CN107951734A

CN107951734A - A kind of sun-proof frost additive and O/W type suncream and preparation method thereof

Info

Publication number: CN107951734A
Application number: CN201711268418.0A
Authority: CN
Inventors: 杨增松
Original assignee: SHENZHEN SANDA COSMETICS Co Ltd
Current assignee: SHENZHEN SANDA COSMETICS Co Ltd
Priority date: 2017-12-05
Filing date: 2017-12-05
Publication date: 2018-04-24

Abstract

The invention discloses a kind of O/W types suncream, including oil phase, water phase and water；Oil phase includes the sun-proof frost additive being made of 22 alcohol phosphates of C20 and 22 alcohol of C20；The sun-proof frost additive accounts for the 0.1 5% of suncream gross weight.The O/W types suncream of the present invention avoids the shortcomings of conventional O/W types suncream water proofing property is poor, patch skin is relatively low not only with frivolous and soft use feeling but also with good durability.

Description

A kind of sun-proof frost additive and O/W type suncream and preparation method thereof

Technical field

The present invention relates to cosmetic product and preparation field, more particularly to a kind of sun-proof frost additive and apply the addition O/W type suncreams of agent and preparation method thereof.

Background technology

Suncream can play ultraviolet protection effect, be because in skin surface by electrodeless sun-screening agent titanium dioxide, oxygen Changing the raw materials such as the zinc particulate ultraviolet protection layer that either organic uv absorbers form, there is silicone resin or emulsion to combine The structure that layer is formed.But the film layer of suncream, when towel wipes, sebum perspires or has water, binder course can be destroyed, Caking occurs or falls adornment phenomenon.If the reduction of film layer can be suppressed by strengthening binder course, while be occurred as painting The same use feeling problem, therefore attention binder course durability and water proofing property are accounted for use feeling problem at the same time.

The type of the suncream of present market sale is divided into water in oil (hereinafter referred to as：W/O) and oil-in-water type is (following Referred to as：O/W).W/o type suncream is because foreign minister is oil, and persistence is good and has very high SPF, but a disadvantage is that having Greasy and thick and heavy use feeling；Opposite O/W type suncream advantages are that have frivolous and soft use feeling, but O/W types are sun-proof White water proofing property is poor, so patch skin is relatively low, sweats or has the shortcomings that water is just easy to adornment.Because O/W types use feeling is good, It is subject to many consumers, but does not disclosure satisfy that the anti-of the good O/W types of the durability of consumer demand also so far Shine frost.Thus the suncream of the required O/W type good with good use feeling and durability of exploitation consumer becomes newly The market demand.

The content of the invention

It is an object of the invention to provide a kind of new sun-proof frost additive, the O/W type suncreams using the additive And preparation method thereof, the problem of O/W type suncreams of preparation overcome traditional O/W types suncream durability insufficient.On realizing Purpose is stated, the present invention provides following technical solution：

A kind of sun-proof frost additive, is made of C20-22 alcohol phosphate and C20-22 alcohol；Wherein C20-22 alcohol phosphate and The weight ratio of C20-22 alcohol is 5~6：4~5.

A kind of O/W types suncream, including oil phase, water phase and water；The oil phase is included described in claim 1 by C20-22 alcohol The sun-proof frost additive of phosphate and C20-22 alcohol composition；The sun-proof frost additive accounts for the 0.1-5% of suncream gross weight.

Preferably, the methoxy that the oil phase further includes and accounts for the cetostearyl alcohol of gross weight 0.1-5%, accounts for weight 0.1-10% Base 2-Ethylhexyl cinnamate, the dimethyl silicone polymer for accounting for gross weight 0.1-5%, the palmitic acid second for accounting for gross weight 0.1-10% The own ester of base, account for gross weight 0.1-10% Triglyceride DDDs or Trivent OCG；The water mutually includes accounting for gross weight 0.01- 0.5% EDTA-2 sodium, the 1,3-BDO of gross weight 0.1-15% account for, account for the xanthans of gross weight 0.01-1%；Surplus is Water.

Preferably, the oil phase further includes emulsifying agent；The emulsifying agent accounts for the 0.1-2% of gross weight.

Preferably, the water mutually further includes preservative；The preservative accounts for gross weight 0.1-2%.

Preferably, the O/W types suncream further includes triethanolamine and thickener, and wherein triethanolamine accounts for gross weight 0.01-0.5%, thickener account for gross weight 0.1-3%；The thickener is common by sodium acrylate, sodium acryloyldimethyl taurate The smooth oleate of polymers, isohexadecane, Polyoxyethylene Sorbitan Monooleate, sorb, water mix in any proportion.

A kind of preparation method of foregoing O/W types suncream, including step：

S1, mix oil phase components, continues to be heated with stirring to after homogeneous and is completely dissolved；

S2, mix water phase component, is heated with stirring to after homogeneous and is completely dissolved；

S3, stir in homogeneous by the oil phase dissolved and be slowly mixed together in water phase component, after homogeneous stirring, adds three Monoethanolamine and thickener, continue to stir after homogeneous；

S4, stirring mixture, start to cool down, and prepare and complete after cooling.

Preferably, step S1, the temperature of agitating and heating is 80-85 DEG C in S2；Temperature 30-35 is cooled in step S4 ℃。

Preferably, homogenizing time is 2-5 minutes in step S1；Homogenizing time is 1-3 minutes in step S2.

Technical scheme discloses a kind of suncream addition being made of C20-22 alcohol phosphate and C20-22 alcohol Agent, both had light using the O/W types suncream of the additive and the preparation method of suncream, O/W types suncream of the invention Thin and soft use feeling has good durability again, avoid conventional O/W types suncream water proofing property it is poor, patch skin it is relatively low The shortcomings of.

Brief description of the drawings

Fig. 1 sunblock compositions water proofing property testing result schematic diagrames.

Embodiment

To make technical staff more fully understand the present invention, the embodiment of the present invention is clearly and detailedly illustrated below, It is but not as a limitation of the invention.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than entirely The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiments obtained, belong to the scope of protection of the invention.

Technical scheme discloses novel sunscreen frost additive, and the additive is by C20-22 alcohol phosphate and C20- 22 alcohol form, in C20-22 alcohol phosphate and C20-22 alcohol mixtures, the wherein weight of C20-22 alcohol phosphate and C20-22 alcohol Amount is than being 5~6：4~5.

A kind of O/W types suncream, including oil phase and water phase components are prepared for based on the above-mentioned additive present invention.Oil phase includes Account for the 0.1-5% of gross weight C20-22 alcohol phosphate and C20-22 alcohol mixtures, account for the emulsifying agent of gross weight 1-5%, account for it is total The cetostearyl alcohol of weight 0.1-5%, the ethylhexyl methoxy cinnamate for accounting for gross weight 0.1-10%, account for gross weight 0.1- 5% dimethyl silicone polymer, the Trivent OCG for accounting for gross weight 0.1-10% or Triglyceride DDD, account for gross weight 0.1- 10% ethylhexyl palmitate.Water phase components include water, preservative, EDTA-2 sodium, 1,3-BDO, xanthans, wherein respectively The weight ratio for accounting for composition of component is respectively preservative 0.1-2%, EDTA-2 sodium 0.01-0.5%, 1,3-BDO 0.1- 15%th, xanthans 0.01-1%, surplus are water.This O/W type suncreams further include triethanolamine and Simulgel EG thickeners, The weight ratio for accounting for composition of wherein each component is respectively triethanolamine 0.01-0.5%, thickener 0.1-3%；Thickener bag Include the smooth oleate of sodium acrylate, sodium acryloyldimethyl taurate copolymers, isohexadecane, Polyoxyethylene Sorbitan Monooleate, sorb, water.

Following table is implementation 1,2,3 of the invention and the material composition and weight percent of the sunblock compositions of comparative example 1-5 Than.

Table 1：

In order to which the embodiment to above-mentioned preparation and the performance of comparative example are evaluated, implement tests below.Wherein experimental example 3 For above-described embodiment 1, experimental example 1,2,4,5,6 is respectively above-mentioned comparative example 1,2,3,4,5.

1) measure of suncream spf value：

By in-vitro methods, it is measured using 290 Analyer detecting instruments of SPF, detection method is as follows：Operation 1. The sunblock compositions of experimental example 1 to 6 are smeared into uniform, smearing by 2mg/cm2 areas successively on 6 PMMA films (3M) Spontaneously dry after twenty minutes, its SPF is detected successively to 6 experimental examples.

The method for measuring sunblock compositions water proofing property is as follows：Operation 1 has been measured into SPF and has scribbled 6 experimental examples The film immersion of composition 20 minutes in water, then spontaneously dries 20 minutes, after being according to said method repeated 2 times, then 6 is tested Example detects its SPF successively.Shown in its testing result drawings described below 1：It is from attached drawing 1 as can be seen that real in numerous emulsifying agents Test in example, 1,2,3,5,6 waterproof effect of experimental example is highly desirable, and the waterproof effect of wherein experimental example 3 is superior, and experimental example 4 is prevented Water effect is weaker.Experimental example 3 is the embodiment of the present invention 1, therefore the O/W types suncream of the present invention has superior water proofing property.

2) suncream stability test：

The stability evaluation and test of composition：Suncream is put in temperature stability respectively：2 DEG C, 45 DEG C, 50 DEG C, medical perseverance In incubator and -15 DEG C and the medical storage bin of circulation (- 15 DEG C -50 DEG C), observing time node 1 day, 3 days, 1 week, 2 weeks, 3 weeks, Observe and record respectively within 4 weeks, 6 weeks, 8 weeks, it is recorded as shown in following table 3-1 to 3-6：

Table 3-1：

1 stability test of experimental example

1 day

3 days

1 week

2 weeks

3 weeks

4 weeks

6 weeks

8 weeks

50℃

ok

45℃

ok

Cycling(-15-45℃)

ok

2℃

ok

-15℃

ok

Room temperature (20 DEG C)

ok

Table 3-2：

2 stability test of experimental example

1 day

3 days

1 week

2 weeks

3 weeks

4 weeks

6 weeks

8 weeks

50℃

ok

45℃

ok

Cycling(-15-45℃)

ok

2℃

ok

-15℃

ok

Room temperature (20 DEG C)

ok

Table 3-3：

3 stability test of experimental example

1 day

3 days

1 week

2 weeks

3 weeks

4 weeks

6 weeks

8 weeks

50℃

ok

45℃

ok

Cycling(-15-45℃)

ok

2℃

ok

-15℃

ok

Room temperature (20 DEG C)

ok

Table 3-4：

Table 3-5：

5 stability test of experimental example

1 day

3 days

1 week

2 weeks

3 weeks

4 weeks

6 weeks

8 weeks

50℃

ok

45℃

ok

Cycling(-15-45℃)

ok

2℃

ok

-15℃

ok

Room temperature (20 DEG C)

ok

Table 3-6：

5 stability test of experimental example

1 day

3 days

1 week

2 weeks

3 weeks

4 weeks

6 weeks

8 weeks

50℃

ok

45℃

ok

Cycling(-15-45℃)

ok

2℃

ok

-15℃

ok

Room temperature (20 DEG C)

ok

Evaluation and test and experimental result can be seen that experimental example 1 to 6 and had good stability more than, i.e. O/W types of the invention Suncream is with good stability as comparative example.

3) measure of composition use feeling：

Not only to accomplish superior waterproof effect for oil-in-water (O/W) type suncream, also to select suitable raw material Component create consumer the bad use feeling of parent, therefore by real more than being smeared respectively after 20 random test person's clear water face cleanings Test the composition of a 1-6, (smearing method：After tester's clear water face cleaning, towel face, takes appropriate 2g or so uniformly to smear In face) its use feeling evaluation as shown in table 4 below：

Table 4：

Experimental example	Use feeling is fine	Use feeling is good	Use feeling is general	Use feeling is poor
					Experimental example 1	2	6	11	1
Experimental example 2	0	1	15	4
					Experimental example 3	8	8	4	0
Experimental example 4	1	2	16	2
					Experimental example 5	1	1	15	3
Experimental example 6	0	2	10	8

From table 4, it can be seen that experimental example 3, i.e. 1 use feeling of the embodiment of the present invention is best.

In conclusion the suncream waterproof of the O/W types disclosed by the invention containing C20-22 alcohol phosphate and C20-22 alcohol Excellent result, and use feeling is good.

The method that technical scheme further includes the suncream for preparing this O/W types, in one embodiment, it is made Standby step includes：

Whole oil phase components, be mixed in oil phase pot by S1, and homogeneous 2 minutes, continues to be heated with stirring to 85 DEG C, to completely molten Solution；

S2, add whole water phase components in emulsification pot, and homogeneous 3 minutes, is heated with stirring to 80 DEG C, to being completely dissolved；

S3, stir the oil phase dissolved in homogeneous and be slowly pumped into emulsification pot, and homogeneous is stirred after five minutes, by three second Hydramine and SimulgelEG add emulsification pot, and homogeneous after five minutes, continues to stir；

S4, by mixture continue to stir, and is cooled to 30 DEG C, prepares and completes.

In one embodiment, homogenizing time is 5 minutes in step S1, and heating-up temperature is 80 DEG C.

In one embodiment, homogenizing time is 1 minute in step S2, and heating-up temperature is 85 DEG C.

In one embodiment, it is 2 minutes between homogeneous to be added in step S3 after oil phase component, add triethanolamine and Homogenizing time is 10 minutes after SimulgelEG.

In one embodiment, 35 DEG C i.e. composition is cooled in step S4 and prepares completion.

The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every at this Under the inventive concept of invention, the technology made using present invention explanation and accompanying drawing content is extended or recreation is included in the present invention Scope of patent protection in.

Claims

1. a kind of sun-proof frost additive, it is characterised in that be made of C20-22 alcohol phosphate and C20-22 alcohol；Wherein C20-22 alcohol The weight ratio of phosphate and C20-22 alcohol is 5~6：4~5.

2. a kind of O/W types suncream, it is characterised in that including oil phase, water phase and water；The oil phase is included described in claim 1 The sun-proof frost additive being made of C20-22 alcohol phosphate and C20-22 alcohol；The sun-proof frost additive accounts for suncream gross weight 0.1-5%.

3. O/W types suncream according to claim 2, it is characterised in that the oil phase, which further includes, accounts for gross weight 0.1-5%'s Cetostearyl alcohol, the ethylhexyl methoxy cinnamate for accounting for weight 0.1-10%, the polydimethylsiloxanes for accounting for gross weight 0.1-5% Alkane, the ethylhexyl palmitate for accounting for gross weight 0.1-10%, account for gross weight 0.1-10% Triglyceride DDDs or sad glycerine three Ester；The water mutually includes accounting for the EDTA-2 sodium of gross weight 0.01-0.5%, the 1,3-BDO of gross weight 0.1-15% accounts for, it is total to account for The xanthans of weight 0.01-1%；Surplus is water.

4. O/W types suncream according to claim 3, it is characterised in that the oil phase further includes emulsifying agent；The emulsifying agent Account for the 0.1-2% of gross weight.

5. O/W types suncream according to claim 3, it is characterised in that the water mutually further includes preservative；The preservative Account for gross weight 0.1-2%.

6. O/W types suncream according to claim 3, it is characterised in that the O/W types suncream further include triethanolamine and Thickener, wherein triethanolamine account for gross weight 0.01-0.5%, thickener accounts for gross weight 0.1-3%；

The thickener is by sodium acrylate, sodium acryloyldimethyl taurate copolymers, isohexadecane, Polyoxyethylene Sorbitan Monooleate, mountain The smooth oleate of pears, water mix in any proportion.

7. a kind of preparation method of any O/W types suncreams of claim 2-6, it is characterised in that including step：

S3, stir in homogeneous by the oil phase dissolved and be slowly mixed together in water phase component, after homogeneous stirring, adds three ethanol Amine and thickener, continue to stir after homogeneous；

8. the preparation method of O/W types sunblock compositions according to claim 7, it is characterised in that step S1, stirred in S2 The temperature of heating is 80-85 DEG C；30-35 DEG C of temperature is cooled in step S4.

9. the preparation method of O/W types sunblock compositions according to claim 7, it is characterised in that in step S1 during homogeneous Between be 2-5 minutes；Homogenizing time is 1-3 minutes in step S2.