Biaxially stretched film

A biaxially stretched film which is characterized by containing a polyethylene naphthalate copolymer (A), and which is also characterized in that the average of hysteresis loss ratios after performing a tensile cycle test up to 5% tensile strain in the MD direction and in the TD direction is 47.0% o...

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Bibliographic Details
Main Authors NAKAMURA, HIROKI, KOIDO, SHUNSUKE
Format Patent
LanguageChinese
English
Published 01.11.2021
Subjects
ADVERTISING
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
GENERAL PROCESSES OF COMPOUNDING
LABELS OR NAME-PLATES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICS
SEALS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SIGNS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
WORKING-UP
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Summary:A biaxially stretched film which is characterized by containing a polyethylene naphthalate copolymer (A), and which is also characterized in that the average of hysteresis loss ratios after performing a tensile cycle test up to 5% tensile strain in the MD direction and in the TD direction is 47.0% or less. Consequently, the present invention is able to provide a biaxially stretched film that has excellent folding resistance and heat resistance.
Bibliography:Application Number: TW202110108492