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Method for preparing strength plate from waste soft plastic bottles and waste packaging boards

A technology of soft plastic and packaging cardboard, which is applied in the field of preparing strength boards from waste soft plastic bottles and waste packaging cardboard, can solve problems such as poor performance, and achieve the effects of improved processing and surface improvement

Inactive Publication Date: 2017-02-22
HUNAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect of poor performance caused by the direct reprocessing of waste plastic recycling, and to provide a waste recycled board with excellent strength

Method used

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  • Method for preparing strength plate from waste soft plastic bottles and waste packaging boards

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Effect test

Embodiment 1

[0022] A method for preparing a strength board by utilizing waste soft plastic bottles and waste packaging cardboard, which is carried out according to the following process:

[0023] (1) Sorting and pretreatment of waste soft plastic bottles: Sorting waste soft plastic bottles from waste plastic bottles, removing the plastic film coverings on the bottle caps and bottles, and putting the cleaned bottles into Soak in a weak acid aqueous solution for 8 hours, then take it out and wash it until neutral, dry it fully, put it into a crusher for crushing, take it out, put it into a high-speed mixer with a small amount of linear low-density polyethylene and internal slip agent monoglyceride, and mix it at a high speed at 50°C Drop into extruder after 5 minutes and melt and extrude pelletizing at 160-180° C. to obtain masterbatch A, for subsequent use;

[0024] Among them, the selected waste soft plastic bottle is a mixture of polyethylene bottle and polypropylene bottle, and the mass...

Embodiment 2

[0031] A method for preparing a high-strength biomass plate with good flame retardancy, the process is:

[0032] A method for preparing a strength board by utilizing waste soft plastic bottles and waste packaging cardboard, which is carried out according to the following process:

[0033] (1) Sorting and pretreatment of waste soft plastic bottles: Sorting waste soft plastic bottles from waste plastic bottles, removing the plastic film coverings on the bottle caps and bottles, and putting the cleaned bottles into Soak in a weak acid aqueous solution for 10 hours, then take it out and wash it until neutral, dry it fully, put it into a crusher for crushing, take it out, put it into a high-speed mixer with a small amount of linear low-density polyethylene and internal slip agent monoglyceride, and mix it at a high speed at 50°C Drop into extruder after 5 minutes and melt and extrude pelletizing at 160-180° C. to obtain masterbatch A, for subsequent use;

[0034] Among them, the s...

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Abstract

The invention relates to a method for preparing a strength plate from waste soft plastic bottles and waste packaging boards. By respective treatment of the waste soft plastic bottles and the reclaimed packaging boards and matching with a small quantity of nano calcium silicate particles and auxiliary materials, the plate is obtained by means of melt extrusion and high in strength and toughness. The plate is capable of replacing current plastic plates or wood plates and applied to the field of decoration or packaging.

Description

technical field [0001] The invention relates to a method for preparing a strength board, in particular to a method for preparing a strength board by using waste soft plastic bottles and waste packaging cardboard. Background technique [0002] With the rapid development of modern synthetic resin industry, the application of plastic products is becoming more and more extensive. While plastic products bring convenience to people, a large amount of waste plastics also cause serious pollution to the environment. The use cycle of plastics is very short, and a large number of plastic products are discarded after about 6 to 12 months. 40% of plastics It can no longer be used after 1-2 years. In the past few decades, waste plastics have been regarded as part of municipal solid waste (MSW), and waste plastics account for 4%-10% (wt) or 10%-20% (vol) in MSW in developed countries. In recent years, with the implementation of the law on the promotion of sorting, collection and reco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L23/08C08L97/02C08K5/103C08K3/34C08J3/22
CPCC08L23/06C08J3/226C08J2323/06C08J2423/12C08K2201/011C08L2205/02C08L2205/035C08L2205/16C08L2207/20C08L23/12C08L23/0815C08L97/02C08K5/103C08K3/34
Inventor 陈一
Owner HUNAN UNIV OF TECH
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