Polyamic acid blend and method for preparing the same and method for preparing polyimide film

A method for preparing polyamic acid blend is provided. First, a first polyamic acid solution and a second polyamic acid solution are prepared, wherein the first polyamic acid solution includes a polyamic acid having a repeating unit represented by formula 1, and the second polyamic acid solution in...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	FANG, YI-KAI, CHEN, CHIAO-PEI, HUNG, TSUNG-TAI, CHEN, CHIU-FENG, CHEN, PIN-SHIUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A method for preparing polyamic acid blend is provided. First, a first polyamic acid solution and a second polyamic acid solution are prepared, wherein the first polyamic acid solution includes a polyamic acid having a repeating unit represented by formula 1, and the second polyamic acid solution includes a polyamic acid having a repeating unit represented by formula 2, formula 1 formula 2, Wherein A is; B is; Ar isor, and X is single bond, -O-, -SO2-, C(CF3)2 or -CO- and Ar' is or, and X' is single bond, -O-, -SO2-, C(CF3)2 or -CO-.