPARATION
ETHERS
POLYMERIZATION
CHEMICAL REACTIONS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
SYNTHESIS
360601* - Other Materials- Preparation & Manufacture
400201 - Chemical & Physicochemical Properties