LAMINATED POLYESTER FILM

PURPOSE:To obtain excellent easy slippability smoothness and easy adhesiveness by forming a specific number or more of projections composed of particles having a shell core structure wherein the outside is softer than the inside on at least the single surface of a polyester film. CONSTITUTION:1X10 /...

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Bibliographic Details
Main Authors HIRATA JUN, MIMURA TAKASHI, TAMADA KAZUSHI
Format Patent
LanguageEnglish
Published 05.09.1995
Edition6
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING-UP
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Summary:PURPOSE:To obtain excellent easy slippability smoothness and easy adhesiveness by forming a specific number or more of projections composed of particles having a shell core structure wherein the outside is softer than the inside on at least the single surface of a polyester film. CONSTITUTION:1X10 /mm or more projections composed of a shell-core structure wherein the outside is softer than the inside are provided on at least the single surface of a polyester film. The core parts of the particles having the shell-core structure are composed of a highly crosslinked and/or crosslinkable polymer and the shell parts thereof are composed of a thermoplastic polymer. The particles having the shell-core structure are obtained, for example, by performing first stage emulsion polymerization in a system of a monomer forming the core parts, an emulsifier, a polymerization initiator and water and adding a monomer forming the shell parts and a polymerization initiator to the system after polymerization is substantially completed to perform second stage emulsion polymerization. The projections of the particles having the shell- core structure are obtained by applying a coating agent containing the particles having the shell-core structure to a polyester film and drying the coated film before laterally stretching the same.
Bibliography:Application Number: JP19940028289