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Production method of waterproof corrugated carton

A technology for corrugated boxes and production methods, which is applied in the manufacture of papermaking, paper/cardboard containers, rigid/semi-rigid containers, etc. High qualified rate of finished products, low production cost and remarkable waterproof effect

Pending Publication Date: 2019-12-24
苏州市恒顺纸塑有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main component of corrugated cartons is paper fiber with strong water absorption, which is easy to be damp and impregnated with oil. When corrugated cartons are placed on the ground, if the ground accidentally accumulates water, the cartons will be damaged, which will easily cause a lot of cartons to be wasted. Seriously increased the user's cost of use
In addition, the method for producing corrugated cartons in the prior art is complicated in process and low in production efficiency. The corrugated cartons produced generally have high formaldehyde emission, are not easy to degrade, are not environmentally friendly, have complex structures, high costs, and poor thermal insulation effects. It is necessary to add an additional insulation layer, which takes up the packaging space and reduces the packaging capacity; the mechanical properties such as strength are poor, and it is easy to be damaged or torn. The knot effect is not good, the force is easy to fall off, the adhesive is easy to age, not waterproof, etc., the waterproof effect is poor; it is easy to absorb moisture, which greatly reduces the mechanical properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] Step S1, preparation of corrugated cardboard: according to the order of special paper for the surface layer of corrugated cardboard → reel paper for core paper → special paper for the surface layer of corrugated cardboard, put them on the original paper frame respectively, and each paper web is preheated by a preheater respectively, and rolled The water content of the tube layer is adjusted by the pre-conditioner, and then it enters the single-facer after being ironed, and is corrugated by the upper and lower corrugating rollers; the gap of the corrugated "V" structure is filled with desiccant; The special paper for the surface layer is bonded, enters the drying device of the double-sided unit, and is bonded and dried to obtain corrugated cardboard;

[0024] Step S2, waterproofing the surface of the corrugated cardboard: spray the waterproof paint evenly on the surface of the special paper for the surface of the corrugated cardboard, then place the corrugated cardboard i...

Embodiment 1

[0032] This example provides a kind of production method of waterproof corrugated box, it is characterized in that, comprises the steps:

[0033] Step S1, preparation of corrugated cardboard: according to the order of special paper for the surface layer of corrugated cardboard → reel paper for core paper → special paper for the surface layer of corrugated cardboard, put them on the original paper frame respectively, and each paper web is preheated by a preheater respectively, and rolled The water content of the tube layer is adjusted by the pre-conditioner, and then it enters the single-facer after being ironed, and is corrugated by the upper and lower corrugating rollers; the gap of the corrugated "V" structure is filled with desiccant; The special paper for the surface layer is bonded, enters the drying device of the double-sided unit, and is bonded and dried to obtain corrugated cardboard;

[0034] Step S2, waterproofing the surface of the corrugated cardboard: spray the wa...

Embodiment 2

[0042] This example provides a production method of a waterproof corrugated box, which is basically the same as that in Example 1, except that the desiccant is made of the following raw materials in parts by weight: 23 parts of calcium oxide, 6 parts of illite powder , 5 parts of diatomaceous earth; The adhesive is made by mixing uniformly the following components by weight: 2,4,6-tris(oxirane-2-ylmethoxy)-1,3 , 3 parts of 5-triazine, 1.5 parts of benzonitrile, 0.7 parts of hyperbranched polysiloxane, 11 parts of vinyl epoxy resin, 8.5 parts of ethylene-vinyl acetate copolymer, 0.4 parts of full aminobeta cyclodextrin, 6.5 parts of water, 11 parts of silicon dioxide, 0.15 parts of ammonium persulfate.

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Abstract

The invention relates to a production method of a waterproof corrugated carton. The method is characterized by comprising the following steps of S1, preparing a corrugated board; S2, carrying out waterproof treatment on a surface layer of the corrugated board; and S3, carrying out die cutting, mark pressing and carton nailing / carton gluing on the waterproof treated corrugated board prepared in theS2, and then the waterproof corrugated carton is obtained. The invention further discloses the waterproof corrugated carton produced according to the production method of the waterproof corrugated carton. The production method of the waterproof corrugated carton is simple and feasible in process, low in production cost, good in production efficiency, and high in finished product qualification rate; and the produced waterproof corrugated carton is remarkable in waterproof effect and large in mechanical strength.

Description

technical field [0001] The invention relates to the technical field of carton production, in particular to a production method of waterproof corrugated cartons. Background technique [0002] At present, corrugated cartons have become the main supplies in the packaging industry, whether in industrial products, daily necessities or agricultural products. High-quality printing can be used as a renewable resource after recycling, so it can be used more and more widely. [0003] Corrugated cardboard is die-cut, creasing, nailed or glued to make corrugated boxes. At present, the commonly used corrugated cartons on the market are face paper, corrugated paper and inner paper from outside to inside, and the corrugated paper has a "V"-shaped wave structure. The main component of corrugated cartons is paper fiber with strong water absorption, which is easy to be damp and impregnated with oil. When corrugated cartons are placed on the ground, if the ground accidentally accumulates wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B31F1/20B31B50/20B31B50/25B31B50/62B31B50/68B31B50/74
CPCB31F1/20B31B50/20B31B50/252B31B50/62B31B50/68B31B50/74
Inventor 计巧元尤建明
Owner 苏州市恒顺纸塑有限公司
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