Heat-sealable matte aluminized printed composite packaging film for cigarettes and preparation method thereof

A composite packaging film, printing and packaging technology, applied in packaging, wrapping paper, transportation and packaging, etc., can solve the problem of limited barrier effect, reduce the initial temperature of heat sealing, avoid scratches on the aluminum plating layer, and ensure insulation Effect

Inactive Publication Date: 2018-10-16
SUZHOU KUNLENE FILM IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the barrier effect of this single material is very limited. If the paper is wrapped with aluminized film, it needs to be printed on the surface of the aluminized film. In order to pursue rich colors and beautiful appearance, many cigarette p

Method used

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  • Heat-sealable matte aluminized printed composite packaging film for cigarettes and preparation method thereof
  • Heat-sealable matte aluminized printed composite packaging film for cigarettes and preparation method thereof
  • Heat-sealable matte aluminized printed composite packaging film for cigarettes and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] The preparation method of the composite packaging film for heat-sealable matt printing aluminized cigarettes of the present invention includes the following steps:

[0029] A. Preparation of heat-sealable matte printing and packaging film: adopting multi-layer co-extruded polypropylene biaxial stretching preparation process and polypropylene film gravure printing process, using lining to prepare, and the longitudinal stretching temperature is 60~130 ℃, the transverse stretching temperature is 100~175℃, the extruder temperature is 200~250℃, and the stretching ratio is 4~10;

[0030] B. Preparation of aluminum-plated packaging film: using multi-layer co-extrusion polypropylene biaxial stretching preparation process and polypropylene film vacuum aluminizing processing process, the longitudinal stretching temperature is 60~130℃, and the transverse stretching temperature is 100 ~175℃, extruder temperature is 200~250℃, stretching ratio is 4~10; vacuum degree is 1.3×10-2~1.3×10-3Pa...

Example Embodiment

[0039] Example 19

[0040] A water-based polyurethane glue is selected as the adhesive, and the printed packaging film obtained in Example 1 and the aluminum-plated packaging film obtained in Example 10 are subjected to composite processing to obtain a composite packaging film for heat-sealable matting printing aluminum-plated cigarettes. The preparation method includes the following step:

[0041] A. Preparation of heat-sealable matt printing and packaging film: adopting multi-layer co-extruded polypropylene biaxial stretching preparation technology and polypropylene film gravure printing processing technology, using lining to prepare, wherein the longitudinal stretching temperature is 60℃, The transverse stretching temperature is 100°C, the extruder temperature is 200°C, and the stretching ratio is 4;

[0042] B. Preparation of aluminum-plated packaging film: It is prepared by multi-layer co-extruded polypropylene biaxial stretching preparation process and polypropylene film vacuu...

Example Embodiment

[0045] Example 20

[0046] Select vinyl acetate adhesive as the adhesive to perform composite processing on the printed packaging film obtained in Example 2 and the aluminum-plated packaging film obtained in Example 11 to obtain a composite packaging film for printed aluminum-plated cigarettes. The preparation method includes the following steps:

[0047] A. Preparation of heat-sealable matte printing and packaging film: adopting multi-layer co-extruded polypropylene biaxial stretching preparation process and polypropylene film gravure printing process, using lining to prepare, where the longitudinal stretching temperature is 130°C, The transverse stretching temperature is 175℃, the extruder temperature is 250℃, and the stretching ratio is 10;

[0048] B. Preparation of aluminum-plated packaging film: using multi-layer co-extruded polypropylene biaxial stretching preparation process and polypropylene film vacuum aluminizing process for preparation, wherein the longitudinal stretching...

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Abstract

The invention discloses a heat-sealable matte printed aluminized composite packaging film for cigarettes and a preparation method thereof. The composite packaging film comprises a printed matte film and an aluminized film which are laminated and processed by use of a binder or a hot melt adhesive, wherein the printed layer of the matte film can be laminated with the aluminized layer of the aluminized film to obtain the composite packaging film. The composite packaging film provided by the invention has the following advantages: a heat-sealable matte film is creatively proposed to be adopted asa printed packaging film; after inner printing of the inner surface of the matte film, the printed layer of the matte film is laminated with the surface of the aluminized layer of the aluminized film, so the problem of additional coating of a matting coating on the surface of a conventional cigarette packaging film is solved; meanwhile, the matted layer and the aluminized film have medium-and-low-temperature heat sealability, so a film can be packaged and bonded without the need of using a glue when a cigarette is subsequently packaged on a machine; and the composite packaging film provided by the invention realizes medium-and-low-temperature heat sealability and matte effects on the basis of guaranteeing conventional functions, effectively reduces energy consumption, is friendly to the environment, and has a matte metal texture.

Description

technical field [0001] The invention belongs to the technical field of novel polymer packaging materials, and in particular relates to a composite packaging film for heat-sealable matte printing aluminized cigarettes and a preparation method thereof. Background technique [0002] Traditional cigarette packaging uses paper of a certain grammage, with a designed pattern printed on the surface. After packaging cigarettes online at high speed, the paper is folded into a specific shape, and the inside and outside of the paper are bonded and packaged after the edge is dispensed. Because paper fibers are easy to absorb water vapor in the air, water vapor will affect cigarettes through continuous adsorption and penetration, not only affecting the taste, but also endangering health. Therefore, a layer of transparent film is often wrapped outside the carton, and the film is usually made of polypropylene material, which is not only soft, but also has heat-sealing and heat-shrinking pro...

Claims

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Application Information

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IPC IPC(8): B32B27/32B32B27/18B32B27/08B32B27/06B32B7/12B32B33/00B32B37/12B32B38/14B65D65/40B29C47/06
Inventor 安德利蔡怀远高伟
Owner SUZHOU KUNLENE FILM IND CO LTD
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