Preparation process of bleaching pulp for production of high-strength corrugated paper
A preparation process and technology for corrugated paper, applied in pulp beating/refining method, non-woody plant/crop pulp, paper, etc., can solve the problems of long fracture and low ring pressure index of high-strength corrugated paper, reduce pollution and improve economy effect of benefit
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Embodiment 1
[0033] A method for preparing high-strength corrugated paper produced by a bleaching process, comprising the following steps:
[0034] S1: Grinding the bagasse, and transporting the obtained pulverized product into the primary treatment liquid, the weight ratio of the bagasse pulverized product to the primary treatment liquid is 1:1.3, and the primary treatment liquid is in parts by weight , including the following raw materials: 8 parts of stearamide, 5 parts of fatty alcohol polyoxyethylene ether, 1.5 parts of sodium dodecylbenzenesulfonate, 2.4 parts of sodium alkyl succinate sulfonate, 0.1 part of cellulase, 70 parts of water Parts were soaked for 30 minutes at an ultrasonic power of 80W and a temperature of 40°C, and then filtered to obtain the impregnated material a;
[0035] S2: Transport the immersion material a prepared in step S1 to the secondary treatment liquid, the weight ratio of the immersion material a to the secondary treatment liquid is 1:4.5, and the seconda...
Embodiment 2
[0039] A method for preparing high-strength corrugated paper produced by a bleaching process, comprising the following steps:
[0040] S1: Grinding the bagasse, and transporting the obtained pulverized product to the primary treatment liquid, the weight ratio of the bagasse pulverized product to the primary treatment liquid is 1:4, and the primary treatment liquid is in parts by weight , including the following raw materials: 12 parts of stearamide, 9 parts of fatty alcohol polyoxyethylene ether, 2.5 parts of sodium dodecylbenzenesulfonate, 4.5 parts of sodium alkyl succinate sulfonate, 0.2 part of cellulase, 160 parts of water , soaking for 20 minutes at an ultrasonic power of 120W and a temperature of 50°C, and then filtering to obtain the impregnated material a;
[0041] S2: Transport the immersion material a prepared in step S1 to the secondary treatment liquid, the weight ratio of the immersion material a to the secondary treatment liquid is 1:12.6, and the secondary trea...
Embodiment 3
[0045] A method for preparing high-strength corrugated paper produced by a bleaching process, comprising the following steps:
[0046] S1: Grinding the bagasse, and conveying the obtained pulverized product to the primary treatment liquid, the weight ratio of the bagasse pulverized product to the primary treatment liquid is 1:3, and the primary treatment liquid is in parts by weight , including the following raw materials: 10 parts of stearamide, 8 parts of fatty alcohol polyoxyethylene ether, 2 parts of sodium dodecylbenzenesulfonate, 3.5 parts of sodium alkyl succinate sulfonate, 0.1 part of cellulase, 120 parts of water , soaking for 25 minutes at an ultrasonic power of 100W and a temperature of 45°C, and then filtering to obtain the impregnated material a;
[0047] S2: Transport the immersion material a prepared in step S1 to the secondary treatment liquid, the weight ratio of the immersion material a to the secondary treatment liquid is 1:8, and the secondary treatment li...
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