Polyetherimide/polyphenylene ether sulfone blends

Details Polyetherimide/polyphenylene ether sulfone blends Polyetherimide/polyphenylene ether sulfone blends

2007-09-11

2011-10-11

Woodward, Ana (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C525S132000, C525S133000, C525S149000, C525S150000, C525S390000, C525S391000, C525S392000, C525S393000, C525S397000, C525S420000, C525S426000, C525S436000

Reexamination Certificate

active

08034857

ABSTRACT:
Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C.

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