G - Physics – 03 – G
Patent
G - Physics
03
G
G03G 15/00 (2006.01) B29D 7/01 (2006.01) B41M 5/41 (2006.01) G03G 15/14 (2006.01) G03G 21/00 (2006.01)
Patent
CA 2202945
An image transfer material for thermal recording capable of providing a highly precise printing quality suitable for multiple printing operations comprises a base film having, on one of its surfaces a layer of a colouring material. The base film is made of an aromatic polyamide and has a Young's modulus EMD in the longitudinal direction, measured at 20°C and at a relative humidity of 60%, of at least 6.86 GPa. The base film is in a substantially flat condition and is capable of maintaining a flat condition after having been heat-treated at 200°C for 10 minutes in the absence of an applied tension.
Matériau de transfert d'image pour thermogravure, capable d'assurer une impression de grande précision convenant à des opérations d'impression multiple. Comprend une pellicule de base revêtue sur un côté d'une couche de matière colorante. Cette pellicule est faite d'un polyamide aromatique et a un module de Young (EMD) qui, mesuré dans le sens de la longueur à 20.degré.C et à une humidité relative de 60 %, est d'au moins 6,86 GPa. Elle est dans un état essentiellement plat et peut se maintenir dans cet état après avoir subi un traitement thermique à 200.degré.C pendant 10 minutes en l'absence de tension appliquée.
Sueoka Masanori
Tsuzuki Toshihiro
Smart & Biggar
Toray Industries Inc.
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