Anti-cracking waterproof coating and preparation method thereof
A waterproof coating and powder technology, applied in cement coatings, coatings, etc., can solve the problems of polymer cement-based coatings that are easy to crack and affect waterproof performance, and achieve long-term crack resistance and waterproof effects with broad application prospects
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example 1
[0057] Weigh the zeolite and put it into a pulverizer to pulverize it and pass it through an 80-mesh sieve, collect the sieved material to obtain a pretreated zeolite, mix the lignin powder and a sodium bicarbonate solution with a mass fraction of 30% at a mass ratio of 1:10, and obtain a mixed Suspension, and then the pretreated zeolite and the mixed suspension are mixed according to a mass ratio of 1:10 to obtain a mixed solution; the above-mentioned mixed solution is placed in an ultrasonic oscillator, and the ultrasonic vibration reaction is performed at a frequency of 30 kHz for 3 hours. After the end, filter and separate to obtain the filter residue, first put the obtained filter residue into a stainless steel reactor, reduce the pressure in the reactor to 0.05Mpa, and heat up to 40°C, keep the temperature and stand for 1h to obtain the pre-reactant; Move the reactants into the carbonization furnace, heat up to 400°C under the protection of nitrogen, and heat-preserve car...
example 2
[0059] Weigh the zeolite and put it into a pulverizer to pulverize it and pass it through an 80-mesh sieve, collect the sieved material to obtain a pretreated zeolite, mix the lignin powder and a sodium bicarbonate solution with a mass fraction of 30% at a mass ratio of 1:10, and obtain a mixed Suspension, and then the pretreated zeolite and the mixed suspension are mixed according to a mass ratio of 1:10 to obtain a mixed solution; the above-mentioned mixed solution is placed in an ultrasonic oscillator, and the ultrasonic vibration reaction is performed at a frequency of 32 kHz for 3 hours. After the end, filter and separate to obtain the filter residue, first put the obtained filter residue into a stainless steel reactor, reduce the pressure in the reactor to 0.05Mpa, and heat up to 41°C, keep the temperature and let it stand for 1 hour to obtain the pre-reactant; Move the reactants into the carbonization furnace, heat up to 420°C under the protection of nitrogen, and heat-p...
example 3
[0061] Weigh the zeolite and put it into a pulverizer to pulverize it and pass it through an 80-mesh sieve, collect the sieved material to obtain a pretreated zeolite, mix the lignin powder and a sodium bicarbonate solution with a mass fraction of 30% at a mass ratio of 1:10, and obtain a mixed Suspension, and then the pretreated zeolite and the mixed suspension are mixed according to the mass ratio of 1:10 to obtain a mixed solution; the above-mentioned mixed solution is placed in an ultrasonic oscillator, and the ultrasonic vibration reaction is performed at a frequency of 35 kHz for 4 hours. After the end, filter and separate to obtain the filter residue, first put the obtained filter residue into a stainless steel reactor, reduce the pressure in the reactor to 0.05Mpa, and heat up to 43°C, keep the temperature and stand for 2 hours to obtain the pre-reactant; Move the reactant into the carbonization furnace, heat up to 450°C under the protection of nitrogen, and heat-preser...
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