Heat sealed polymeric films

Details Heat sealed polymeric films Heat sealed polymeric films

B - Operations, Transporting

29

C

B29C 65/02 (2006.01) B29C 65/00 (2006.01) B32B 27/18 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2183038

A method of heat sealing a heat sealable multilayer film having a first film surface which is heat sealable to itself or to other surfaces and a second film surface including particles of a cross-linked polymethyl methacrylate as an antiblock agent, the method comprising sliding the said second film surface over a heated heat sealing surface before effecting heat sealing of the film to itself or to another surface using said heated heat sealing surface.

Méthode de thermoscellage d'une pellicule multicouche thermoscellable comprenant une première feuille se scellant sur elle-même ou sur d'autres surfaces, et une deuxième feuille comportant des particules de PMMA réticulé servant d'agent antiadhérent. La méthode consiste, entre autres, à glisser la deuxième feuille par-dessus une surface thermoscellante chauffée avant de sceller la feuille sur elle-même ou sur une autre surface, en utilisant ladite surface thermoscellante chauffée.

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