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A kind of water-based environmental protection paint and preparation method thereof

An environmentally friendly coating, water-based technology, applied in the direction of coating, etc., can solve the problems of limited application, poor decoration of substrates, and high adhesion requirements, etc., and achieve excellent mechanical properties, good stability, and simple and feasible preparation methods Effect

Active Publication Date: 2021-08-06
付江辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned coatings are still poorly decorated for the substrate, and the adhesion cannot meet high requirements, which limits its further application.

Method used

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

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The invention provides a kind of water-based environmental protection paint, is made by the raw material of following weight part:

[0034] 50 parts of silicone modified acrylic latex;

[0035] Alkylation modified filler 20 parts;

[0036] 5 parts of polyvinyl butyral;

[0037] 5 parts of polydimethylsiloxane;

[0038] 20 parts of water.

[0039] The preparation method of above-mentioned water-based environmental protection coating comprises the following steps:

[0040] (1) Preparation of silicone-modified acrylic latex: Add 12.5kg of sodium lauryl sulfate and 12.5kg of allyl octylphenol polyoxyethylene ether to the reaction kettle in sequence, fully dissolve with 37.5kg of deionized water, and stir While slowly adding the monomer mixture (the monomer mixture includes 0.83kg methyl acrylate, 0.68kg acryloyl morpholine, 0.56kg hydroxyethyl acrylate and 0.72kg vinyltrimethoxysilane), stir well to obtain a pre-emulsion. Take 0.65kg of 3~5wt% ammonium sulfate aqueous ...

Embodiment 2

[0048] The invention provides a kind of water-based environmental protection paint, is made by the raw material of following weight part:

[0049] 60 parts of silicone modified acrylic latex;

[0050] Alkylation modified filler 28 parts;

[0051] 5 parts of polyvinyl butyral;

[0052] 5 parts of polydimethylsiloxane;

[0053]5 parts of diacetone alcohol;

[0054] 25 parts of water.

[0055] The preparation method of above-mentioned water-based environmental protection coating comprises the following steps:

[0056] (1) Preparation of silicone-modified acrylic latex: Add 12.5kg of sodium lauryl sulfate and 13.2kg of allyl octylphenol polyoxyethylene ether to the reaction kettle in sequence, fully dissolve with 49kg of deionized water, and stir Slowly add the monomer mixture (the monomer mixture includes 1.11kg methyl acrylate, 0.91kg acryloylmorpholine, 0.75kg hydroxyethyl acrylate and 0.96kg vinyltrimethoxysilane), and stir well to obtain a pre-emulsion. Take 1.18kg of 3...

Embodiment 3

[0064] The invention provides a kind of water-based environmental protection paint, is made by the raw material of following weight part:

[0065] 70 parts of silicone modified acrylic latex;

[0066] Alkylation modified filler 35 parts;

[0067] 9 parts of polyvinyl butyral;

[0068] 11 parts of diacetone alcohol;

[0069] 30 parts of water.

[0070] The preparation method of above-mentioned water-based environmental protection coating comprises the following steps:

[0071] (1) Preparation of silicone-modified acrylic latex: Add 12.5kg of sodium lauryl sulfate and 15kg of allyl octylphenol polyoxyethylene ether to the reaction kettle in sequence, fully dissolve with 75kg of deionized water, and slowly Add the monomer mixture (the monomer mixture includes 1.39kg methyl acrylate, 1.14kg acryloylmorpholine, 0.94kg hydroxyethyl acrylate and 1.20kg vinyltrimethoxysilane), and stir well to obtain a pre-emulsion. Take 2.14kg of 3~5wt% ammonium sulfate aqueous solution and slow...

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Abstract

The invention relates to a water-based environmental protection coating and a preparation method thereof, belonging to the field of coatings. The water-based environment-friendly paint of the invention is prepared by using silicone-modified acrylic latex as the main component, together with inorganic fillers and other additives. Using alkylation-modified carbon nanotubes and nano-silica as inorganic fillers, the combined use of carbon nanotubes and nano-silica can form a synergistic reinforcement of points and lines, and a uniform coating can be formed when the coating is very thin. Smooth film Alkylation-modified carbon nanotubes and nano-silica can effectively avoid the agglomeration of fillers and effectively improve the dispersion of inorganic fillers in coating resins. The alkylation-modified filler also has the function of a defoamer, so the water-based environmental protection coating of the present invention does not need to add other defoamers. The water-based environmental protection paint prepared by the invention has excellent mechanical properties, adhesion, hydrophilicity and water resistance. The preparation method is simple and feasible, has good stability and repeatability, and is easy to realize industrialized production.

Description

technical field [0001] The invention relates to a preparation method of a coating, in particular to a water-based environmental protection coating and a preparation method thereof, belonging to the field of coatings. Background technique [0002] Paint is a polymer material widely used to coat the surface of various substrates. An important function of coatings is protection. Organic coatings are coated on metal surfaces to isolate them from oxygen and water, thereby protecting metals from various damages and erosions. Coatings also play an important role in indicating signs. Different eye-catching signboards and road dividers on highways, as well as pipes and equipment of various colors in factories, all use different colors of coatings to represent different functions and functions. Since the development of coatings, there are many types. Usually, they can be classified into solvent-based coatings and solvent-free coatings according to the solvent. The former can be divid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/08C09D7/62C08F220/14C08F220/58C08F220/20C08F230/08
CPCC08F220/14C08K2201/003C08K2201/004C08K2201/011C08L2205/03C09D143/04C09D7/62C08F220/58C08F220/20C08F230/08C08L29/14C08K9/06C08K3/041C08K3/36
Inventor 张仲林石新付江辉
Owner 付江辉
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