Base paper of paper yarn for textile and preparation technique
A preparation process and paper thread technology, which is applied in the field of textile paper thread base paper production, can solve problems such as product yellowing and affecting product appearance
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[0025] 1. The raw material formula of the present invention: bleached softwood kraft pulp board accounts for 70%, hemp pulp or bamboo pulp accounts for 25%, and water-soluble fiber (ie synthetic fiber) accounts for 5%.
[0026] 2. The preparation process is shown in the figure: it is realized according to the following procedures:
[0027] (1) Bleached softwood kraft pulp board and water-soluble fiber enter the transition tank after being beaten by a hydraulic pulper. The pulp of the hydraulic pulper must be crushed so that the degree of tapping of the pulp reaches more than 60%, and then it is pumped into a double-disc mill for grinding. , The ground material enters the mixing tank, and the hemp pulp or / and bamboo pulp is added to the mixing tank at the same time;
[0028] (2) All materials in the slurry tank are pumped into the grit plate through the slurry tank, and the dispersant is added to the grit plate; the dispersant is composed of polyacrylamide, and the added amount acc...
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