MANUFACTURING PROCESS FOR COATED POLYESTER FILM

A process in which a wound roll of biaxially oriented polyester film having a glass transition temperature (Tg (°C)) is annealed at a temperature T a (°C) above Tg where Tg < T a ‰¤ Tg + 100 (°C) for a time t after thermal equilibrium where 1 hour ‰¤ t ‰¤ 72 hours and cooled, for the purpose of i...

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Bibliographic Details
Main Authors HODGSON, ANDREW, NATHAN, HASHIMOTO, KATSUYUKI, EVESON, ROBERT, WILLIAM, MACKERRON, DUNCAN, HENRY
Format Patent
LanguageEnglish
French
German
Published 20.05.2015
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
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 process in which a wound roll of biaxially oriented polyester film having a glass transition temperature (Tg (°C)) is annealed at a temperature T a (°C) above Tg where Tg < T a ‰¤ Tg + 100 (°C) for a time t after thermal equilibrium where 1 hour ‰¤ t ‰¤ 72 hours and cooled, for the purpose of improving the shrinkage of said polyester film.
Bibliography:Application Number: EP20070712689