Composite packaging film for glossy laser cigarettes and preparation method thereof

A composite packaging film and laser technology, applied in packaging, wrapping paper, transportation and packaging, etc., can solve the problems of heat-sealing performance degradation, easy to fall off, unclear patterns, etc., to reduce the heat-sealing initiation temperature and reduce energy consumption , to avoid the effect of scratching

Active Publication Date: 2020-05-19
YUNNAN KUNLENE FILM IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems in the existing laser composite packaging film. For example, due to the lack of compatibility and adhesion between the laser printing films, the pattern of laser embossing is not clear and easy to fall off. Laser embossing or printing After that, the heat sealing performance is reduced, etc., it is difficult to obtain high-quality film products suitable for cigarette packaging

Method used

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  • Composite packaging film for glossy laser cigarettes and preparation method thereof
  • Composite packaging film for glossy laser cigarettes and preparation method thereof
  • Composite packaging film for glossy laser cigarettes and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0029] The preparation method of the composite packaging film for smooth laser cigarettes of the present invention comprises the following steps:

[0030] A. Preparation of glossy substrate film: The multi-layer co-extrusion polypropylene biaxial stretching preparation process and polypropylene film are used for preparation, wherein the longitudinal stretching temperature is 70-130°C, and the transverse stretching temperature is 100-175°C. The temperature of the extruder is 200-250°C, and the draw ratio is 4-10;

[0031] B. Laser embossing process: laser pattern embossing is carried out on the B layer of the base film by using laser molding process; the main process of laser molding described above: electroforming plate-making-unwinding-preheating-molding-cooling- Winding;

[0032] C. Ink printing: After the laser imprinting is completed, the surface polarity treatment is carried out first, and then ink printing is carried out on the laser surface, using environmentally frien...

Embodiment 20

[0043] The preparation method of the composite packaging film for smooth laser cigarettes as in the above embodiment 1 comprises the following steps:

[0044] A. Preparation of glossy substrate film: The multi-layer co-extrusion polypropylene biaxial stretching preparation process and polypropylene film are used for preparation, wherein the longitudinal stretching temperature is 70°C, the transverse stretching temperature is 100°C, and the extruder temperature is 200°C, and the draw ratio is 4;

[0045]B. Laser embossing process: laser pattern embossing is carried out on the B layer (inner layer) of the substrate film by laser molding process; Molding - cooling - winding;

[0046] C. Ink printing: After the laser imprinting is completed, the surface polarity treatment is carried out first, and then ink printing is carried out on the laser surface, using environmentally friendly water-based ink, and the printing is completed through the gravure printing process. The main proc...

Embodiment 21

[0049] Select a solvent-free polyurethane adhesive as an adhesive to carry out composite processing on the laser printing packaging film obtained in Example 2 and the aluminized packaging film obtained in Example 11, and obtain the composite packaging film. The preparation method comprises the following steps:

[0050] A. Preparation of glossy substrate film: It is prepared by multi-layer co-extrusion polypropylene biaxial stretching preparation process and polypropylene film, wherein the longitudinal stretching temperature is 130°C, the transverse stretching temperature is 175°C, and the extruder temperature is 250°C, and the draw ratio is 10;

[0051] B. Laser embossing process: use laser molding process to emboss the laser pattern on the B layer of the base film; the laser molding process described: electroforming plate-unwinding-preheating-molding-cooling-receiving roll;

[0052] C. Ink printing: After the laser embossing is completed, the surface polarity treatment is ca...

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Abstract

The invention discloses a smooth surface laser composite packaging film for cigarettes and a preparation method thereof, and the smooth surface laser composite packaging film for the cigarettes comprises a smooth surface laser biaxially-oriented polypropylene film substrate, laser pressing printing on an inner surface is realized, and a laser surface is further printed. The smooth surface laser composite packaging film can be used alone or in combination with an aluminum-plated packaging film or the like, the smooth surface laser composite packaging film can be laminated with an aluminum-plated surface of the aluminum-plated packaging film, double-sided heat sealing can be maintained, a laser printing function is realized, and an aluminized layer can be prevented from being scratched. Thefunction of the composite packaging film for the cigarettes is expanded.

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 smooth laser cigarettes and a preparation method thereof. Background technique [0002] Traditional cigarette packaging films use transparent biaxially oriented polypropylene films. According to the current packaging form, only one layer of transparent packaging film is added outside the paper cigarette label to play a certain sealing effect. Compared with other products in the packaging industry, laser packaging materials not only have a novel and bright appearance, but also have high-tech anti-counterfeiting functions. Therefore, in order to improve product competitiveness, the application of laser packaging films will become increasingly widespread. However, there are many problems in the existing laser composite packaging film. For example, due to the lack of compatibility and adhesion between the laser pri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B7/12B32B33/00B32B27/32B32B27/18B32B27/06B65D65/40B41M1/10B41M1/30B32B37/12B32B38/14
CPCB32B7/12B32B27/06B32B27/18B32B27/32B32B33/00B32B37/12B32B38/145B32B2307/584B41M1/10B41M1/30B65D65/40
Inventor 蔡怀远安德利高伟
Owner YUNNAN KUNLENE FILM IND
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