Anti-fall cup
A water cup and drop-proof technology, which is applied to drinking vessels, hollow objects, travel or camping equipment, etc., can solve the problems of poor drop-proof performance of water cups, and achieve the effects of lower prices, high toughness, and good heat resistance
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[0020] The preparation method of the cup body comprises the following steps:
[0021] The first step is to weigh 100-200 parts of ethyl butyl perfluoroether, 200-400 parts of organic alcohol, 120-200 parts of organochlorosilane, 10-30 parts of catalyst, and 100-200 parts of ethyl orthosilicate according to the mass fraction. 40-100 parts of trihydrocarbyl monochlorosilane.
[0022] In the second step, add 100-200 parts of ethyl butyl perfluoroether and 200-400 parts of organic alcohol into the reactor, stir evenly, and stir at a temperature of 20-30°C for 60-90 minutes to obtain prepolymer 1 ;
[0023] In the third step, add 120 to 200 parts of organochlorosilane to the prepolymer 1 obtained in the second step, stir evenly at a temperature of 20 to 30°C, add 10 to 30 parts of catalyst, continue to stir and heat to 70 to 90 ℃, react for 16-18 hours to obtain prepolymer 2, and the stirring speed is 300-400r / min
[0024] The fourth step is to add 100 to 200 parts of orthosilic...
Embodiment 1
[0028] In the first step, 100 parts of butyl perfluoroether, 200 parts of organic alcohol, 120 parts of organochlorosilane, 10 parts of catalyst, 100 parts of tetraethyl orthosilicate, and 40 parts of trihydrocarbyl monochlorosilane were weighed according to mass fraction.
[0029] In the second step, add 100 parts of ethyl butyl perfluoroether and 200 parts of organic alcohol into the reactor, stir evenly, and stir at a temperature of 20°C for 60 minutes to obtain prepolymer 1;
[0030] In the third step, add 120 parts of organochlorosilane to the prepolymer 1 obtained in the second step, stir evenly at a temperature of 20°C, add 10 parts of catalyst, continue to stir and heat to 70°C, and react for 16 hours to obtain the prepolymer Polymer 2, stirring speed is 300r / min
[0031] In the fourth step, 100 parts of tetraethyl orthosilicate was added dropwise to the prepolymer 2 obtained in the third step at 70°C, and after the dropwise addition for 30 minutes, the polycondensatio...
Embodiment 2
[0035] In the first step, weigh 200 parts of butyl butyl perfluoroether, 400 parts of organic alcohol, 200 parts of organochlorosilane, 30 parts of catalyst, 200 parts of tetraethyl orthosilicate, and 100 parts of trihydrocarbyl monochlorosilane according to mass fraction.
[0036] In the second step, add 200 parts of ethyl butyl perfluoroether and 400 parts of organic alcohol into the reactor, stir evenly, and stir at a temperature of 30°C for 90 minutes to obtain prepolymer 1;
[0037] In the third step, add 200 parts of organochlorosilane to the prepolymer 1 obtained in the second step, stir evenly at a temperature of 30°C, add 30 parts of catalyst, continue to stir and heat to 90°C, and react for 18 hours to obtain the prepolymer Polymer 2, stirring speed is 400r / min
[0038] In the fourth step, add 200 parts of tetraethyl orthosilicate dropwise to the prepolymer 2 obtained in the third step at 70-80°C, add dropwise for 30-40 minutes and then keep warm for 60 minutes to po...
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