Method for preparing stable oil-in-water emulsion with high oil phase content, emulsion prepared by method and application of emulsion
A technology of oil-in-water emulsion and oil phase, which is applied in the field of oil-in-water emulsion, personal care and cosmetic products. a week and so on
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Embodiment 1-3
[0068] The formulations of Examples 1-3 are shown in Table 1 below.
[0069] Table 1
[0070]
[0071] Product 1 was prepared according to the following steps:
[0072] (i) 3wt.% glycerin, 0.1wt.% xanthan gum, 1wt.% emulsifier Add Care450 and 0.1wt.% preservative chloroacetamide in sequence to 10.8wt.% water, mix, heat to 80°C, and stir evenly to obtain phase B;
[0073] (ii) under the stirring speed of 800rpm will be by 45wt.% SOFT OP and 40wt.% The liquid oil phase A composed of SOFT DEC is added to the phase B obtained in step (a) within 5 minutes (that is, the speed of adding 19wt.% oil phase per minute), and the whole system remains uniform throughout the addition process emulsified state; and
[0074] (iii) After the oil phase A is added, increase the stirring speed to 10,000 rpm for homogenization (homogenization), and obtain an oil-in-water emulsified product 1 with a high content of the oil phase, totaling 200 g.
[0075] In this example, the step (ii) has...
Embodiment 4
[0081] The formulation of the oil-in-water emulsion of Example 4 is shown in Table 2 below.
[0082] Table 2
[0083]
[0084]
[0085]In a manner similar to the preparation of Product 1 in Example 1, an oil-in-water emulsion with the formulation of Table 2 above was prepared by adding 85 wt.% of the oil phase A within 15 minutes (i.e., adding 5.6 wt.% of the oil phase A per minute) Speed) stirring and adding to phase B, and finally product 4 was obtained, with a total amount of 1000g. The emulsion obtained in this example has a milky white creamy appearance and good stability: Product 4 was subjected to room temperature stability test, heat resistance test and freeze-thaw test respectively. The room temperature stability test means that the sample is stored at room temperature between 20-25 °C for three months, the heat resistance test means that the sample is stored at 45 °C for three months, and the freeze-thaw test means that the sample is stored at -15 °C / room temp...
Embodiment 5
[0087] The formula of the oil-in-water emulsion of embodiment 5 is as shown in table 3 below:
[0088] table 3
[0089]
[0090] In a manner similar to the preparation of Product 1 in Example 1, an oil-in-water emulsion with the formulation of Table 3 above was prepared by adding 55 wt.% of the oil phase A within 5 minutes (i.e., the rate of adding 11 wt.% of the oil phase per minute ) was stirred and added to phase B, and finally product 5 was obtained, with a total amount of 2000g. The emulsion obtained in this example has a milky white creamy appearance; product 5 was subjected to room temperature stability test, heat resistance test and freeze-thaw test respectively. The room temperature stability test means that the sample is stored at room temperature between 20-25 °C for three months, the heat resistance test means that the sample is stored at 45 °C for three months, and the freeze-thaw test means that the sample is stored at -15 °C / room temperature Three hot and c...
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