Preparation method of low-carbon light reflecting energy-saving coating

A technology of energy-saving coatings and reflective light, which is applied in the direction of reflection/signal coatings, coatings, fibrous fillers, etc., can solve the problems of few types, affecting the film-forming characteristics and comprehensive mechanical properties of coatings, and achieve low cost and compatibility The effect of increasing and reducing the VOC content

Inactive Publication Date: 2011-06-22
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

However, the above-mentioned various methods are still not perfect in polymerization technology and process, such as the control of the ratio of soft and hard monomers, the control of molecular weight and molecular weight distribution, etc. directly affect the T of the polymer. Kg and MFT are two important parameters, which affect the film-forming characteristics and comprehensive mechanical properties of the coating
At present, there are few types of high-boiling film-forming additives used in water-based coatings, and the compatibility research with other additives-defoamers, wetting agents, dispersants and other additives has not been reported. In terms of industrial production and market Coatings are in the transition phase to zero-VOC products

Method used

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  • Preparation method of low-carbon light reflecting energy-saving coating
  • Preparation method of low-carbon light reflecting energy-saving coating
  • Preparation method of low-carbon light reflecting energy-saving coating

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Embodiment Construction

[0029] The technical solution of the present invention will be described in detail below through specific examples.

[0030] The paint of the present invention is prepared by adding various additives and water after modification of titanium dioxide, zinc oxide, talcum powder, kaolin and calcium carbonate pigments and fillers, and then adding emulsion. The composition of various pigments, fillers, additives and emulsions The proportioning is shown in Table 1, and according to the proportioning in Table 1, taking the preparation of 76Kg coating as an example (removing loss), the specific preparation steps are as follows:

[0031] The first step: preparation of modified pigments and fillers

[0032] Modification of titanium dioxide: First, stir 0.26Kg of titanate coupling agent KR-201 and 0.52Kg of isopropanol in a beaker at a low speed (250r / min), and then transfer them into a spherical funnel (the bottom end is made of nylon wire Net seal), then put 17Kg of titanium dioxide in...

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Abstract

The invention discloses a preparation method of a low-carbon light reflecting energy-saving coating. The method comprises the following steps of: modifying various pigments-fillers by using a chelate titanate coupling agent; adding an aid and water into the pigments and fillers, and grinding the pigments and fillers into slurry; and adding a base material into the slurry for blending into the coating. The reflectivity of the coating obtained by the method is increased to 85-90 percent, and the content of VOC (Volatile Organic Compound) is greatly lowered.

Description

technical field [0001] The invention relates to water-based coatings, in particular to low-carbon environmental protection reflective light energy-saving coatings. Background technique [0002] With the rapid development of my country's construction industry, building energy consumption has also increased accordingly. In recent years, the energy consumption of residential buildings in the country has accounted for 12.6% of the total energy consumption in the country when there is basically no hot water supply. In some severe cold regions, urban building energy consumption is as high as about 50% of local energy consumption. The Ministry of Construction has proposed that "by 2010, the total energy consumption of urban buildings in the country should basically achieve 50% energy saving, and by 2020, the northern and coastal economically developed regions and megacities should achieve the goal of 65% building energy saving." This will bring huge business opportunities to the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/02C09D5/33C09D7/12C09C3/08C09C1/36C09C1/04C09C1/28C09C1/02
Inventor 靳涛曾荣昌王忠卫刘欣
Owner SHANDONG UNIV OF SCI & TECH
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