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A kind of washing-resistant composite antibacterial metal coating and preparation method thereof

A composite antibacterial and metal coating technology, which is applied in polyester coatings, epoxy resin coatings, antifouling/underwater coatings, etc., can solve environmental restrictions on antibacterial effects, poor scrub resistance of antibacterial coatings, and short antibacterial timeliness, etc. problem, to achieve enhanced scrub resistance and antibacterial performance, excellent antibacterial performance, improved activity and application range

Active Publication Date: 2016-06-29
ZHEJIANG GREAT WALL PURIFICATION ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a scrub-resistant composite anti-bacterial metal coating and a preparation method thereof for the deficiencies of the current anti-bacterial coatings such as poor anti-bacterial effect, short anti-bacterial timeliness, and poor scrub resistance of the anti-bacterial coating on the surface of metal plates.
It solves the environmental restrictions and antibacterial effect of titanium dioxide-based photocatalytic antibacterial coatings, the easy discoloration of metal ion coatings and the timeliness of antibacterial effects, and the scrubbing resistance of antibacterial coatings for metal substrates.

Method used

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  • A kind of washing-resistant composite antibacterial metal coating and preparation method thereof
  • A kind of washing-resistant composite antibacterial metal coating and preparation method thereof
  • A kind of washing-resistant composite antibacterial metal coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of wash-resistant metal antibacterial paint, its prescription is made up of following weight percent: modified polyester resin 19%, modified epoxy resin 21%, modified styrene-acrylic emulsion 13%, coupling agent 7%, nano titanium dioxide sol 28%, metal ion solution 12%. Its preparation method comprises the following steps:

[0017] 1) Weigh silver nitrate equivalent to 0.001mol quality, add it into a mixed solvent of 20ml ethanol and 80ml deionized water, stir rapidly until the metal salt solid is completely dissolved, and obtain an organic / deionized water mixed solution containing metal ions;

[0018] 2) Slowly add a certain amount of modified styrene-acrylic emulsion and coupling agent to the above-mentioned antibacterial metal ion solution under the state of high-speed stirring of the disperser and a constant temperature of 40-70°C, and stir until uniform, and prepare the first solution;

[0019] 3) Add 15ml of tetrabutyl titanate into 50ml of ethanol, slowly...

Embodiment 2

[0023] A kind of wash-resistant metal antibacterial paint, its prescription is made up of following weight percent: modified polyester resin 15%, modified epoxy resin 23%, modified styrene-acrylic emulsion 9%, coupling agent 9%, nano titanium dioxide Sol 31%, metal ion solution 13%, its preparation method comprises the following steps:

[0024] 1) Weigh copper nitrate equivalent to 0.001mol quality, add it to 20ml propylene glycol butyl ether and 80ml ethanol mixed solvent, stir rapidly until the metal salt solid is completely dissolved, and obtain an organic / deionized water mixed solution containing metal ions;

[0025] 2) Slowly add a certain amount of modified styrene-acrylic emulsion and coupling agent to the above-mentioned antibacterial metal ion solution under the state of high-speed stirring of the disperser and a constant temperature of 40-70°C, and stir until uniform, and prepare the first solution;

[0026] 3) Add 15ml of tetrabutyl titanate into 50ml of deionized w...

Embodiment 3

[0030] A kind of wash-resistant metal antibacterial paint, its prescription is made up of following weight percent: modified polyester resin 17%, modified epoxy resin 19%, modified styrene-acrylic emulsion 12%, coupling agent 8%, nano titanium dioxide Sol 30%, metal ion solution 14%. Its preparation method comprises the following steps:

[0031] 1) Weigh zinc nitrate equivalent to a quality of 0.001mol, add it to a mixed solvent of 20ml ethanol, 20ml propylene glycol butyl ether and 60ml deionized water, and stir rapidly until the metal salt solid is completely dissolved to obtain an organic / deionized solution containing metal ions. Ionized water mixed solution;

[0032] 2) Slowly add a certain amount of modified styrene-acrylic emulsion and coupling agent to the above-mentioned antibacterial metal ion solution under the state of high-speed stirring of the disperser and a constant temperature of 40-70°C, and stir until uniform, and prepare the first solution;

[0033] 3) Add...

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Abstract

The invention relates to a scrub-resistant composite antibacterial metal coating and a preparation method thereof, which mainly consists of the following formula components in parts by mass: 10-30% of modified polyester resin, 10-30% of modified epoxy resin , 5-20% of modified styrene-acrylic emulsion, 1-15% of coupling agent, 10-40% of nano-titanium dioxide sol, and 5-20% of antibacterial metal ion solution. The invention solves the problems that the use of titanium dioxide-based photocatalytic antibacterial coating is limited by the environment and antibacterial effect, the metal ion coating is easy to change color and the timeliness of antibacterial effect, and the antibacterial coating for metal substrates is resistant to scrubbing.

Description

technical field [0001] The invention relates to the fields of metal coatings and antibacterial coatings, in particular to a scrub-resistant composite antibacterial metal coating and a preparation method thereof. Background technique [0002] With the development of science and technology, the progress of production technology and the improvement of living standards, and the governments of various countries pay more and more attention to environmental issues, ecological environment materials have become the most needed materials in the market. New antibacterial materials are newly emerging in the world in recent years. It is one of the ecological environment materials closely related to the healthy development and environment. At the same time, the metal sheet not only has the properties of high mechanical strength and easy forming of steel materials, low cost, high practicability, quick installation, convenient transportation, but also has decoration and corrosion resistance...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D167/00C09D125/14C09D5/14C09D7/12
Inventor 曹远涛裘伟永李士英郑志华唐昊林庆李书伟王丽君
Owner ZHEJIANG GREAT WALL PURIFICATION ENG TECH
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