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Cross-linking reaction type sand-in-water colorful granite stone-like coating and preparation method thereof

A technology of cross-linking reaction and imitation stone coating, which is applied in the field of coating materials, can solve the problems of easy bleeding in storage, turbidity of continuous phase color, lack of commercialization and industrialization, etc., and achieve excellent performance, high coating rate, The effect of strong weather resistance

Inactive Publication Date: 2020-08-04
嘉兴市威信新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are also water-in-sand multi-color coatings for interior and exterior walls on the market. The technology is based on the original charge balance and hydrophilic-lipophilic amphoteric balance principle of the water-in-water multi-color coating itself, through the liquid color of cationic protective colloids and anions. The incompatibility of particles is used to wrap and protect, and quartz sand is used to replace the extender pigments such as heavy calcium or kaolin in the dispersed phase. The performance of color points and color particles has not been optimized for substantial effectiveness, and a simple method similar to egg white with egg yolk is still used. Physical coating causes the color particles of the product to have no toughness. The introduction of quartz sand increases the color particles. The color particles are quite fragile and not stable enough. During the transportation and vibration process, the color particles are easy to sink to the bottom and cause the color particles to be damaged. The storage is easy to bleed and cross colors, causing the color of the continuous phase to be turbid. ; After spraying, the color particles are blurred and unclear, and the coating film is glossy, and the matte effect of the burnt surface can only be achieved by applying a matte finish
Due to the poor texture of the final effect and the high construction cost, it has not really formed commercialization and industrialization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: a kind of cross-linking reaction sand-in-water colorful granite imitation stone coating, comprises dispersed phase and continuous phase, and the weight ratio between described dispersed phase and continuous phase is 1: 1;

[0028] Wherein, the dispersed phase includes: 5 parts of deionized water, 2 parts of protective glue, 30 parts of water-based polyurethane resin, 30 parts of white sand, 1 part of inorganic pigment paddle, 0.1 part of anti-mildew preservative, 2 parts of film-forming aid, and 5 parts of forming rheology agent, 1 part of internal crosslinking agent, each component is calculated in parts by weight; the continuous phase includes: 9 parts of deionized water, 3 parts of release agent, 5 parts of matte powder, water-based acrylic silicon copolymer 40 parts of resin, 3 parts of film-forming aid, 4 parts of anti-settling agent, 0.1 part of anti-mildew preservative, 8 parts of external linking agent, 4 parts of associative rheological agent, and ...

Embodiment 2

[0035] Embodiment 2: A kind of cross-linking reaction sand-in-water colorful granite imitation stone coating, comprises dispersed phase and continuous phase, and the weight ratio between described dispersed phase and continuous phase is 1: 1;

[0036] Wherein, the dispersed phase includes: 10 parts of deionized water, 4 parts of protective glue, 40 parts of water-based polyurethane resin, 35 parts of white sand, 2 parts of inorganic pigment paddle, 0.3 part of anti-mildew preservative, 5 parts of film-forming aid, and 5 parts of forming rheology agent, 1 part of internal crosslinking agent, each component is calculated by weight; the continuous phase includes: 15 parts of deionized water, 5 parts of release agent, 8 parts of matte powder, water-based acrylic silicon copolymer 50 parts of resin, 6 parts of film-forming aid, 5 parts of anti-sedimentation agent, 0.2 part of anti-mildew preservative, 8 parts of external linking agent, 5 parts of associative rheology agent, each com...

Embodiment 3

[0043] Embodiment 3: A cross-linking reaction sand-in-water colorful granite-like stone coating, comprising a dispersed phase and a continuous phase, and the weight ratio between the dispersed phase and the continuous phase is 1:1;

[0044] Wherein, the dispersed phase includes: 8 parts of deionized water, 3 parts of protective glue, 35 parts of water-based polyurethane resin, 38 parts of white sand, 3 parts of inorganic pigment paddle, 0.2 part of anti-mildew preservative, 4 parts of film-forming aid, and 6 parts of forming rheological agent, 1.5 parts of internal crosslinking agent, and each component is calculated by weight; the continuous phase includes: 15 parts of deionized water, 4 parts of release agent, 6 parts of matte powder, water-based acrylic silicon copolymer 47 parts of resin, 4 parts of film-forming aid, 4 parts of anti-settling agent, 0.2 part of anti-mildew preservative, 10 parts of external linking agent, 4 parts of associative rheology agent, and each compo...

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PUM

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Abstract

The invention discloses a cross-linking reaction type sand-in-water colorful granite stone-like coating which comprises a dispersed phase and a continuous phase in a weight ratio of 1: 1. The dispersed phase comprises the following components in parts by weight: 5-20 parts of deionized water, 2-4 parts of protective glue, 30-40 parts of waterborne polyurethane resin, 30-40 parts of white sand, 1-5parts of inorganic pigment paste, 0.1-0.3 parts of a mildew-proof preservative, 2-5 parts of a coalescing agent, 5-7 parts of an associative rheological agent and 1-2 parts of an internal cross-linking agent. The continuous phase comprises the following components in parts by weight: 5-15 parts of deionized water, 3-5 parts of a separant, 5-8 parts of matte powder, 40-50 parts of water-based acrylic silicon copolymer resin, 3-5 parts of a coalescing agent, 4-5 parts of an anti-settling agent, 0.1-0.2 parts of a mildew-proof preservative, 8-10 parts of an external cross-linking agent and 3-4 parts of an associative rheological agent. The coating disclosed by the invention is an ideal substitute for flamed granite stone.

Description

technical field [0001] The invention relates to a coating material, in particular to a cross-linking reaction type sand-in-water colorful granite imitation stone coating. Background technique [0002] Natural granite is widely used in high-end exterior wall decoration projects because of its excellent durability, hard texture, rich texture, and good durability. After polishing, it is as bright as a mirror and has gorgeous and noble decorative and protective effects. However, as a brittle material, natural stone has poor material uniformity and large dispersion of bending strength. It is inevitable that some slight and difficult-to-find internal injuries will occur in the process of generation, mining and processing. Moreover, excessive mining will cause soil erosion, which is not conducive to the protection of the ecological environment. Although stone does not bear the load of the three-dimensional structure in the process of curtain wall, it must bear the influence of sel...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D175/04C09D7/61C09D7/63C09D7/65C09D5/29
CPCC08L2205/03C08L2205/035C09D5/29C09D143/04C09D7/61C09D7/63C09D7/65C08L75/04C08K13/02C08K3/36C08K3/34C08K5/29
Inventor 聂群锋
Owner 嘉兴市威信新材料科技有限公司
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