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Production process and production equipment of environment-friendly degradable plastic shopping bag

A technology for degrading plastics and production processes, applied to hollow objects, other household appliances, applications, etc., can solve the problems of mechanical properties of plastic processing characteristics that cannot meet daily use, slow decomposition of polyester, etc.

Active Publication Date: 2021-06-08
PINGHU JINQIU PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although photodegradable plastics degrade and decompose under sunlight, macromolecular polyester decomposes slowly, while biodegradable plastics degrade quickly, but their mechanical properties and processing characteristics of plastics cannot meet daily use. Therefore, a new type of plastic is needed. Photo-biodegradable plastics meet the needs of the production of degradable plastic shopping bags, and also need supporting plastic bag processing equipment to further improve the efficiency of bag making and increase production capacity

Method used

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  • Production process and production equipment of environment-friendly degradable plastic shopping bag
  • Production process and production equipment of environment-friendly degradable plastic shopping bag
  • Production process and production equipment of environment-friendly degradable plastic shopping bag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A production process of an environment-friendly degradable plastic shopping bag, the degradable plastic shopping bag is made by mixing modified PE resin and modified PBAT resin at a mass ratio of 1:1, and the preparation method comprises the following steps:

[0048] S1. Preparation of lignin nanoparticles by acid hydrolysis, and then by modifying SiO 2 modifying the surface of lignin nanoparticles to obtain modified lignin nanoparticles;

[0049] S2. PBAT resin and modified lignin nanoparticles are added to a twin-screw extruder for melting and mixing, and then granulated to obtain modified PBAT resin particles;

[0050] S3, polyethylene micropowder, TiO 2 , Kaolin and oxidized polyethylene wax are mixed according to the mass ratio of 1:1:1:3, and extruded through a twin-screw extruder to obtain a photo-thermo-oxidative degradation masterbatch;

[0051] S4. Mix the degraded masterbatch and polyethylene in a mass ratio of 3:96, and extrude modified PE resin particles ...

Embodiment 2

[0058] A production process of an environment-friendly degradable plastic shopping bag, the degradable plastic shopping bag is made by mixing modified PE resin and modified PBAT resin at a mass ratio of 1:1, and the preparation method comprises the following steps:

[0059] S1. Preparation of lignin nanoparticles by acid hydrolysis, and then by modifying SiO 2 modifying the surface of lignin nanoparticles to obtain modified lignin nanoparticles;

[0060] S2. PBAT resin and modified lignin nanoparticles are added to a twin-screw extruder for melting and mixing, and then granulated to obtain modified PBAT resin particles;

[0061] S3, polyethylene micropowder, TiO 2 , Kaolin and oxidized polyethylene wax are mixed according to the mass ratio of 1:1:1:3, and extruded through a twin-screw extruder to obtain a photo-thermo-oxidative degradation masterbatch;

[0062] S4. Mix the degraded masterbatch and polyethylene in a mass ratio of 3:97, and extrude modified PE resin particles ...

Embodiment 3

[0069] A production process of an environment-friendly degradable plastic shopping bag. The degradable plastic shopping bag is made by mixing modified PE resin and modified PBAT resin at a mass ratio of 1:1.5. The preparation method comprises the following steps:

[0070] S1. Preparation of lignin nanoparticles by acid hydrolysis, and then by modifying SiO 2 modifying the surface of lignin nanoparticles to obtain modified lignin nanoparticles;

[0071] S2. PBAT resin and modified lignin nanoparticles are added to a twin-screw extruder for melting and mixing, and then granulated to obtain modified PBAT resin particles;

[0072] S3, polyethylene micropowder, TiO 2 , kaolin and oxidized polyethylene wax are mixed according to the mass ratio of 1:1:1:4, and extruded through a twin-screw extruder to obtain a photo-thermo-oxidative degradation masterbatch;

[0073] S4. Mix the degraded masterbatch and polyethylene in a mass ratio of 3:98, and extrude modified PE resin particles th...

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Abstract

The invention discloses a production process and production equipment of an environment-friendly degradable plastic shopping bag. The degradable plastic shopping bag is prepared by mixing modified PE resin and modified PBAT resin according to the mass ratio of 1:(1-1.5). The production process comprises the following steps: S1, preparing modified lignin nanoparticles; S2, preparing modified PBAT resin particles; S3, preparing a photo-thermal oxidation degradation master batch; S4, preparing modified PE resin particles; and S5, mixing the modified PBAT resin particles with the modified PE resin particles in proportion, carrying out blow molding through a film blow molding machine, and finally performing processing through a bag making machine to obtain the degradable plastic shopping bag . According to the production technology, the degradable plastic shopping bag is prepared from the modified PE resin and the modified PBAT resin, the plastic film can be degraded under the natural condition, and meanwhile, the mechanical property is not weaker than that of a traditional PE plastic film. The production equipment can automatically complete feeding, leveling, cutting, heat sealing and discharging of the shopping bag, the automation degree is high, and the production efficiency is high.

Description

technical field [0001] The invention relates to the field of degradable plastics, in particular to a production process and production equipment of an environment-friendly degradable plastic shopping bag. Background technique [0002] Plastic is a synthetic polymer compound, which is a material that is polymerized by synthesis or condensation reaction using monomer raw materials. In daily life, plastic products have penetrated into all aspects of our lives. All kinds of plastic products have brought convenience to our lives, but because most plastics are difficult to degrade, a large amount of white garbage will be generated after disposal, which is harmful to the ecology of nature. The environment, animals and plants have produced huge harm. And because petroleum, the raw material for making traditional plastics, is a valuable non-renewable resource, it will be exhausted with the massive use of human beings. Degradable plastics refer to plastics whose chemical structure c...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L67/02C08L97/00C08L23/30C08K3/22C08K3/34B29D22/00
CPCB29D22/00C08K2003/2241C08L23/06C08L67/02C08L2201/06C08L2205/035C08L97/005C08L23/30C08K3/22C08K3/346
Inventor 於海峰
Owner PINGHU JINQIU PLASTIC PROD CO LTD
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