DETERGENT COMPOSITION FOR REMOVING POLYIMIDE

PROBLEM TO BE SOLVED: To provide a detergent composition for removing polyimide, which can well remove polyimide even at room temperature, and not only excels in an anticorrosive effect on aluminum and aluminum alloy wiring, and but also has no problem of deposition even in its long-term use.SOLUTIO...

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Bibliographic Details
Main Authors BANG SOON HONG, HONG HUN PYO, YOON HYO JOONG, LEE SUNG YOUNG
Format Patent
LanguageEnglish
Published 26.01.2012
Subjects
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
BASIC ELECTRIC ELEMENTS
CANDLES
CHEMISTRY
CLEANING
CLEANING IN GENERAL
DETERGENT COMPOSITIONS
DETERGENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FATTY ACIDS THEREFROM
METALLURGY
PERFORMING OPERATIONS
PREVENTION OF FOULING IN GENERAL
RECOVERY OF GLYCEROL
RESIN SOAPS
SEMICONDUCTOR DEVICES
SOAP OR SOAP-MAKING
TRANSPORTING
USE OF SINGLE SUBSTANCES AS DETERGENTS
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Summary:PROBLEM TO BE SOLVED: To provide a detergent composition for removing polyimide, which can well remove polyimide even at room temperature, and not only excels in an anticorrosive effect on aluminum and aluminum alloy wiring, and but also has no problem of deposition even in its long-term use.SOLUTION: The detergent composition contains, with respect to the total weight of the composition, (A) 0.1 to 10 wt.% of a quaternary ammonium hydroxide represented by chemical formula 1, (B) 50 to 90 wt.% of a glycol etheric compound, (C) 7 to 30 wt.% of glycerol, and (D) a balance amount of water. The chemical formula 1 is [N-(R)]-OHwherein R is a 1-5C alkyl group.
Bibliography:Application Number: JP20110149504