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Exterior wall water-whitening-resistant colorful environment-friendly paint and preparation method thereof

An environmentally friendly coating, white and colorful technology, applied in the direction of multi-color effect coatings, coatings, etc., to achieve the effects of reducing color difference, reducing construction stubble problems, and reducing production costs

Inactive Publication Date: 2016-07-20
BNSA NEW MATERIAL SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, with the maturity of colorful coating technology, the stability of products is getting better and better, and the market promotion and use are getting stronger and stronger. Some problems in actual application and construction are also becoming more prominent. After the construction is completed, except In addition to the acquaintance of marble, the requirements for water and weather resistance of the outside world are getting higher and higher. At present, there is no paint that has both elongation, water resistance and weather resistance as the main material of colorful coatings to solve the problem of water whitening resistance. Related reports on relief

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method for a waterproof white and colorful environmental-friendly coating for exterior walls, the method comprising the following steps:

[0030] (1) All 45kg of water is put into the stirring tank according to the formula requirements, and stirred at 300 rpm;

[0031] (2) Keep stirring and put CS-250.8kg, BS-121kg, RA-1000.2kg into the stirring tank in turn, and stir evenly;

[0032] (3) After mixing evenly, add the powder: 0.5kg of rutile exterior wall titanium dioxide, 10kg of kaolin, 0.7kg of HM-280.7kg, and 0.2kg of B-100K into the stirring tank according to the order of the formula, adjust the speed to 1200 rpm, and carry out 45 minutes of stirring;

[0033] (4) After high-speed dispersion, reduce to 500 rpm at a low speed, and add 30 kg of the resin synthetic emulsion into the stirring tank; the particle size of the resin synthetic emulsion is 0.1-0.2 microns, and the viscosity is 200-1000 Pa·s, and the detection condition is :4#.30rpm, 25℃, with ...

Embodiment 2

[0037] A preparation method for a waterproof white and colorful environmental-friendly coating for exterior walls, the method comprising the following steps:

[0038] (1) All 35kg of water is put into the stirring tank according to the formula requirements, and stirred at 300 rpm;

[0039] (2) Keep stirring and put CS-250.8kg, BS-120.5kg, RA-1000.2kg into the stirring tank in turn, and stir evenly;

[0040] (3) After mixing evenly, add the powder: 0.1kg of rutile exterior wall titanium dioxide, 9.7kg of kaolin, 0.1kg of HM-280.1kg, and 0.1kg of B-100K into the stirring tank according to the order of the formula, and adjust the speed to 1500 rpm. Stir for 50 minutes;

[0041] (4) After high-speed dispersion, reduce to a low speed of 500-600 rpm, and add 25 kg of resin synthetic emulsion into the stirring tank; the particle size of the resin synthetic emulsion is 0.1-0.2 microns, and the viscosity is 200-1000 Pa·s. The conditions are: 4#.30rpm, 25°C, with excellent elongation,...

Embodiment 3

[0045] A preparation method for a waterproof white and colorful environmental-friendly coating for exterior walls, the method comprising the following steps:

[0046] (1) All 50kg of water is put into the stirring tank according to the formula requirements, and stirred at 600 rpm;

[0047] (2) Keep stirring and put CS-250.8kg, BS-122kg, RA-1000.4kg into the stirring tank in turn, and stir evenly;

[0048] (3) After mixing evenly, add the powder: 1kg of rutile exterior wall titanium dioxide, 15kg of kaolin, HM-281kg, and B-100K0.5kg into the stirring tank in sequence according to the formula, and adjust the speed to 1600 rpm for 60 minutes stirring;

[0049] (4) After high-speed dispersion, reduce to a low speed of 500-600 rpm, and add all 40 kg of resin synthetic emulsion into the stirring tank; the particle size of the resin synthetic emulsion is 0.1-0.2 microns, and the viscosity is 200-1000 Pa·s. The conditions are: 4#.30rpm, 25°C, with excellent elongation, and the emulsio...

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Abstract

The invention relates to an exterior wall water-whitening-resistant colorful environment-friendly paint and a preparation method thereof. The paint comprises the components of, by weight, 25-40 parts of resin synthetic emulsion, 10-20 parts of powders, 4-8 parts of auxiliary agents, and 35-50 parts of water. According to the formula, all water is first added into a stirring kettle, and stirring is carried out with a speed of 300-600r / m; under continuous stirring, the first three among the auxiliary agents are sequentially added into the stirring kettle, and the mixture is well mixed by stirring; the powders are sequentially added into the stirring kettle according to the order in the formula; the stirring speed is adjusted to 1200-1600r / m, and stirring is carried out for 45-60min; after high-speed dispersion, the stirring speed is reduced to a low speed of 500-600r / m; all the resin synthetic emulsion is added into the stirring kettle; when the resin synthetic emulsion is well mixed, the rest part of the auxiliary agents are added; and a thickening agent is added under slow stirring, until a needed viscosity is reached. Compared with prior arts, the method provided by the invention has the advantages of low cost and simple process, and the product has the advantages of good elasticity, good weatherability and the like.

Description

technical field [0001] The invention relates to a base paint, in particular to a waterproof white and colorful environmental protection paint for exterior walls and a preparation method thereof. Background technique [0002] Colorful paint is composed of continuous phase or dispersion medium and dispersed phase. The continuous phase has low concentration and low viscosity; the dispersed phase has high concentration and high viscosity and contains colored pigments. Under the action of stirring, the dispersed phases of different colors are respectively dispersed into the continuous phase to form fine particles or droplets visible to the naked eye, and then mixed. It is also possible to disperse coloring base materials of different colors into the medium at one time to form multicolored coatings. According to the nature of the two phases. Colorful coatings can be divided into four categories: oil-in-water type, water-in-oil type, oil-in-oil type and water-in-water type. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/29C09D7/12
Inventor 侯进全
Owner BNSA NEW MATERIAL SHANGHAI CO LTD
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