Modified titanium dioxide/sulfonated hydrogenated castor oil succinate composite material and preparation method thereof
A technology of titanium dioxide and composite materials, applied in the field of tanning, to achieve good lipophilicity and improved UV absorption
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[0021] The invention relates to a preparation method of a modified titanium dioxide / succinate sulfonated hydrogenated castor composite material, using succinate sulfonated hydrogenated castor oil as a matrix, and TiO modified by different modifiers 2 Introduced into succinate sulfonated hydrogenated castor oil to obtain modified TiO 2 / Succinate sulfonated hydrogenated castor composite material, specifically realized by the following steps:
[0022] Step 1: Mix 90g of absolute ethanol, 10g of water and 1g of nano-TiO 2 Mix in a 200ml beaker for ultrasonication, put the ultrasonicated mixture into a three-necked flask, then raise the temperature, add a modifier, adjust the pH, react for several hours, wash and dry the modified particles with absolute ethanol and pure water, and prepare Modified TiO 2 ;
[0023] Step 2: Take 25g of hydrogenated castor oil and 8.116g of maleic anhydride to react at 95°C for 3h, add 0.433-1.667g of modified TiO 2 React for 1 hour, cool down to...
Embodiment 1
[0027] Step 1: Mix 90g of absolute ethanol, 10g of water and 1g of nano-TiO 2 Mix in a 200ml beaker for ultrasonication, put the ultrasonicated mixture into a three-necked flask, then raise the temperature, add a modifier, adjust the pH, react for several hours, wash and dry the modified particles with absolute ethanol and pure water, and prepare Modified TiO 2 ;
[0028] Step 2: Take 25g of hydrogenated castor oil and 8.116g of maleic anhydride to react at 95°C for 3h, add 0.433g of modified TiO 2 React for 1 hour, cool down to 65°C and add sodium bisulfite solution (take 8.613g of sodium bisulfite and purified water to make a 40% solution), adjust the pH of the system to 8.5 with ammonia water, react for 5 hours, and adjust the solid content to 40 % reacted for 20min to obtain a composite material.
[0029] In step 1, the power of ultrasonic treatment is 800w, and the ultrasonic time is 30min.
[0030] In step 1, the modifier is silane coupling agent KH550, the temperatu...
Embodiment 2
[0032] Step 1: Mix 90g of absolute ethanol, 10g of water and 1g of nano-TiO 2 Mix in a 200ml beaker for ultrasonication, put the ultrasonicated mixture into a three-necked flask, then raise the temperature, add a modifier, adjust the pH, react, wash and dry the modified particles with absolute ethanol and pure water, and prepare a modified Sex TiO 2 ;
[0033] Step 2: Take 25g of hydrogenated castor oil and 8.116g of maleic anhydride to react at 95°C for 3h, add 1.05g of modified TiO 2 React for 1 hour, cool down to 65°C and add sodium bisulfite solution (take 8.613g of sodium bisulfite and purified water to make a 40% solution), adjust the pH of the system to 8.5 with ammonia water, react for 5 hours, and adjust the solid content to 40 % reacted for 20min to obtain a composite material.
[0034] In step 1, the power of ultrasonic treatment is 650w, and the ultrasonic time is 45min.
[0035] In step 1, the modifier is silane coupling agent KH550, the temperature of the sys...
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