Kraft paper production process
A production process and technology of kraft paper, applied in the field of pulp and paper making, can solve the problems of single fiber raw material, low tear index, easy to tear, etc., achieve good hydrophobic effect, small change range of Kappa value, improve physical strength and The effect of paper evenness
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Embodiment 1
[0023] A production process of kraft paper, comprising: using logs as raw materials, cooking, bleaching, screening, beating, sizing, slag removal, forming on the net, pressing, drying, coiling and calendering to obtain base paper, the beating of the logs The mixed pulp obtained is obtained by mixing oak, birch, fir, camphor, masson pine, iron tree and bagasse with a dry mass ratio of 20:10:20:10:40:10:25 after beating respectively. The beating concentration of oak is 3%, the beating degree is 28°SR, and the wet weight is 12g, the beating concentration of birch is 3%, the beating degree is 30°SR, and the wet weight is 14g, the beating concentration of cedar is 3%, beating The beating concentration of camphor tree is 3%, the beating degree is 32°SR, and the wet weight is 15g, the beating concentration of masson pine is 3%, the beating degree is 29°SR, and the wet weight The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14g, and the ...
Embodiment 2
[0034]A production process of kraft paper, comprising: using logs as raw materials, cooking, bleaching, screening, beating, sizing, slag removal, forming on the net, pressing, drying, coiling and calendering to obtain base paper, the beating of the logs The mixed pulp obtained is obtained by mixing oak, birch, fir, camphor, masson pine, iron tree and bagasse with a dry mass ratio of 40:20:40:20:60:20:25 after beating respectively. The beating concentration of oak is 3%, the beating degree is 28°SR, and the wet weight is 12g, the beating concentration of birch is 3%, the beating degree is 30°SR, and the wet weight is 14g, the beating concentration of cedar is 3%, beating The beating concentration of camphor tree is 3%, the beating degree is 32°SR, and the wet weight is 15g, the beating concentration of masson pine is 3%, the beating degree is 29°SR, and the wet weight The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14g, and the b...
Embodiment 3
[0045] A production process of kraft paper, comprising: using logs as raw materials, cooking, bleaching, screening, beating, sizing, slag removal, forming on the net, pressing, drying, coiling and calendering to obtain base paper, the beating of the logs The mixed pulp obtained is obtained by mixing oak, birch, fir, camphor, masson pine, iron tree and bagasse with a dry mass ratio of 30:15:30:15:50:15:25 after beating respectively. The beating concentration of oak is 3%, the beating degree is 28°SR, and the wet weight is 12g, the beating concentration of birch is 3%, the beating degree is 30°SR, and the wet weight is 14g, the beating concentration of cedar is 3%, beating The beating concentration of camphor tree is 3%, the beating degree is 32°SR, and the wet weight is 15g, the beating concentration of masson pine is 3%, the beating degree is 29°SR, and the wet weight The beating concentration of iron tree is 3%, the beating degree is 28°SR, and the wet weight is 14g, and the ...
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