阅读说明：本技术 一种固体粉末化妆品及其制备方法 (Solid powder cosmetic and preparation method thereof ) 是由 李福娟 于 2020-04-17 设计创作，主要内容包括：本发明公开了一种固体粉末化妆品,其特征在于,包括如下重量份计的各组分：1,3-双(3-羧基丙基)四甲基二硅烷/二羟基神经酰胺缩聚物5-10份、alpha-半乳酸糖基-C16-神经酰胺/卵磷脂/甘草查尔酮B/3-(2-丙烯基硒基)-L-丙氨酸/超支化聚硅氧烷共聚物粉体25-40份、液态油10-15份、表面改性无机粉体8-12份。本发明还公开了所述固体粉末化妆品的制备方法。本发明公开的固体粉末化妆品耐冲击性和使用性优异,稳定性和化妆持久性佳,涂敷时的延展性、润滑感和亲和性好。(The invention discloses a solid powder cosmetic which is characterized by comprising, by weight, 5-10 parts of 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxy ceramide polycondensate, 25-40 parts of alpha-galactarate glycosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder, 10-15 parts of liquid oil and 8-12 parts of surface modified inorganic powder.)

1. The solid powder cosmetic is characterized by comprising, by weight, 5-10 parts of 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxy ceramide polycondensate, 25-40 parts of alpha-galacturonic acid glycosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder, 10-15 parts of liquid oil and 8-12 parts of surface-modified inorganic powder.

2. A solid powder cosmetic preparation according to claim 1, wherein said 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxyceramide polycondensate is prepared by a process comprising the steps of: dissolving 1, 3-bis (3-carboxypropyl) tetramethyldisilane in a high boiling point solvent, adding dihydroxyceramide, 4-dimethylaminopyridine and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride after completely dissolving, stirring and reacting for 4-6 hours at the temperature of 110 ℃ under the atmosphere of nitrogen or inert gas, and then removing the solvent by rotary evaporation to obtain the 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxyceramide polycondensate.

3. A solid powder cosmetic according to claim 2, wherein the molar ratio of 1, 3-bis (3-carboxypropyl) tetramethyldisilane, the high boiling point solvent, the dihydroxyceramide, the 4-dimethylaminopyridine, the 1-ethyl- (3-dimethylaminopropyl) carbonyldiimine hydrochloride is 1 (6-10):1 (0.6-0.8): 0.35; the high boiling point solvent is at least one of dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone; the inert gas is one of helium, neon and argon.

4. A solid powder cosmetic as claimed in claim 1, wherein the preparation method of the alpha-galactosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder comprises the steps of adding alpha-galactosyl-C16-ceramide, lecithin, licochalcone B, 3- (2-propenyl seleno) -L-alanine, hyperbranched polysiloxane and an initiator into N-methylpyrrolidone, stirring and reacting for 3-5 hours at 65-75 ℃ under nitrogen atmosphere, removing N-methylpyrrolidone by rotary evaporation, drying at 80-90 ℃ in a vacuum drying oven to constant weight, grinding, and sieving to obtain alpha-galactosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder.

5. A solid powder cosmetic as claimed in claim 4, wherein the mass ratio of alpha-galactosyl-C16-ceramide, lecithin, licochalcone B, 3- (2-propenyl seleno) -L-alanine, hyperbranched polysiloxane, initiator and N-methylpyrrolidone is 1:1:2:0.1 (0.3-0.5): 0.03-0.05): 15-20, and the initiator is at least one of azobisisobutyronitrile and azobisisoheptonitrile.

6. A solid powder cosmetic according to claim 1, wherein the liquid oil is at least one of isopropyl isostearate, diisostearate malate, squalane, and silicone oil.

7. The solid powder cosmetic as claimed in claim 1, wherein the method for preparing the surface-modified inorganic powder comprises the steps of: dispersing inorganic powder in ethanol, adding urea propyl triethoxysilane and acetoxy methyl triethoxysilane, stirring at 70-80 deg.C for reaction for 3-6 hr, and removing ethanol by rotary evaporation to obtain surface modified inorganic powder.

8. The solid powder cosmetic as claimed in claim 7, wherein the mass ratio of the inorganic powder to the alcohol to the ureidopropyltriethoxysilane to the acetoxymethyltriethoxysilane is (3-5) (20-25) to 0.1: 0.3; the inorganic powder is formed by mixing pumice, pearl powder and titanium dioxide spherical powder according to the mass ratio of 1 (1-2) to 0.5.

9. A solid powdery cosmetic as claimed in any one of claims 1 to 8, which is prepared by a process comprising the steps of mixing a 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxyceramide polycondensate, an alpha-galactidoyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder, and a surface-modified inorganic powder uniformly, grinding the mixture to 5 to 15 μm, heating the mixture to 100 ℃ and 110 ℃, mixing the mixture with a liquid oil uniformly to obtain a mixed material, directly filling the mixed material in a container, and compression-molding the filled mixture to obtain the solid powdery cosmetic.

Technical Field

The invention relates to the technical field of daily chemicals, in particular to a solid powder cosmetic and a preparation method thereof.

Background

In recent years, there is a growing need for cosmetics, which are "life-saving straws" for beauty-conscious friends to keep youth and charm and to enhance their personal confidence of communication. The skin of human body is easy to have the skin photoaging problems such as increase of wrinkles, melanin deposition, reduction of elasticity and the like along with the increase of age, increase of living and working pressure, increasing of environmental problems, damage of sunlight and ultraviolet rays in external environment, and skin diseases such as molting, erythema, dermatitis, skin cancer and the like can also be caused seriously. Therefore, it is important to select a suitable cosmetic to make the skin of beauty lovers play back the light.

At present, the cosmetics on the market are all glaucous, and the solid powder cosmetics are typical cosmetics, and the cosmetics are widely applied to the fields of color cosmetics such as foundation make-up and eye shadow, talcum powder and the like due to the fact that the cosmetics are easy to carry and simple to use. The solid powder cosmetic is obtained by adding an oily component as a binder to a powder component, mixing the mixture, and filling the mixture in a container. The powder component is mainly composed of an inorganic pigment, an organic pigment, and a resin powder, and the pigment is further classified into a colored pearl pigment for adjusting color tone and gloss, and an extender pigment other than these. The extender pigment is typically a plate-like powder such as talc, mica, kaolin, etc., and occupies most of the powder components, and has a large influence on the moldability, adhesion, usability, etc. of the cosmetic. Further, by adding a specific pigment such as boron nitride, synthetic fluorophlogopite, barium sulfate or the like to these basic extender pigments, the powder cosmetic can be formed to have a characteristic.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a solid powder cosmetic which is excellent in impact resistance and usability, excellent in stability and cosmetic durability, and excellent in spreading property, lubricating feeling and affinity at the time of application; meanwhile, the invention also provides a preparation method of the solid powder cosmetic, and the preparation method is simple and easy to operate, low in preparation cost, low in energy consumption, high in preparation efficiency and suitable for continuous large-scale production.

In order to achieve the purpose, the invention adopts the technical scheme that:

the solid powder cosmetic is characterized by comprising, by weight, 5-10 parts of 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxy ceramide polycondensate, 25-40 parts of alpha-galacturonic acid glycosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder, 10-15 parts of liquid oil and 8-12 parts of surface-modified inorganic powder.

Further, the method for preparing the polycondensate of the 1, 3-bis (3-carboxypropyl) tetramethyldisilane and the dihydroxy ceramide comprises the following steps: dissolving 1, 3-bis (3-carboxypropyl) tetramethyldisilane in a high boiling point solvent, adding dihydroxyceramide, 4-dimethylaminopyridine and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride after completely dissolving, stirring and reacting for 4-6 hours at the temperature of 110 ℃ under the atmosphere of nitrogen or inert gas, and then removing the solvent by rotary evaporation to obtain the 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxyceramide polycondensate.

Preferably, the molar ratio of the 1, 3-bis (3-carboxypropyl) tetramethyldisilane, the high-boiling-point solvent, the dihydroxyceramide, the 4-dimethylaminopyridine and the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 1 (6-10):1 (0.6-0.8): 0.35.

Preferably, the high boiling point solvent is at least one of dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone.

Preferably, the inert gas is one of helium, neon and argon.

Further, the preparation method of the alpha-galactaratosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder comprises the following steps of adding the alpha-galactaratosyl-C16-ceramide, lecithin, licochalcone B, 3- (2-propenyl seleno) -L-alanine, hyperbranched polysiloxane and an initiator into N-methyl pyrrolidone, stirring and reacting for 3-5 hours at 65-75 ℃ in a nitrogen atmosphere, removing the N-methyl pyrrolidone through rotary evaporation, drying in a vacuum drying oven at 80-90 ℃ to constant weight, grinding and sieving to obtain the alpha-galactaratosyl-C16-ceramide/hyperbranched lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/polysiloxane copolymer powder.

Preferably, the mass ratio of the alpha-galactaratosyl-C16-ceramide to the lecithin to the licochalcone B to the 3- (2-propenyl seleno) -L-alanine to the hyperbranched polysiloxane to the initiator to the N-methylpyrrolidone is 1:1:2:0.1 (0.3-0.5) to (0.03-0.05) to (15-20).

Preferably, the initiator is at least one of azobisisobutyronitrile and azobisisoheptonitrile.

Preferably, the preparation method of the hyperbranched polysiloxane is as follows: example 1 of chinese patent 201910349494.7.

Preferably, the liquid oil is at least one of isopropyl isostearate, diisostearate malate, squalane and silicone oil.

Further, the preparation method of the surface modified inorganic powder comprises the following steps: dispersing inorganic powder in ethanol, adding urea propyl triethoxysilane and acetoxy methyl triethoxysilane, stirring at 70-80 deg.C for reaction for 3-6 hr, and removing ethanol by rotary evaporation to obtain surface modified inorganic powder.

Preferably, the mass ratio of the inorganic powder to the ethanol to the urea propyl triethoxysilane to the acetoxy methyl triethoxysilane is (3-5): (20-25):0.1: 0.3.

Preferably, the inorganic powder is formed by mixing pumice, pearl powder and titanium dioxide spherical powder according to the mass ratio of 1 (1-2) to 0.5.

Preferably, the preparation method of the titanium dioxide spherical powder is as follows: example 1 of chinese patent 2018101067056.

The invention also aims to provide a preparation method of the solid powder cosmetic, which is characterized by comprising the following steps of uniformly mixing 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxy ceramide polycondensate, alpha-galacturonic acid glycosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder and surface modified inorganic powder, grinding to 5-15 mu m, heating to 100 DEG and 110 ℃, uniformly mixing with liquid oil to obtain a mixed material, directly filling the mixed material into a container, and compressing and molding to obtain the solid powder cosmetic.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

(1) the preparation method of the solid powder cosmetic provided by the invention is simple and easy to operate, low in preparation cost, low in energy consumption, high in preparation efficiency and suitable for continuous large-scale production.

(2) The solid powder cosmetic provided by the invention overcomes the defects that the traditional solid powder cosmetic is fragile, has impact-resistant components, has limited pore covering effect, has poor inorganic solid powder dispersibility, shows hard touch when being mixed in a large amount, has poor spreadability, is easy to cause caking and generate floating powder, has low sebum absorbability and is difficult to obtain sufficient cosmetic effect even considering the additional effects of optical and morphological characteristics, and has the advantages of excellent impact resistance and usability, good stability and cosmetic durability, and good ductility, lubrication feeling and affinity when being coated.

(3) The solid powder cosmetic provided by the invention is added with 1, 3-bis (3-carboxypropyl) tetramethyldisilane/dihydroxy ceramide polycondensate and alpha-galactarate glycosyl-C16-ceramide/lecithin/licochalcone B/3- (2-propenyl seleno) -L-alanine/hyperbranched polysiloxane copolymer powder as main components of the cosmetic, silicon oxygen groups and ceramide groups are introduced into the molecular chain of the polycondensate, so that the skin is shielded and repaired favorably, the better skin care effect is achieved, the stability at high temperature is enhanced, and the refreshing feeling during coating can be obtained.

(4) The solid powder cosmetic provided by the invention is added with the surface modified inorganic powder, so that the comprehensive performance of the solid powder cosmetic is further improved, the inorganic powder contains pumice, pearl powder and titanium dioxide spherical powder, the compatibility of the inorganic powder can be improved under the synergistic effect, the stability is enhanced, the floating powder and agglomeration are effectively avoided, the urea propyl group and the acetoxymethyl group are introduced through surface modification, the compatibility of the inorganic powder with other components can be effectively improved, and the comprehensive performance can be improved.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

In the embodiment of the invention, the raw materials are all purchased commercially; the preparation method of the hyperbranched polysiloxane is as follows: example 1 of chinese patent 201910349494.7; the preparation method of the titanium dioxide spherical powder is as follows: example 1 of chinese patent 201810106705.6.