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High-hydroxy silicon-acrylate aqueous glass coating emulsion and synthesis method thereof

A silicon acrylate and glass coating technology, applied in the coating and other directions, can solve the problems of environmental pollution, high price of water-based amino resin, no mention of coating emulsion synthesis, etc., and achieve the effect of simple preparation process and good water resistance

Inactive Publication Date: 2011-06-22
DALIAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Although the glass coatings disclosed in the above-mentioned Chinese patents CN1031386A, CN1144238A, and CN1948199A can be used to decorate the surface of glass and glass products, organic solvents are added in the coating preparation process, which will pollute the environment and even affect people's health.
And Chinese patent CN1948200A is water-based glass coating, mainly adopts water-based silicone acrylic resin and water-based amino resin and other auxiliary preparations, does not mention the synthesis of coating emulsion, and the price of water-based amino resin is higher

Method used

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  • High-hydroxy silicon-acrylate aqueous glass coating emulsion and synthesis method thereof
  • High-hydroxy silicon-acrylate aqueous glass coating emulsion and synthesis method thereof
  • High-hydroxy silicon-acrylate aqueous glass coating emulsion and synthesis method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The raw material formula of high hydroxyl silicon-containing acrylate water-based glass coating emulsion is shown in Table 1:

[0045] Table 1 High hydroxyl silicon-containing acrylate emulsion formula

[0046]

[0047] Its synthesis method is:

[0048] ① Mix emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate 0.6g, deionized water 34g, hydroxyethyl acrylate 15g, methyl methacrylate 50g, butyl acrylate 30g, vinyltriethoxysilane 5g Sequentially add to the pre-emulsification tank, and continue to stir at room temperature at a stirring rate of 500rpm for 15 minutes to pre-emulsify it to obtain a pre-emulsion;

[0049] ② Add emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate 0.3g, sodium bicarbonate 0.3g and deionized water in sequence in the reaction kettle equipped with thermometer, constant pressure dropping funnel, reflux condenser and stirrer 40g, put into a water bath, mix evenly at a stirring rate of 350rpm and heat up;

[0050] ③Wh...

Embodiment 2

[0055] The raw material formula of high hydroxyl silicon-containing acrylate water-based glass coating emulsion is shown in Table 2:

[0056] Table 2 Formula of silanol-containing acrylate emulsion

[0057]

[0058] Its synthesis method is:

[0059] ①Add 0.6g of emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate, 34g of deionized water, 15g of hydroxyethyl acrylate, 57g of styrene, 23g of butyl acrylate, and 5g of vinyl triethoxysilane to the pre- In the emulsification kettle, it was pre-emulsified at room temperature at a stirring rate of 500 rpm for 15 minutes to obtain a pre-emulsion;

[0060] ② Add emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate 0.3g, sodium bicarbonate 0.4g and deionized water in sequence in the reaction kettle equipped with thermometer, constant pressure dropping funnel, reflux condenser and stirrer 40g, put into a water bath, mix evenly at a stirring rate of 350rpm and heat up;

[0061] ③When the reaction temperatu...

Embodiment 3

[0066] The raw material formula of high hydroxyl silicon-containing acrylate water-based glass coating emulsion is shown in Table 3:

[0067] Table 3 Formula of Silicone Hydroxyl Acrylate Emulsion

[0068]

[0069] Its synthesis method is:

[0070] ①The emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate 0.48g, OP-100.1g, deionized water 34g and hydroxyethyl acrylate 10g, methyl methacrylate 50g, butyl acrylate 30g, isooctyl acrylate Add 5 g of ester and 5 g of vinyltriethoxysilane into the pre-emulsification tank in sequence, and continue stirring at room temperature at a stirring rate of 500 rpm for 15 minutes to pre-emulsify it to obtain a pre-emulsion;

[0071] ② Add emulsifier nonylphenol polyoxyethylene (4) ether ammonium sulfate 0.24g, OP-100.1g, sodium bicarbonate 0.3 g and 40g of deionized water, put into a water bath and mix evenly at a stirring rate of 350rpm and heat up;

[0072] ③ When the reaction temperature rises to 60°C, the stirring rate i...

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Abstract

The invention discloses high-hydroxy silicon-acrylate aqueous glass coating emulsion and a synthesis method thereof. The high-hydroxy silicon-acrylate emulsion with a particle size between 100 and 180 nanometers and a solid content of 40 to 48 percent is prepared by adopting a monomer pre-emulsification method and a semi-continuous seed emulsion polymerization process and by introducing a hydroxymonomer containing double bonds and organic silicon functional monomer containing double bonds in a polymerization process of acrylate emulsion. The emulsion is low in gel rate and high in stability and can be stored for more than one year. After being added with a curing agent, the emulsion is coated on a glass surface and baked for 2 hours at 20 DEG C to be cured into a film, the film-coated pencil hardness is more than or equal to 2H, the adhesive force of the film is of grade one, the film has high waterproof performance, the cost of the emulsion is low and the preparation process of the emulsion is simple.

Description

technical field [0001] The invention belongs to the field of glass coating industry, and in particular relates to a high-adhesion high-hydroxyl organosilicon-modified acrylate water-based glass coating emulsion and a synthesis method thereof. Background technique [0002] my country's economy has grown rapidly, and various constructions have made great achievements, but it has also paid a huge price for the destruction of resources and the environment. The contradiction between economic development and the destruction of resources and environment has become increasingly acute, and the masses have responded strongly to environmental pollution. In recent years, the total output value of my country's architectural decoration industry has been increasing at a rate of about 20%. With the implementation of the country's goal of building a well-off society in an all-round way, urban and rural housing construction will still become the growth point of my country's economy and consump...

Claims

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Application Information

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IPC IPC(8): C09D133/12C09D125/14C09D7/12C03C17/30C08F220/14C08F220/18C08F220/28C08F230/08C08F2/24C08F212/08
Inventor 刘国军贺琳张桂霞刘素花刘俊龙
Owner DALIAN POLYTECHNIC UNIVERSITY
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