Process for rapid annealing of a polyester film base to control film curl

A high-CHDM PET-based support for an imaging element can be annealed relatively rapidly to achieve acceptable core-set and post-process curl properties. The fast annealing response of this material allows effective in-line annealing of the film support, yielding a more efficient manufacturing proces...

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Bibliographic Details
Main Authors GREENER JEHUDA, CONTESTABLE BEVERLY A, GILLMOR JEFFREY R, RAO YUANQIAO
Format Patent
LanguageEnglish
Published 13.09.2005
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MAKING GRANULES OR PREFORMS
PERFORMING OPERATIONS
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED
RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A high-CHDM PET-based support for an imaging element can be annealed relatively rapidly to achieve acceptable core-set and post-process curl properties. The fast annealing response of this material allows effective in-line annealing of the film support, yielding a more efficient manufacturing process with less annealing-induced defects in the imaging support.
Bibliography:Application Number: US20030633183