Environment-friendly antimicrobial interior wall coating containing shell powder and preparing method of environment-friendly antimicrobial interior wall coating
A technology of interior wall coating and shell powder, applied in the field of coatings, can solve the problems of easy yellowing, mildew, and a large number of bacteria on the interior wall, and achieve good moisture-proof effect, good air permeability and water permeability, and good bonding effect Effect
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[0022] The present invention also provides a preparation method of an environmentally friendly and antibacterial interior wall coating containing shell powder, comprising the following steps:
[0023] Step 1: Add 80-100 parts by weight of shell powder and 20-30 parts by weight of kaolin into 80-100 parts by weight of water at a temperature of 95-100°C and add 20-30 parts by weight of an emulsifier at the same time, and stir for 10-15 minutes , then add 40-60 parts by weight of binder to disperse, add 5-8 parts by weight of dispersant, 1-3 parts by weight of citric acid monohydrate, and 1-5 parts by weight of water reducing agent during the dispersion process, Then heat it to 90-95°C and keep it warm for 25-35 minutes, and keep it warm with stirring to get the slurry;
[0024] Step 2: 1-1.5 parts by weight of litsea cubeba oil, 0.3-1 parts by weight of clove oil, 0.2-0.4 parts by weight of cinnamon oil, 0.2-0.5 parts by weight of propionic acid, 0.3-0.6 parts by weight of sorbi...
Embodiment 1
[0036] A preparation method of an environment-friendly antibacterial interior wall paint containing shell powder, comprising the following steps:
[0037] Preparation of modified nano-shell powder: wash the shells with water, dry them, and then pulverize them into 0.5mm coarse shell powder; place the shell coarse powder in a high-temperature resistance furnace for calcination and puffing, and adopt a four-stage gradient calcination, specifically The operation is: first place at 300°C for calcination for 20 minutes; then raise the temperature to 600°C at a heating rate of 5°C / min, and perform calcination at 600°C for 30 minutes; then raise the temperature at a heating rate of 5°C / min to 900°C, Carry out calcination for 30 minutes; finally raise the temperature to 1200 ℃ at a heating rate of 5 ℃ / min, and calcine at 1200 ℃ for 45 minutes. The pulverizer performs nano pulverization treatment to obtain modified nano shell powder.
[0038] Step 1: Add 80g of the above-mentioned mod...
Embodiment 2
[0042] A preparation method of an environment-friendly antibacterial interior wall paint containing shell powder, comprising the following steps:
[0043] Preparation of modified nano-shell powder: wash the shells with clean water, dry them, and then pulverize them into coarse and fine shell powders of 1 mm; place the coarse and fine powders of shells in a high-temperature resistance furnace for calcination and puffing, and adopt a four-stage gradient calcination, the specific operation is as follows : First place at 300°C for calcination for 40 minutes; then heat up to 600°C at a heating rate of 10°C / min, and calcine at 600°C for 45 minutes; then heat up to 900°C at a heating rate of 10°C / min, and then calcine at 900°C 60min; Finally, the temperature was raised to 1200°C at a heating rate of 10°C / min, and calcined at 1200°C for 60min. After the calcination, it was naturally cooled to below 28°C to obtain calcined and expanded coarse and fine powder; the calcined and expanded c...
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