A kind of cationic emulsion for basalt fiber sizing agent and preparation method thereof
A cationic and non-ionic technology, which is applied in the field of polyvinyl acetate emulsion and its preparation, can solve the problems of slow penetrability, affecting the quality of yarn, poor matching, etc., and achieve good penetrability, good stability, The effect of cost reduction
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Embodiment 1
[0029] Dissolve 0.1 part of potassium persulfate in 15 parts of water, 1.5 parts of dimethylaminoethyl acrylate methyl chloride quaternary ammonium in 5 parts of water; mix 25 parts of vinyl acetate, 1 part of acrylic acid, and 15 parts of dibutyl maleate ; Add 3 parts of TX-30, 2 parts of Tween 80, and 2 parts of structural four-gemini emulsifier into 30 parts of water, stir and dissolve at 35°C for 15 minutes; mix 1 / 5 of the mixed monomer and 1 / 3 of the The aqueous solution of dimethylaminoethyl acrylate quaternary ammonium chloride was added into the reactor at one time, and stirred and pre-emulsified for 30 minutes. Add 5 parts of potassium persulfate aqueous solution within 3 minutes at 65°C, gradually raise the temperature to 72°C, when there is almost no reflux, raise the temperature to 72°C, slowly add the remaining mixed monomers, dimethylaminoethyl acrylic acid dropwise Aqueous solutions of fatty chloride quaternary ammonium and ammonium persulfate; time 4 hours. Th...
Embodiment 2
[0031] Dissolve 0.1 part of potassium persulfate and 0.07 part of sodium metabisulfite in 15 parts of water, 3 parts of dimethylaminoethyl acrylate methyl chloride quaternary ammonium in 10 parts of water; 35 parts of vinyl acetate, 1 part of methacrylic acid, 10 parts 1 part of butyl acrylate, 5 parts of hydroxyethyl acrylate, mix well; add 2 parts of TX-30, 3 parts of X-100, 3 parts of structural triple gemini emulsifier into 28 parts of water, stir and dissolve at 40°C for 20 minutes; 1 / 5 of the mixed monomer and 1 / 3 of the dimethylaminoethyl acrylate quaternary ammonium chloride solution were added to the reactor at one time, and stirred and pre-emulsified for 30 minutes. Add 5 parts of potassium persulfate aqueous solution within 3 minutes at 60°C, gradually raise the temperature to 72°C, and when there is almost no reflux, raise the temperature to 73°C, and slowly add the remaining mixed monomers, dimethylaminoethyl acrylic acid dropwise Aqueous solutions of fatty chlori...
Embodiment 3
[0033] Dissolve 0.5 part of potassium persulfate with 0.4 part of Na2 SO3 was dissolved in 15 parts of water, 2 parts of dimethyl diallyl ammonium chloride was dissolved in 7 parts of water; 44 parts of vinyl acetate, 2 parts of acrylic acid, 5 parts of dioctyl maleate, 1 part of methyl Mix glycidyl acrylate evenly; add 1 part of F68, 2.5 parts of OP-10, and 3 parts of structure-gemini emulsifier into 30 parts of water, stir and dissolve at 40°C for 25 minutes; mix 1 / 5 of the mixed monomer and 1 / 3 amount of dimethyl diallyl ammonium chloride aqueous solution was added to the reactor at one time, and stirred and pre-emulsified for 30 minutes. Add 5 parts of potassium persulfate / Na within 3 minutes at 60°C 2 SO3 aqueous solution, gradually warm up to 72°C, when there is almost no reflux, raise the temperature to 74°C, slowly add the remaining mixed monomer, dimethyl diallyl ammonium chloride aqueous solution and ammonium persulfate / Na 2 Aqueous SO3 solution; 6 hours. Then rai...
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