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Antibacterial plastic filler and preparation method thereof

A technology of antibacterial plastics and herbal plants, applied in the field of plastic cling film, can solve the problem that the cling film affects the freshness of food

Inactive Publication Date: 2018-02-16
ANHUI YUEERWEI PLASTIC MACHINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in summer, germs are easy to breed. The storage of many foods in family life depends on the intervention of plastic wrap and refrigerators, but the quality of plastic wrap will also directly affect the freshness of food.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] The present invention provides a kind of preparation method of antibacterial plastic filler, comprising:

[0015] Mixing herbs, chitosan, chitin fiber and diatomaceous earth for the first time and then heat-treating to prepare the mixture M1;

[0016] Calcium stearate, sodium alginate, hydrotalcite, iron stearate and silicon oxide are added to the mixture M1 for the second mixing, after the second heat treatment, cooling and drying, grinding and sieving to obtain the antibacterial plastic filler ;

[0017] Wherein, the temperature of the second heat treatment is 30-50° C. higher than the temperature of the first heat treatment.

[0018] In the above technical solution, the temperature of the first heat treatment can be selected within a wide range, but in order to improve the effect of the heat treatment and further enhance the interaction between the raw materials, preferably, the temperature of the first heat treatment is 100- 110°C.

[0019] In the above technical...

Embodiment 1

[0031] The mixture M1 was prepared by stirring and mixing Ophiopogon japonicus, chitosan, chitin fiber and diatomaceous earth at 3000rpm for 1.5h, and heat-treated at 100°C for 6h;

[0032] Calcium stearate, sodium alginate, hydrotalcite, iron stearate and silicon oxide were added to the mixture M1, stirred and mixed at 3000rpm for 1.5h, heat-treated at 130°C for 2h, dried, ground and sieved to obtain the The antibacterial plastic filler is denoted as A1;

[0033] Among them, the weight ratio of Ophiopogon japonicus, chitosan, chitin fiber, diatomaceous earth, calcium stearate, sodium alginate, hydrotalcite, iron stearate and silicon oxide is 100:3:5:5:10: 3:1:1:2.

Embodiment 2

[0035] The mixture M1 was prepared by stirring and mixing Folium Folium Folium, chitosan, chitin fiber and diatomaceous earth at 4000rpm for 1.2h, and heat-treating at 105°C for 5h;

[0036] Calcium stearate, sodium alginate, hydrotalcite, iron stearate and silicon oxide were added to the mixture M1, stirred and mixed at 4000rpm for 1.2h, heat-treated at 145°C for 1.5h, dried, ground and sieved to obtain The antibacterial plastic filler is denoted as A2;

[0037] Wherein, the weight ratio of the Folium Folium Folium, chitosan, chitin fiber, diatomaceous earth, calcium stearate, sodium alginate, hydrotalcite, iron stearate and silicon oxide is 100:4:8:10 :13:4:2:2:3.

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PUM

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Abstract

The invention discloses an antibacterial plastic filler and a preparation method thereof. The preparation method includes: subjecting herbaceous plants, chitosan, chitosan fiber and kieselguhr to primary mixing and primary thermal treatment to obtain a mixture M1; adding calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silicon oxide to the mixture M1 for secondary mixing and secondary thermal treatment prior to drying, grinding and sieving to obtain the antibacterial plastic filler, wherein the temperature of the secondary thermal treatment is higher than that of the primary thermal treatment at 30-50DEG C. Plastic products can have excellent antibacterial property when the antibacterial plastic filler serves as an additive component of the plastic products of plastic films and the like, bacteria breeding can be effectively inhibited, and preservation effect of food is improved.

Description

technical field [0001] The invention relates to the field of plastic preservation films, in particular to an antibacterial plastic filler and a preparation method thereof. Background technique [0002] Cling film is a kind of plastic packaging product. Cling film is a kind of plastic packaging product, usually made of ethylene as the masterbatch through polymerization reaction. The cling film can be divided into three categories: the first is polyethylene, referred to as PE; The first is polyvinyl chloride, referred to as PVC; the third is polyvinylidene chloride, referred to as PVDC. [0003] Microwave food heating, refrigerator food preservation, fresh and cooked food packaging and other occasions are widely used in family life, supermarkets, hotels and restaurants, and food packaging in industrial production. [0004] Preservative film is widely favored by consumers for its advantages of convenience, economy and beauty. However, with the frequency and scope of use of pl...

Claims

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Application Information

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IPC IPC(8): C08L1/02C08L5/08C08L5/04C08K13/02C08K3/34C08K5/098C08K3/26C08K3/36
CPCC08L1/02C08K2201/014C08L2205/02C08L2205/025C08L2205/035C08L2205/16C08L5/08C08L5/04C08K13/02C08K3/34C08K5/098C08K3/26C08K3/36
Inventor 钱万水
Owner ANHUI YUEERWEI PLASTIC MACHINE CO LTD
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