커패시터 필름용 폴리에터이미드 상용성 중합체 블렌드

• Main Authors: PFEIFFENBERGER NEAL, NIEMEYER MATTHEW F, SANNER MARK
• Format: Patent
• Language: Korean
• Published: 14.09.2017
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

폴리에터이미드 및 폴리페닐렌 에터 설폰을 포함하는 상용성 중합체 블렌드를 포함하는 단축-연신의, 고수율 압출 커패시터 필름으로서, 여기서 폴리에터이미드는 방향족 이무수물과 m-페닐렌다이아민, p-페닐렌다이아민, 또는 이의 조합을 포함하는 다이아민의 중합으로부터 유도된 단위를 포함하고, 폴리에터이미드는 치환된 또는 비치환된 방향족 1차 모노아민으로 말단 캡핑되며, 여기서 폴리페닐렌 에터 설폰은 이의 백본에 에터 연결부 및 아릴 설폰 연결부 모두를 포함하고, 여기서 상용성 중합체 블렌드는 평균 단면이 약 0.01 마이크론 내지 약 20 마이크론인 분산상을 포함하고, 여기서 고수율 압출 커패시터 필름은 커패시터 필름 제조에 사용되는 압출기에 유입하는 상용성 중합체 블렌드를, 압출기에 유입하는 상용성 중합체 블렌드의 전체 중량을 기준으로, 약 90 중량% 이상 포함한다. 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.