Silk ink-jetting printing paper and its production
A printing paper and mercerizing technology, applied in the direction of copying/marking, papermaking, printing, etc., can solve the problems of high image brightness, dull image, no coated paper, etc., and achieve the effect of printing more images and reducing costs.
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Embodiment 1
[0034] (1) Coating liquid composition weight percent (wt%)
[0035] Nanoscale silica 13
[0036] Micron-sized silica 6
[0037] Polyvinyl alcohol 2
[0038] Styrene-acrylate emulsion 1.2
[0039] Fixing agent (P105G) 4
[0040] Brightener (VBL) 0.1
[0041] Dispersant polyvinylpyrrolidone 0.2
[0042] Plasticizer glycerin 0.3
[0044] Deionized water 73
[0045] (2) Coating process
[0046] Coating liquid viscosity: 300mpa.s
[0047] Coating amount: solid content, 12g / m 2
[0048] Coating method: air knife coating method
[0049] Drying conditions: hot air drying at 100°C.
[0050] (3) Calendering process (paper finishing)
[0051] The moisture content of the feed paper is 10%, the temperature of the first nip calender roll is 110°C, and the line pressure is 70kg / cm; the temperature of the second nip calender roll is 100°C, and the line pressure is 150kg / cm; the third nip calender roll adopts The water temperature of the circulating...
Embodiment 2
[0053] (1) Coating liquid composition weight percent (wt%)
[0054] Nanoscale silica 12
[0055] Micron-sized silica 12
[0056] Polyvinyl alcohol 1.5
[0057]Styrene-acrylate emulsion 1.7
[0058] Fixing agent (P105G) 2.2
[0059] Brightener (VBL) 0.15
[0060] Dispersant polyvinylpyrrolidone 0.2
[0061] Plasticizer glycerin 0.25
[0063] Deionized water 70
[0064] (2) Coating process
[0065] Coating liquid viscosity: 500mpa.s
[0066] Coating amount: solid content, 7g / m 2
[0067] Coating method: wave flow extrusion coating method
[0068] Drying conditions: hot air drying at 100°C.
[0069] (3) Calendering process (paper finishing)
[0070] The moisture content of the feed paper is 12%, the temperature of the calender rolls in the first nip is 110°C, the linear pressure is 50kg / cm, the temperature of the calender rolls in the second nip is 80°C, and the linear pressure is 150kg / cm, and the calender rolls in the third nip adopt...
Embodiment 3
[0072] (1) Coating liquid composition weight percent (wt%)
[0073] Nanoscale silica 18
[0074] Micron-sized silica 5
[0075] Polyvinyl alcohol 2.5
[0076] Styrene-Acrylic Emulsion 1.0
[0077] Fixing agent (P105G) 3.2
[0078] Brightener (VBL) 0.2
[0079] Dispersant polyvinylpyrrolidone 0.3
[0080] Plasticizer glycerin 0.5
[0082] Deionized water 69
[0083] (2) Coating process
[0084] Coating liquid viscosity: 800mpa.s
[0085] Coating amount: solid content, 10g / m 2
[0086] Coating method: wave flow extrusion coating method
[0087] Drying conditions: hot air drying at 100°C.
[0088] (3) Calendering process (paper finishing)
[0089] The moisture content of the feed paper is 15%, the temperature of the first nip calender roll is 130°C, and the line pressure is 80kg / cm; the temperature of the second nip calender roll is 90°C, and the line pressure is 110kg / cm; the third nip calender roll adopts The water temperature of the...
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