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A wear-resistant plastic packaging bag and its processing technology

A packaging bag and plastic technology, which is applied in packaging, bio-packaging, transportation and packaging, etc., can solve the problems of plastic packaging bag materials that are not healthy and environmentally friendly, cannot store food, and have a simple structure, and achieve high hardness, increased density, and improved The effect of abrasion resistance

Active Publication Date: 2020-06-23
温州市宏科印业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a wear-resistant plastic packaging bag and its processing technology to solve the following technical problems in the prior art: (1) the existing plastic bag is simple in material and structure, and is easily damaged during use: (2) The material of the packaging bag is not healthy and environmentally friendly enough to store food

Method used

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  • A wear-resistant plastic packaging bag and its processing technology
  • A wear-resistant plastic packaging bag and its processing technology

Examples

Experimental program
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Effect test

preparation example Construction

[0051] Step S1, preparation of environmentally friendly substrate layer 1: put polylactic acid into a film blowing machine, adjust the temperature of the film blowing machine to 200-220°C, and blow the film to form an environmentally friendly substrate layer 1;

[0052] Step S2, preparation of the wear-resistant layer 3 and the wear-resistant protrusion 4: mix the modified silicone resin, hydroxy silicone oil, sol, boehmite, and tetraethylammonium benzoate according to the ratio, and place in such figure 2 In the mold shown, the mold is placed between a flat hydraulic press for lamination. The lamination temperature is 45°C, the constant pressure is 0.6MPa, and the pressure is maintained for 45-50s. Take it out and cool it at normal temperature and pressure to obtain an integrally formed wear-resistant layer 3 and wear-resistant protrusions 4;

[0053] Step S3, mix the nano-titanium dioxide and the acrylic adhesive according to the mass ratio of 1:0.8-1 evenly, place it in th...

Embodiment 1

[0056] A wear-resistant plastic packaging bag, comprising an inner environmental-friendly substrate layer, a middle interlayer and an outer wear-resistant layer, wherein the surface of the wear-resistant layer is evenly distributed with wear-resistant protrusions, and the wear-resistant layer and the wear-resistant protrusions They are all made of special wear-resistant materials, and the wear-resistant layer and the wear-resistant protrusions are integrally formed;

[0057] The environmental protection substrate layer is made of polylactic acid, and the thickness of the environmental protection substrate layer is 0.15mm;

[0058] The interlayer is made of nano-titanium dioxide, and the thickness of the interlayer is 0.3mm;

[0059] The thickness of the wear-resistant layer is 0.3mm;

[0060] The wear-resistant protrusion is in the shape of a hemisphere, the arc surface of the hemisphere faces outward, and the diameter of the hemisphere is 0.05mm;

[0061] The special wear-r...

Embodiment 2

[0063] A wear-resistant plastic packaging bag, comprising an inner environmental-friendly substrate layer, a middle interlayer and an outer wear-resistant layer, wherein the surface of the wear-resistant layer is evenly distributed with wear-resistant protrusions, and the wear-resistant layer and the wear-resistant protrusions They are all made of special wear-resistant materials, and the wear-resistant layer and the wear-resistant protrusions are integrally formed;

[0064] The environmental protection substrate layer is made of polylactic acid, and the thickness of the environmental protection substrate layer is 0.2mm;

[0065] The interlayer is made of nano-titanium dioxide, and the thickness of the interlayer is 0.4mm;

[0066] The thickness of the wear-resistant layer is 0.35mm;

[0067] The wear-resistant protrusion is in the shape of a hemisphere, the arc surface of the hemisphere faces outward, and the diameter of the hemisphere is 0.06mm;

[0068] The special wear-r...

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Abstract

Disclosed are a wear-resistant plastic packaging bag and a process for processing same. The packaging bag comprises an inner environmentally-friendly substrate layer (1), a middle interlayer (2) and an outer wear-resistant layer (3), wherein wear-resistant protrusions (4) are further uniformly distributed on a surface of the wear-resistant layer (3), the wear-resistant layer (3) and the wear-resistant protrusions (4) are both made from a special wear-resistant material, and the wear-resistant layer (3) is integrally formed with the wear-resistant protrusions (4). The processing process comprises: a step S1 of preparing the environmentally-friendly substrate layer (1); a step S2 of preparing the wear-resistant layer (3) and the wear-resistant protrusions (4); a step S3 of preparing a plastic film; and a step S4 of cutting, edge heat sealing and processing by stamping to obtain a wear-resistant plastic packaging bag. The environmentally-friendly substrate layer (1) of the plastic packaging bag is made from polylactic acid, and the production process for polylactic acid is pollution-free, moreover, the product is biodegradable, nontoxic to human bodies and environmentally friendly, and food can be stored therein. The outer wear-resistant layer (3) has an excellent wear-resistant effect, can prolong the service life of the plastic packaging bag and has low production costs.

Description

technical field [0001] The invention belongs to the technical field of plastic packaging bag processing, and in particular relates to a wear-resistant plastic packaging bag and its processing technology. Background technique [0002] Plastic shopping bags are a necessity in daily life. As we all know, consumers and shopping malls have formed a rigid demand for plastic packaging bags, and this consumption has become a habit, and plastic packaging bags have been integrated into everyone's life. In daily life, plastic packaging bags are increasingly becoming the first choice for packaging products due to their light weight and ease of use. In developing countries, due to the process of commercialization, the number of shopping malls has increased steadily, which has led to the further prosperity of the plastic packaging bag industry, and the two show a high degree of correlation. The global plastic packaging bag industry generally shows a steady growth trend, especially the to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B31B70/00B29C43/58B29C55/28B65D30/08
CPCB29C43/58B29C55/28B29C2043/5808B29C2043/5816B65D31/02B31B70/00Y02W90/10Y02A40/90
Inventor 田雨生
Owner 温州市宏科印业有限公司
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