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Backing adhesive material for controlling evenness of paper sheets and application method of backing adhesive material

An application method and flatness technology, which is applied in the field of adhesive materials, can solve the problems of curled surface and unevenness of paper, and achieve the effect of solving curl, low cost and high applicability

Active Publication Date: 2019-03-01
上海睿途新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that the existing adhesive material and its feeding method easily cause curling and uneven surface of the paper, the invention provides the adhesive material for controlling the flatness of the paper, its application and its use method

Method used

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  • Backing adhesive material for controlling evenness of paper sheets and application method of backing adhesive material
  • Backing adhesive material for controlling evenness of paper sheets and application method of backing adhesive material
  • Backing adhesive material for controlling evenness of paper sheets and application method of backing adhesive material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment provides a kind of adhesive material for controlling paper flatness, by mass percentage, the raw material of adhesive material comprises:

[0029]

[0030] In this embodiment, natural latex and polar functional groups are grafted; auxiliary agents include defoamers, preservatives and thickeners; the mass ratio of thickeners to auxiliary agents is 1:9; by mass percentage, except Ketone additives include: ethanolamine 60%, dimethylbiguanide 30%, propylenediamine and citric acid 10%.

[0031] According to the above-mentioned raw material proportioning, the present embodiment provides a kind of feeding process of the adhesive material of controlling the flatness of paper, comprising the following steps:

[0032] Step 1. Laminate the transfer cardboard on the laminating machine. The laminating speed is 130m / min. During the laminating process, it passes through four stages of ovens.

[0033] Step 2: After the lamination is completed, roll up the transfer cardbo...

Embodiment 2

[0037] The embodiment of the present invention provides a kind of adhesive material for controlling the flatness of paper. In terms of mass percentage, the raw materials of the adhesive material include:

[0038]

[0039] In this embodiment, natural latex and polar functional groups have been grafted; auxiliary agents include defoamers, preservatives and thickeners; the mass ratio of thickeners to auxiliary agents is 3:16; Additives include: ethanolamine 50%, dimethylbiguanide 30%, propylenediamine and citric acid 20%.

[0040] According to the above-mentioned raw material proportioning, the present embodiment provides a kind of feeding process of the adhesive material of controlling the flatness of paper, comprising the following steps:

[0041] Step 1. Laminate the transfer cardboard on the laminating machine. The laminating speed is 130m / min. During the laminating process, it passes through four stages of ovens.

[0042] Step 2: After the lamination is completed, roll u...

Embodiment 3

[0047] The embodiment of the present invention provides a kind of adhesive material for controlling the flatness of paper. In terms of mass percentage, the raw materials of the adhesive material include:

[0048]

[0049]

[0050] In this embodiment, natural latex and polar functional groups have been grafted; auxiliary agents include defoamers, preservatives and thickeners; the mass ratio of thickeners to auxiliary agents is 3:16; Additives include: ethanolamine 30%, dimethylbiguanide 35%, propylenediamine and citric acid 35%.

[0051] According to the above-mentioned raw material proportioning, the present embodiment provides a kind of feeding process of the adhesive material of controlling the flatness of paper, comprising the following steps:

[0052] Step 1. Laminate the transfer cardboard on the laminating machine. The laminating speed is 130m / min. During the laminating process, it passes through four stages of ovens.

[0053] Step 2: After the lamination is compl...

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PUM

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Abstract

The invention provides a backing adhesive material for controlling the evenness of paper sheets and an application method of the backing adhesive material. The backing adhesive material is prepared from the following raw materials: styrene-acrylic copolymerized emulsion, self-crosslinking acrylic acid, sodium alginate, calcium chloride, a ketone removing additive, an auxiliary agent, water and natural latex, wherein the mass content of the styrene-acrylic copolymerized emulsion is 5 to 10 percent, the mass content of the self-crosslinking acrylic acid is 10 to 15 percent, the mass content of the sodium alginate is 0.5 to 1.5 percent, the mass content of the calcium chloride is 1.5 to 2 percent, the mass content of the ketone removing additive is 2 to 3 percent, the mass content of the auxiliary agent is 0.03 to 0.2 percent, the mass content of the water is 3 to 7 percent and the mass content of the natural latex is 30 to 40 percent. According to the backing adhesive material for controlling the evenness of the paper sheets and the application method of the backing adhesive material, the problems that the paper sheets are curled when an existing backing adhesive material is used andthe surfaces of the paper sheets are not even are greatly solved; the backing adhesive material has the advantages of low component cost, simple synthesis technology and relatively high applicability.

Description

technical field [0001] The invention relates to a back glue material, in particular to a back glue material for controlling the flatness of paper and an application method thereof. Background technique [0002] At present, in the packaging and printing industry, it is very common for paper to appear curled and uneven. The root cause of this situation is the difference in moisture content on both sides of the paper. The moisture content of the paper is related to the base paper itself, processing technology, production and storage environment and many other factors. They are all related, but the current common practice is that the paper mainly adopts the method of composite back coating in the processing process, and coats a layer of adhesive material on the back of the paper, and adjusts the moisture content of the paper by adjusting the oven temperature, vehicle speed, and adhesive content. Adjustment and control, therefore, how to adjust the formulation of the adhesive mat...

Claims

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Application Information

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IPC IPC(8): D21H19/14D21H19/20
CPCD21H19/14D21H19/20
Inventor 刘念张华
Owner 上海睿途新材料科技有限公司
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