Polyetherimide Compatible Polymer Blends for Capacitor Films

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United States of America Patent

APP PUB NO 20170084394A1
SERIAL NO

14898230

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Abstract

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A uniaxially-stretched, high yield extruded capacitor film comprising a compatible polymer blend comprising a polyetherimide and a polyphenylene ether sulfone, wherein the polyetherimide comprises units derived from polymerization of an aromatic dianhydride with a diamine comprising a m-phenylenediamine, a p-phenylenediamine, or combinations thereof, wherein the polyetherimide is endcapped with a substituted or unsubstituted aromatic primary monoamine, wherein the polyphenylene ether sulfone comprises both an ether linkage and an aryl sulfone linkage in its backbone, wherein the compatible polymer blend comprises a dispersed phase having an average cross section of from equal to or greater than about 0.01 microns to about 20 microns, and wherein the high yield extruded capacitor film comprises equal to or greater than about 90 wt. % of the compatible polymer blend entering an extruder used for manufacturing the capacitor film, based on the total weight of the compatible polymer blend prior to entering the extruder.

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Patent Owner(s)

Patent OwnerAddress
SABIC GLOBAL TECHNOLOGIES B VPLASTICSLAAN 1 BERGEN OP ZOOM 4612 PX

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NIEMEYER, Matthew F North Chatham, US 9 82
PFEIFFENBERGER, Neal Conshohocken, US 11 25
SANNER, Mark Evansville, US 10 69

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