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Preparation method of water-resisting antibacterial plastic master batch

A technology of antibacterial plastics and masterbatches, which is applied in the field of preparation of water-resistant and antibacterial plastic masterbatches, which can solve the problems of antibacterial performance reduction and achieve the effects of improving adhesion, excellent mechanical properties, and high bonding strength

Inactive Publication Date: 2018-11-23
含山县胜发塑料制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In China, the antibacterial product industry has just started. Although the antibacterial plastics have certain antibacterial properties, after blister treatment, the antibacterial properties are greatly reduced.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for preparing a water-resistant and antibacterial plastic masterbatch, comprising the following steps:

[0017] (1) In parts by weight, add 33 parts of 1,2-cyclohexanediamine to 240 parts of water, then slowly add sulfuric acid to it, until the white precipitate no longer forms, filter, wash the filter residue, and dry dry to produce 1,2-cyclohexanediaminetetraacetic acid;

[0018] (2) In parts by weight, 34 parts of 1,2-cyclohexanediaminetetraacetic acid, 12 parts of isopropanol pinacol borate, 2 parts of disodium sebacate, 1 part of stearyl citrate Monoglyceride and 2 parts of nano-ITO are added to the high-speed mixer, and after mixing evenly, a water-resistant antibacterial agent is obtained;

[0019] (3) After mixing the water-resistant antibacterial agent and polyethylene resin in a ratio of 1:4, add them into a twin-screw extruder, extrude and granulate, and obtain a functional masterbatch.

[0020] Specifically, in the above step (1), the concentratio...

Embodiment 2

[0024] A method for preparing a water-resistant and antibacterial plastic masterbatch, comprising the following steps:

[0025] (1) In parts by weight, add 34 parts of 1,2-cyclohexanediamine to 260 parts of water, and then slowly add sulfuric acid to it until the white precipitate is no longer formed, filter, wash the filter residue, and dry dry to produce 1,2-cyclohexanediaminetetraacetic acid;

[0026] (2) In parts by weight, 36 parts of 1,2-cyclohexanediaminetetraacetic acid, 14 parts of isopropanol pinacol borate, 4 parts of disodium sebacate, 3 parts of stearyl citrate Add monoglycerides and 3 parts of nano-ITO into a high-speed mixer, and after mixing evenly, a water-resistant antibacterial agent is obtained;

[0027] (3) After mixing the water-resistant antibacterial agent and polyethylene resin in a ratio of 1:5, add them to a twin-screw extruder, extrude and granulate, and obtain a functional masterbatch.

[0028] Specifically, in the above step (1), the concentrati...

Embodiment 3

[0032] A method for preparing a water-resistant and antibacterial plastic masterbatch, comprising the following steps:

[0033] (1) In parts by weight, add 36 parts of 1,2-cyclohexanediamine to 280 parts of water, then slowly add sulfuric acid to it, until the white precipitate no longer forms, filter, wash the filter residue, and dry dry to produce 1,2-cyclohexanediaminetetraacetic acid;

[0034] (2) In parts by weight, 40 parts of 1,2-cyclohexanediaminetetraacetic acid, 16 parts of isopropanol pinacol borate, 6 parts of disodium sebacate, 4 parts of stearyl citrate Add monoglycerides and 5 parts of nano-ITO into a high-speed mixer, and after mixing evenly, a water-resistant antibacterial agent is obtained;

[0035] (3) After mixing the water-resistant antibacterial agent and polyethylene resin in a ratio of 1:6, add them to a twin-screw extruder, extrude and granulate, and obtain a functional masterbatch.

[0036] Specifically, in the above step (1), the concentration of s...

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PUM

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Abstract

The invention discloses a preparation method of water-resisting antibacterial plastic master batch. The preparation method comprises the following steps: (1) adding 1,2-cyclohexanediamine into water,slowly adding sulfuric acid until no white precipitates are generated, filtering, cleaning the filter residues, drying to obtain 1,2-CDTA; (2) adding 1,2-CDTA, isopropoxyboronic acid pinacol ester, sebacic acid disodium salt, stearyl monoglyceridyl citrate and nano ITO into a high-speed mixer, uniformly mixing to obtain a water-resisting antibacterial agent; and (3) uniformly mixing the water-resisting antibacterial agent and polyethylene resin according to a ratio of 1: (4 to 6), adding the mixture into a double-screw extruder, extruding, granulating to obtain functional master batch. The water-resisting antibacterial plastic batch prepared by the method provided by the invention is excellent in various mechanical performance, excellent in aging resistance, good in water immersion resistance, and still excellent in antibacterial performance after being immersed in water for a long time.

Description

technical field [0001] The invention belongs to the technical field of antibacterial plastic preparation, and in particular relates to a preparation method of water-resistant and antibacterial plastic masterbatch. Background technique [0002] People come into contact with all kinds of bacteria-carrying objects every day, such as telephones, washing machines, computers, electrical switches, etc., which will become sources of bacterial pollution and disease transmission. To this end, researchers have carried out research work on various antibacterial materials and antibacterial products. Among all kinds of antibacterial products, antibacterial plastics have been widely concerned in recent years because they are closely related to people's lives. The research on antibacterial plastics began in the 1980s. In recent years, antibacterial plastics in developed countries such as Japan, the United States, and Western Europe have made great progress. Especially in Japan, the applic...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K5/17C08K5/55C08K5/098C08K3/22C08K13/02C08J3/22
CPCC08J3/226C08J2423/06C08K3/22C08K5/098C08K5/17C08K5/55C08K13/02
Inventor 纪安全
Owner 含山县胜发塑料制品有限公司
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