A kind of sponge-loaded organic solvent absorbent and preparation method thereof
An organic solvent and absorbent technology, which is applied in the field of environmental pollution control, sponge-supported organic solvent absorbent and its preparation, can solve the problems of swelling deformation, unfavorable filling and use, easy breakage, etc., and achieves low penetration resistance and industrial applicability. Good, unbreakable effect
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Embodiment 1
[0036] A preparation method of sponge-loaded organic solvent absorbent:
[0037] Put 1.5g of polyurethane sponge, 10g of hexamethylene diisocyanate and 100mL of toluene into a three-necked flask, react at 70°C for 1 hour, wash with toluene repeatedly three times, and filter with suction to obtain an activated sponge, then put the activated sponge, 10mL of hexadiene Add amine and 100mL toluene into a three-necked flask, react at 45°C for 24h, wash with toluene repeatedly three times, filter with suction, and dry in vacuum to obtain a modified sponge;
[0038]The compound emulsifier composed of 0.45g sodium lauryl sulfate and 0.15g octylphenol polyoxyethylene ether is ultrasonically dissolved in 5g distilled water, and the emulsifier aqueous solution is mixed with 3.6g styrene, 9.6g butyl acrylate, 1.5g Methyl methacrylate, 0.15 g of acrylic acid, 0.15 g of glycidyl methacrylate and 0.12 g of dimethyl glycol acrylate were ultrasonically emulsified in an ultrasonic cleaner to obt...
Embodiment 2
[0041] A kind of preparation method of sponge-loaded organic solvent absorbent
[0042] Add 3g of polyurethane sponge, 15g of diphenylmethane diisocyanate and 100mL of toluene into a three-necked flask, react at 80°C for 0.5h, wash with toluene repeatedly for three times, and filter with suction to obtain an activated sponge, then add the activated sponge, 15mL of hexadiene Add amine and 100mL toluene into a three-necked flask, react at 45°C for 18h, wash with toluene repeatedly three times, filter with suction, and dry in vacuum to obtain a modified sponge;
[0043] The compound emulsifier composed of 0.3g sodium dodecylsulfonate and 0.15g octylphenol polyoxyethylene ether was ultrasonically dissolved in 6.7g distilled water, and the emulsifier aqueous solution was mixed with 4.8g styrene, 12.8g butyl acrylate, 2g of lauryl methacrylate, 0.3g of glycidyl methacrylate and 0.16g of dimethyl glycol acrylate were ultrasonically emulsified in an ultrasonic cleaner to obtain a unif...
Embodiment 3
[0045] A kind of preparation method of sponge-loaded organic solvent absorbent
[0046] Add 2g of polyurethane sponge, 12g of diphenylmethane diisocyanate and 100mL of toluene into a three-necked flask, react at 60°C for 2h, wash with toluene repeatedly three times, and filter with suction to obtain an activated sponge, then add the activated sponge, 5mL of hexamethylenediamine and 100mL of toluene were added to a three-necked flask, reacted at 40°C for 36h, washed repeatedly with toluene three times, filtered with suction, and dried in vacuum to obtain a modified sponge;
[0047] The compound emulsifier composed of 0.15g sodium lauryl sulfate and 0.15g octylphenol polyoxyethylene ether is ultrasonically dissolved in 3.3g distilled water, and the emulsifier aqueous solution is mixed with 2.4g styrene, 6.4g butyl acrylate, 1g Lauryl methacrylate, 0.1 g acrylic acid, 0.1 g allyl glycidyl ether and 0.08 g divinyl benzene were ultrasonically emulsified in an ultrasonic cleaner to ...
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