Easy-to-disperse sericite for cosmetics and preparation method thereof
An easy dispersibility, cosmetic technology, applied in the direction of dyeing organosilicon compound treatment, dyeing low molecular organic compound treatment, fibrous filler, etc., can solve problems such as easy peeling, and achieve reduced aggregation, refreshing skin feel, and excellent gloss. Effect
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[0044] Example 1:
[0045] Add 200g of sericite powder for cosmetics (Chuzhou Gerui) into a high-speed mixer, stir and disperse at 1000 rpm. When the temperature reaches 70°C, add 5% of sericite powder for cosmetics and prepare a surface treatment agent ( N-octyl triethoxy silane: polymethylhydrogensiloxane: polydimethylsiloxane: isopropanol mass ratio = 25:25:50:100), after continuing to stir for 1h, use an electric heating drum The air drying oven was aged at 105°C for 1 hour to obtain sericite for cosmetics with easy dispersibility.
[0046] For the obtained sericite (powder) for cosmetics with easy dispersibility, the SEM photo shows the powder particle morphology and the dispersion status of the surface treatment agent, see the photo figure 1 . by figure 1 It is known that the surface modifier is densely distributed on the surface of sericite crystals in the form of stars. Through infrared spectrum (IR) image (KBr tablet method) [ Figure 5 Medium (a)], activation index and...
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[0047] Example 2:
[0048] Add 200g of sericite powder for cosmetics (Chuzhou Gerui) into a high-speed mixer, stir and disperse at 1000 rpm. When the temperature reaches 70°C, add 10% sericite powder for cosmetics and prepare a surface treatment agent ( N-octyltriethoxysilane: polymethylhydrogensiloxane: polydimethylsiloxane: isopropanol mass ratio = 25:25:50:100), continue to stir for 1h, use an electric heating drum The air drying oven was aged at 105°C for 1h to obtain sericite powder for cosmetics with easy dispersibility.
[0049] For the obtained sericite (powder) for cosmetics with easy dispersibility, the SEM photo shows the powder particle morphology and the dispersion status of the surface treatment agent, see the photo figure 2 . figure 2 It is known that the surface modifier is densely distributed on the surface of sericite crystals in the form of stars. Through infrared spectrum (IR) image (KBr tablet method) [ Figure 5 Medium (b)], activation index and contact an...
Example Embodiment
[0050] Example 3:
[0051] Add 200g of sericite powder for cosmetics (Chuzhou Gerui) into a high-speed mixer, stir and disperse at 1000 rpm. When the temperature reaches 70°C, add 5% of sericite powder for cosmetics and prepare a surface treatment agent ( The mass ratio of polymethylhydrogensiloxane: polydimethylsiloxane: isopropanol=50:50:100), after continuing to stir for 1h, use an electric blast drying oven to age at 105℃ for 1h to obtain easy Dispersible sericite powder for cosmetics.
[0052] For the obtained sericite (powder) for cosmetics with easy dispersibility, the SEM photo shows the powder particle morphology and the dispersion status of the surface treatment agent, see the photo image 3 . image 3 It is known that the surface modifier is densely distributed on the surface of sericite crystals in the form of stars. Through infrared spectrum (IR) image (KBr tablet method) [ Figure 5 Medium (c)], activation index and contact angle (Table 1) are measured to illustrate...
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