Method for modifying clay by using organic silicon micro-emulsion
A microemulsion and organosilicon technology, which is applied in the treatment of dyed organosilicon compounds and fibrous fillers, can solve the problems that there is no organosilicon microemulsion modified clay, so as to promote high performance, realize efficient utilization, and improve phase capacitive effect
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Embodiment 1
[0017] 2.5g of sodium dodecylsulfonate and 10g of ethyl silicone oil were mixed and stirred for 20 minutes at a stirring rate of 2000 rev / min, and then a total of 40g of distilled water was added in 6 times with an interval of 40 minutes each time to obtain silicone micro-particles. lotion. Wash the kaolin in water and skim off the impurities in the upper layer, dry it at 100°C, grind it, and pass through a 100-mesh sieve to get kaolin powder; add 50g of kaolin powder to the stirring tank, and stir at 350 rpm at 30°C; The silicone microemulsion prepared above is atomized and sprayed into the stirred clay, and after the addition of the silicone microemulsion is completed, the stirring is continued for 1.5 hours, the material is discharged, and the silicone microemulsion modified clay is obtained by heat treatment at 160° C. for 2 hours.
Embodiment 2
[0019] 2.5g sodium lauryl sulfonate, 2.5g sorbitan monostearate and 10g ethyl silicone oil were mixed and stirred for 30 minutes at a stirring speed of 1800 rev / min, and then adding a total amount of 40g of distilled water in 4 times, Each interval is 50 minutes to obtain a silicone microemulsion. Wash kaolin and bentonite in water respectively, skim off the impurities in the upper layer, dry at 100°C, grind, and pass through a 100-mesh sieve to obtain kaolin powder and bentonite powder. Add 50g of kaolin powder and 25g of bentonite powder into the stirred tank, stir at 55°C at a rate of 500 rpm; atomize and spray the above-prepared silicone microemulsion into the stirred clay, wait until the silicone microemulsion is added, Stirring was continued for 1.5 hours, the material was discharged, and the silicone microemulsion modified clay was obtained by heat treatment at 200° C. for 1 hour.
Embodiment 3
[0021] Mix and stir 2g of fatty alcohol polyoxyethylene ether and 15g of amino silicone oil for 40 minutes at a stirring rate of 2600 rpm, and then add a total of 30g of distilled water in 6 times, with an interval of 20 minutes between the first time and the second time, and the remaining intervals In 30 minutes, the silicone microemulsion was obtained. Wash the montmorillonite and attapulgite in water, skim off the impurities in the upper layer, dry at 150°C, grind, and pass through a 500-mesh sieve to obtain kaolin powder and bentonite powder. Add 50g of montmorillonite soil powder and 50g of attapulgite powder into the stirred tank, stir at 30°C at a rate of 2000 rpm; atomize and spray the above-prepared silicone microemulsion into the stirred clay, and wait for the silicone After adding the microemulsion, continue stirring for 1.5 hours, discharge, and heat treat at 100° C. for 5 hours to obtain silicone microemulsion modified clay.
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