Author：Baby & Adult Diaper Materials FROM：Diaper Materials Manufacturer TIME：2023-02-15
According to the national unified classification standard, there are 24 kinds of tissue paper, and carrier tissue is one of them. The field of supplies plays an irreplaceable role. This paper mainly clarifies the technological scheme of carrier tissue.
Regarding the slurry ratio of the carrier tissue, after analyzing the physical properties of the base paper produced with different ratios of softwood pulp and hardwood pulp, according to the characteristics of the paper machine and the control of production conditions, the final determination of the ratio of softwood pulp and hardwood pulp The ratio is 7:3.
Regarding the beating process of carrier tissue, generally speaking, the uniformity and tensile strength of the base paper are related to the beating quality. In order to obtain good uniformity, reduce the cutting effect on fibers, and improve the tensile strength of the base paper, three double-disc mills are used in series to refine the pulp. 37°SR, fiber wet weight 5.5-7.0 g.
The quantitative control must be strictly controlled during production. The quantitative size is closely related to the concentration of the Internet, the sizing pressure, the stability of the flow and the size of the weir plate opening. The main factors affecting the dry and wet tensile strength of base paper are pulp beating degree, the ratio of softwood pulp to hardwood pulp and the dosage of wet strength agent. Therefore, formulating a suitable beating degree, controlling the quantitative, high softwood pulp ratio and the amount of wet strength agent in the production process are the prerequisites to ensure the dry and wet tensile strength of the base paper. The basis weight size also affects the air permeability. At the same time, the selection of forming mesh is also closely related to the air permeability. In the actual production process, the dust level is the focus of sanitary liner control. The control of dust degree is inseparable from the degree of cleanliness in the production process. The washing cycle, the selection of recycled waste paper, the rational use of bactericides, and the regular washing of the pulp in the production process must be well controlled. These aspects If there is a mistake, the dust will appear.
With the rapid development of my country's household paper industry, related technologies and research and development have been paid more and more attention by all parties in the paper industry. Carrier tissue is a type of household paper that wraps the absorbent core layer of sanitary napkins, diapers and other sanitary products.
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