High-water-resistance thermal paper and preparation method thereof
A technology of thermal paper and performance, applied in the field of papermaking, can solve the problems affecting the use of paper, and achieve the effect of excellent water resistance and high preservation rate
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[0043] Example 1
[0044] A thermal paper with high water resistance, including a base paper layer, a primer layer, a thermal layer, and a protective layer;
[0045] The base coat is: 100 parts of filler, 15 parts of adhesive, 50 parts of plastic pigment;
[0046] Heat-sensitive layer: 100 parts of filler, 150 parts of color developer dispersion, 100 parts of sensitizer dispersion, 25 parts of new adhesive, 50 parts of crosslinking agent, 20 parts of lubricant, 30 parts of dye dispersion;
[0047] Protective layer: 100 parts of filler, 100 parts of adhesive, 30 parts of cross-linking agent.
[0048] The new adhesive in the heat-sensitive layer is modified polyvinyl alcohol.
[0049] The grinding conditions for the color developer dispersion of the thermal layer are: 40 parts of color developer and 3 parts of polyvinyl alcohol, mixed to prepare a color developer dispersion with a concentration of 40% to 50%, and grind to 0.3 to 0.3 in a wet grinder. 1.5 microns;
[0050] The grinding conditi
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