Organic montmorillonite and application thereof

A technology of organic montmorillonite and montmorillonite, applied in the treatment of dyed low-molecular organic compounds, monocarboxylate copolymer adhesives, adhesive types, etc., can solve environmental pollution, corrosive smoke, Toxic and other problems, to achieve the effect of low cost, fast initial adhesion and high bonding strength

Active Publication Date: 2016-01-06
顶立新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the flame-retardant materials of halogenated flame retardants, a large amount of toxic and corrosive smoke will be produced when burning, which will pollute the environment

Method used

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  • Organic montmorillonite and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Preparation of organic montmorillonite:

[0028] (1.1) Put 20 kg of natural montmorillonite in a device that has been added with 100 kg of water, stir for about 2.5 hours, let it stand for 5 hours, and then remove the lower layer of coarse sand larger than 200 mesh.

[0029] (1.2) Add 3 kilograms of sodium hexametaphosphate again, add 0.6 kilograms of concentration and be 33wt% hydrochloric acid solution, make the pH value of system be 5-6, after stirring, further divide and be greater than 400 order detritus minerals (feldspar, carbonate Wait);

[0030] (1.3) Repeat step 1.2 for 2 times to obtain the montmorillonite slurry or suspension, that is, the montmorillonite after purification and sodiumization;

[0031] (1.4) Organicization: Add 2.0 kg of cocamidopropyl betaine to the above-mentioned purified sodium montmorillonite solution while stirring, heat and stir in a water bath at 80°C for 2.0 hours, filter and dry, pass through 600 mesh after grinding Sieve, the...

Embodiment 2

[0037] (1) Preparation of organic montmorillonite:

[0038] (1.1) Put 25 kg of natural montmorillonite in a device that has added 110 kg of water, stir for about 2.8 hours, let stand for 5.5 hours, and then remove the lower layer of coarse sand greater than 200 mesh.

[0039] (1.2) Add 3.5 kilograms of sodium hexametaphosphate again, add 0.7 kilograms of concentration and be 33% hydrochloric acid solution, make the pH value of the system 5-6, after stirring, further divide and be greater than 400 order detritus minerals (feldspar, carbonate Wait);

[0040] (1.3) Repeat step 1.2 for 2 times to obtain the montmorillonite slurry or suspension, that is, the montmorillonite after purification and sodiumization;

[0041] (1.4) Organicization: Add 2.1 kg of octadecamidopropyl betaine to the above-mentioned purified sodium montmorillonite solution while stirring, heat and stir in a water bath at 81°C for 2.3 hours, filter and dry, and pass through 600°C after grinding. Mesh sieve, the...

Embodiment 3

[0047] (1) Preparation of organic montmorillonite:

[0048] (1.1) Put 30 kg of natural montmorillonite in a device that has been added with 120 kg of water, stir for about 3.0 hours, let stand for 6.0 hours, and then remove the lower layer of coarse sand greater than 200 mesh.

[0049] (1.2) Add 4 kilograms of sodium hexametaphosphate again, add 0.8 kilograms of concentration and be 33% hydrochloric acid solution, make the pH value of the system 5-6, after stirring, further divide and be greater than 400 mesh clastic minerals (feldspar, carbonate Wait);

[0050] (1.3) Repeat step 1.2 for 3 times to obtain the montmorillonite slurry or suspension, that is, the montmorillonite after purification and sodiumization;

[0051] (1.4) Organicization: Add 1 kg of octadecamidopropyl betaine and 1.2 kg of cocamidopropyl betaine to the above-mentioned purified sodium montmorillonite solution while stirring, heat and stir in a water bath at 82°C for 2.5 After one hour, filter and dry, pa...

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Abstract

The invention discloses organic montmorillonite and application thereof. The organic montmorillonite is obtained by modifying montmorillonite so that adhesives can be prepared, wherein the organic montmorillonite has effects on gel protection and emulsification in the copolymerization process of vinyl acetate. Layered montmorillonite is dispersed in a polymer matrix and has the advantages of being high in storage stability, uniform in dispersion and high in interface bonding strength. Meanwhile, montmorillonite belongs to inorganic flame retardant and has the advantages of being excellent in mechanical performance, gas barrier property and fire retarding effect, low in cost, convenient to machine and the like, the mechanical performance of polymers is improved, and a new approach is created for polymer fire retardance.

Description

technical field [0001] The invention relates to an adhesive preparation technology, in particular to an organic montmorillonite and its application. Background technique [0002] Water-based polyvinyl acetate adhesive is currently one of the most widely used and used environmentally friendly adhesives. It is obtained by emulsion polymerization with water as the dispersion medium, and is a water-based environmentally friendly adhesive. It is widely used in wood, furniture, decoration, printing, textiles, etc. , leather, paper and other industries, is a very environmentally friendly adhesive. Fast drying, good initial tack, good workability; strong adhesion, high compressive strength; strong heat resistance. Widely used in semi-outdoor and outdoor particleboard, plywood, laminated wood and wood cold-setting finger joints. These plywood boards are widely used in the manufacturing process of wooden doors and other furniture. The boards have large format, many varieties, good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J131/04C09J11/04C08F218/08C08F220/06C08F220/28C09C1/28C09C3/08
Inventor 刘维均罗平牟海燕宋志强徐建
Owner 顶立新材料科技股份有限公司
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