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A kind of water-based paint and preparation method thereof

A water-based paint and formulation technology, applied in the direction of coating, can solve problems such as poor construction performance, and achieve the effects of good suspension, reduced energy consumption, and simple production process

Active Publication Date: 2019-03-26
上海三银制漆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention is to overcome the limitations of existing water-based coatings due to construction conditions (such as product viscosity, water ratio, pH value, construction personnel, construction environment and other factors), and the defects of poor construction performance, providing A kind of water-based paint and preparation method thereof

Method used

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  • A kind of water-based paint and preparation method thereof
  • A kind of water-based paint and preparation method thereof
  • A kind of water-based paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The raw material formulation (wt %) of the aqueous paint of embodiment 1 is as follows table 1.

[0072] Table 1

[0073]

[0074]

[0075] The preparation method of this aqueous paint comprises the steps:

[0076] (1) Stir xanthan gum solution and 48.0wt% deionized water at a rotating speed of 1200rpm, mix and dissolve to obtain solution A; The defoamer and solution A were stirred at a speed of 800rpm, and mixed uniformly to obtain solution B; solution B, inorganic pigments, fillers and 35.0wt% deionized water were stirred at a speed of 1500rpm at room temperature, mixed evenly, and dispersed to The particle size of the inorganic pigment and inorganic filler is below 45 μm to obtain slurry C;

[0077] (2) At a stirring speed of 600rpm, add the remaining wetting and dispersing agent, remaining carbomer, remaining defoamer, bactericide, acrylic emulsion, coalescent, antifreeze and remaining deionized water, mix evenly, then;

[0078] Wherein, percentages are we...

Embodiment 2

[0080] The raw material formula (wt%) of the water-based coating of embodiment 2 is as follows table 2.

[0081] Table 2

[0082]

[0083]

[0084] The preparation method of this aqueous paint comprises the steps:

[0085](1) Xanthan gum and 50.0wt% deionized water are stirred at a rotating speed of 1100rpm, mixed and dissolved to obtain solution A; Stir the defoamer and solution A at a speed of 700rpm, mix uniformly to obtain solution B; stir solution B, inorganic pigments, fillers and 28.0wt% deionized water at room temperature at a speed of 1400rpm, mix uniformly, and disperse into the inorganic The particle size of pigments and fillers is below 45 μm to obtain slurry C;

[0086] (2) At a stirring speed of 700rpm, add the remaining wetting and dispersing agent, remaining carbomer, remaining defoamer, bactericide, acrylic emulsion, coalescent, antifreeze and remaining deionized water, mix evenly, and you can;

[0087] Wherein, percentages are weight percentages rel...

Embodiment 3

[0089] The raw material formulation (wt%) of the water-based coating of embodiment 3 is as follows table 3.

[0090] table 3

[0091]

[0092]

[0093] The preparation method of this aqueous paint comprises the steps:

[0094] (1) Stir xanthan gum and 52.0wt% deionized water at a rotating speed of 1000rpm, mix and dissolve to obtain solution A; mix 50.0wt% wetting and dispersing agent, 30.0wt% carbomer and 50.0wt% Stir the defoamer and solution A at a speed of 600rpm, mix uniformly to obtain solution B; stir solution B, inorganic pigments, fillers and 28.0wt% deionized water at room temperature at a speed of 1200rpm, mix uniformly, and disperse into the inorganic The particle size of pigments and fillers is below 45 μm to obtain slurry C;

[0095] (2) At a stirring speed of 800rpm, add the remaining wetting and dispersing agent, remaining carbomer, remaining defoamer, bactericide, acrylic emulsion, coalescent, antifreeze and remaining deionized water, mix evenly, and ...

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Abstract

The present invention discloses a waterborne coating and a preparation method therefor. The raw material formula of the waterborne coating comprises: 15.2-50.2% of an acrylic emulsion, 0.065-0.09% of xanthan gum, 10.5-18.8% of an inorganic pigment, 16.0-29.8% of filler, 0.6-2.3% of a wetting dispersant, 0.1-0.5% of a defoamer, 0.4-4.0% of a fungicide, 0.1-3.2% of carbomer, 0.6-3.0% of a film-forming assistant, 1.0-4.2% of an antifreezing agent, and 20.0-29.0% of water. The waterborne coating provided by the present invention has good suspension property, emulsifying property, dispersibility and stability, is good in service performance, and is capable of meeting requirements of individual construction of DIY. The paint film prepared by the waterborne coating is quite excellent in alkali resistance, scrub resistance and stain resistance. The waterborne coating is suitable for places with a high requirement for storage stability, a short construction period and a requirement for low maintenance costs, and relatively harsh construction conditions.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based coating and a preparation method thereof. Background technique [0002] As the saying goes, "Three points of coating and seven points of construction", the performance of coating products has an extremely important impact on the construction of coatings. During the construction of the coating, due to the different construction methods, the performance of the final coating will vary greatly. Therefore, during product construction, there are often many restrictions on the construction environment, water quality requirements, construction personnel professional requirements, experience requirements, etc. If the above requirements of water-based coatings cannot be met, the coating after construction will not meet expectations. The effect and performance level of the coating film, which will lead to product failure, delay in construction period and cost a lot of rework cost. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D125/14C09D7/61C09D7/63
Inventor 马安荣池钟慷郑巧玲何小敏胡祥顺
Owner 上海三银制漆有限公司
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