Readily bondable polyester film

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/36 (2006.01) B29C 55/02 (2006.01) B29C 55/12 (2006.01) B29D 7/01 (2006.01) C08J 7/04 (2006.01)

Patent

CA 2153506

A readily bondable polyester film excellent in antistatic performance, slipperiness, bondability, blocking resistance, water solubility, solvent resistance, chipping resistance, and so forth, and suitable as magnetic recording material, various photographic materials, wrapping material, electrical insulation material, general industrial materials, and so forth. This film is composed of a polyester base and, formed on at least one side thereof, a layer formed from a mixture mainly comprising a copolyester composition and oxidized wax and/or natural wax, which composition contains a polyoxyalkylene glycol component in an amount of 1 wt. % or above to less than 40 wt. %.

Feuille polyester facile à coller présentant des propriétés antistatiques, une capacité de glissement, un pouvoir adhésif et antiblocage, une résistance à l'écaillage excellents. Ladite feuille peut être utilisée sous forme de support d'enregistrement magnétique, de divers matériaux photographiques, de matériaux d'emballage, de matériau d'isolation électrique et de matériaux industriels d'usage général. Cette feuille se compose d'une base polyester sur au moins une surface de laquelle un mélange constitué d'une composition polyester et une cire oxydée et/ou une cire naturelle est formé, ladite composition comportant un glycol de polyoxyalkylène à raison de 1 % ou plus à moins de 40 % en poids.

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