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Process for obtaining a cloth with high performances for digital printing and relative cloth

A technology of digital printing and craftsmanship, applied in the field of craftsmanship to obtain the fabric or cloth, which can solve problems such as failure to achieve success and compounds that do not have excellent quality

Inactive Publication Date: 2018-08-21
MFR DEL SEVESO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] While having a good degree of resolution and quality of printed plate images, currently commercially available digitally printable cloths offer a quality comparable to that of paper in terms of reproduction and particularly with regard to vibrancy of colour. The print aspect of the quality of the digital print on the
[0009] Also, very often, these printable cloths may exhibit undesired cracks (cracking phenomena) in the print of the image, which are indicative of flaws in the layer prepared, ie the fabric or coated on top of compounds that do not have excellent quality

Method used

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  • Process for obtaining a cloth with high performances for digital printing and relative cloth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] The equipment of the coating line (which is the stage provided by the process) is at figure 1 is indicated generally by reference number 100, wherein the production sequence proceeds from right to left starting from the upper right corner.

[0072] Said device 100 is formed by a series of units (each with its own specific function), beginning with an unwinding unit 1, also defined as an unwinder assembly, which has the purpose of converting cotton or The roll of unfinished cloth 2 made of viscose for bookbinding which has been subjected to the initial preparation step A) is unrolled.

[0073] The unfinished cloth 2 enters a series of rollers 3 which also have the purpose of tensioning the cloth 2 based on the coating section 10 .

[0074] The coating section 10 comprises at least one scraper 4 with an associated container for pouring one of the above-indicated slurries for the hole closing of step B) or the actual coating of step C).

[0075] A cooling cylinder 5 desi...

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Abstract

A description is given of a process for preparing cloths for bookbinding with gloss or matt finish, in cotton or viscose, suitable for being printed by digital printing, said process comprising the steps of A) preparing an unfinished cloth for bookbinding by desizing, washing, treating with optical white, sizing and drying; B) pre-treating the cloth obtained from step A) by applying, on at least one of the two sides, at least one composition for the closure of the pores of said cloth so as to make the surface planar; C) on the side of said fabric or said cloth intended to be printed, applyingby coating a layer of a paste having a viscosity of at least 7500 cps, preferably comprised between 8000 and 12000 cps, and drying this layer; said paste being the mixture of at least one aqueous composition containing a 35% (dry) acrylic resin and components that at temperatures of around 200 DEG C for less than one minute initiate the state of polymerization, and of at least one nonionic thickener, preferably of the polyurethane type; and D) calendering at ambient temperature the cloth obtained from step C).

Description

technical field [0001] The present invention relates to a fabric made of natural, man-made or synthetic fibres, preferably a cloth made of cotton or viscose, especially suitable for printing by digital, preferably for paper and direct printing with HP INDIGO digital printers of labels / packages made of plastic, and a process for obtaining the fabric or cloth. [0002] More particularly, the invention relates to a cloth as defined above, suitably pretreated and then coated on the front side with a special layer formed of a specific mixture comprising acrylic resins, said layer Very receptive to liquid inks of digital printing presses and capable of imparting a higher (if not improved) degree of resolution of pictures and degrees of reproduction or artistic reproduction, vibrancy of colors and brightness of prints to prints comparable to Those obtained with digital printing on paper. [0003] Even more particularly, the present invention relates to a cloth as defined above, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P5/00D06P5/30D06P1/52
CPCD06P1/525D06P1/5285D06P3/60D06P5/002D06P5/30
Inventor F·博洛纳
Owner MFR DEL SEVESO