Kraft card production process
A production process and kraft card technology, applied in the field of pulping and papermaking, can solve the problems of single fiber raw material, easy tearing, low tearing index, etc., to improve physical strength and uniformity, improve waterproof ability, kappa value The effect of small changes
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Embodiment 1
[0022] A production process of a kraft card, comprising: using logs as raw materials, and obtaining base paper through cooking, bleaching, screening, beating, sizing, slag removal, online molding, pressing, drying, coiling and calendering. The beating is made by mixing oak, moso bamboo, dragon bamboo, cedar, cedar, iron tree and bagasse with a dry mass ratio of 20:10:10:20:30:10:15, respectively, and then mixing them to obtain a mixed pulp. The beating concentration of bamboo is 3%, the degree of beating is 28°SR, and the wet weight is 12g, the beating concentration of Moso bamboo is 3%, the degree of beating is 30°SR, and the wet weight is 14g, the beating concentration of dragon bamboo is 3%, the degree of beating is 32°SR, 15g wet weight, 3% cedar beating concentration, 29°SR beating degree, 12g wet weight, 3% cedar beating concentration, 29°SR beating degree, 13g wet weight, The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14...
Embodiment 2
[0032] A production process of a kraft card, comprising: using logs as raw materials, and obtaining base paper through cooking, bleaching, screening, beating, sizing, slag removal, online molding, pressing, drying, coiling and calendering. The beating is made by mixing oak, moso bamboo, dragon bamboo, cedar, cedar, iron tree and bagasse with a dry mass ratio of 40:20:20:40:50:20:15, respectively, and then mixing them to obtain a mixed pulp. The beating concentration of bamboo is 3%, the degree of beating is 28°SR, and the wet weight is 12g, the beating concentration of Moso bamboo is 3%, the degree of beating is 30°SR, and the wet weight is 14g, the beating concentration of dragon bamboo is 3%, the degree of beating is 32°SR, 15g wet weight, 3% cedar beating concentration, 29°SR beating degree, 12g wet weight, 3% cedar beating concentration, 29°SR beating degree, 13g wet weight, The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14...
Embodiment 3
[0042] A production process of a kraft card, comprising: using logs as raw materials, and obtaining base paper through cooking, bleaching, screening, beating, sizing, slag removal, online molding, pressing, drying, coiling and calendering. The beating is made by mixing oak, moso bamboo, dragon bamboo, cedar, cedar, cypress and bagasse with a dry mass ratio of 30:15:15:30:40:15:15, respectively, and then mixing them to obtain a mixed pulp. The beating concentration of bamboo is 3%, the degree of beating is 28°SR, and the wet weight is 12g, the beating concentration of Moso bamboo is 3%, the degree of beating is 30°SR, and the wet weight is 14g, the beating concentration of dragon bamboo is 3%, the degree of beating is 32°SR, 15g wet weight, 3% cedar beating concentration, 29°SR beating degree, 12g wet weight, 3% cedar beating concentration, 29°SR beating degree, 13g wet weight, The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14g,...
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