A kind of preparation method of perlite composite filter aid loaded with amine
A perlite and filter aid technology, applied in chemical instruments and methods, silicon compounds, other chemical processes, etc., can solve problems such as difficult termination and post-processing
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Embodiment 1
[0016] 1. Preparation of composite filter aid
[0017] Take 10g of melamine cyanurate and add it to 20mL of a mixed solvent made of ethanol, n-butanol, and butyl acetate (10mL, 3mL, and 7mL for ethanol, n-butanol, and butyl acetate, respectively) to make a stop solution;
[0018] Weigh 15g of perlite and 15g of bentonite, add them to the above stop solution, and stir at 70-80°C for 5-6 hours to obtain a functional composite filter aid.
[0019] 2. Composite filter aid is used for termination and filtration of petroleum resin liquid
[0020] Weigh 500mL of ethylene cracking by-products (see Table 1 for the main components) into the reactor, add 7.5mL of boron trifluoride diethyl ether initiator dropwise at the polymerization temperature (20°C), and the color of the system immediately changes from light yellow transparent liquid to jujube The red translucent liquid is accompanied by a sharp exothermic phenomenon. It takes about 1 hour to add it dropwise, and then keep the polym...
Embodiment 2
[0024] 1. Preparation of composite filter aid
[0025] Take 6g of melamine cyanurate and add it to 20mL of a mixed solvent made of ethanol, n-butanol, and butyl acetate (ethanol, n-butanol, and butyl acetate are 8mL, 7mL, and 5 mL, respectively) to make a stop solution;
[0026] Weigh 20g of perlite and 10g of bentonite, add them to the above MCA, and stir at 70-80°C for 5-6 hours to obtain a functional composite filter aid.
[0027] 2. Composite filter aid is used for termination and filtration of petroleum resin liquid
[0028] Weigh 500mL of ethylene cracking by-products (main components are shown in Table 1) into the reactor, add 4mL of boron trifluoride ether initiator dropwise at the polymerization temperature (40°C), the color of the system changes from light yellow transparent liquid to maroon immediately The translucent liquid is accompanied by a sharp exothermic phenomenon. It takes about 1 hour to add it dropwise, and then keep the polymerization reaction at this t...
Embodiment 3
[0031] 1. Preparation of composite filter aid
[0032] Take 7g of melamine pyrophosphate and add it to 20mL of a mixed solvent made of ethanol, n-butanol, and butyl acetate (ethanol, n-butanol, and butyl acetate are 8mL, 6mL, and 6 mL, respectively) to make a stop solution;
[0033] Weigh 20g of perlite and 10g of bentonite, add them to the above stop solution, and stir at 70-80°C for 5-6 hours to obtain a functional composite filter aid.
[0034] 2. Composite filter aid is used for termination and filtration of petroleum resin liquid
[0035] Weigh 500mL of ethylene cracking by-products (see Table 1 for the main components) and add them to the reactor, add 6mL of boron trifluoride ether initiator dropwise at the polymerization temperature (30°C), the color of the system changes from light yellow transparent liquid to maroon immediately The translucent liquid is accompanied by a sharp exothermic phenomenon. It takes about 1 hour to add it dropwise, and then keep the polymeriz...
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