Method of thermoforming

Details Method of thermoforming Method of thermoforming

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01)

Patent

CA 2617135

A method of thermoforming comprises the steps of providing a film, heating the film, and forming the heated film onto a mold. The film comprises a propylene/ethylene copolymer skin layer having a melting point of from about 130~C to about 150~C and an interior polyamide layer having a melting point of from about 125~C to about 230~C.

La présente invention porte sur un procédé de thermoformage comprenant les étapes consistant à utiliser un film, à chauffer le film et à mettre le film chauffé en forme sur un moule. Le film comprend une couche de peau en copolymère de propylène/éthylène dont le point de fusion est compris entre environ 130 et environ 150 °C et une couche de polyamide intérieure dont le point de fusion est compris entre environ 125 et environ 230 °C.

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