Preparation method of high-temperature-resistant anchoring glue
A high-temperature-resistant, anchoring adhesive technology, used in adhesives, epoxy resin adhesives, adhesive types, etc., can solve the problems of poor high-temperature resistance, unable to meet the requirements of the construction industry, insufficient mechanical strength, etc., to improve mechanical properties. , Improve surface polarity and dispersion, improve high temperature resistance and mechanical properties
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example 1
[0024]Mix and stir bisphenol A epoxy resin, bismaleimide resin and cyanate resin at a mass ratio of 2:1:1 for 20 minutes, heat up to 240°C to obtain a mixed resin, mix the mixed resin and the mass fraction Mix and stir 20% silica sol for 1 hour at a mass ratio of 1:2 to obtain a modified epoxy resin; weigh 32 g of diatomaceous earth, grind and pulverize it for 7 minutes, pass through a 100-mesh sieve, collect the sieved powder, and mix the sieved powder with silane The coupling agent KH-550 was mixed and stirred for 12 minutes according to the mass ratio of 1:2. After stirring, the mixture was obtained. Continue to add glucose with 6% of the mass of the mixture and yogurt with 0.9% of the mass of the mixture to the mixture, and put it into a fermenter. Sealed fermentation at 30°C for 9 days, after the end of the fermentation, take out the fermentation product, which is the modified diatomite powder; mix absolute ethanol and acetone for 10 minutes in an equal volume ratio to obt...
example 2
[0026] Mix and stir bisphenol A epoxy resin, bismaleimide resin and cyanate resin at a mass ratio of 2:1:1 for 25 minutes, heat up to 270°C to obtain a mixed resin, mix the mixed resin and the mass fraction 20% silica sol was mixed and stirred for 1.5 hours at a mass ratio of 1:2 to obtain a modified epoxy resin; 36g of diatomaceous earth was weighed, ground and pulverized for 8 minutes, and passed through a 100-mesh sieve to collect the sieved powder, and the sieved powder and The silane coupling agent KH-550 was mixed and stirred for 14 minutes according to the mass ratio of 1:2. After stirring, the mixture was obtained. Continue to add glucose with a mass of 6% of the mass of the mixture and yogurt with a mass of 0.9% of the mass of the mixture to the mixture, and put it into a fermenter. It is sealed and fermented at 35°C for 10 days. After the fermentation, the fermentation product is taken out, which is the modified diatomite powder; absolute ethanol and acetone are mixed...
example 3
[0028] Mix and stir bisphenol A epoxy resin, bismaleimide resin and cyanate resin at a mass ratio of 2:1:1 for 30 minutes, heat up to 300°C to obtain a mixed resin, mix the mixed resin and the mass fraction Mix and stir 20% silica sol for 2 hours at a mass ratio of 1:2 to obtain a modified epoxy resin; weigh 40 g of diatomaceous earth, grind and pulverize it for 9 minutes, pass through a 100-mesh sieve, collect the sieved powder, and mix the sieved powder with silane The coupling agent KH-550 was mixed and stirred for 16 minutes according to the mass ratio of 1:2. After stirring, the mixture was obtained. Continue to add glucose with a mass of 6% of the mass of the mixture and yogurt with a mass of 0.9% of the mass of the mixture to the mixture, and put it into a fermenter. Sealed fermentation at 40°C for 11 days, after the end of fermentation, take out the fermentation product, which is the modified diatomite powder; mix absolute ethanol and acetone for 12 minutes according to...
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