Paper making method with pulp and product of high-surface-intensity offset printing paper
A technology of offset printing paper and high surface, which is applied in the field of offset printing paper, can solve the problems that the retention affects the application effect of fillers, and the retention rate of fillers is low, so as to protect the ecological environment, use resources efficiently, and improve the retention of fillers. The effect of reducing the cost of paper making
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[0027] Example 1 Preparation of offset printing paper
[0028] 1. Preparation of surface sizing agent:
[0029] (1) Weigh the following components according to the mass percentage: 2.0% oxidized starch, 1.0% polyvinyl alcohol, 0.01% AKD, and the rest is water; (2) Mix the components in water thoroughly and stir evenly, Immediately.
[0030] 2. Preparation of offset printing paper
[0031] 1) Add 55% porous calcium silicate relative to the mass percentage of the bone-dry mixed wood pulp fiber to the mixed wood pulp fiber and mix, adjust the slurry concentration to 10%, and process it in a refiner or PFI mill until it is obtained Mixed slurry with a beating degree of 48°SR;
[0032] 2) Add cationic starch, AKD and polyacrylamide in sequence to the mixed slurry obtained in step 1). The addition amount of cationic starch is 15kg / ton paper, the addition amount of AKD is 2kg / ton paper, and the addition amount of polyacrylamide is 0.3kg / ton. paper;
[0033] 3) Use the pulp prepared in step 2...
Example Embodiment
[0035] Example 2 Preparation of offset printing paper
[0036] 1. Preparation of surface sizing agent:
[0037] (1) Weigh the following components according to the mass percentage: 2.5% potato starch, 0.5% polyvinyl alcohol, 0.01% AKD, and the rest is water; (2) Mix the components thoroughly in water and stir evenly. Immediately.
[0038] 2. Preparation of offset printing paper
[0039] 1) Add 25% porous calcium silicate relative to the absolute dry fiber mass percentage to the wood pulp fiber and mix, adjust the slurry concentration to 15%, and process it in a refiner or PFI mill until the beating degree is 48 °SR mixed slurry.
[0040] 2) Add cationic starch, AKD and polyacrylamide to the mixed slurry obtained in step 1) in sequence. The addition amount of cationic starch is 10kg / ton paper, the addition amount of AKD is 0.5kg / ton paper, and the addition amount of polyacrylamide is 0.5kg / ton. Tons of paper.
[0041] 3) Use the pulp prepared in step 2) to make paper, press and dry to ...
Example Embodiment
[0043] Example 3 Preparation of offset printing paper
[0044] 1. Preparation of surface sizing agent:
[0045] (1) Weigh the following components according to the mass percentage: 1.5% cationic starch, 0.5% polyvinyl alcohol, 0.003% AKD, and the rest is water; (2) Mix the components thoroughly in water and stir evenly, Immediately.
[0046] 2. Preparation of offset printing paper
[0047] 1) Add 35% porous calcium silicate relative to the absolute dry fiber mass percentage to the wood pulp fiber and mix, adjust the slurry concentration to 25%, and treat it in a refiner or PFI mill until the beating degree is 50 °SR mixed slurry.
[0048] 2) Add cationic starch, AKD and polyacrylamide to the mixed slurry obtained in step 1) in sequence. The addition amount of cationic starch is 1kg / ton paper, the addition amount of AKD is 0.5kg / ton paper, and the addition amount of polyacrylamide is 0.1kg / ton. Tons of paper.
[0049] 3) Use the pulp prepared in step 2) to make paper, press and dry to ...
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