Insect-proof and mildew-proof composite urea resin and production method thereof

A urea-formaldehyde resin and anti-insect technology, which is applied in the direction of adhesive types, adhesive additives, starch-derived adhesives, etc., can solve the problems of board warpage, severe musty smell, and rot, etc., and achieve increased strength and anti-insect effects Long-lasting, simple-to-process results

Inactive Publication Date: 2016-12-21
南宁市创锦胶合板有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned technical defects, the purpose of the present invention is to provide an insect-proof and mildew-proof composite urea-formaldehyde resin and its production method, so as to solve the problem that the current wooden products are deformed due to air humidity, and even moldy and rotten, which cause indoor musty smell. Seriously, after long-term moisture absorption, the board will warp and deform due to the difference in expansion force. Develop a composite urea-formaldehyde resin with strong water resistance, high bonding strength, low formaldehyde residual, and insect-proof and mildew-proof properties.

Method used

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  • Insect-proof and mildew-proof composite urea resin and production method thereof

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Experimental program
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Effect test

Embodiment 1

[0048] An insect-proof and mildew-proof composite urea-formaldehyde resin is composed of the following raw materials in parts by weight:

[0049] 50 parts of melamine modified urea-formaldehyde resins;

[0050] 20 parts of oxidized starch;

[0051] 1 part polyvinyl alcohol;

[0052] 3 parts hydrogenated rosin;

[0053] 2 parts of propylene glycol polyoxypropylene polyvinyl ether;

[0054] 4 parts polyisocyanate;

[0055] 0.5 parts of isobutyltriethoxysilane;

[0056] 5 parts of phenolized lignin;

[0057] 100 parts of water;

[0058] 2.1 parts of anti-insect and anti-mildew agent.

[0059] The insect-proof and mildew-proof agent is a mixture of activated carbon powder, bamboo charcoal powder, garlic powder and chili powder, and its weight ratio is successively 2:3:1:1, wherein 0.6 part of activated carbon powder, 0.9 part of bamboo charcoal powder, garlic powder and chili powder Each powder is 0.3 parts. The activated carbon powder, bamboo charcoal powder, garlic powd...

Embodiment 2

[0062] An insect-proof and mildew-proof composite urea-formaldehyde resin is composed of the following raw materials in parts by weight:

[0063] 70 parts of melamine modified urea-formaldehyde resins;

[0064] 24 parts of oxidized starch;

[0065] 1.8 parts of polyvinyl alcohol;

[0066] 5 parts hydrogenated rosin;

[0067] 2.5 parts of propylene glycol polyoxypropylene polyvinyl ether;

[0068] 5 parts of polyisocyanate;

[0069] 3 parts of isobutyltriethoxysilane;

[0070] 7 parts of phenolized lignin;

[0071] 150 parts of water;

[0072] 2.8 parts of anti-insect and anti-mildew agent.

[0073] The insect-proof and mildew-proof agent is a mixture of activated carbon powder, bamboo charcoal powder, garlic powder and chili powder, and its weight ratio is successively 2:3:1:1, wherein 0.8 parts of activated carbon powder, 1.2 parts of bamboo charcoal powder, garlic powder and chili powder Each powder is 0.4 parts. The activated carbon powder, bamboo charcoal powder, ...

Embodiment 3

[0076] An insect-proof and mildew-proof composite urea-formaldehyde resin is composed of the following raw materials in parts by weight:

[0077] 80 parts of melamine modified urea-formaldehyde resins;

[0078] 28 parts of oxidized starch;

[0079] 2 parts polyvinyl alcohol;

[0080] 6 parts of hydrogenated rosin;

[0081] 3 parts of propylene glycol polyoxypropylene polyvinyl ether;

[0082] 5 parts of polyisocyanate;

[0083] 4 parts of isobutyltriethoxysilane;

[0084] 8 parts of phenolized lignin;

[0085] 180 parts of water;

[0086] 3.5 parts of anti-insect and anti-mildew agent.

[0087] The insect-proof and mildew-proof agent is a mixture of activated carbon powder, bamboo charcoal powder, garlic powder and chili powder, and its weight ratio is successively 2:3:1:1, wherein 1.4 parts of activated carbon powder, 2.1 parts of bamboo charcoal powder, garlic powder and chili powder Each powder is 0.7 parts. The activated carbon powder, bamboo charcoal powder, garl...

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Abstract

The invention discloses insect-proof and mildew-proof composite urea resin and a production method thereof. The resin comprises the following raw materials: melamine modified urea resin, oxidized starch, polyvinyl alcohol, hydrogenated rosin, propylene glycol polyoxypropylene polyvinyl ether, polyisocyanate, isobutyltriethoxysilane, phenolate lignin, clear water and an insert-resistant mildew-proof agent. The production method comprises the following steps: putting the clear water into a reaction kettle, heating the clear water to be 80 to 100 DEG C, adding the hydrogenated rosin, the isobutyltriethoxysilane and the propylene glycol polyoxypropylene polyvinyl ether, stirring, adding the polyvinyl alcohol and the phenolate lignin, dissolving the polyvinyl alcohol and the phenolate lignin, adding the melamine modified urea resin, the oxidized starch and the insert-resistant mildew-proof agent, performing a stirring reaction for 2 to 5 hours while keeping the temperature to be 80 to 90 DEG C, adding the polyisocyanate before use, and uniformly mixing and stirring. The resin is high in water resistance and bonding strength, low in formaldehyde residual volume, and obvious in insect-proof and mildew-proof effects, prolongs the service lives of panels, and has a high promotion value.

Description

technical field [0001] The invention belongs to the field of adhesive production, in particular to an insect-proof and mildew-proof composite urea-formaldehyde resin and a production method thereof. Background technique [0002] With the development of China's economy and the improvement of people's living standards, the requirements for home decoration are also constantly increasing. Because of its natural and beautiful texture and good texture, wooden floor has become the first choice material for home floor decoration. Solid wood composite flooring overcomes the shortcomings of solid wood flooring wet expansion and shrinkage, has good dimensional stability, and at the same time retains the natural wood grain and comfortable foot feel of solid wood flooring, thus becoming an important variety in flooring. The production of solid wood composite flooring The amount of urea-formaldehyde resin floor glue used has also increased. Urea-formaldehyde resin or modified urea-forma...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): C09J161/32C09J103/10C09J11/06C09J11/08C09J11/04
CPCC09J161/32C08L2205/035C09J11/04C09J11/06C09J11/08C08L3/10C08L29/04C08L93/04C08L97/005C08L71/02C08K13/02C08K5/5419C08K3/04C08K5/372C08K5/20
Inventor王飞虎胡海强李宁
Owner南宁市创锦胶合板有限责任公司