Preparation method of cationic custard fruit-like acrylate copolymer antibacterial microspheres
An acrylate, cationic technology, applied in botanical equipment and methods, chemicals used for biological control, fungicides, etc., can solve the problems of low effective antibacterial performance, scattered antibacterial active centers, etc., to fill the market vacancy , the effect of simple process
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Embodiment 1
[0035] The preparation method of embodiment 1 cationic custard fruit shape acrylate copolymer antibacterial microspheres, comprises the following steps:
[0036] ⑴In parts by mass (g), mix 1.75 parts of comonomer, 0.38 parts of acrylamidopropyltrimethylammonium chloride, and 0.02 parts of methacryloxypropyltrimethoxysilane, and then add 0.01 parts Potassium persulfate and mix thoroughly to obtain a mixed solution.
[0037] Wherein: the comonomer refers to a mixture of 1.00 parts of methyl methacrylate and 0.35 parts of N-vinylpyrrolidone.
[0038] (2) Under constant mechanical stirring at 200 r / min, use a peristaltic pump to slowly add the mixed solution at a rate of 0.3 mL / min to deionized water 10 times its mass at a temperature of 60°C. Continue to stir and polymerize at ℃ for 6 h to obtain the reactant.
[0039] (3) After the reactant is cooled to room temperature, it is filtered to remove the condensate and obtain an emulsion.
[0040] (4) Centrifuge the emulsion at a ...
Embodiment 2
[0041] The preparation method of embodiment 2 cationic custard fruit shape acrylate copolymer antibacterial microspheres, comprises the following steps:
[0042] (1) In parts by mass, uniformly mix 7.00 parts of comonomer, 1.50 parts of methacrylamidopropyltrimethylammonium chloride, and 0.85 parts of methacryloxypropyltrimethoxysilane, and then add 0.23 parts of ammonium sulfate and mix well to obtain a mixed solution.
[0043] Wherein: the comonomer refers to a mixture of 1.00 parts of methyl methacrylate and 0.75 parts of N-vinylpyrrolidone.
[0044] (2) Under constant mechanical stirring at 450 r / min, slowly drop the mixed solution at a rate of 1.0 mL / min using a peristaltic pump into deionized water 12 times its mass at a temperature of 90°C. Continue to stir and polymerize at ℃ for 2h to obtain the reactant.
[0045] (3) After the reactant is cooled to room temperature, it is filtered to remove the condensate and obtain an emulsion.
[0046] (4) After the emulsion was...
Embodiment 3
[0047] The preparation method of embodiment 3 cationic custard fruit shape acrylate copolymer antibacterial microspheres, comprises the following steps:
[0048] ⑴In parts by mass, uniformly mix 3.00 parts of comonomer, 0.80 parts of acrylamidopropyltrimethylammonium bromide, and 0.15 parts of methacryloxypropyltrimethoxysilane, and then add 0.06 parts of potassium persulfate And fully mixed to obtain a mixed solution.
[0049] Wherein: the comonomer refers to a mixture of 1.00 parts of methyl methacrylate and 0.45 parts of N-vinylpyrrolidone.
[0050] (2) Under constant mechanical stirring at 300 r / min, slowly drop the mixed solution at a rate of 0.5 mL / min using a peristaltic pump into deionized water 17 times its mass at a temperature of 70°C. Continue to stir and polymerize at ℃ for 5 h to obtain the reactant.
[0051] (3) After the reactant is cooled to room temperature, it is filtered to remove the condensate and obtain an emulsion.
[0052] (4) After the emulsion was...
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