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Waterproof and antibacterial adhesive special for wood products and preparation method thereof

A technology of wood products and antibacterial glue, applied in the direction of adhesive additives, adhesive types, starch adhesives, etc., can solve the problems of poor corrosion resistance and waterproof performance, inability to antibacterial for a long time, short service life, etc., to achieve Long waterproof life, enhanced light resistance and long-lasting performance, good inhibitory effect

Active Publication Date: 2021-07-13
肖可牧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Both of the above two adhesives have certain adhesion and water resistance, but their corrosion resistance and waterproof performance are poor, and they cannot be antibacterial for a long time, and their service life is short.

Method used

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  • Waterproof and antibacterial adhesive special for wood products and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0023] A special waterproof and antibacterial adhesive for wood products, made of raw materials in parts by weight as shown in Table 1. Wherein, the antibacterial agent is composed of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, nano-titanium dioxide, nano-silver and a coupling agent. The anticorrosion agent is sodium diacetate. The waterproofing agent is sodium methyl siliconate.

[0024] The preparation method of the special waterproof and antibacterial adhesive for wood products comprises the following steps:

[0025] S1: After mixing glutinous rice flour, sweet potato starch, and 3 / 4 parts by weight of water, put it in a mixer at a temperature of 60°C and a speed of 100 r / min and stir for 20 minutes to obtain a mixed slurry 1;

[0026] S2: After the mixed slurry 1 drops to room temperature, add polyvinyl alcohol and the remaining 1 / 2 parts by weight of water to mix, and stir at room temperature at a speed of 200r / min for 30min to obtain the mixed slurry 2;

[0027] S3: ...

Embodiment 2

[0029]A special waterproof and antibacterial adhesive for wood products, made of raw materials in parts by weight as shown in Table 1. Wherein, the antibacterial agent is composed of 2-n-octyl-4-isothiazol-3 ketone, nano-titanium dioxide, nano-silver and a coupling agent. The anti-corrosion agent is butyl p-hydroxybenzoate. The waterproofing agent is polybutylene succinate.

[0030] The preparation method of the special waterproof and antibacterial adhesive for wood products comprises the following steps:

[0031] S1: After mixing glutinous rice flour, sweet potato starch, and 3 / 4 parts by weight of water, place it in a mixer at a temperature of 65° C. and stir at a speed of 150 r / min for 15 minutes to obtain a mixed slurry 1;

[0032] S2: After the mixed slurry 1 drops to room temperature, add polyvinyl alcohol and the remaining 1 / 2 parts by weight of water to mix, and stir at room temperature at a speed of 250r / min for 25min to obtain the mixed slurry 2;

[0033] S3: Mix ...

Embodiment 3

[0035] A special waterproof and antibacterial adhesive for wood products, made of raw materials in parts by weight as shown in Table 1. Wherein, the antibacterial agent is composed of n-butylbenzisothiazolinone, nano-titanium dioxide, nano-silver, and a coupling agent. The anticorrosion agent is sodium diacetate. The waterproofing agent is polybutylene succinate.

[0036] The preparation method of the special waterproof and antibacterial adhesive for wood products comprises the following steps:

[0037] S1: After mixing glutinous rice flour, sweet potato starch, and 3 / 4 parts by weight of water, place it in a mixer at a temperature of 70° C. and stir at a speed of 200 r / min for 10 minutes to obtain a mixed slurry 1;

[0038] S2: After the mixed slurry 1 drops to room temperature, add polyvinyl alcohol and the remaining 1 / 2 parts by weight of water to mix, and stir at room temperature at a speed of 300r / min for 20min to obtain the mixed slurry 2;

[0039] S3: Mix the anti-co...

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Abstract

The invention provides a special waterproof and antibacterial adhesive for wood products and a preparation method thereof, which belongs to the technical field of adhesives and is made of the following raw materials in parts by weight: 55-65 parts of glutinous rice flour, 20-28 parts of sweet potato starch, poly 10-15 parts of vinyl alcohol, 4-6 parts of anti-corrosion agent, 2-3 parts of waterproofing agent, 2.7-3.5 parts of antibacterial agent, 22-30 parts of biological binder, and 360-380 parts of water. The invention has excellent comprehensive performance, waterproof and corrosion resistance, good inhibitory effect on Escherichia coli and Staphylococcus aureus, excellent antibacterial effect and good stability.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to a special waterproof and antibacterial adhesive for wood products and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, the application of wood products is becoming more and more extensive. In the process of making wood products, a large amount of adhesive is needed. Through the adhesion and cohesion of the interface, two or more parts or Materials are joined together. At present, the commonly used adhesives on the market are mainly "tripolymer glue", which will release carcinogens and seriously affect the environment and human health. Subsequently, polyurethane adhesives appeared, which have the advantages of good flexibility and high tensile strength. However, during long-term use, this type of adhesive is affected by its own raw materials and the surrounding environment, which easily leads to bacterial ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J103/02C09J129/04C09J103/06C09J11/06C09J11/04C09J11/08
CPCC08K2003/0806C08K2003/2241C08K2201/011C08L2205/025C08L2205/035C09J11/04C09J11/06C09J11/08C09J103/02C08L3/02C08L29/04C08L3/06C08K13/02C08K5/47C08K3/22C08K3/08C08K5/098C08K5/5419C08L67/02C08K5/1345
Inventor 肖可牧
Owner 肖可牧
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