Energy-saving and environment-friendly corrugated paperboard production technology

A technology for corrugated cardboard and production process, applied in the field of corrugated cardboard manufacturing, can solve the problems of increased resources, energy consumption, decreased strength of cardboard, increased material usage, etc., and achieves the effects of energy conservation and environmental protection in the production process, improved mechanical strength, and increased usage.

Active Publication Date: 2020-04-10
厦门世凯威包装工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As an environmentally friendly packaging material, corrugated cardboard comes from its 100% recyclable recycling. However, as the number of fibers in corrugated cardboard increases, the content of recycled fibers in corrugated cardboard increases, which will lead to a decrease in the strength of the produced cardboard. In order to meet the strength requirements of cartons, it is usually necessary to use high-weight paper for corrugated paper production. Although the strength has been improved, the resources and energy consumption of corrugated cardboard production will increase accordingly. Increased weight, increased material usage, increased material costs and express transportation costs

Method used

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  • Energy-saving and environment-friendly corrugated paperboard production technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An energy-saving and environment-friendly corrugated cardboard production process, comprising the following steps:

[0029] S1. Paint configuration, the specific steps are as follows:

[0030] S11. In parts by weight, add 100KG of deionized water to the paint preparation barrel, start the mixer to stir at a speed of 600rpm / min, and slowly add 0.6KG of cationic starch for 25 minutes to make the cationic starch in the deionized water Fully disperse to obtain cationic starch dispersion;

[0031] S12. Continue stirring at a speed of 600rpm / min in the dispersion obtained in step S11, and add 0.015KG of nanocrystalline cellulose suspension, and stir for 20 minutes to obtain a mixed dispersion of cationic starch and nanocrystalline cellulose;

[0032] S13. Ultrasonic treatment of the dispersion liquid obtained in step S12 for 30 minutes, with an ultrasonic treatment power of 1000w;

[0033] S14. Heating, stirring, and gelatinizing the ultrasonically treated dispersion in ste...

Embodiment 2

[0043] like figure 2 As shown, this embodiment adopts the coating formula and production process of Embodiment 1, the difference is: in this embodiment, the coating of the above-mentioned configuration is sprayed on both sides of the surface paper 1, the core paper 2 and the inner paper 3 by the spraying device. The front and back surfaces, the side where the top paper 1 and the inner paper 3 will be combined with the core paper 2 is defined as the back side, and the amount of spraying on the front side is 20g / m 2 , the amount of spraying on the reverse side is 15g / m 2 , so as to form a reinforced coating 4 on the front and back of the base paper, so that the tensile strength of the base paper with the reinforced coating 4 will be improved by nearly 15Nm / g than that of the base paper not coated with the reinforced coating 4, and then pass The adhesive glues the core paper 2 between the face paper 1 and the back paper 3, thereby forming the cardboard 100 formed by the product...

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PUM

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Abstract

The invention discloses an energy-saving and environment-friendly corrugated paperboard production technology. The technology includes the following steps of S1, paint preparation, S2, raw paper mounting, S3, paint spraying, S4, raw paper preheating, S5, core paper forming, S6, gluing and compounding, S7, drying and shaping, and S8, forming. According to the technology, reinforcing coatings are sprayed on the surface of surface paper, the surface of core paper and the surface of inner paper respectively, and then gluing and compounding are carried out to obtain a corrugated paperboard. Under the combined action of active ingredient cationic starch and nanocrystalline cellulose of the reinforcing coatings, the strength of the obtained corrugated paperboard is higher than that of corrugatedpaperboard which has the same gram weight and is not processed with the reinforcing coatings, and therefore the mechanical strength of the raw paper large in recycled fiber amount is well improved. The consumption of recycled fiber is increased, the consumption of new fiber materials is reduced, meanwhile, paint in use is water-based paint, components come from renewable plant raw materials, and therefore the production technology of the corrugated paperboard saves more energy and is more environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of corrugated cardboard manufacturing, and in particular relates to an energy-saving and environment-friendly corrugated cardboard production process. Background technique [0002] Corrugated packaging refers to packaging boxes that are formed by folding and gluing corrugated cardboard. It has many advantages such as environmental protection, easy recycling, and easy processing and molding. With the rapid development of e-commerce and the express delivery industry, the consumption of express packaging has increased rapidly, and the demand for corrugated packaging and corrugated cardboard has also increased rapidly, so the related raw materials and energy consumption have also increased accordingly. As an environmentally friendly packaging material, corrugated cardboard comes from its 100% recyclable recycling. However, as the number of fibers in corrugated cardboard increases, the content of recycled fibers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B31F1/20D21H27/40D21H23/50D21H25/06
CPCB31F1/20D21H27/40D21H23/50D21H25/06Y02W90/10
Inventor 刘武李红俊倪玄薛影
Owner 厦门世凯威包装工业有限公司
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