Aromatic polyamide-based resin molding, a process therefor and magnetic recording medium made from the molding

This invention provides moldings of aromatic polyamide-based resins. At least one surface of the molding can exhibit, under an AFM microscope, a square average roughness of over 1.0nm and a ten-point average roughness of less than 80 nm. The Young's modulus thereof is over 9.8Gpa at least in on...

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Bibliographic Details
Main Authors SUEOKA, MASANORI HOKUEN-RYO C, TSUZUKI, TOSHIHIRO A, TSUKUDA, AKIMITSU A
Format Patent
LanguageEnglish
Published 21.03.2000
Edition7
Subjects
ADHESIVES
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
CORRECTING FLUIDS
DYES
FILLING PASTES
GENERAL PROCESSES OF COMPOUNDING
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
INKS
MEASURING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PHYSICS
POLISHES
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS THEREFOR
WOODSTAINS
WORKING-UP
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Summary:This invention provides moldings of aromatic polyamide-based resins. At least one surface of the molding can exhibit, under an AFM microscope, a square average roughness of over 1.0nm and a ten-point average roughness of less than 80 nm. The Young's modulus thereof is over 9.8Gpa at least in one single direction. The resin molding provides good scratch-resistance and uniform surface protuberances. A film thereof is thus particularly suitable for use as a thin film of a magnetic recording medium.
Bibliography:Application Number: TW199786112397