POLYLACTIC ACID-BASED FILM AND PACKAGING BAG MADE OF THE SAME

PROBLEM TO BE SOLVED: To provide a polylactic acid-based film having excellent heat-sealing properties and an excellent weld-cut sealing strength, and suitably used as films for a food and an industrial use, and to provide a packaging bag made of the film. SOLUTION: The film comprises a polylactic a...

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Bibliographic Details
Main Author INAGAKI MADOKA
Format Patent
LanguageEnglish
Published 19.03.2003
Edition7
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
GENERAL PROCESSES OF COMPOUNDING
HANDLING THIN OR FILAMENTARY MATERIAL
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide a polylactic acid-based film having excellent heat-sealing properties and an excellent weld-cut sealing strength, and suitably used as films for a food and an industrial use, and to provide a packaging bag made of the film. SOLUTION: The film comprises a polylactic acid-based polymer mainly compound of a copolymer of L-lactic acid and D-lactic acid. In the copolymer, the content of D-lactic acid is larger than 2 mol% and not large than 8 mol%.
Bibliography:Application Number: JP20010271107