A kind of cake base paper and its production process
A production process and paper support technology, which is applied in papermaking, paper coating, papermaking machines, etc., can solve the problems of poor separation effect, electrostatic surface, roughness, etc., and achieve the effect of increasing conductivity, flat surface and reasonable formula
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Embodiment 1
[0033] A kind of cake base paper, the slurry of the cake base paper includes 15% virgin softwood pulp and 85% virgin hardwood pulp, the beating concentration of the softwood pulp is 4.5%, and the beating degree is 40oSR, so The beating concentration of said hardwood pulp is 3.5%, and the degree of beating is 35°SR.
[0034] The quantification of the cake paper base paper is 30g / m 2 , the smoothness is 40s.
[0035] The production technology of above-mentioned cake paper holder base paper (its flow chart sees figure 1 ), including the following steps:
[0036] (1) Firstly, the original coniferous wood pulp and hardwood pulp are pulped in a pulper according to a certain concentration, and beaten by double disc refiners. The beating degree of softwood pulp is 30-40°SR, and the beating degree of hardwood pulp is 25~35°SR;
[0037] (2) Add softwood pulp and hardwood pulp in proportion to the pulp mixing tank, mix evenly, and then transfer to the pulp forming tank;
[0038] (3)...
Embodiment 2
[0048] A kind of cake paper support base paper, the slurry of described cake paper support base paper comprises: 20% primary coniferous wood pulp and 80% primary hardwood pulp, and described coniferous wood pulp beating concentration is 5%, and beating degree is 35 ° SR, the beating concentration of the hardwood pulp is 4.0%, and the beating degree is 30°SR.
[0049] The quantification of the cake paper base paper is 40g / m 2 , the smoothness is 60s.
[0050] The production technology of above-mentioned cake paper support base paper, comprises the steps:
[0051] (1) Firstly, primary coniferous wood pulp and hardwood pulp are pulped in a pulper according to a certain concentration, and beating through double-disc mills;
[0052] (2) Add softwood pulp and hardwood pulp in proportion to the pulp mixing tank, mix evenly, and then transfer to the pulp forming tank;
[0053] (3) Then through the air-cushion headbox, the slurry is distributed on the net, and the wiper, vacuum box,...
Embodiment 3
[0063] A kind of cake base paper, the slurry of the cake base paper includes 30% virgin softwood pulp and 70% virgin hardwood pulp, the beating concentration of the softwood pulp is 5.5%, and the beating degree is 40oSR, so The beating concentration of said hardwood pulp is 4.5%, and the degree of beating is 35°SR.
[0064] The quantification of the cake paper base paper is 45g / m 2 , the smoothness is 20s.
[0065] The production technology of above-mentioned cake paper support base paper, comprises the steps:
[0066] (1) Firstly, the primary coniferous wood pulp and hardwood pulp are pulped in a pulper according to a certain concentration, and beaten by double disc mills.
[0067] (2) Add softwood pulp and hardwood pulp in proportion to the pulp mixing tank, mix evenly, and then transfer to the pulp forming tank;
[0068] (3) Then through the air-cushion headbox, the slurry is distributed on the net, and the wiper, vacuum box, vacuum couch roll and transfer vacuum roll ar...
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