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Method for preparing polyacrylic ester/nanoSiO2 coating printing adhesive by using Pickering emulsion polymerization method
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A technology of polyacrylate and emulsion polymerization, which is used in dyeing, textile and paper making, etc., to achieve the effect of less stickiness and simple preparation process
Active Publication Date: 2014-11-19
广州麦吉高分子新材料科技有限公司
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Problems solved by technology
At present, some researchers have prepared organic-inorganic composite materials by Pickering emulsion polymerization, but there are few reports on the preparation of polyacrylate pigment printing adhesives by Pickering emulsion polymerization.
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Embodiment 1
[0019] In a 250mL three-neck flask equipped with a stirrer and a condensing 2 Sol and water total 40.694g, nano-SiO 2 The mass fraction of the sol is 30%, nano-SiO 2 The amount of sol accounted for 2.1wt% of the water amount, and stirred for 10 minutes;
[0021] After the dropwise addition, the temperature was raised to 75°C, 0.264g of ammoniumpersulfate was dissolved in 16.792g of water, and added into a three-necked flask at one time, kept for 2 hours, cooled naturally, and filtered out.
Embodiment 2
[0023] In a 250mL three-neck flask equipped with a stirrer and a condensing 2 Sol and water total 47.187g, nano-SiO 2 The mass fraction of the sol is 30%, nano-SiO 2 The amount of sol accounted for 40.94wt% of the water amount, stirring for 40min;
[0025] After the dropwise addition, the temperature was raised to 80°C, 0.583g of ammoniumpersulfate was dissolved in 23.106g of water, and added into a three-necked flask at one time, kept for 4 hours, cooled naturally, and filtered out.
Embodiment 3
[0027] In a 250mL three-neck flask equipped with a stirrer and a condensing 2 Sol and water total 40.7g, nano-SiO 2 The sol accounts for 2.5wt% of the water consumption, stirring for 20min;
[0028] Then add 17.60 g of methyl methacrylate, 0.70 g of glycidyl methacrylate, 16 g of butyl acrylate, and 0.30 g of acrylic acid, and control the dropping time for 30 minutes;
[0029] After the dropwise addition, raise the temperature to 75~80°C, dissolve 0.25g of ammonium persulfate in 18.0g of water, add it into a three-necked flask at one time, keep it warm for 4 hours, cool naturally, and filter out.
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technical field [0001] The present invention relates to a kind of adhesive, be specifically related to a kind of Pickering emulsionpolymerization method to prepare polyacrylate / nanometer SiO 2 Method of Pigment Printing Binder. Background technique [0002] In the printing and dyeing industry, the pigment printing process uses a polymer compound as a binder to adhere non-affinity and reactive pigments to the surface of the fiber to form the desired pattern. The process is simple, no waste water discharge, complete color spectrum, and bright colors. The pattern outline is clear, the light fastness is good, and it is suitable for various fibers and blended fabrics, so it is favored by users at home and abroad. Polyacrylic acidemulsion is a kind of pigment printing adhesive widely used. When preparing polyacrylic acidemulsion, surfactants are usually added. In the process of subsequent use, the presence of surfactants will cause poor washing fastness and wet The problem o...
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