Organosilicone composite powder for cosmetics and preparing method of organosilicone composite powder
A composite powder and organosilicon technology, applied in the field of cosmetic organosilicon composite powder and its preparation, can solve the problems of poor powder dispersion fluidity, adverse effects, difficult dispersion, etc., and achieves elimination of adverse effects, reduction of negative effects, The effect of improving liquidity
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Embodiment 1
[0032] (1) Add 9.5g of silicone spherical resin powder (average particle diameter of 1.5 microns) and 0.32g of polyether modified silicone oil (HLB value of 10 to 15) into 49.8g of water and stir at a low speed to prepare an aqueous dispersion;
[0033] (2), 26.8g viscosity is 100cSt vinyl silicone oil (vinyl content 1.1%) and 3.2g viscosity 60cSt hydrogen-containing silicone oil (hydrogen content 0.6%) and 10g silicon processing nano-titanium dioxide are mixed, then add 40ppm catalyst (according to Platinum atomic mass fraction meter), stir evenly, form organosilicon spherical rubber powder;
[0034] (3) Add the mixture described in (2) to the aqueous dispersion described in (1) and stir to mix, and form an emulsion at a temperature below 30°C, raise the temperature to 60-100°C, and react for 2-6 hours. The emulsion is vacuum-dried or spray-dried;
[0035] (4) After the obtained dry powder is milled and dispersed, it is sieved through a 100-200 mesh screen to obtain a cosmet...
Embodiment 2
[0037] (1) Add 14.6g of silicone spherical resin powder (average particle diameter of 1.5 microns) and 0.15g of polyether modified silicone oil (HLB value of 10 to 15) into 56.8g of water and stir at a low speed to prepare an aqueous dispersion;
[0038] (2), 14.2g viscosity is 200cSt vinyl silicone oil (vinyl content 0.75%) and 5.4g viscosity 60cSt hydrogen-containing silicone oil (hydrogen content 0.6%) and 8g silicon processing nano-titanium dioxide are mixed, then add 50ppm catalyst (according to Platinum atomic mass fraction meter), stir evenly, form organosilicon spherical rubber powder;
[0039] (3) Add the mixture described in (2) to the aqueous dispersion described in (1) and stir to mix, and form an emulsion at a temperature below 30°C, raise the temperature to 60-100°C, and react for 2-6 hours. The emulsion is vacuum-dried or spray-dried;
[0040] (4) After the obtained dry powder is milled and dispersed, it is sieved through a 100-200 mesh screen to obtain a cosme...
Embodiment 3
[0042] (1) Add 11g of silicone spherical resin powder (average particle size of 2 microns) and 0.38g of polyether modified silicone oil (HLB value of 10 to 15) into 54.6g of water and stir at a low speed to prepare an aqueous dispersion;
[0043] (2), 25.7g viscosity is 200cSt vinyl silicone oil (vinyl content 0.75%) and 2.3g viscosity 300cSt hydrogen-containing silicone oil (hydrogen content 0.25%) and 6g silicon processing nano zinc oxide are mixed, then add 50ppm catalyst ( Calculated by platinum atomic mass fraction), stir evenly to form organosilicon spherical rubber powder;
[0044] (3) Add the mixture described in (2) to the aqueous dispersion described in (1) and stir to mix, and form an emulsion at a temperature below 30°C, raise the temperature to 60-100°C, and react for 2-6 hours. The emulsion is vacuum-dried or spray-dried;
[0045] (4) After the obtained dry powder is milled and dispersed, it is sieved through a 100-200-mesh sieve to obtain a cosmetic organosilic...
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