Chlorinated paraffin ultraviolet absorber
A chlorinated paraffin and ultraviolet technology, which is applied in the field of chlorinated paraffin ultraviolet absorbers, can solve the problems of affecting the anti-ultraviolet effect, difficult dispersion of nano-materials, limited absorption range and absorption capacity, etc., to achieve excellent ultraviolet absorption range and improve ultraviolet absorption Ability, the effect of excellent absorbency
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Embodiment 1
[0022] A chlorinated paraffin ultraviolet absorber, its raw materials include modified ZnO@Ag core-shell nanomaterials, modified nano TiO 2 , in which modified ZnO@Ag core-shell nanomaterials, modified nano-TiO 2 The weight ratio is 10:60.
[0023] The modified ZnO@Ag core-shell nanomaterial is obtained by mixing simethicone oil and ZnO@Ag core-shell nanomaterial at a weight ratio of 1:100 and then oscillating evenly at room temperature. Among them, the preparation method of ZnO@Ag core-shell nanomaterials is as follows: mix nano-ZnO with an average particle size of 35nm and ammonium oxalate solution with a mass fraction of 0.5% at a weight ratio of 0.4:10 and disperse evenly, then slowly add the equivalent of nano The mass fraction of 5 times of ZnO weight is 0.1% silver nitrate solution, stirred and reacted for 2h at 60°C, centrifuged, washed and dried, then placed in a mixed solution of ethylene glycol and hexanaphthene equivalent to 10 times of the weight of nanometer ZnO...
Embodiment 2
[0026] A chlorinated paraffin ultraviolet absorber, its raw materials include modified ZnO@Ag core-shell nanomaterials, modified nano TiO 2 , in which modified ZnO@Ag core-shell nanomaterials, modified nano-TiO 2 The weight ratio is 40:90.
[0027] The modified ZnO@Ag core-shell nanomaterial is obtained by mixing simethicone oil and ZnO@Ag core-shell nanomaterial at a weight ratio of 1.5:100 and then shaking uniformly at room temperature. Among them, the preparation method of ZnO@Ag core-shell nanomaterials is as follows: mix nano-ZnO with an average particle size of 50nm and ammonium oxalate solution with a mass fraction of 0.5% at a weight ratio of 0.4:10 and disperse evenly, and then slowly add the equivalent of nano The mass fraction of 5 times of ZnO weight is 0.1% silver nitrate solution, stirred and reacted for 2h at 60°C, centrifuged, washed and dried, then placed in a mixed solution of ethylene glycol and hexanaphthene equivalent to 10 times of the weight of nanomete...
Embodiment 3
[0030] A chlorinated paraffin ultraviolet absorber, its raw materials include modified ZnO@Ag core-shell nanomaterials, modified nano TiO 2 , in which modified ZnO@Ag core-shell nanomaterials, modified nano-TiO 2 The weight ratio is 10:60.
[0031] The raw material also includes 1% modified nano hydrotalcite accounting for the total weight of the raw material.
[0032] The modified ZnO@Ag core-shell nanomaterial is obtained by mixing simethicone oil and ZnO@Ag core-shell nanomaterial at a weight ratio of 1:100 and then oscillating evenly at room temperature. Among them, the preparation method of ZnO@Ag core-shell nanomaterials is as follows: mix nano-ZnO with an average particle size of 35nm and ammonium oxalate solution with a mass fraction of 0.5% at a weight ratio of 0.4:10 and disperse evenly, then slowly add the equivalent of nano The mass fraction of 5 times of ZnO weight is 0.1% silver nitrate solution, stirred and reacted for 2h at 60°C, centrifuged, washed and dried, ...
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