Summary of the invention
The purpose of this invention is to provide a kind of bath gel, contain N-amide sarcosinate in this bath gel, solved the bigger problem of traditional product zest and contained the thickening problem of N-amide sarcosinate bath gel system.
Shower cream composition of the present invention comprises α-Xi Jihuangsuanyan and/or coconut oil fat alcohol sodium isethionate that (A) accounts for composition weight 20.0% to 45.0%; (B) account for the N-sodium lauroyl sarcosine of composition weight 5.0% to 15.0%; (C) account for the lauramide hydroxyl sulphur betanin of composition weight 3.0% to 12.0%; (D) account for the PEG-120 methyl glucoside dioleic acid ester of composition weight 0.2% to 2.0%; (E) account for the PEG-7 glyceryl cocoate of composition weight 1.0% to 5.0%; (F) surplus is a water.
Shower cream composition of the present invention is characterized in that: described alkenyl sulphonate accounts for 19.5%~42.0% of composition weight, and coconut oil fat alcohol isethionic acid ester accounts for 0.5%~3.0% of composition weight.
Shower cream composition of the present invention is characterized in that: contain the fatty acid that accounts for its weight 2.0% to 15.0% in the described N-sodium lauroyl sarcosine.
Compared with prior art, shower cream composition of the present invention has low zest and good result of use, and successful solution contain the thickening problem of N-amide sarcosinate bath gel system.To be elaborated to component selection of the present invention and effect below.
Contain in the shower cream composition of the present invention and account for composition weight 20.0% to 45.0%, preferred 25.0% to 40.0% suitable be used on the skin the Sulfonates anion surfactant.Described Sulfonates anion surfactant is at least a in alkenyl sulphonate, N-acyl glutamic acid and salt thereof, sulfosuccinate, the isethionic acid ester.Described alkenyl sulphonate is a α-Xi Jihuangsuanyan, is the complex mixture of different chemical component, and main component is hydroxyalkylated sulfonic acid salt, alkenyl sulphonate and disulfonate; Described sulfosuccinate comprises lauryl 2-Sulfosuccinic acid ester ammonium salt, lauryl 2-Sulfosuccinic acid ester sodium salt, laureth sulfosuccinate disodium, PEG-2 oleoyl amido sulfosuccinate disodium, Cortex cocois radicis acyl group glycollic amide sulfosuccinate disodium, N-(1,2-two carboxyethyls) N-octadecyl sulfonation succinamic acid four sodium, the how pure sulfosuccinate disodium of dimethyl-silicon, Fructus Hordei Germinatus sulfosuccinate; Described isethionic acid ester is a neutral again product after the esterification of hydroxyethylsulfonic acid. and natural acid, mainly is the hydroxyethylsulfonic acid. ester sodium salt, preferred coconut oil fat alcohol sodium isethionate.
Contain in the shower cream composition of the present invention and account for composition weight 5.0% to 15.0%, preferred 6.0% to 12.0% suitable be used on the skin N-acylsarcosine salt analog anion surfactants.Described N-acylsarcosine salt is by a kind of multi-functional surfactant that makes after the sarcosine acidylate, and its structural formula is (I):
In the formula (I), R is lauryl, cocoyl etc., and M is Na, K, NH
4Deng; Preferred N-sodium lauroyl sarcosine contains 2% to 15% fatty acid in the special requirement N-sodium lauroyl sarcosine.
Other are applicable to that anion surfactant of the present invention also comprises: polyoxyethylene alkyl ether sulfate salt, N-acyl glutamic acid and salt and alkyl phosphate etc.Described polyoxyethylene alkyl ether sulfate salt structural formula is RO (CH
2CH
2O)
nSO
3M, wherein M=Na
+, NH
4 +, [H (C
2H
5OH)
3]
+, R=C
12~C
18Alkyl, n are 2~4, and preferred average ethoxyquin degree is n=3, M=Na
+, R=C
12, i.e. lauryl alcohol ether polyoxyethylene sodium sulfate; Described N-acyl glutamic acid and salt thereof comprise N-Cortex cocois radicis acyl sodium glutamate, N-sodium lauroyl glutamate, N-myristoyl sodium glutamate, N-mixing-in fat acyl sodium glutamate, N-Adeps Bovis seu Bubali fatty acyl sodium glutamate, N-Cortex cocois radicis acyl glutamic acid list triethanolamine salt; Described alkyl phosphate is fatty alcohol-polyoxyethylene ether phosphate monoester and dibasic acid esters and its esters etc.
In order to reach good cleaning effect, anionic surfactant system of the present invention is the compositions of alkenyl sulphonate, isethionic acid ester and N-acylsarcosine salt.
Contain in the shower cream composition of the present invention and account for composition weight 3.0% to 12.0%, preferred 5.0% to 10.0% the suitable amphoteric surfactant that is used on the skin.Described amphoteric surfactant is at least a in betanin and derivant and the both sexes sodium acetate.Described betanin derivative comprises coco dimethyl betanin, cocamido propyl betaine, dodecanamide propyl betanin, cocamidopropyl propyl amide hydroxyl sulphur betanin, lauramide hydroxyl sulphur betanin, preferred lauramide hydroxyl sulphur betanin; Described both sexes sodium acetate comprises cocoyl both sexes sodium acetate and lauryl both sexes sodium acetate.
Contain in the shower cream composition of the present invention and account for composition weight 0.2% to 2.0%, preferred 0.5% to 1.8% viscosity-controlling agent.Described viscosity-controlling agent is at least a in polyethylene glycol stearate diester, acrylate copolymer, glucoside derivative, cellulose derivative and the inorganic salt.Described polyethylene glycol stearate diester is the two stearates of polyethylene glycol 6000; Described acrylate copolymer comprises Carbopol series, C
10-30Alkyl acrylic interlinkage copolymer, C
10-30Alkyl acrylate interlinkage copolymer etc.; Described glucoside derivative is a PEG-120 methyl glucoside dioleic acid ester; Described cellulose derivative comprises hydroxy methocel, hydroxyethyl-cellulose etc.; Described inorganic salt is sodium chloride, ammonium chloride and sodium sulfate.The preferred PEG-120 methyl glucoside of viscosity-controlling agent dioleic acid ester in the shower cream composition of the present invention.
Contain in the shower cream composition of the present invention and account for composition weight 1.0% to 5.0%, preferred 1.5% to 4.5% emollient.Described emollient is a fatty acid ester, comprises PEG-7 glyceryl cocoate, sad capric acid triglyceride, cocoyl glyceride, isopropyl palmitate, isopropyl myristate, decyl oleate, isostearate, preferred PEG-7 glyceryl cocoate.
Shower cream composition of the present invention can also comprise other optional components, comprises chelating agen, pH regulator agent, antiseptic, pigment and spice etc.The non-limiting example of described chelating agen has: ethylenediaminetetraacetic acid, disodiumedetate, tetrasodium ethylenediamine tetraacetate, citric acid, phosphoric acid, ascorbic acid etc., preferred disodiumedetate; The non-limiting example of described pH regulator agent has: citric acid, phosphoric acid etc., optimization citric acid, the pH of regulation system are 5.0 to 8.0, and preferred 5.5 to 6.5; Choosing of described antiseptic, essence, pigment meets the regulation of hygienic standards for cosmetics, selects safe raw material for use.
In the shower cream composition of the present invention, except the above component, water is mended to aequum.
The specific embodiment
Be the non-limiting example of bath gel of the present invention below.Providing of these embodiment only is for illustrative purposes, can not be interpreted as limitation of the invention, because without departing from the spirit and scope of the present invention, can carry out many changes to the present invention.In these embodiments, unless stated otherwise, all concentration all is percentage by weight.Used term " small amount of matter " refers to those optional materials, as antiseptic, viscosity modifier, pH regulator agent, spice, pigment etc., the selection of these small amount of matter will change in order to the physics for preparing special component of the present invention and chemical characteristic along with selected.
Preparation embodiment I-X
Bath gel of the present invention can by any known or other effectively be applicable to the technology preparation that bath gel is provided, the method for preparing bath gel of the present invention comprises conventional preparation and hybrid technology.The suitable method for preparing bath gel described in embodiment I-X is as follows:
Suitable quantity of water is joined in the retort, be heated to 60 ℃ to 80 ℃, add polyoxyethylene lauryl ether ammonium sulfate, α-Xi Jihuangsuanyan, coconut oil fat alcohol sodium isethionate, lauramide hydroxyl sulphur betanin, PEG-7 glyceryl cocoate, disodiumedetate (if using these materials), make these materials disperse the back to add citric acid fully, stir; Treat to add when temperature is reduced to 40 ℃ of left and right sides antiseptic, pigment, essence etc. and continue to stir, guarantee to obtain uniform mixture.After adding all components, can add viscosity modifier and pH regulator agent as required, the viscosity and the pH that regulate product arrive suitable degree.Randomly can add low amounts of water at last supplies.
Embodiment I-V
Embodiment VI-X: