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Composite packing material and preparation method thereof

A composite packaging material and a one-sided technology, applied in the field of composite packaging materials and their preparation, can solve the problems of affecting packaging effect, affecting printing effect, uneven uniformity, etc., so as to improve the printing effect of cardboard, eliminate ink penetration, and clean the surface of printed products. Effect

Inactive Publication Date: 2012-03-28
LETIAN PACKAGE BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this composite packaging material often encounters the following problems in the printing preparation process: 1) When the cardboard is printed, if the cardboard surface is uneven, the uniformity is not high, and phenomena such as blistering, wrinkling, ink removal, and film removal often occur after coating ; 2) After batch printing, the cardboards are stacked together, and the ink will penetrate to the other side of the cardboard layer, causing the cardboards to stick to each other and affect the printing effect; 3) The defect rate is high, and the surface of the printed product is prone to stains, which affects the overall packaging effect

Method used

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  • Composite packing material and preparation method thereof
  • Composite packing material and preparation method thereof
  • Composite packing material and preparation method thereof

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Experimental program
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Embodiment 1

[0031] Such as figure 1 Shown is a partially enlarged structural schematic view of a preferred embodiment of the present invention, a composite packaging material whose structure is a cardboard layer 1, an adhesive layer 2, an ink layer 3 and a film layer 4 from bottom to top. The preparation method includes: firstly, using coated paper as the cardboard layer 1, the thickness of the cardboard layer is about 0.06mm; secondly, choosing polyethylene as the film layer 4, the film layer thickness is about 5um, and selecting a solid resin, a volatile solvent, a pigment , fillers and additives, use a gravure printing machine to print the designed pattern on the film to form an ink layer 3; finally, choose a water-based adhesive and use a dry composite process to attach the ink layer on the film One side is compounded with the cardboard layer, and the finished product is die-cut and box-made.

Embodiment 2

[0033] Such as figure 2 As shown, it is another partially enlarged structural schematic diagram of a preferred embodiment of the present invention, a composite packaging material whose structure from bottom to top is an offset printing layer 5, a cardboard layer 1, an adhesive layer 2, and an ink layer 3 , film layer 4. The preparation method includes: firstly, selecting white cardboard as the cardboard layer 1, and the thickness of the cardboard layer is about 0.5mm; secondly, selecting polyethylene as the film layer 4, and the thickness of the film layer is about 25um; The ink composed of pigments, fillers and additives is printed on the film with a gravure printing machine to form the ink layer 3; finally, an oily adhesive is selected, and a dry composite process is used to coat the film with ink One side of the layer is compounded with the non-patterned side of the cardboard layer, and the finished product is die-cut and box-made. In addition, an offset printing machine...

Embodiment 3

[0035] Such as figure 2 As shown, a composite packaging material, its structure is an offset printing layer 5, a cardboard layer 1, an adhesive layer 2, an ink layer 3, and a film layer 4 from bottom to top. Its preparation method comprises: firstly, choose white board paper as the cardboard layer 1, the thickness of the cardboard layer is about 1mm; secondly, choose polyethylene as the film layer 4, the film layer thickness is about 50um, choose solid resin, volatile solvent, pigment, The ink composed of fillers and additives is printed on the film with a gravure printing machine to form an ink layer 3; finally, a water-based adhesive is selected and a dry composite process is used to print the ink layer on the film. One side is compounded with the non-patterned side of the cardboard layer, and the finished product is die-cut and box-made. In addition, an offset printing machine can also be used to print a pattern on one side of the cardboard layer to form the offset printi...

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Abstract

The invention discloses a composite packing material which comprises a paperboard layer, an adhesive layer, an ink layer and a thin film layer. A preparation method of the composite packing material is characterized by comprising: step I, electronic plate making; step II, intaglio printing; step III, laminating; and step IV, die cutting and box making to obtain a finished product. The packing material disclosed by the invention has the advantages that: (1) without any requirement for the paperboard surface, the problem that the laminating effect is influenced by the poor uniformity of the paperboard surface is avoided; 2) ink penetration is eliminated, and the paperboard printing effect is improved; 3) the defect rate is reduced, and the product obtained by the preparation method disclosed by the invention has a clean surface, a thick ink layer, a bright color and stable quality and is widely used in practice; and 4) the laminating strength is high.

Description

technical field [0001] The invention relates to a composite packaging material and a preparation method thereof, belonging to the field of packaging and printing. Background technique [0002] The structure of existing composite packaging materials is cardboard layer, ink layer, adhesive layer, and film layer in turn. The mixture layer is combined to form the final composite packaging material product. Existing paper-plastic composite materials can improve the moisture resistance of paper and have certain thermoplastic properties. [0003] However, this composite packaging material often encounters the following problems in the printing preparation process: 1) When the cardboard is printed, if the cardboard surface is uneven, the uniformity is not high, and phenomena such as blistering, wrinkling, ink removal, and film removal often occur after coating ; 2) After batch printing, the cardboards are stacked together, and the ink will penetrate to the other side of the cardbo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/10B32B27/18B65D65/40
Inventor 吴天根
Owner LETIAN PACKAGE BEIJING