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Preparation method of plastic packaging bag

A packaging bag and plastic technology, applied in the field of plastic bag production, can solve the problem that the plastic bag cannot bear greater weight

Inactive Publication Date: 2021-04-27
赵光明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plastic packaging bags can be seen everywhere in our life. They are mostly used in supermarkets and can be used for carrying items. However, the plastic packaging bags in the prior art can only bear the corresponding weight, and cannot make the plastic bag bear a larger weight. adverse effects, so the invention provides a method for preparing plastic packaging bags

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for preparing a plastic packaging bag, wherein the plastic packaging bag is composed of the following raw materials: 40 parts of polyethylene, 30 parts of polypropylene, 20 parts of polylactic acid, 20 parts of calcium carbonate powder, 15 parts of bamboo fiber, and 3 parts of plasticizer , 2 parts of curing agent, 6 parts of modifier, 1000ml of purified water.

[0025] A kind of preparation method of plastic packaging bag, concrete preparation steps are as follows:

[0026] (1) Pour the raw material and 1000ml into the container for stirring and mixing, the stirring temperature is 50°C, and the stirring time is 30min;

[0027] (2) Filter the mixed raw materials, then put the filtered raw materials into a vacuum drying oven for drying, the drying temperature is 90° C., and the drying time is 2 hours to make materials;

[0028] (3), filter the prepared material, then pour the filtered material into an ultrafine pulverizer for ultrafine pulverization to obtain a...

Embodiment 2

[0031] A method for preparing a plastic packaging bag, wherein the plastic packaging bag is composed of the following raw materials: 50 parts of polyethylene, 40 parts of polypropylene, 25 parts of polylactic acid, 25 parts of calcium carbonate powder, 18 parts of bamboo fiber, and 4 parts of plasticizer , 3 parts of curing agent, 7 parts of modifier, 1500ml of purified water.

[0032] A kind of preparation method of plastic packaging bag, concrete preparation steps are as follows:

[0033] (1) Pour the raw material and 1500ml into a container for stirring and mixing, the stirring temperature is 55°C, and the stirring time is 35min;

[0034] (2), filter the mixed raw materials, then put the filtered raw materials into a vacuum drying oven for drying, the drying temperature is 95° C., and the drying time is 2.5 hours to make materials;

[0035] (3), filter the prepared material, then pour the filtered material into an ultrafine pulverizer for ultrafine pulverization to obtain ...

Embodiment 3

[0038] A method for preparing a plastic packaging bag, wherein the plastic packaging bag is composed of the following raw materials: 60 parts of polyethylene, 50 parts of polypropylene, 30 parts of polylactic acid, 35 parts of calcium carbonate powder, 20 parts of bamboo fiber, and 5 parts of plasticizer , 4 parts of curing agent, 8 parts of modifier, 2000ml of purified water.

[0039] A kind of preparation method of plastic packaging bag, concrete preparation steps are as follows:

[0040] (1) Pour the raw material and 2000ml into a container for stirring and mixing, the stirring temperature is 60°C, and the stirring time is 40min;

[0041] (2), filter the mixed raw materials, then put the filtered raw materials into a vacuum drying oven for drying, the drying temperature is 100 ° C, and the drying time is 3 hours, and the material is made;

[0042] (3), filter the prepared material, then pour the filtered material into an ultrafine pulverizer for ultrafine pulverization to ...

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PUM

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Abstract

The invention relates to the field of plastic bag production, and discloses a preparation method of a plastic packaging bag. The plastic packaging bag is composed of the following raw materials of, by weight, 40-60 parts of polyethylene, 30-50 parts of polypropylene, 20-30 parts of polylactic acid, 20-35 parts of calcium carbonate powder, 15-20 parts of bamboo fiber, 3-5 parts of a plasticizer, 2-4 parts of a curing agent, 6-8 parts of a modifier, and a proper amount of purified water. According to the prepared plastic packaging bag, materials for manufacturing the packaging bag are subjected to superfine grinding, the quality of the manufactured packaging bag can be greatly improved, and the plastic packaging bag has wide market prospects and is beneficial to popularization.

Description

technical field [0001] The invention relates to the technical field of plastic bag production, in particular to a method for preparing a plastic packaging bag. Background technique [0002] Plastic packaging bags can be seen everywhere in our life. They are mostly used in supermarkets and can be used for carrying items. However, the plastic packaging bags in the prior art can only bear the corresponding weight, and cannot make the plastic bag bear a larger weight. adverse effects, so the invention provides a method for preparing plastic packaging bags. Contents of the invention [0003] Technical issues resolved [0004] Aiming at the deficiencies of the prior art, the invention provides a method for preparing a plastic packaging bag. [0005] Technical solutions [0006] In order to achieve the above object, the present invention provides the following technical solutions: a method for preparing a plastic packaging bag, the plastic packaging bag is composed of the foll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/42B29B13/06B29B13/10C08L23/06C08L23/12C08L67/04C08L97/02C08K3/26C08J5/18
CPCB29C49/0005B29C49/4252B29B13/065B29B13/10C08L23/06C08J5/18C08L2205/02C08L2205/035C08L2205/16C08K2003/265C08J2323/06C08J2423/12C08J2467/04C08J2497/02C08L2203/16C08L23/12C08L67/04C08L97/02C08K3/26
Inventor 赵光明
Owner 赵光明