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High-scrubbing-resistance environment-friendly building coating and preparation method thereof

An environmentally friendly, scrub-resistant technology, applied in anti-corrosion coatings, coatings, latex paints, etc., can solve the problems of difficult material modification, complex production process, and dependence on organic addition, etc., to achieve excellent scrub resistance and simple production process , Enhance the effect of scrub resistance

Inactive Publication Date: 2021-12-31
ZHEJIANG UNIV HANGZHOU GLOBAL SCI & TECH INNOVATION CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the efficiency is high by adding materials that can improve the scrub resistance of coatings, there are still problems such as complex production processes in the early stage, difficulties in material modification, and excessive reliance on organic additives.

Method used

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  • High-scrubbing-resistance environment-friendly building coating and preparation method thereof
  • High-scrubbing-resistance environment-friendly building coating and preparation method thereof
  • High-scrubbing-resistance environment-friendly building coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In the present embodiment, the components of the highly scrub-resistant environment-friendly architectural coating include the following by weight percentage:

[0043]

[0044] Carry out latex paint preparation according to above formula, concrete preparation method is as follows:

[0045] (1) Preparation of nano-suspension: Calculate based on the total weight of nano-suspension as 100%, add 83.4% water in the dispersion device, and control the speed at 350r / min, add 0.6% dispersant PDT-IC1, and disperse for 5min ; Increase the speed of the dispersing device to 6000r / min, and slowly add 12% nano-CaCO 3 , high-speed shear dispersion for 35min; then slowly add 4% nano-SiO 2 , and continue to disperse at 8000r / min for 30 minutes to obtain a nano-suspension for later use.

[0046] (2) Based on the calculation of the total weight of the coating as 100%, add 90% of the total weight of water to the reaction device, and in the state of stirring at a low speed of 200r / min, ad...

Embodiment 2

[0053] In the present embodiment, the components of the highly scrub-resistant environment-friendly architectural coating include the following by weight percentage:

[0054]

[0055] Prepare the latex paint according to the above formula, the specific preparation method:

[0056] (1) Preparation of nano-suspension: Calculate based on the total weight of nano-suspension as 100%, add 83.3% water in the dispersion device, and control the speed at 400r / min, add 0.7% dispersant PDT-IC1, and disperse for 5min ; Increase the speed of the dispersion device to 7000r / min, slowly add 13% nano-CaCO 3 , high-speed shear dispersion for 40min; then slowly add 3% nano-SiO 2 , and continue to disperse at 6000r / min for 30min to obtain a nano-suspension for later use.

[0057] (2) Based on the calculation of the total weight of the coating as 100%, add 90% of the total weight of water to the reaction device, and add the dispersant Tiger TECH-598 and the wetting agent Dow X in sequence unde...

Embodiment 3

[0064] In the present embodiment, the components of the highly scrub-resistant environment-friendly architectural coating include the following by weight percentage:

[0065]

[0066]

[0067] Prepare the coating according to the above formula, the specific preparation method:

[0068] (1) Preparation of nano-suspension: Calculate based on the total weight of nano-suspension as 100%, add 82.2% water in the dispersion device, and control the speed at 300r / min, add 0.8% dispersant PDT-IC1, and disperse for 5min ; Increase the speed of the dispersion device to 8000r / min, slowly add 15% nano-CaCO 3 , high-speed shear dispersion for 40min; then slowly add 2% nano-SiO 2 , and continue to disperse at 7000r / min for 30min to obtain a nano-suspension for later use.

[0069] (2) Based on the total weight of the coating as 100%, add 90% of the total weight of water to the reaction device, and add the dispersant BYK-110 and the wetting agent Deqian W-18 in turn under the state of 2...

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Abstract

The invention relates to the technical field of coatings, and aims to provide a high-scrubbing-resistance environment-friendly building coating and a preparation method thereof. The coating comprises the following components: 20.0%-23.0% of water; 0.2%-0.4% of hydroxyethyl cellulose powder; 10.0%-15.0% of titanium dioxide; 6.0%-8.0% of talcum powder; 5.0%-7.0% of kaolin; 10.0%-13.0% of heavy calcium carbonate; 10.0%-12.0% of light calcium carbonate; 5.0%-7.0% of a nano suspension liquid; 17.0%-22.0% of an acrylic emulsion; and the balance is the conventional functional additive for the coating; wherein the nano suspension is prepared from the following components in percentage by weight: 2%-4% of nano SiO2, 12%-15% of nano CaCO3, 0.6%-0.8% of a dispersing agent and the balance of water. According to the invention, the use amount of the auxiliary agent is reasonably controlled to reduce the generation of volatile substances, the production process is simple, the complex feeding reaction process is reduced, and complex temperature control does not exist; the product has the characteristics of excellent scrubbing resistance, strong covering power, acid and alkali resistance and the like, and is environment-friendly, free of peculiar smell and safer.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a highly scrub-resistant and environment-friendly architectural coating and a preparation method thereof. Background technique [0002] Emulsion paint is currently the first choice for most home improvement wall materials, and it occupies a large share in the home improvement material market. It is favored by people because of its easy construction and various colors. With the progress of society and the improvement of living standards, people's requirements for a healthy and comfortable living environment are getting higher and higher. More attention is paid to the non-toxicity and environmental protection of wall materials. At the same time, the indoor living or office environment often has artificial friction on the wall, object friction, dust and oil stains, etc., causing the wall to no longer look beautiful, the wall paint is damaged and dirty after friction, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/02C09D5/08C09D7/65C09D7/61
CPCC09D133/00C09D5/08C09D5/024C08K2003/265C08L1/284C08K3/22C08K3/34C08K3/346C08K3/26C08K3/36
Inventor 张继冯强林峰罗皓卢雯婕张启龙
Owner ZHEJIANG UNIV HANGZHOU GLOBAL SCI & TECH INNOVATION CENT
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