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Film-coated base paper and production process thereof

A technology of coated base paper and production process, which is applied in the field of papermaking, can solve the problems of production cost of added products and large material consumption, and achieve the effects of reduced production cost, high stiffness, and good edge seepage effect

Active Publication Date: 2015-11-11
河南新亚新科技包装材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, in the prior art, the hardwood and softwood pulp materials used in the coating base paper are relatively large, which has increased the production cost of the product.

Method used

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  • Film-coated base paper and production process thereof
  • Film-coated base paper and production process thereof
  • Film-coated base paper and production process thereof

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 Shown, a kind of coated base paper production process of the present invention is characterized in that, obtain coated base paper core layer pulp with chemical-mechanical pulp, coniferous pulp, broadleaf pulp and broke pulp proportioning; The surface layer slurry is obtained by proportioning; and the surface layer slurry is obtained by the ratio of softwood pulp and broadleaf pulp; the three parts of slurry enter the headbox through quantitative pumps, and then enter the three-layer compounding of the net part through the net part, and then After pressing, drying, sizing, drying and calendering in sequence, the finished product is obtained.

[0023] The further improvement of the present invention includes: the concentration of the surface layer slurry is 2.5-3.0%, the degree of knocking is 27-33°SR, and the wet weight is not less than 3g; th...

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Abstract

The invention discloses film-coated base paper and a production process thereof. The process comprises the steps: mixing chemi-mechanical pulp, needle leave pulp, broad leave pulp and waste stuff to obtain film-coated base paper core layer pulp; mixing the needle leave pulp and broad leave pulp to obtain a surface layer pulp; mixing the needle leave pulp and the broad leave pulp to obtain surface layer pulp bottom layer pulp; facilitating the three parts of pulp to enter a pulp flow box by virtue of a quantization pump and then enter a net part to be composited, and then sequentially squeezing, drying, gluing, drying, press polishing to obtain a finished product. On the premise of guaranteeing the product quality, by improving the pulp proportion and the process, the waste stuff is added into the traditional process formula, so that the use amount of the chemi-mechanical pulp can be increased, the use amount of the broad leave pulp and the needle leave pulp can be reduced, and particularly the use amount of imported pulp can be reduced.

Description

technical field [0001] The invention relates to papermaking technology, in particular to a coated base paper and a production process thereof. Background technique [0002] Laminated base paper is a kind of cardboard specially used for laminating cups. It has high stiffness and high water resistance, and is generally not coated. Coating (and printing) is carried out on the coated base paper, and then used to make coated paper for containing and storing liquids. Paper bowls for instant noodles also belong to the category of coated paper. Coated paper is a kind of liquid wrapping paper. It takes a relatively short time to use after containing the liquid, usually tens of minutes to a week. According to the use requirements of the coated base paper, it needs to have properties such as water resistance, oil resistance, lactic acid resistance, and hydrogen peroxide resistance. Its small edge requires more penetration than other liquid wrappers. [0003] With the improvement of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F11/00D21H15/10D21H17/66D21H17/62D21H21/20
CPCD21F11/00D21H15/10D21H17/62D21H17/66D21H21/20
Inventor 宋敬志王少光秦宝石李高峰李运方李永恒薛利学夏传涛李治军
Owner 河南新亚新科技包装材料有限公司
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