PAINT COMPOSITION FOR HEAT-TREATMENT PRECOATED METAL

PURPOSE:To provide a paint compsn. for precoated metal, which gives a coating film having excellent processability, appearance, resistance by heat, impact, solvents and corrosion, etc., by blending frit with a polyamide-imide resin in a specified weight ratio. CONSTITUTION:40-80pts.wt. frit having a...

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Bibliographic Details
Main Authors YONEZAWA YOSHIO, HIKITA ATSUSHI, OKAMOTO SHINGO
Format Patent
LanguageEnglish
Published 13.09.1985
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:PURPOSE:To provide a paint compsn. for precoated metal, which gives a coating film having excellent processability, appearance, resistance by heat, impact, solvents and corrosion, etc., by blending frit with a polyamide-imide resin in a specified weight ratio. CONSTITUTION:40-80pts.wt. frit having a softening point of 350 deg.C or above, a solvent such as dimethylformamide and optionally additives such as heat-resisting pigment, dispersion stabilizer, etc. are blended with 100pts.wt. (on a solid basis) polyamide-imide resin, and the mixture is kneaded to obtain the desired paint compsn. for heat-resistant precoated metal. The frit is allowed to exist in the paint as dispersed particle and has such a function that when a coating film is put under heat-resisting conditions and the temp. reaches the softening point of the frit or above, the frit is molten to form a continuous film. An example thereof is phosphate frit.
Bibliography:Application Number: JP19840033974