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Two-component diatom mud water-based paint free of emission of VOCs

A mud-water-based, two-component technology, used in antifouling/underwater coatings, coatings, and biocide-containing paints, etc., which can solve problems such as unreasonable material matching and reduced performance of diatom mud.

Inactive Publication Date: 2019-03-22
SHAOGUAN HEZHONG CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used to replace wallpaper and latex paint, and is suitable for interior wall decoration of villas, apartments, hotels, homes, hospitals, etc. However, the materials used in diatom mud produced by many manufacturers are extremely unreasonable, and the surface area of ​​diatom earth is sealed. The performance of diatom mud is greatly reduced, and a more reasonable formula system is needed to develop diatom mud coatings, so as to provide people with better decorative materials

Method used

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  • Two-component diatom mud water-based paint free of emission of VOCs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of far-infrared ceramic powder X is prepared by the following method:

[0026] (1) Preparation of mixture granules: 9 parts of scandium oxide (800 mesh), 5 parts of silicon dioxide (800 mesh), 10 parts of alumina (800 mesh), 14 parts of di Add cerium oxide (800 mesh) and 70 parts of water into the ball milling equipment for ball milling for 6 hours, then add the discharged material, spray and granulate, and obtain granules with a particle size of 20 mesh and a water content of 10%±2%;

[0027] (2) Sintering and crushing: Under the pressure of 30MPa, the medium material (1) was pressed into a plate by dry pressing, and then in a tubular kiln, a weak reducing atmosphere (90% volume fraction of N 2 , 10%H 2 The uniform gas mixture) was calcined at 1500°C for 5 hours, and then cooled to room temperature to obtain a dense plate; the dense plate was crushed, zirconium ball milled for 48 hours, and passed through a 1200-mesh sieve to obtain the far-infrared ceramic pow...

Embodiment 2

[0029] A kind of far-infrared ceramic powder Y is prepared by the following method:

[0030] (1) Preparation of mixed material particles: 6 parts of transition metal oxides, 8 parts of silica (800 mesh), 9 parts of alumina (800 mesh), 11 parts of ceria (800 mesh), 80 parts of water are added to the ball milling equipment and ball milled for 5 hours, then the material is added to the discharge, sprayed and granulated to obtain granules with a particle size of 20 mesh and a water content of 10%±2%;

[0031] (2) Sintering and crushing: Under the pressure of 30MPa, the medium material (1) was pressed into a plate by dry pressing, and then in a tubular kiln, a weak reducing atmosphere (90% volume fraction of N 2 , 10%H 2 The uniform gas mixture) was calcined at 1400°C for 8 hours, and then cooled to room temperature to obtain a dense plate; the dense plate was crushed, zirconium ball milled for 48 hours, and passed through a 1200-mesh sieve to obtain the far-infrared ceramic powde...

Embodiment 3

[0033] A two-component diatom mud water-based coating with zero VOC emission is characterized in that it consists of two components, A and B; in parts by weight, component A is 0.5 parts of potassium persulfate, 30 parts of diatom mud Powder (1200 mesh), 10 parts of rutile titanium dioxide (1200 mesh), 6 parts of far-infrared ceramic powder X (1200 mesh), 60 parts of water, 1.4 parts of polyether modified silicone leveling agent, 0.4 parts of silicone defoaming agent Component B consists of 8 parts of N-hydroxyethylacrylamide, 4 parts of dimethyl diallyl ammonium chloride, 0.3 part of sodium salt of hydroxymethanesulfinic acid, and 5 parts of stearic acid with a mass fraction of 50%. Calcium dispersion, 25 parts of water.

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Abstract

The invention relates to a two-component diatom mud water-based paint free of emission of VOCs. The two-component diatom mud water-based paint is characterized by being composed of a component A and acomponent B. The component A is prepared from the following raw materials in parts by weight: 0.5-1 part of potassium persulfate, 30-40 parts of diatom mud powder, 10-15 parts of rutile titanium dioxide powder, 6-12 parts of far-infrared ceramic powder, 45-75 parts of water, 1-2 parts of a leveling agent and 0.3-0.6 part of a defoaming agent. The component B is prepared from the following raw materials in parts by weight: 6-12 parts of a crosslinkable monomer, 2-4 parts of an antibacterial monomer, 0.1-0.3 part of a catalyst, 3-5 parts of water-based stearate and 15-25 parts of water. The two-component diatom mud water-based paint has good effects of resisting bacteria and purifying air, and has broad application prospects.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and relates to a two-component diatom mud water-based coating with zero VOC emission. Background technique [0002] With the rapid development of the national economy and the gradual improvement of people's material living standards, interior decoration has become increasingly popular. People spend two-thirds of their life indoors, and modern people spend 80%-90% of their time indoors living and working in an indoor environment. Therefore, the quality of the indoor environment directly affects people's health. [0003] Diatom mud is a kind of dry powder interior wall decoration coating material prepared with inorganic gelling substance as the main bonding material and diatom material as the main functional filler. It has the functions of eliminating formaldehyde, purifying air, adjusting humidity, releasing negative oxygen ions, fire retardant, wall self-cleaning, sterilization an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/14C09D7/65
CPCC09D1/00C09D5/14C09D7/65C09D7/70
Inventor 谢义鹏康伦国姚东生
Owner SHAOGUAN HEZHONG CHEM CO LTD
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