Preparation method of finish-coat-free stain-resistant weather-resistant water-based multicolor building coating

A technology of architectural coatings and multi-color coatings, which is applied in anti-fouling/underwater coatings, multi-color effect coatings, and devices for coating liquids on surfaces, etc. It can solve problems such as complex processes, poor coating resistance, and weather resistance. Achieve the effects of improving application performance, reducing construction technology and construction procedures, and increasing the heavy feeling of decoration

Inactive Publication Date: 2020-09-01
豪冠(上海)国际贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing architectural coatings use overcoats to cooperate with water-based colorful paints. At the same time, the paints are composed of water-based sealing primers, water-based line paints, colorful matching primers, water-based colorful main materials and water-based top varnishes. The process is complicated. Poor performance such as pollution and weather resistance, need further improvement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of preparation method of the anti-fouling and weather-resistant water-based colorful architectural paint without overcoat of the present embodiment, comprises the following steps:

[0027] Step 1, preparation of colored primer:

[0028] (1) Weighing of raw materials: 250 parts of water, 2.0 parts of emulsified silicone oil defoamer, 1.5 parts of ethyl hydroxyethyl cellulose ether, 3.0 parts of polycarboxylate sodium salt dispersant, 4.0 parts of polyacrylic acid ammonium salt dispersant, alkyl 2.0 parts of phenol polyoxyethylene ether nonionic wetting agent, 15 parts of propylene glycol, 100 parts of rutile titanium dioxide, 50 parts of superfine kaolin, 50 parts of superfine wollastonite, 100 parts of heavy calcium carbonate, and 50 parts of superfine talcum powder 100 parts of high Tg styrene-acrylic emulsion, 125 parts of high Tg emulsion of anti-salting-out primer, 2.0 parts of sodium benzoate green preservative, 2.0 parts of sodium carbonate pH regulator, 1 ...

Embodiment 2

[0042] The preparation method of a kind of anti-fouling and weather-resistant water-based colorful architectural paint without overcoat of the present embodiment of the present embodiment comprises the following steps:

[0043] Step 1, preparation of colored primer:

[0044] (1) Weighing of raw materials: 300 parts of water, 3.0 parts of emulsified silicone oil defoamer, 3.0 parts of ethyl hydroxyethyl cellulose ether, 5.0 parts of polycarboxylate sodium salt dispersant, 6.0 parts of polyacrylic acid ammonium salt dispersant, alkyl 3.0 parts of phenol polyoxyethylene ether nonionic wetting agent, 20 parts of propylene glycol, 125 parts of rutile titanium dioxide, 75 parts of superfine kaolin, 75 parts of superfine wollastonite, 125 parts of heavy calcium carbonate, and 75 parts of superfine talcum powder 150 parts of high Tg styrene-acrylic emulsion, 150 parts of high Tg emulsion of anti-salting-out primer, 3.0 parts of sodium benzoate green preservative, 3.0 parts of sodium c...

Embodiment 3

[0058] A kind of preparation method of the anti-fouling and weather-resistant water-based colorful architectural paint without overcoat of the present embodiment, comprises the following steps:

[0059] Step 1, preparation of colored primer:

[0060] (1) Weighing of raw materials: 250-300 parts of water, 2.5 parts of emulsified silicone oil defoamer, 2.25 parts of ethyl hydroxyethyl cellulose ether, 4 parts of polycarboxylate sodium salt dispersant, 5 parts of polyacrylic acid ammonium salt dispersant, 2.5 parts of alkylphenol polyoxyethylene ether nonionic wetting agent, 17.5 parts of propylene glycol, 112.5 parts of rutile titanium dioxide, 60 parts of superfine kaolin, 57.5 parts of superfine wollastonite, 112.5 parts of heavy calcium carbonate, superfine talc 60 parts of powder, 125 parts of high Tg styrene-acrylic emulsion, 140 parts of high Tg emulsion of anti-salting-out primer, 2.5 parts of sodium benzoate green preservative, 2.5 parts of sodium carbonate pH regulator,...

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Abstract

The invention discloses a preparation method of a finish-coat-free stain-resistant weather-resistant water-based multicolor building coating. 200-250 parts of colorful guar gum with the concentrationbeing 5%, 0.5-0.8 parts of EHEC cellulose, 600-650 parts of dispersed phase colored paint obtained in step 2 and 200-250 parts of a colorful continuous phase obtained in step 3 are sequentially fed into a reaction kettle, stirring is performed for 45-55min at the rotating speed of 500-1000r/min, and after the reaction is finished, the finish-coat-free multicolor paint is obtained. According to theinvention, the application performance of the water-based multicolor paint can be improved, a finish coat is not needed, the construction process and construction procedures of water-based multicolorpaint construction are simplified, the construction cost is reduced, and the construction efficiency is improved; and meanwhile, the water-based colorful high decorative property and the use durability, especially the color retention property, the weather resistance, the floating resistance and the like, are met.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a method for preparing a stain-resistant and weather-resistant water-based colorful architectural coating without an overlay. Background technique [0002] Paint is a material that can be well bonded to the base material and form a complete and tough protective film on the surface of an object, called a paint. Paint and paint are the same concept. Paint is a customary name that people have used for a long time. After it was introduced into my country, it has been used in the construction industry. The role of coatings can be summarized into three aspects: protection, decoration, and special functions. The general composition of coatings: including film-forming substances, pigments and fillers, solvents, and additives. Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/29C09D5/16C09D133/00C09D133/12C09D105/00C09D7/61C09D7/63C09D7/65C04B26/06B05D5/06C04B111/82
CPCB05D5/066C04B26/06C04B2111/00491C04B2111/82C08K3/346C08K2003/2241C08K2201/014C08L2205/025C08L2205/035C09D5/1687C09D5/29C09D105/00C09D133/00C09D133/12C08L33/12C08L33/00C08L5/00C08L1/02C08L83/04C08K13/06C08K9/06C08K3/22C08K3/36C08K5/053C04B24/42C04B24/24C04B24/2641C04B24/32C04B24/02C04B14/305C04B14/106C04B14/043C04B14/28C04B14/042C04B24/04C04B22/10C04B24/38C04B24/383C04B2103/0045
Inventor 孙斌朱林红
Owner 豪冠(上海)国际贸易有限公司
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