METHOD FOR MANUFACTURING SPHERICAL COMPOSITE POWDER

PROBLEM TO BE SOLVED: To provide a method for manufacturing a polymeric spherical composite powder having a filler that improves mechanical, electrical and thermal properties on the surface or inside of the composite powder. SOLUTION: The method of manufacturing a spherical composite powder comprise...

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Bibliographic Details
Main Author SUGANO GEN
Format Patent
LanguageEnglish
Published 24.04.2001
Edition7
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide a method for manufacturing a polymeric spherical composite powder having a filler that improves mechanical, electrical and thermal properties on the surface or inside of the composite powder. SOLUTION: The method of manufacturing a spherical composite powder comprises a step of heating and mixing a thermoplastic resin composition substantially consisting of a thermoplastic resin and at least one kind of fillers together with a dispersing medium that does not compatibilize with the composition at a temperature of the melting point of the composition or higher to disperse the mixture to a state of fine particles, and a step of cooling the fine particles obtained to a temperature of at most the melting point of the composition to obtain fine substantially spherical bodies having a mean particle diameter of 0.01-1,000 μm.
Bibliography:Application Number: JP19990300982