LOW-COLOR POLYMERS FOR USE IN ELECTRONIC DEVICES

Disclosed is a polyimide film generated from a solution containing a polyamic acid in a high-boiling, aprotic solvent; wherein the polyamic acid comprises one or more tetracarboxylic acid components and one or more diamine components; and wherein at least one of the tetracarboxylic acid components i...

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Hauptverfasser:	SUMMERS JOHN DONALD, NGAI CHAI KIT, RADU NORA SABINA, ATKINSON WAYNE, LI WEI, MAEYER JONATHAN TIMOTHY, AUMAN BRIAN C
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Disclosed is a polyimide film generated from a solution containing a polyamic acid in a high-boiling, aprotic solvent; wherein the polyamic acid comprises one or more tetracarboxylic acid components and one or more diamine components; and wherein at least one of the tetracarboxylic acid components is a quadrivalent organic group derived from a bent dianhydride or an aromatic dianhydride comprising-O-, -CO- -NHCO-, -S-, -SO2-, -CO-O-, or -CR2- links, or a direct chemical bond between aromatic rings; and wherein at least one of the diamine components is a divalent organic group derived from a bent diamine or an aromatic diamine comprising the same links, or a direct chemical bond between aromatic rings; and wherein R is the same or different at each occurrence and is selected from the groupconsisting of H, F, alkyl, and fluoroalkyl. 公开了一种聚酰亚胺膜，所述聚酰亚胺膜由在高沸点非质子溶剂中含有聚酰胺酸的溶液产生；其中所述聚酰胺酸包含一种或多种四羧酸组分及一种或多种二胺组分；并且其中所述四羧酸组分中的至少一种是衍生自弯曲二酐或芳香族二酐的四价有机基团，所述芳香族二酐包含-O-、-CO-、-NHCO-、-S-、-SO-、-CO-O-或-CR-连接或芳香族环之间的直接化学键；并且其中所述二胺组