Nonwoven fabric printing medium and method of production

Details Nonwoven fabric printing medium and method of production Nonwoven fabric printing medium and method of production

B - Operations, Transporting

41

M

B41M 5/00 (2006.01) B32B 5/26 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2528351

A nonwoven fabric printing medium comprises a first nonwoven fabric layer formed of thermoplastic polymer continuous filaments and at least one additional nonwoven fabric layer bonded to the first nonwoven fabric layer to form an integral unitary composite sheet material. The first nonwoven fabric layer has an outer surface adapted to receive printing ink, and the nonwoven fabric printing medium has a porosity of no more than 75 CFM pursuant to ASTM D-737-80, and in a preferred embodiment no more than 25 CFM. The first nonwoven fabric layer includes a thermoplastic polymer binder bonding together the thermoplastic polymer continuous filaments and also bonding the first nonwoven fabric layer to the one or more additional nonwoven fabric layers.

L'invention concerne un support d'impression de non-tissés qui comprend une première couche de non-tissés à base de fils continus en polymère thermoplastique et au moins une couche de non-tissés additionnelle collée à la première couche de non-tissés de façon à constituer un matériau composite en feuilles unitaires intégrales. La première couche de non-tissés présente une surface externe destinée à recevoir l'encre d'impression, la porosité du support d'impression de non-tissés n'excédant pas 75 CFM, conformément à l'ASTM D-737-80, voire 25 CFM dans un mode de réalisation préféré. La première couche de non-tissés comporte un liant en polymère thermoplastique permettant de coller ensemble les fils continus en polymère thermoplastique ainsi que la première couche de non-tissés aux couches de non-tissés additionnelles.

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