A kind of pickering emulsion polymerization method prepares the method for polyacrylate/nanometer ZNO composite paint printing adhesive
A technology of polyacrylate and emulsion polymerization, which is applied in dyeing, textiles and papermaking, etc. It can solve problems such as network blockage and pulp cracking, restrictions on the application of paint printing, and color fastness to hot-tack and cold-brittle printing. Improve color fastness, small size, improve the effect of hot sticking and cold brittleness
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Embodiment 1
[0019] 1) Mix 1.36g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, and use an ultrasonic pulverizer to sonicate for 10min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 13.63g of butyl acrylate and 13.63g of methyl methacrylate was emulsified for 10min at a rotational speed of 3000r / min using an emulsifier to obtain a Pickering emulsion;
[0020] 2) Pour the Pickering emulsion into a 250mL three-neck flask equipped with a stirrer and a condensing device, then raise the temperature to 70°C at a stirring speed of 250r / min, and then dropwise add 0.25g of ammonium persulfate and 75g of ammonium persulfate within 150min The aqueous solution of ammonium persulfate prepared from water is kept for 2 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain the po...
Embodiment 2
[0022] 1) Mix 1.36g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, and use an ultrasonic pulverizer to sonicate for 30min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 16.36g of butyl acrylate and 10.91 g of methyl methacrylate was emulsified for 10 min at a rotational speed of 3000 r / min using an emulsifier to obtain a Pickering emulsion;
[0023] 2) Pour the Pickering emulsion into a 250mL three-neck flask equipped with a stirrer and a condensing device, then raise the temperature to 70°C at a stirring speed of 250r / min, and then dropwise add 0.25g of ammonium persulfate and 75g of ammonium persulfate within 150min The aqueous solution of ammonium persulfate prepared from water is kept for 3 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain the...
Embodiment 3
[0025] 1) After mixing 1.91g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, use an ultrasonic pulverizer to sonicate for 30min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 16.36g of butyl acrylate and 10.91g of methyl methacrylate was emulsified for 5min at a rotational speed of 4000r / min using an emulsifier to obtain a Pickering emulsion;
[0026] 2) Pour the Pickering emulsion into a 250mL three-necked flask equipped with a stirrer and a condensing device, then raise the temperature to 75°C at a stirring speed of 250r / min, and then dropwise add 0.41g of ammonium persulfate and 80g of ammonium persulfate within 180min The aqueous solution of ammonium persulfate prepared from water is kept for 3 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain ...
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