Process for preparing SBS water emulsion
A technology of water emulsion and emulsifier, which is applied in the field of preparation of SBS water emulsion to achieve good compatibility, improve compatibility and improve bonding ability
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Embodiment 1
[0025] In a 10L stainless steel reactor with stirring, add 20 parts of SBSM solution (in terms of SBSM mass), start stirring, first stir at a low speed, and slowly add 80 parts of water (containing 1.0 wt% sodium dodecylbenzenesulfonate in water) , 0.25wt% polyoxyethylene octylphenol ether with an ethylene oxide addition number of 10, 0.25wt% potassium chloride, and 0.2wt% defoamer CRA), at a temperature of 30-60°C, stirring at a high speed for 30min, and then At 60°C, the organic solvent was removed in vacuo. The mechanical stability of the obtained emulsion was measured by the SH / T1151-92 method, and the coagulum content was 3%.
Embodiment 2
[0027] In a 10L stainless steel reactor with stirring, add 30 parts of SBSM solution (in terms of SBSM mass), start stirring, stir at a low speed first, and slowly add 70 parts of water (water contains 0.8 wt% of ammonium oleate, ethylene oxide 0.25wt% of polyoxyethylene octylphenol ether with an addition number of 10, 0.25wt% of potassium chloride, and 0.2wt% of defoaming agent CRA), at a temperature of 30-60°C, high-speed stirring for 30min, at 60°C, pumping The organic solvent was removed in vacuo. The mechanical stability of the obtained emulsion was measured by the SH / T1151-92 method, and the coagulum content was 3%.
Embodiment 3
[0029] In a 10L stainless steel reactor with stirring, add 60 parts of SBSM solution (in terms of SBSM mass), start stirring, first stir at a low speed, and slowly add 40 parts of water (containing 2.5 wt% sodium dodecylbenzenesulfonate in water) , polyoxyethylene octylphenol ether with an ethylene oxide addition number of 10 1.0wt%, potassium chloride 0.8wt%, defoamer CRA 0.5wt%), temperature at 30-60°C, high-speed stirring for 30min, in At 60°C, the organic solvent was removed by vacuum. The mechanical stability of the obtained emulsion was measured by the SH / T1151-92 method, and the coagulum content was 4%.
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