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Packaging paper laminating process

A technology for wrapping paper and laminating film, applied in the direction of lamination device, layered product, lamination, etc., can solve the problems of increasing cost, reducing production efficiency, downtime and replacement, etc., to achieve the effect of saving cost and improving production efficiency

Inactive Publication Date: 2014-07-02
浙江汇诚通用印务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the lamination process is implemented, it is necessary to coat a layer of glue on the plastic film first, and then press the plastic film on the printed matter, which requires more glue and increases the cost. After the plastic film roll is used, it needs to be stopped for replacement, reducing productivity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0018] Packaging paper coating process of the present invention comprises the following steps:

[0019] A. Heat and extrude the PE material through the extruder. The extruder is divided into 6 heating sections along the direction of the material bar. The temperature of each heating section increases gradually along the direction of the material bar until it reaches the melting point of the PE material. 6 The temperature of each heating section along the direction of the rod is 110 degrees, 145 degrees, 260 degrees, 285 degrees, 310 degrees, 320 degrees, so that the PE material in the extruder is gradually heated to melt the material and gradually heat up. The form can better control the temperature of the PE material, so that the PE material can jus...

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PUM

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Abstract

The invention discloses a packaging paper laminating process and belongs to the field of packaging. The process comprises the following steps: heating a PE material in a section-by-section mode through an extruder, and slowly heating the PE material to be in a molten state; discharging and molding from a mold, and controlling the temperature of the mold to be gradually reduced from the middle to two sides, so that the middle molten material flows to two sides to be subjected to laminating molding; finally, pressing the molten laminated film on the packaging paper through a roller shaft, and introducing water to cool the roller shaft, so that the laminated film is solidified after pressing. According to the process, glue water is not needed, the laminating cost is saved, the laminated film is directly molded and pressed, the laminated film reel alternation time is saved, and the production efficiency is improved.

Description

technical field [0001] The invention relates to a coating process, in particular to a packaging paper coating process, which belongs to the field of packaging. Background technique [0002] Wrapping paper coating is to apply transparent plastic film to the surface of printed matter by hot pressing to protect and enhance the gloss. The coated printed matter has a smoother and brighter surface due to the addition of a thin and transparent plastic film on the surface, which not only improves the gloss and fastness of the printed matter, but also prolongs the service life of the printed matter. Water release, antifouling, wear resistance, folding resistance, chemical corrosion resistance and other protective functions. When the lamination process is implemented, it is necessary to apply a layer of glue on the plastic film first, and then press the plastic film on the printed matter, which requires more glue, which increases the cost and the plastic film roll needs to be stopped...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/06B32B37/04
Inventor 徐汉明
Owner 浙江汇诚通用印务有限公司
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