Textured base paper dipping production technology
A production process, textured technology, applied in the direction of paper, papermaking, textiles and papermaking, etc., to achieve the effect of good softness and extensibility, high strength, and good bonding strength
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[0024] Wood pulp ratio: Beimu 50% + Golden Lion 50%. This ratio is used to decompose the wood pulp through the pulping equipment (hydraulic pulper). The beating degree is 40°SR, the wet weight is 6g, and the beating concentration is 3.5%. The prepared pulp is pumped into the pulping tank for pulping.
[0025] The mixing steps are specifically:
[0026] (1) Add water to polyvinyl alcohol (PVA) powder and fully swell the PVA.
[0027] The swelling temperature of the PVA powder is 30-50° C., and the particle diameter is 0.001-0.20 mm. In this step, PVA powder and water can be mixed into a solution, wherein the mass percent concentration of PVA in the solution is 0.5% to 1.0%, and the temperature of the solution is controlled at 45 to 50°C and kept stirring, and the stirring time is 0.5 to 5 hours .
[0028] (2) Add the fully swollen PVA to the slurry.
[0029] Specifically, this step can be the section of PVA in the pulp line process from the loose pulp to the head box (sludg...
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