Blended thermoformable rf sealable plastic

Details Blended thermoformable rf sealable plastic Blended thermoformable rf sealable plastic

B - Operations, Transporting

65

B

B65B 47/00 (2006.01) B29C 47/00 (2006.01) B29C 65/00 (2006.01) C08J 5/12 (2006.01) C08L 67/02 (2006.01) B29C 65/04 (2006.01)

Patent

CA 2469852

A thermoformable, RF-sealable material for use in packaging. The material is produced from a blend including between approximately 5 % and 50 % by weight of PETG, and between approximately 50 % and 95 % by weight of PET. A small amount of color concentrate may be added to the blend. The blend may be extruded into sheets and thermoformed to produce packaging material.

La présente invention concerne un matériau thermoformable, soudable par rayonnement haute fréquence, convenant pour l'emballage. Ce matériau est produit à partir d'un mélange fait pour environ 5 % à 50 % de sa masse de PETG (polyéthylène-téréphtalate-glycol) et pour environ 50 % à 95 % de sa masse de PET (polyéthylène-téréphtalate). On peut ajouter au mélange une petite quantité de concentré de matière colorante. Ce mélange se prête à l'extrusion en feuilles et au thermoformage pour la production de matériau d'emballage.

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