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Inorganic pigment color paste and preparing method thereof

A technology of inorganic pigments and color pastes, applied in the direction of pigment pastes, latex paints, etc., can solve the problems of poor moisturizing performance of color pastes, difficulty in commercialization, and inapplicability, achieve good storage stability, and facilitate industrial production and manufacturing low cost effect

Inactive Publication Date: 2010-06-30
SUZHOU SUNMUN TECH CO LTD
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Problems solved by technology

However, the color paste obtained by this method has very poor moisturizing performance and cannot pass the aforementioned detection, so it cannot be applied in practice and is difficult to achieve commercialization

Method used

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  • Inorganic pigment color paste and preparing method thereof

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Embodiment Construction

[0029] The formula of the embodiment of the invention is referring to Table 1:

[0030] Table 1: (unit: weight percentage)

[0031]

[0032] According to above-mentioned prescription, preparation method carries out as follows:

[0033] ①. Add deionized water, moisturizing antifreeze and additives into the mixer and disperse for 15 minutes at a speed of 300-800r / min (300-800 revolutions per minute) to obtain a uniformly mixed solution;

[0034] ②. Add all the inorganic pigments into the homogeneously mixed solution obtained in step ①, disperse at a speed of 2000-3000r / min (2000-3000 rpm) for 30 minutes or more, and slowly add a pH regulator during the dispersion process , to obtain premixed inorganic pigment paste;

[0035] ③. Grinding the pre-mixed inorganic pigment color paste obtained in step ②, and stop grinding when the fineness is ≤20.0 μm to obtain the initial inorganic pigment color paste;

[0036] ④. After carrying out quality inspection, vacuum defoaming and fil...

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Abstract

The present invention discloses an inorganic pigment color paste and a preparing method thereof. The color paste consists of raw materials in the following percentages based on the total weight: 30.0 to 50.0% of inorganic pigment, 5.0 to 20.0% of moisture retaining and anti-freezing agent, 5.0 to 15.0% of auxiliary, 0.5 to 2.0% of pH regulator, 0.2 to 0.5% of antifoaming agent and the balance of deionized water. Neither the moisture retaining and anti-freezing agent nor the auxiliary contains volatile organic compounds (VOC). After all ingredients are mixed and ground, quality detection, vacuum defoaming, filtering and packaging are carried out, and the inorganic pigment color paste required is finally obtained. The inorganic pigment color paste prepared has the excellent moisture retaining properties and stability under the condition of reaching low content index of VOCs. The present invention also has the advantages of low cost, simple production processes and easy industrial production.

Description

technical field [0001] The invention relates to the field of water-based wall latex coloring, in particular to an inorganic pigment paste and a preparation method thereof. Background technique [0002] At present, the use of water-based color paste has been widely used in interior and exterior wall latex paint toning. Usually, a large amount of low-boiling alcohol ether organic solvents such as ethylene glycol and propylene glycol are added to the color paste to improve the moisturizing and antifreeze effect, so as to prolong its storage time and reduce the Its drying speed is convenient to use (generally, it is required to pass the 24-hour test at 25°C and 60% relative humidity). [0003] With the strengthening of people's awareness of environmental protection, the environmental requirements for latex paint are becoming more and more stringent: such as the national standard GB18582-2008 "Limits of Harmful Substances in Interior Decoration Materials and Interior Wall Coating...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09D5/02
Inventor 杜长森毕其兵万强胡艺民伍金平郭小春
Owner SUZHOU SUNMUN TECH CO LTD
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