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Internal plasticizing monomer-modified acrylate/inorganic nano composite emulsion and preparation method thereof

A technology of acrylate and inorganic nanometers, applied in the direction of coating, etc., can solve the problems of reducing the effect of product promotion, insufficient gloss, dull color, etc., and achieve the effect of broadening the application range, excellent comprehensive performance, and improving gloss

Inactive Publication Date: 2014-02-05
湖北世安科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The gloss of paint and ink is mainly produced by the emulsion conjunctiva. The gloss has a great influence on the appearance of paint or ink products. The gloss is high, the color is bright, it looks more energetic, and it meets people's inner needs; gloss If the degree is poor, the color will be dull, giving people a feeling of staleness and depression, which will greatly reduce the promotional effect of the product
At present, water-based inks and water-based coatings generally have the disadvantage of insufficient gloss. In addition to external light sources, substrates and other reasons, the composition and properties of inks and coatings themselves will play a decisive role in gloss.

Method used

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  • Internal plasticizing monomer-modified acrylate/inorganic nano composite emulsion and preparation method thereof
  • Internal plasticizing monomer-modified acrylate/inorganic nano composite emulsion and preparation method thereof
  • Internal plasticizing monomer-modified acrylate/inorganic nano composite emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] ①Add 46.8g deionized water, 3.5g sodium lauryl sulfate, 0.06g dodecyl mercaptan, 145g acrylate main monomer and 5.3g maleic acid to the reactor with agitator and condenser Acetate dibutyl ester, stirring and mixing at room temperature to prepare a pre-emulsion;

[0033] ②Dissolve 0.6g of potassium persulfate and 0.09g of sodium bicarbonate into 46.8g of deionized water, stir and mix evenly at room temperature, and prepare the trigger solution;

[0034] 3. Add 2.4g nano-calcium carbonate and 62.4g deionized water to the reactor with agitator, condenser and constant flow pump feeding device, raise the temperature to 78, and add the total weight of the initiator solution prepared by step 2 in the reactor 30% of 30%, wait until the temperature rises to 78 again, and add 3% of the total weight of the pre-emulsion prepared in step 1 to the reactor in ℃;

[0035] ④ After 3-10 minutes, blue light will be generated in the reactor, and the reaction temperature will be controlled...

Embodiment 2

[0038] ①Add 48.3g deionized water, 3.5g sodium dodecylbenzenesulfonate, 0.06g dodecyl mercaptan, 145g acrylate main monomer and 5.3g Monobutyl maleate, stirred and mixed evenly at room temperature, prepared into a pre-emulsion;

[0039] ②Dissolve 0.6g of ammonium persulfate and 0.09g of ammonium bicarbonate into 48.3g of deionized water, stir and mix evenly at room temperature, and prepare the trigger solution;

[0040] ③Add 7.2g of nano-montmorillonite and 64.4g of deionized water to the reactor with agitator, condenser, and constant-flow pump feeding device, raise the temperature to 78, and add the initiator solution prepared in step ② to the reactor at ℃ 35% of the weight, wait until the temperature rises to 78 again, and add 8% of the total weight of the pre-emulsion prepared in step 1. to the reactor in ℃;

[0041]④ After 3-10 minutes, blue light will be generated in the reactor, and the reaction temperature will be controlled at 78-80°C, and the initiator solution prepa...

Embodiment 3

[0044] ①Add 49.8g deionized water, 3.5g alkylphenol polyoxyethylene ether, 0.06g dodecyl mercaptan, 145g acrylate main monomer and 5.3g rich Dibutyl maleate, stirred and mixed evenly at room temperature, prepared into a pre-emulsion;

[0045] 2. Dissolve 0.6g potassium thiosulfate and 0.09g ammoniacal liquor into 49.8g deionized water, stir and mix evenly at room temperature, and prepare the trigger solution;

[0046] ③ Add 12.08g of nano-alumina and 66.4g of deionized water to the reactor with agitator, condenser, and constant-flow pump feeding device, raise the temperature to 78, and add the total weight of the initiator solution prepared in step ② to the reactor 40% of the 40%, wait until the temperature rises to 78 again, 12% of the total weight of the pre-emulsion liquid prepared in step 1. is added to the reactor in ℃;

[0047] ④ After 3 to 10 minutes, blue light is generated in the reactor, and the reaction temperature is controlled at 78 to 80°C. The initiator solutio...

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Abstract

The invention discloses an internal plasticizing monomer-modified acrylate / inorganic nano composite emulsion and a preparation method thereof. The raw material of the internal plasticizing monomer-modified acrylate / inorganic nano composite emulsion is composed of the following components by weight percent: 30-60% of acrylate monomer, 1-10% of internal plasticizing monomer, 1-10% of inorganic nano-materials, 0.1-1% of initiator, 1-10% of emulsifier, 0.01-1% of buffer agent, 0.01-1% of lauryl mercaptan and the balance of deionized water. The internal plasticizing monomer is directly pre-emulsified together with the acrylate monomer in the preparation method; the inorganic nano-materials are directly added one time. The production process is simple in required equipment, convenient to operate, low in cost and high in safety. The acrylate emulsion is comprehensively modified by adopting the internal plasticizing monomer and the inorganic nano-materials, so that the composite emulsion has high strength after film formation, the toughness is also greatly improved. and the glossiness and the heat resistance are also greatly improved; the application scope of the emulsion is broadened.

Description

technical field [0001] The invention relates to a modified acrylate emulsion, in particular to an internal plasticizing monomer modified acrylate / inorganic nanometer composite emulsion and a preparation method thereof. Background technique [0002] Acrylate emulsion uses water as the medium, which is safe in production and has little environmental pollution. It overcomes the fatal shortcomings of solvent-based polymers and meets people's requirements for environmental protection of chemical products. And the process is simple, easy to operate, and flexible; and this type of emulsion has excellent performance, good stability (storage, freeze-thaw, machinery, etc.), high film transparency, good gloss, aging resistance, water resistance and Excellent acid resistance. These advantages endow acrylate emulsions with a wide range of uses, which can be used in water-based paints, writing materials, adhesives, and functional films, and are increasingly used in industries such as con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/10C08F222/14C08F222/16C08F2/44C08F2/24C08K3/26C08K3/22C08K3/36C08K3/34C09D133/04C09D7/12
Inventor 万品刚管蓉魏仁彪郭普生翟良芳鲁德平
Owner 湖北世安科技有限公司
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