Production method of tipping base cigarette paper with high natural air permeability
A technology for cigarette tipping paper and production method, which is applied in the directions of paper, paper making, paper making machine, etc., can solve the problems of high cost and low production efficiency, reduce production cost, improve production efficiency, and achieve good ink leveling effect. Effect
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Embodiment 1
[0023] In this example, a low-concentration beating method is adopted, and the eucalyptus pulp and Spanish straw pulp are knocked lightly (low beating specific pressure) to minimize the effect of fiber separation and brooming, so that the base paper has good natural porosity ; For coniferous wood pulp, the beating method of first swelling and then beating is adopted, so that the long fiber can obtain a certain broom effect, and more hydroxyl groups can be freed, and the bonding strength with the short fiber can be improved to meet the high natural air permeability and good bonding strength. double requirements.
[0024] The beating section adopts double disc mills for continuous beating, the beating concentration of coniferous wood pulp is 3.8%, and the beating degree is guaranteed to be 66-68% 0 Between SR; the beating concentration of eucalyptus pulp is 3.6%, and the beating degree is guaranteed to be 20-22 0 Between SR; the beating concentration of Spanish straw pulp is 3....
Embodiment 2
[0032] Softwood pulp, eucalyptus pulp and Spanish grass pulp were mixed in a ratio of 50% by weight: 30%: 20%, and the rest were the same as in Example 1. The finished cigarette tipping paper base paper produced in this embodiment has a natural air permeability of 70-80.
Embodiment 3
[0034] Coniferous wood pulp, eucalyptus pulp and Spanish grass pulp were mixed in a ratio of 60% by weight: 30%: 10%, and the rest were the same as in Example 1. The finished cigarette tipping paper base paper produced in this embodiment has a natural air permeability of 60-75.
[0035] The inspection method for base paper of tipping paper for cigarettes with high natural air permeability shall be carried out in accordance with the following standard methods:
[0036] YC / T 172 Determination of air permeability of cigarette paper, forming paper, tipping paper and materials with directional air-permeable bands (YC / T 172-2002, ISO 2965: IDT)
[0037] GB / T 456 Determination of paper and cardboard smoothness (Buick method) (GB / T 456-2002, idt ISO 5627: 1995)
[0038] GB / T 1540 Paper and board - Determination of water absorption (Cobb method) (GB / T 1540-2002, neq ISO 535: 1991)
[0039] GB / T 12914-2008 Paper and board - Determination of tensile strength (ISO 1924-1:1992, MOD; ISO 19...
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