Patent · US Active

Polyethersulfone compositions with high heat and good impact resistance

US8796399B2 · kind B2 · utility

1Cited by

1References

6Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

Daniel J. Brunelle · Scotia, US
Daniel Steiger · San Francisco, US

Key dates

Filing date	Jan 30, 2012
Grant date	Aug 5, 2014
Priority date	—
Expiry date	Apr 27, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L81/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; andfrom greater than about 60 mol % to about 95 mol % structural units of formula 2wherein

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