Self-repairing antibacterial sealant and preparation method thereof

A self-healing and beautifying joint agent technology, applied in the field of coatings, can solve the problems of poor antibacterial properties and difficult repairs, and achieve the effects of keeping clean, lasting hygienic effect, good antistatic ability and bactericidal ability

Inactive Publication Date: 2020-01-07
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problem that the existing beauty joint agent has poor antibacterial properties and is difficult to repair when it is damaged, a self-repairing antibacterial beauty joint agent and its preparation method are provided. The beauty joint agent prepared by the method of the present invention has a self-repair function and is antibacterial Good ability, also has antistatic function

Method used

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  • Self-repairing antibacterial sealant and preparation method thereof
  • Self-repairing antibacterial sealant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) A self-repairing antibacterial beautifying agent, consisting of A component and B component, said A component and B component are prepared according to the weight ratio of 1:0.8:

[0034] The A component includes the following components in parts by weight: 100 parts of epoxy resin, 2 parts of nano-titanium dioxide, 1.6 parts of silver nitrate, 0.5 parts of thixotropic agent, 0.5 parts of defoaming agent, 0.5 parts of leveling agent, and 2 parts of pigment;

[0035] The B component includes the following components in parts by weight: 60 parts of reducing agent, 0.5 part of thixotropic agent, and 1 part of curing accelerator.

[0036] The epoxy resin is epoxy resin E51.

[0037] The pigment is cadmium sulfide.

[0038] The thixotropic agent is hydroxyethyl cellulose.

[0039] The defoamer is polyoxyethylene polyoxypropylene pentaerythritol ether.

[0040] The leveling agent is 1080 of Moeneng Chemical Industry.

[0041] The reducing agent is ascorbic acid.

[0...

Embodiment 2

[0056] (1) A kind of self-repairing antibacterial beautifying seam agent, is made up of A component and B component, and described A component and B component are prepared according to weight ratio 1:1:

[0057] The A component includes the following components in parts by weight: 120 parts of epoxy resin, 6 parts of nano-titanium dioxide, 3 parts of silver nitrate, 15 parts of thixotropic agent, 1 part of defoamer, 10 parts of leveling agent, and 0.1 part of pigment;

[0058] The B component includes the following components in parts by weight: 40 parts of reducing agent, 15 parts of thixotropic agent, and 5 parts of curing accelerator.

[0059] The epoxy resin is epoxy resin E44.

[0060] The pigment is cobalt oxide.

[0061] Described thixotropic agent is polyvinyl alcohol.

[0062] The defoamer is polyoxyethylene polyoxypropanolamine ether.

[0063] The leveling agent is 1090 of Moeneng Chemical Industry.

[0064] The reducing agent hydrazine hydrate.

[0065] The cur...

Embodiment 3

[0077] (1) A kind of self-repairing antibacterial beautifying seam agent, is made up of A component and B component, and described A component and B component are prepared according to weight ratio 1:0.7:

[0078] The A component includes the following components in parts by weight: 110 parts of epoxy resin, 6 parts of nano-titanium dioxide, 3 parts of silver nitrate, 10 parts of thixotropic agent, 10 parts of defoamer, 5 parts of leveling agent, and 5 parts of pigment;

[0079] The B component includes the following components in parts by weight: 30 parts of reducing agent, 2 parts of thixotropic agent, and 10 parts of curing accelerator.

[0080] The epoxy resin is epoxy resin E51.

[0081] The pigment is carbon black.

[0082] The thixotropic agent is a mixture of hydroxyethyl cellulose and polyvinyl alcohol, wherein the mass fraction of hydroxyethyl cellulose in the mixture is 55%.

[0083] The defoamer is a mixture of polyoxyethylene polyoxypropylene pentaerythritol eth...

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Abstract

The invention relates to a self-repairing antibacterial sealant and a preparation method thereof. The sealant is prepared from a component A and a component B according to the weight ratio of 1: (0.7-1.3), wherein the component A is prepared from the following components in parts by weight: 100 to 120 parts of epoxy resin emulsion, 0.05 to 10 parts of nano titanium dioxide, 0.05 to 5 parts of silver nitrate, 0.5 to 15 parts of a thixotropic agent, 0.1 to 10 parts of an antifoaming agent, 0.1 to 10 parts of a leveling agent and 0.1 to 5 parts of a pigment; wherein the epoxy resin emulsion is diglycidyl ether and octanediol glycidyl ether containing furan-maleimide reversible covalent bonds, and the component B comprises the following components in parts by weight: 40-80 parts of a reducingagent, 0.5-15 parts of a thixotropic agent and 1-10 parts of a curing accelerator. The sealant disclosed by the invention can be self-repaired under the heating condition of an electric hair drier, ishigh in strength and has broad-spectrum bactericidal activity.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a self-repairing antibacterial beautifying agent and a preparation method thereof. Background technique [0002] At present, there are two types of beautifying agents on the market: one-component beautifying agents and two-component beautifying agents. One-component beautifying agents generally have disadvantages such as large shrinkage rate and easy falling off. The two-component beautifying agent has the advantages of low shrinkage, good adhesion, and high brightness. It is expected to gradually replace the one-component beautifying agent and become the mainstream of the market. However, the existing two-component beautifying agent is easy to breed bacteria in a humid environment, is prone to mildew and blackening, is difficult to clean, and affects the overall aesthetic effect. [0003] In addition, the existing two-component beautifying agents are usually composed of epoxy...

Claims

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Application Information

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IPC IPC(8): C09D5/14C09D5/24C09D163/00C08G59/26
CPCC08G59/26C08K2003/0806C08K2003/2241C08K2201/011C08L2201/08C09D5/14C09D5/24C09D163/00C08L1/284C08L29/04C08L71/02C08K3/22C08K3/08
Inventor 向萌董爽陈建香杨洲庄海玉朱云峰董观秀
Owner JIANGSU UNIV OF TECH
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