Preparation method of modified polycarbonate fresh-keeping material

A technology of polycarbonate and fresh-keeping materials, applied in the field of preparation of modified polycarbonate fresh-keeping materials, can solve the problems of people's health impact, poor quality of fresh-keeping boxes, poor antibacterial effect, etc., and achieve simple and convenient preparation methods, not easily affected, The effect of strong fresh-keeping ability

Inactive Publication Date: 2021-07-16
扬州宇晶生活用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The quality of the fresh-keeping boxes used in the existing market is relatively poor, and it is easy to mold after a period of use, and the antibacterial effect is poor, which affects people's health

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0024] A method for preparing a modified polycarbonate fresh-keeping material, comprising the following steps:

[0025] The first step: put a certain amount of polycarbonate, reinforcing agent, matting agent, antibacterial agent, lubricant and composite antioxidant in the mixer for mixing and uniform stirring to obtain a mixture;

[0026] The second step: melting and extruding the mixture obtained in the first step through a twin-screw extruder to obtain modified polycarbonate fresh-keeping particles.

[0027] As a further improvement of the above technical solution,

[0028] In the first step, the number of parts of polycarbonate is 85 parts, the number of parts of reinforcing agent is 12 parts, the number of parts of matting agent is 8 parts, the number of parts of antibacterial agent is 6 parts, the number of parts of lubricant is 0.5 parts, and the number of parts of compound antioxidant The number of doses is 0.6.

[0029] As a further improvement of the above technical...

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PUM

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Abstract

The invention relates to a preparation method of a modified polycarbonate fresh-keeping material. The method comprises the following steps: 1, putting a certain amount of polycarbonate, a reinforcing agent, a matting agent, an antibacterial agent, a lubricating agent and a composite antioxidant into a stirrer, conducting mixing and uniform stirring to obtain a mixture; and 2, carrying out melt extrusion granulation on the mixture obtained in the step 1 through a twin-screw extruder to obtain the modified polycarbonate fresh-keeping particles. The preparation method of the modified polycarbonate fresh-keeping material is simple and convenient, and the reinforcing agent, the matting agent, the antibacterial agent, the lubricant and the composite antioxidant are added into the polycarbonate, so that the obtained product is good in oxidation resistance and high in fresh-keeping capacity, and does not easily affect the body health of people.

Description

technical field [0001] The invention relates to a preparation method of a modified polycarbonate fresh-keeping material. Background technique [0002] At present, with the increasing development of online shopping, more and more people choose to buy fresh products online. However, due to changes in the climate and environment during transportation, the products may deteriorate, especially some fresh fruits and vegetables, which need to invest a lot of resources. It is stored and transported with antibacterial preservation. [0003] With the development of science and technology and the improvement of people's living standards, people's health awareness has been continuously enhanced, and people have paid more attention to the health of daily necessities, especially food, and the cleanliness of the environment. However, in the daily life environment, pathogenic microorganisms such as bacteria and mold are ubiquitous, threatening human health. [0004] The quality of the cri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L91/06C08K13/04C08K7/14C08K3/36
CPCC08L69/00C08L2201/08C08L91/06C08K13/04C08K7/14C08K3/36
Inventor 邓志坚
Owner 扬州宇晶生活用品有限公司
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