Development of a thermal paper manufactured on a high...

B - Operations – Transporting – 41 – M

Patent

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B41M 5/40 (2006.01) B41M 5/41 (2006.01)

Patent

CA 2705331

A thermal paper is described for the formation of images in thermal printing equipment and their manufacturing process, using high smoothness paper as a base or substrate. The thermal paper object of this invention is more economical and has a fully-acceptable performance. The high smoothness non-coated base paper has a greater high smoothness superficial finish than uncoated paper, and this development had not previously been used industrially for this purpose, since on trying to use the state of art of the process coupled with uncoated paper characteristics, the result was a low quality product. Hence, until now base papers had to be used with a previous coating the preparation of which increased production costs due to finished product characteristics, such as heavier weight (weight by square meter) and also a higher caliber.

Se describe un papel térmico para la formación de imágenes en equipos de Impresión térmica y su proceso de fabricación, en el cual se utiliza como base o sustrato un papel de alta lisura. El papel térmico objeto de Ia presente invención resulta más económico y tiene un desempeño totalmente aceptable. El papel base de alta lisura no precubierto tiene un acabado superficial de alta lisura mayor que los papeles no precubiertos y que hasta antes de este desarrollo no se había utilizado industrialmente para este fin, porque al intentar usar los procesos del estado de la técnica aunado a las características propias del papel no precubierto, daban lugar a un producto de baja calidad. Por Io tanto, hasta antes de Ia presente invención se estaba obligado a usar papeles base con una capa de recubrimiento previo en cuya preparación se elevan los costos de producción por las características del producto terminado tales como mayor gramaje (peso por metro cuadrado) y un calibre también mayor.

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