CN1732889A - Emulsion deodorant and its preparation process - Google Patents

Abstract

The invention discloses an emulsion deodorant and its preparation process, wherein the composition comprises nano zinc oxide as the main deodorizing active compounds, an oily phase portion including emulsifying agent and grease discontinuous phase, an aqueous phase portion including emollient, thickening agent, preservative agent, humectant and solvent deionized water, as well as a small amount of addition agents such as antibacterial agent and condiment.

Description

Emulsion deodorant and preparation method thereof

Invention field

The present invention relates to a kind of emulsion deodorant, be a kind of be the emulsion compositions of main deodorant activities material with nano zine oxide; Particularly relate to a kind of oil/water type deodorant compositions and its preparation method.Belong to beauty and skin care chemicals preparing technical field.

Background of invention

It has been generally acknowledged that the human body body odor partly is to be caused by microorganism and the sweat gland secretion thing interaction zest fatty acid compound that produces, except cleaning, a method controlling this stink is at body part coating deodorant compositions.

Deodorizer is to be used for covering foul smell or by reducing the preparation that local micro organism quantity prevents to produce foul smell.In deodorizer market, what be top dog is to be the product of basic comprising composition with aluminum salt or zirconates.These products are used for preventing or control skin surface and perspire that especially perspire in the armpit skin surface, also has the deodorizing effect that can perceive degree simultaneously.Deodorant compositions has the multiple product form, for example ball, ointment, sticker, aerosol and pump formula spray.Yet all these forms product has some common drawback, and that makes the people feel the skin discomfort exactly.More particularly, some volatile vehicle, for example volatile siloxane and alcoholic acid existence, the active component in the deodorizer and other compositions have ill effect to the skin of user, particularly stimulation.By reducing the active principle in the compositions, or reduce it and see through skin, can the abirritate effect, but can make the effect of deodorizer impaired.Therefore, the ill effect of some products has in the past often hindered the use of numerous consumers.

Emulsion deodorant is a kind of chemical combination preparation of using always that prevents or shelter the body odor that is produced with perspiring.It is a kind of emulsion form, that is to say the dispersion and emulsion liquid of a kind of oil/water (O/W) type.Emulsion deodorant is more better than the result of use of other types deodorizer on skin usually, and skin is more fine and smooth, almost stays without any residue after the coating.Deodorization material Zn, the Ca that general emulsion deodorant contains, Mg salt etc., zinc carbonate, zinc glycinate, ricinoleic acid zinc and some metal-oxides, deodorant activities material such as antibacterial, spice and other abnormal flavour are sheltered material.Usually the solvent that is combined into compositions with it includes monohydric alcohol or dihydroxylic alcohols, and trihydroxylic alcohol is as propylene glycol, glycerol, polypropylene glycol.But many such emulsion deodorants are not very soft concerning skin, and skin is also had certain zest.

Summary of the invention

What the purpose of this invention is to provide a kind of low stimulation has emulsion deodorant of deodorizing effect and preparation method thereof.

The present invention is a kind of emulsion deodorant, and its constituent and significant percentage content thereof are as follows:

A. constitute the oil phase part:

(a). a kind of in the stearic alcohol ether of emulsifier polyoxyethylene (2), the stearic alcohol ether of polyoxyethylene (21), PEG (20)-dehydration mountain alcohol mono laurate fat, Polyethylene Glycol-4-anhydrous sorbitol stearate, PEG (20)-anhydrous sorbitol stearate and PEG (the 20)-glyceryl stearate or two kinds; Its content is 1～5;

(b) a kind of in the stearic alcohol ether of oils and fats decentralized photo 2-Methylpentadecane, cyclomethicone and polypropylene glycol (15), white oil, fatty acid, vaseline, the Cera Flava or two kinds; Its content is 15～20%.

B. constitute aqueous portion

(a). emollient polyoxyethylene (30) anhydrous sorbitol ether, content 1～5%;

(b). thickening agent HANSHENGJIAO, content 0.1～0.5%;

(c). a kind of in antiseptic Methyl p-hydroxybenzoate, the propylparaben or two kinds; Content 0.1～1.0%;

(d). a kind of in wetting agent squalane, glycerol, the propylene glycol or two kinds, content 1～5%;

(e). solvent deionized water, an amount of, with the part by weight of above-mentioned emulsifying oil phase be: emulsifying oil phase: water=1: 5～1: 10.

C. deodorant activities material part:

Nano zine oxide glycerol dispersion liquid, content 6～8%.

D. additive part:

(a). antibacterial N-sodium lauroyl sarcosine adds 0.05～0.1%;

(b). spice myristic acid isopropyl ester adds 0.01～0.1%.

The preparation method of a kind of emulsion deodorant of the present invention is characterized in that having following preparation process and step:

A. at first by above-mentioned formulated nano zine oxide glycerol dispersion liquid, after nano zine oxide and glycerol are weighed with 1: 1～1: 1.5 ratio, be put in fully to be ground in the mortar and be uniformly dispersed;

B. select a kind of of mentioned emulsifier or two kinds, as stearic alcohol ether of polyoxyethylene (2) and the stearic alcohol ether of polyoxyethylene (21), by above-mentioned prescription, select above-mentioned decentralized photo greasy a kind of or two kinds again, as the stearic alcohol ether of 2-Methylpentadecane, cyclomethicone and polypropylene glycol (15), after weighing by above-mentioned prescription, be placed on altogether in 70～80 ℃ of water-baths and heat, after the dissolving, again the uniform nano zine oxide glycerol of above-mentioned grinding dispersion liquid is added wherein, fully disperse in high speed dispersor, dispersing speed is 1000～1500rpm, and jitter time is 5 minutes;

C. in addition HANSHENGJIAO is dispersed in the propylene glycol, adds polyoxyethylene (30) anhydrous sorbitol ether, Methyl p-hydroxybenzoate, propylparaben, squalane, add a certain amount of deionized water at last, in 70～80 ℃ of water-baths, heat then, and constant temperature 10 minutes;

D. under 70～80 ℃ of condition of water bath heating, above-mentioned oil phase is joined in the aqueous phase solution, disperse in high speed dispersor, rotating speed is 1000～1500rpm, disperse after 5 minutes, and reuse high-shear emulsion machine emulsifying 1 minute, the mulser rotating speed is 100rpm

E. bath temperature is reduced to 65 ℃, continue under constant temperature, to disperse, add antibacterial N-sodium lauroyl sarcosine in addition, redispersion 1 minute;

F. bath temperature is reduced to 35 ℃, continue under constant temperature, to disperse, add an amount of spice isopropyl myristate subsequently again, disperse to treat that it is cooled to room temperature after 1 minute, promptly get emulsion deodorant.

The inventive method is owing to adopted nano zine oxide as the deodorant activities material, and its mean diameter is 50-80nm, so the good result of removing is arranged.The prepared emulsion deodorant of the present invention is a kind of oil/water (O/W) type compositions, adopts nonionic emulsifier; Also suitably be added with antibacterial and spice in addition, cause emulsion deodorant to have more the sterilizing effect and have cosmetics fragrance fragrance.The emulsion deodorant that the inventive method makes has alleviated the stimulation to skin to a great extent, and does not have any residue and stay, and skin is had soft fine and smooth sensation.

The specific embodiment

After now embodiments of the invention being described in.

Embodiment 1

The prescription of the emulsion deodorant in the present embodiment is as follows: (weight %)

A. constitute the oil phase part:

Emulsifying agent: the stearic alcohol ether 3% of polyoxyethylene (2)

The stearic alcohol ether 2% of polyoxyethylene (21)

Decentralized photo: 2-Methylpentadecane 10%

The stearic alcohol ether 8% of cyclomethicone and polypropylene glycol (15)

B. constitute aqueous portion:

Emollient: polyoxy six rare (30) anhydrous sorbitol ether 4.0%

Thickening agent: HANSHENGJIAO 0.2%

Conserving agent: Methyl p-hydroxybenzoate 0.3%

Propylparaben 0.5%

Wetting agent: squalane 5.0%

Solvent deionized water: surplus, the part by weight of getting with above-mentioned emulsifying oil phase is: emulsifying oil phase: water=1: 5;

C. deodorant activities material part:

Nano zine oxide glycerol dispersion liquid 7.0%

D. additive part:

Antibacterial: N-lauroyl machine propylhomoserin sodium adds 0.05%

Spice: the Semen Myristicae isopropyl ester adds 0.05%

The preparation process of the emulsion deodorant of present embodiment is taken off described:

1. the preparation of nano glycerinum zinci oxidi people liquid that looses at first, mean diameter are after the zinc oxide of 50～80nm and glycerol are weighed with 1: 1 ratio, are put in fully to be ground in the mortar to be uniformly dispersed;

2. with stearic alcohol ether of emulsifier polyoxyethylene (2) and the stearic alcohol ether of polyoxyethylene (21), weigh by above-mentioned prescription, select above-mentioned decentralized photo oils and fats 2-Methylpentadecane, cyclomethicone and the stearic alcohol ether of polypropylene glycol (15) again, after weighing by above-mentioned prescription, be placed on altogether in 70～80 ℃ of water-baths and heat, after melting, to grind uniform nano zine oxide glycerol dispersion liquid again adds wherein, fully disperse in high speed dispersor, dispersing speed is 1200rpm, and jitter time is 5 minutes;

3. in addition HANSHENGJIAO is dispersed in the propylene glycol, adds polyoxyethylene (30) anhydrous sorbitol ether, Methyl p-hydroxybenzoate, propylparaben, squalane, add a certain amount of deionized water at last, heat in 80 ℃ of water-baths then, and be incubated 10 minutes;

4. under 80 ℃ of condition of water bath heating, above-mentioned oil phase is joined in the aqueous phase solution, disperse in high speed dispersor, rotating speed is 1200rpm, disperse after 5 minutes, and reuse high-shear emulsion machine emulsifying 1 minute, the mulser rotating speed is 100rpm;

5. bath temperature is reduced to 65 ℃, continue under constant temperature, to disperse, add antibacterial N-sodium lauroyl sarcosine in addition, redispersion 1 minute;

6. bath temperature is reduced to 35 ℃, continue under constant temperature, to disperse, add an amount of spice isopropyl myristate subsequently again, disperse to treat that it is cooled to room temperature after 1 minute, promptly get emulsion deodorant.

The prepared emulsion deodorant of present embodiment, its form is even, and color and luster is even, liquid crystalline phase occurs, and deodorizing effect is preferably arranged, and good to skin feel, and nonirritant is smeared the no any residue in back.Through high temperature and low-temperature stabilization property testing, all very stable, not stratified.

Embodiment 2

The preparation process of present embodiment and the foregoing description 1 are identical, and different is: 1. in constituting the B part of water, wetting agent adopts glycerol, to replace squalane; 2. in preparation process the 3rd went on foot, adopting the temperature of heating in water bath was 70 ℃.Finally make emulsion deodorant.

Prepared emulsion deodorant in the present embodiment, its rollability is poor slightly, and viscosity is bigger, but deodorizing effect is good at normal temperatures.Through high temperature and low-temperature stabilization property testing, its stability is good, and is not stratified.Good to skin feel, no specific stimulation.

Embodiment 3

Present embodiment is proposing having a competition steady as a comparative example.

The preparation process of present embodiment is identical with the foregoing description 1 basically.

Different is: 1. the emulsifying agent in the A part adopts the stearic alcohol ether of polyoxyethylene (2) a kind of, and consumption is 5%; 2. in the B part, wetting agent adopts glycerol, to replace squalane; 3. in the deodorant activities substance C part, nano zine oxide does not grind the formation dispersion liquid with glycerol, is scattered in the oil phase but nano zine oxide is directly added oil phase, adds aqueous phase emulsifying then.4. in preparation process the 3rd went on foot, adopting the temperature of heating in water bath was 70 ℃.

Prepared emulsion deodorant in the present embodiment comparative example, its form is not good enough, the visible fine particle shape of product surface material, the stable performance at normal temperatures of emulsion deodorant compositions, shown good deodorizing effect, but high temperature and low-temperature test are found its unstable properties, easily layering.To skin feel still can, no specific stimulation.

Claims (2)

1. emulsion deodorant, its constituent and weight percent content thereof are as follows:

A. constitute the oil phase part:

(a). a kind of in the stearic alcohol ether of emulsifier polyoxyethylene (2), the stearic alcohol ether of polyoxyethylene (21), PEG (20)-dehydration mountain alcohol mono laurate fat, Polyethylene Glycol-4-anhydrous sorbitol stearate, PEG (20)-anhydrous sorbitol stearate and PEG (the 20)-glyceryl stearate or two kinds; Its content is 1～5;

(b) a kind of in the stearic alcohol ether of oils and fats decentralized photo 2-Methylpentadecane, cyclomethicone and polypropylene glycol (15), white oil, fatty acid, vaseline, the Cera Flava or two kinds; Its content is 15～20%.

B. constitute aqueous portion

(a). emollient polyoxyethylene (30) anhydrous sorbitol ether, content 1～5%;

(b). thickening agent HANSHENGJIAO, content 0.1～0.5%;

(c). a kind of in antiseptic Methyl p-hydroxybenzoate, the propylparaben or two kinds; Content 0.1～1.0%;

(d). a kind of in wetting agent squalane, glycerol, the propylene glycol or two kinds, content 1～5%;

(e). solvent deionized water, the part by weight of content and above-mentioned emulsifying oil phase is: the emulsifying oil phase: water=1: 5～1: 10.

C. deodorant activities material part:

Nano zine oxide glycerol dispersion liquid, content 6～8%.

D. additive part:

(a). antibacterial N-sodium lauroyl sarcosine adds 0.05～0.1%;

(b). spice myristic acid isopropyl ester adds 0.01～0.1%.

2. the preparation method of a kind of emulsion deodorant as claimed in claim 1 is characterized in that having following preparation process and step:

A. at first by above-mentioned formulated nano zine oxide glycerol dispersion liquid, after nano zine oxide and glycerol are weighed with 1: 1～1: 1.5 ratio, be put in fully to be ground in the mortar and be uniformly dispersed.

B. select a kind of of mentioned emulsifier or two kinds, as stearic alcohol ether of polyoxyethylene (2) and the stearic alcohol ether of polyoxyethylene (21), by above-mentioned prescription, select above-mentioned decentralized photo greasy a kind of or two kinds again, as the stearic alcohol ether of 2-Methylpentadecane, cyclomethicone and polypropylene glycol (15), after weighing by above-mentioned prescription, be placed on altogether in 70～80 ℃ of water-baths and heat, after melting, again the uniform nano zine oxide glycerol of above-mentioned grinding dispersion liquid is added wherein, fully disperse in high speed dispersor, dispersing speed is 1000～1500rpm, and jitter time is 5 minutes;

C. in addition HANSHENGJIAO is dispersed in the propylene glycol, adds polyoxyethylene (30) anhydrous sorbitol ether, Methyl p-hydroxybenzoate, propylparaben, squalane, add a certain amount of deionized water at last, in 70～80 ℃ of water-baths, heat then, and be incubated 10 minutes;

D. under 70～80 ℃ of condition of water bath heating, above-mentioned oil phase is joined in the aqueous phase solution, disperse in high speed dispersor, rotating speed is 1000～1500rpm, disperse after 5 minutes, and reuse high-shear emulsion machine emulsifying 1 minute, the mulser rotating speed is 100rpm;

E. bath temperature is reduced to 65 ℃, continue under constant temperature, to disperse, add antibacterial N-sodium lauroyl sarcosine in addition, redispersion 1 minute;

F. bath temperature is reduced to 35 ℃, continue under constant temperature, to disperse, add an amount of spice isopropyl myristate subsequently again, disperse to treat that it is cooled to room temperature after 1 minute, promptly get emulsion deodorant.