Stone anti-pollution protective agent
A technology of protective agent and stone, applied in the direction of biocide-containing paint, antifouling/underwater paint, coating, etc. Fouling performance, enhancing acid resistance and alkali resistance, improving the effect of storage stability
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example 1
[0022]Add chitosan and water into No. 1 beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move No. , under the condition of 500r / min, heat and stir to dissolve for 50min to obtain chitosan liquid; in parts by weight, add 30 parts of octene dropwise to a three-necked flask containing 40 parts of chitosan liquid with a dropping funnel succinic anhydride, and then moved the three-necked flask to a digital display speed measuring constant temperature magnetic stirrer, and then used a dropping funnel to drop a sodium hydroxide solution with a mass fraction of 5% to the three-necked flask to adjust the pH to 8.5. , under the condition of 500r / min, heat and stir for 3h to obtain a mixed solution, then dropwise add hydrochloric acid with a mass fraction of 10% to the mixed solution, adjust the pH of the mixed solution to 7.1, obtain a modified chitosan solution, and emulsify The modified chitosan solution was...
example 2
[0024] In parts by weight, 20 parts of sepiolite, 20 parts of aldehyde, 60 parts of water, and 10 parts of sodium hydroxide solution with a mass fraction of 10% are placed in the No. 3 beaker, and then the No. 3 beaker is placed on the digital display to measure the speed In a constant temperature magnetic stirrer, at a temperature of 80°C and a rotational speed of 500r / min, heat and stir for 50 minutes to obtain a mixed solution, and then filter the mixed solution to obtain modified sepiolite; in parts by weight, the 40 parts of rubber powder, 50 parts of stone powder, 5 parts of thickener, 10 parts of carbomer, 10 parts of silane coupling agent, 20 parts of modified sepiolite, 100 parts of water in the mixer, at a speed of 1200r Under the condition of / min, stir at high speed for 60min to get stone antifouling and protective agent. The rubber powder is peach gum powder. The emulsifier is monoglyceride. The stone powder is quartz powder. The thickener is sodium carboxymeth...
example 3
[0026] Add chitosan and water into No. 1 beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move No. , under the condition of 500r / min, heat and stir to dissolve for 50min to obtain chitosan liquid; in parts by weight, add 30 parts of octene dropwise to a three-necked flask containing 40 parts of chitosan liquid with a dropping funnel succinic anhydride, and then moved the three-necked flask to a digital display speed measuring constant temperature magnetic stirrer, and then used a dropping funnel to drop a sodium hydroxide solution with a mass fraction of 5% to the three-necked flask to adjust the pH to 8.5. , under the condition of 500r / min, heat and stir for 3h to obtain a mixed solution, then dropwise add hydrochloric acid with a mass fraction of 10% to the mixed solution, adjust the pH of the mixed solution to 7.1, obtain a modified chitosan solution, and emulsify The modified chitosan solution wa...
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