CN104726228A - Multifunctional soap produced from sodium polyhydroxy stearate - Google Patents

Multifunctional soap produced from sodium polyhydroxy stearate Download PDF

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CN104726228A
CN104726228A CN201310693413.8A CN201310693413A CN104726228A CN 104726228 A CN104726228 A CN 104726228A CN 201310693413 A CN201310693413 A CN 201310693413A CN 104726228 A CN104726228 A CN 104726228A
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soap
sodium
multifunctional
hard water
acid
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方云
夏咏梅
赵晓
胡学一
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Jiangnan University
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Jiangnan University
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Abstract

The invention relates to a multifunctional soap formula, in particular to a method, formula and performance of a multifunctional soap produced from sodium polyhydroxy stearate. Sodium polyhydroxy stearate refers to sodium dyhydroxy stearate (SDHS) derived from oleic acid, sodium tetrahydroxy stearate (STHS) derived from linoleic acid, sodium hexahydroxy stearate (SHHS) derived from linolenic acid and its mixture, and has the advantages of good solubility, low temperature solution and strong calcium soap resistance in neutral pH conditions. Compound of sodium polyhydroxy stearate and other sodium aliphatate can obtain a soap base formula for with functions of a plurality of products including neutral soap, hard water resistant soap and cold water soap, and a plurality of soap products such as liquid soap, soft soap, soap powder and block soap can be produced according to the needs of the market. The invention on the one hand can solve the problem of oxidative rancidity caused by unsaturated fatty acid raw material in soap products, and on the other hand make the scope of application of the soap formula expand to neutral, hard and low-temperature water environment, which is not applicable to common fatty acid sodium soap.

Description

Multi-hydroxy stearic acid sodium manufactures multifunctional soap
[technical field]
The present invention relates to a kind of method manufacturing multifunctional soap, particularly relate to a kind of with the purposes, method and products thereof of multi-hydroxy stearic acid sodium for main raw material manufacture multifunctional soap, belong to daily-use chemical industry and household chemical product field.
[background technology]
Natural fats and oils hydrolysis can obtain multiple saturated fatty acid and unsaturated fatty acids, one of its conventional use mainly manufactures various industrial, family expenses or use in personal care liquid soap, soft soap, soap powder or cake soap, the advantage such as have that cost is low, nontoxic, pungency is low, biological degradability is good, the fine and smooth abundant and cleaning force of foam is strong.But there is not resistance to hard water and two large common defects can not be used under neutral (or acid) condition in natural acid soda soap; In addition, it is poor also to there is dissolution in low temperature in saturated fatty acid soda soap, and unsaturated fatty acids soda soap then exists the oxidizable problem such as to become sour.The above-mentioned self-defect of natural acid soda soap causes its application in the multiple environment such as hard water, neutrality and low temperature to be restricted, therefore the at present application of natural acid soda soap in above-mentioned environment generally adopts following measures to solve: on (1) market, hard water resisting soap is mainly through adding sequestrant as EDETATE SODIUM or a large amount of interpolation water softener water glass or tripoly phosphate sodium STPP, or composite with the synthetic surfactant of resistance to hard water, as with AES, sultaine, MES, AEO 9deng as lime soap dispersing agent, although good anti-hard water and anticalcium soap sedimentation effect can be produced like this, but these lime soap dispersing agent easily destroy the crystal formation of fatty acid sodium soap completely, thus cause insufficient formability, be not durable, or make soap series products lose original natural characteristic and closer to synthetic detergent, thus market acceptance is general not high.(2) on market, neutral soap obtains mainly through adding synthetic surfactant in a large number or cross fat agent in natural acid soda soap; although these tensio-active agents such as Igepon A, AOS, glyceryl ether sodium sulfonate etc. can reduce the pH scope of application of common fats acid soda soap; increase skin comfort degree, but also can destroy crystal formation and original use sensation of fatty acid sodium soap.(3) the unsaturated fatty acids sodium that on market, cold water soap mainly adopts Kraft point lower or potash soap preparation, but because formability is poor, its product form is liquid soap or soft soap form mainly, cannot make cake soap, and the easy oxidative rancidity of unsaturated fatty acids soap produces peculiar smell.
Utilize the unsaturated fatty acids of rich content in natural fats and oils, if oleic acid, linolic acid, linolenic acid and composition thereof are raw material, by oxidation hydration, double bond is wherein converted into ortho position dihydroxyl, multi-hydroxy stearic acid or its soda soap can be obtained in a large number, as dihydroxystearic acid sodium (SDHS), tetrahydroxy-stearic acid sodium (STHS), hexahydroxystearic acid sodium (SHHS) and composition thereof.The present invention finds that these polyhydrony fatty acid sodium tools have the following advantages: (1) multi-hydroxy stearic acid soda soap, especially STHS and SHHS has extremely low Kraft point (KP is less than 0 DEG C), and the Kraft point of stearic acid soda soap is far above room temperature, at room temperature can not dissolve completely.(2) multi-hydroxy stearic acid soda soap self has good anticalcium soap Forming ability, as STHS and SHHS just can at 1300mg CaCl without the need to adding lime soap dispersing agent 2dissolve in the hard water of/L and do not form calcium soap precipitates; Even if by STHS or SHHS and sodium oleate balanced mix, also obvious calcium soap precipitates can not be produced under above-mentioned hard water conditions; SHHS itself has outstanding Calcium ion stability especially, is 4000mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L yet; And other natural acid soda soap all forms calcium soap precipitates in the hard water of any hardness.(3) multi-hydroxy stearic acid soda soap shows medium foaminess and foam stability in neutral conditions, and other natural acid soda soap has become oily matter or suspended substance with this understanding completely, thus do not have any foaminess, therefore multi-hydroxy stearic acid soda soap can also be used as the agent of soap class A foam A in neutral environment.(4) advantages such as the steady chemical structure of multi-hydroxy stearic acid soda soap, has abundant raw material source, cheap.Therefore, the above-mentioned performance of multi-hydroxy stearic acid soda soap is the good characteristic that natural saturated fatty acid soda soap or natural unsaturated fatty acids soda soap are not available or can not have both simultaneously.
[summary of the invention]
[technical problem that will solve]
An object of the present invention is to provide the method manufacturing multifunctional soap with multi-hydroxy stearic acid soda soap as Novel soap based surfactants, namely with the multifunctional soap formula that multi-hydroxy stearic acid soda soap is main component, multi-hydroxy stearic acid soda soap mainly refer to following three kinds from ortho position dihydroxy compound that natural oleic acid, linoleic acid plus linolenic acid obtain and composition thereof:
Dihydroxystearic acid sodium (SDHS):
Tetrahydroxy-stearic acid sodium (STHS):
Hexahydroxystearic acid sodium (SHHS):
Another object of the present invention is to provide the purposes manufacturing multifunctional soap with multi-hydroxy stearic acid soda soap as raw material, the advantages such as is give full play to its steady chemical structure, abundant raw material source, cheap; Two is solve the incidental oxidative rancidity problem of natural unsaturated fatty acids soda soap; Three is overcome the limitation that natural saturated fatty acid soda soap and natural unsaturated fatty acids soda soap can not use in neutral, hard or water at low temperature environment.
It is that raw material manufactures the multifunctional soap products such as novel hard water resisting soap, neutral soap and cold water soap that another object of the present invention is to provide with multi-hydroxy stearic acid soda soap, overcome hard water resisting soap in the market, neutral soap and cold water soap many employings auxiliary agent or the composite defect of synthetic surfactant, for market provides full soap base Multifunction soap product, and provide the multiple product forms such as liquid soap, soft soap, soap powder or cake soap.
[technical scheme]
The present invention is achieved through the following technical solutions: multi-hydroxy stearic acid soda soap is independent or composite with other fatty acid sodium soap, for the manufacture of the multifunctional soap formula that multi-hydroxy stearic acid sodium is main composition, in formula, SDHS content can be 0 ~ 30%, STHS content can be 0 ~ 100%, SHHS content can be 0 ~ 100%, and other sodium soap content can be 0 ~ 50%.
In formula, multi-hydroxy stearic acid soda soap can be the single variety of SDHS, STHS or SHHS, also can be the mixture of three, preferably from industrial oleic acid or industrial linolic acid or industrial linolenic acid, or the grease mixed fatty acid being rich in linolic acid or linolenic acid composition is the mixing multi-hydroxy stearic acid soda soap of raw material production; And the total content of STHS and SHHS is not less than 50% in generally speaking filling a prescription.
In multifunctional soap formula, can be carbonatoms be 8 ~ 22, straight or branched, saturated or undersaturated natural fats and oils lipid acid or its mixture for the lipid acid composition of other sodium soap, preferably be hydrolyzed the mixed fatty acid obtained from natural fats and oils, namely can adopt the soda soap of the natural acids such as stearic acid, palmitinic acid, tetradecanoic acid, lauric acid, oleic acid, linolic acid, linolenic acid and composition thereof.
In addition according to multifunctional soap formula needs, be liquid or powder or cake soap and add other auxiliary agent to be the general knowledge that art technology experimenter has depending on form of formulations, as added sanitas, complexing agent, rheology control agent, deionized water etc. when manufacturing liquid soap; Inorganic shaping assistant etc. is added when soap powder spray shaping; Titanium dioxide, complexing agent etc. is added when manufacturing cake soap, and essence, colorant etc. that all formulas all may contain.
[beneficial effect]
The multifunctional soap adopting the present invention to produce has the following advantages:
(1) Novel soap based formulas all adopts natural acid soda soap or is oxidized the derivative polyhydrony fatty acid soda soap of hydration, not containing synthetic surfactant by it; Abundant raw material source, cheap, green safety, be beneficial to suitability for industrialized production.
(2) Multifunction soap had both kept the foam of fatty acid sodium soap fine and smooth, and detersive power is good, and pungency is low, skin comfort degree advantages of higher, increases the excellent in performance such as excellent low temperature, neutrality and hard water solvability newly again; And neutral soap, cold water soap or hard water resisting soap can be manufactured respectively depending on the different market requirement, or have the multifunctional soap of above-mentioned functions concurrently.
(3) utilize the existing better crystallinity of multi-hydroxy stearic acid soda soap to have again better water miscible feature, the variant production forms such as liquid soap, soft soap, soap powder or cake soap can be manufactured respectively depending on different market requirement adjustment formula composition, interpolation auxiliary agent.
[embodiment]
Below in conjunction with specific embodiment, the present invention is further illustrated, but limited the present invention never in any form, and any conversion done based on training centre of the present invention or replacement, all belong to protection scope of the present invention.
Embodiment 1:
STHS is adopted to be that sodium soap manufactures multifunctional soap completely, the STHS of 10kg is mixed into 1.0%EDTA tetra-sodium, 5% sodium silicate and appropriate amount of essence to mill and be pressed into transparent soap soap base, obtain transparent cake soap after press strip stripping and slicing, crystal formation is complete, entire body is transparent, has good cake soap formability; Without obvious mashed phenomenon after immersion.Performance test results shows that this formula has outstanding low temperature, neutrality and hard water solvability: (1), under the normally used pH condition of common fats acid soda soap (pH10), the KP of STHS is less than 0 DEG C, the dissolution in low temperature that performance is excellent; (2) under the usual non-serviceable neutrallty condition of common fats acid soda soap (pH7), STHS continues to keep good dissolution in low temperature, just can be completely water-soluble at about 40 DEG C; (3) Calcium ion stability of common fats acid soda soap is almost nil, and the Calcium ion stability of STHS reaches 1215mg CaCO 3/ L, namely can not form calcium soap precipitates without the need to adding lime soap dispersing agent to help just can be dissolved in the hard water of certain degree of hardness.Therefore in STHS, a small amount of shaping assistant and complexing agent is added, just can manufacture cake soap or soap powder such as obtaining cold water soap, neutral soap or hard water resisting soap respectively, or be dissolved in the water the full-service fluid soap or soft soap that also can manufacture and integrate outstanding low temperature, neutrality and hard water solvability.
Embodiment 2:
Complete is that sodium soap manufactures multifunctional soap with SHHS, the SHHS of 1000g is under agitation dissolved in 1000g deionized water, add sanitas 0.5%, EDTA tetra-sodium 0.5%, appropriate amount of essence and colorant, without the need to adding solubilizing agent or rheology control agent as manufacturing the liquid soap of common fats acid soda soap, concentrated liquid soap or the soft soap of 50% mass concentration just can be obtained; Not stratified under normal temperature, without precipitate; Performance test results shows that this formula has outstanding low temperature, neutrality and hard water solvability: when (1) this formula is used as the use of cryogenic liquid soap, not stratified in the temperature range of-10 DEG C to 40 DEG C, without precipitate; Even if use under pH7.0, this formula also can be completely water-soluble below 0 DEG C, and in cold water, dissolving is concurrent rapidly flings to the washing composition effects such as dirt, dispersion, foaming.(2), when this formula is used as the use of neutral liquid soap, the pH value of formula is also not stratified in 7.0 ± 1.0 scopes, without precipitate.(3) because the pH value of this formula is close with the pH of human epidermal, thus the sour soda soap of common fats unlike alkalescence uses the uncomfortable phenomenons such as the rear xerosis cutis usually produced is tight, frictional force increase, is specially adapted to baby's fabric detergent, be grown up cleansing milk, shaving of man cream and Ms remove ornaments and formal dress the purposes such as breast.(4) ability of the resistance to hard water of SHHS has reached the level of anti-hard water tensio-active agent, is 4000mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L yet, therefore when this formula is used as the use of anti-hard water liquid soap, assist without the need to adding lime soap dispersing agent, just can be dissolved in and use in the tap water in any area of China and calcium soap precipitates can not be formed, also show common fats acid soda soap series products simultaneously and only have nearly all good characteristic that could show in the basic conditions.
Embodiment 3:
Manufacture the liquid soap of 30% mass concentration with the STHS of 50% and the SHHS of 50%, this formula is as clear as crystal more than 0 DEG C; Under the normally used pH condition of common fats acid soda soap (pH10), this liquid soap is 2650mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L yet, show that this formula has outstanding low temperature and hard water solvability.
Embodiment 4:
The sodium oleate of the STHS with 70% and 30% manufactures liquid soap, and the liquid soap of 25% mass concentration of preparation is as clear as crystal more than 0 DEG C.Under the normally used pH condition of common fats acid soda soap (pH10), this liquid soap is 650mg CaCO at calcium ion equivalent after measured 3also not muddy in the hard water of/L, therefore this formula has good low temperature and hard water solvability, can use as cold water soap and hard water resisting soap.
Embodiment 5:
The sodium oleate of the SHHS with 60% and 40% manufactures multifunctional soap, and under the normally used pH condition of common fats acid soda soap (pH10), after measured, this multifunctional soap is 680mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L yet; Under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 25% mass concentration be mixed with is as clear as crystal more than 0 DEG C, can use as cold water soap.
Embodiment 6:
With the STHS of 25%, the SHHS of 25%, manufactures multifunctional soap with the sodium oleate of 50%, and under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 450mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than 0 DEG C, can use as cold water soap.
Embodiment 7:
To contain oleic acid 25%, linolic acid 60%, linolenic acid 10%, the industrial linolic acid of other saturated fatty acid 5% is raw material, by hydrogen peroxide oxidation preparation mixing multi-hydroxy stearic acid sodium, and wherein SDHS25%, STHS60%, SHHS10%, other fatty acid sodium soap 5%; Be mixed with the liquid multifunctional soap of 20% mass content again.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 635mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than 0 DEG C.Under pH7 condition, after measured, this multifunctional soap is 319mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, as clear as crystal under the liquid soap room temperature condition of 20% mass concentration be mixed with, can use as cold water soap and hard water resisting soap.
Embodiment 8:
The mass ratio pressing 70:30 with the mixing multi-hydroxy stearic acid sodium in embodiment 7 and sodium stearate manufactures the cake soap of pH10, and after measured, this cake soap crystal formation is complete, has good formability; Without obvious mashed phenomenon after immersion; Under 40 DEG C of conditions, this cake soap is 350mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water, can hard water resisting soap and shore bathing be used as.
Embodiment 9:
The mass ratio pressing 70:30 with the mixing multi-hydroxy stearic acid sodium in embodiment 7 and sodium oleate manufactures liquid multifunctional soap, and after measured, this multifunctional soap is 490mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water.Under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than 0 DEG C, can use as cold water soap and hard water resisting soap.
Embodiment 10:
The mass ratio pressing 70:30 with the soda soap of the mixing multi-hydroxy stearic acid sodium in embodiment 7 and the acid of Oleum Cocois hydrolysed fat manufactures soft soap, and after measured, under 40 DEG C of conditions, this soft soap is 390mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water, can use as hard water resisting soap.In neutral conditions, this soft soap uses the uncomfortable phenomenons such as the rear xerosis cutis usually produced is tight, frictional force increase unlike the common fats acid soda soap of alkalescence, can neutral soap be used as, such as, be used as baby's fabric detergent, be grown up cleansing milk, shaving of man cream and Ms remove ornaments and formal dress the purposes such as breast.
Embodiment 11:
The mass ratio pressing 70:30 with the soda soap of the mixing multi-hydroxy stearic acid sodium in embodiment 7 and Hydrolysis of Palm Oil lipid acid manufactures Cake-shape soap, and after measured, under 40 DEG C of conditions, this cake soap is 365mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, having good resistance to hard water can use as hard water resisting soap.
Embodiment 12:
The mass ratio pressing 70:30 with the soda soap of the mixing multi-hydroxy stearic acid sodium in embodiment 7 and the acid of Tallow Inedible Grade hydrolysed fat manufactures cake soap, and after measured, under 40 DEG C of conditions, this cake soap is 320mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water, can use as hard water resisting soap.In neutral conditions, this fast soap uses the uncomfortable phenomenons such as the rear xerosis cutis usually produced is tight, frictional force increase unlike the common fats acid soda soap of alkalescence, can be used as neutral skin-protection soap and use.
Embodiment 13:
Manufacture block multifunctional soap with the soda soap of the mixing multi-hydroxy stearic acid sodium in embodiment 7 and the acid of Jojoba oil hydrolysed fat, after measured, at ambient temperature, this cake soap is 290mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water.In neutral conditions, this cake soap uses the uncomfortable phenomenons such as the rear xerosis cutis usually produced is tight, frictional force increase unlike the common fats acid soda soap of alkalescence, can neutral soap be used as, such as, be used as baby's fabric detergent, be grown up facial soap with soap dish, shaving of man cream and Ms remove ornaments and formal dress the purposes such as soap.
Embodiment 14:
Take soybean oil as raw material, obtain mixed fatty acid through hydrolysis, then obtain mixing multi-hydroxy stearic acid soda soap through oxidation neutralization.Wherein mixing multi-hydroxy stearic acid soda soap component is Sodium pentadecanecarboxylate 11.1%, sodium stearate 4.8%, eicosanoic acid sodium 1%, SDHS29.4%, STHS48.6%, SHHS5.1%.Be mixed with liquid multifunctional soap again.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 250mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than 0 DEG C, can be used as neutral soap, cold water soap or hard water resisting soap.This fatty acid sodium soap raw material is taken from soybean oil, cheap.
Embodiment 15:
Take safflower oil as raw material, obtain mixed fatty acid through hydrolysis, then obtain mixing multi-hydroxy stearic acid soda soap through oxidation neutralization.Wherein mixing multi-hydroxy stearic acid soda soap component is Sodium pentadecanecarboxylate 6%, sodium stearate 3%, SDHS17.1%, STHS73.9%.Be mixed with liquid multifunctional soap again.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 1000mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than room temperature, can be used as the relevant soap base product to baby and women's gentleness.
Embodiment 16:
Take perilla oil as raw material, obtain mixed fatty acid through hydrolysis, then obtain mixing multi-hydroxy stearic acid soda soap through oxidation neutralization.Wherein mixing multi-hydroxy stearic acid soda soap component is Sodium pentadecanecarboxylate 5.7%, sodium stearate 2.6%, SDHS23.8%, STHS10.7%, SHHS57.2%.Be mixed with liquid multifunctional soap again.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 2000mgCaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has outstanding low temperature and hard water solvability, the liquid soap of 25% mass concentration be mixed with is as clear as crystal more than 0 DEG C, can be used as the relevant high-grade soap base product to baby and women's gentleness, also can be used for man's skin-protection soap.
Embodiment 17:
Take rapeseed oil as raw material, obtain mixed fatty acid through hydrolysis, then obtain mixing multi-hydroxy stearic acid soda soap through oxidation neutralization.Wherein mixing multi-hydroxy stearic acid soda soap component is dihydroxyl eicosanoic acid sodium 0.6%, SDHS15.4%, STHS23.2%, SHHS8.6%, dihydroxyl erucic acid sodium 52.2%.Be mixed with liquid multifunctional soap again.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 265mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than room temperature, is the cheap beautiful soap base washing composition of a kind of thing.
Embodiment 18:
The mass ratio pressing 70:30 with the mixing multi-hydroxy stearic acid soda soap in embodiment 7 and the mixing multi-hydroxy stearic acid soda soap in embodiment 14 manufactures liquid multifunctional soap.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 370mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 30% mass concentration be mixed with is as clear as crystal more than room temperature, is applicable to low temperature, hard water or neutral application scenario., this formula is the cheap beautiful soap base washing composition of a kind of thing
Embodiment 19:
The mass ratio pressing 70:30 with the mixing multi-hydroxy stearic acid soda soap in embodiment 7 and the mixing multi-hydroxy stearic acid soda soap in embodiment 15 manufactures liquid multifunctional soap.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 345mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the cake soap manufactured has good formability and anti-mashed property, uses rear skinfeel comfortable; The liquid soap of 30% mass concentration be mixed with is as clear as crystal more than 0 DEG C.
Embodiment 20:
The mass ratio pressing 70:30 with the mixing multi-hydroxy stearic acid soda soap in embodiment 7 and the mixing multi-hydroxy stearic acid soda soap in embodiment 16 manufactures liquid multifunctional soap.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 670mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 30% mass concentration be mixed with is as clear as crystal more than 0 DEG C.In neutral conditions, this cake soap uses the uncomfortable phenomenons such as the rear xerosis cutis usually produced is tight, frictional force increase unlike the common fats acid soda soap of alkalescence, can neutral soap be used as, such as, be used as baby's fabric detergent, be grown up facial soap with soap dish, shaving of man cream and Ms remove ornaments and formal dress the purposes such as soap.
Embodiment 21:
With in embodiment 7 70% mixing multi-hydroxy stearic acid soda soap and embodiment 17 in 30% mixing multi-hydroxy stearic acid soda soap manufacture liquid multifunctional soap.Under the normally used pH condition of soda soap (pH10), after measured, this multifunctional soap is 380mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, under the normally used pH condition of soda soap (pH10), this formula has good low temperature and hard water solvability, and the liquid soap of 20% mass concentration be mixed with is as clear as crystal more than room temperature.
Embodiment 22:
Adopt STHS to be that sodium soap manufactures multi-functional soap powder completely, be mixed into 1.0%EDTA tetra-sodium, 2% sodium silicate and 10% sodium sulfate in STHS, the liquid of obtained 50% mass content soluble in water, obtains the soap powder of STHS, good fluidity after spray-dried.Performance test results shows that this STHS soap powder has outstanding low temperature, neutrality and hard water solvability: (1) is under the normally used pH condition of common fats acid soda soap (pH10), the KP of this STHS soap powder is less than 0 DEG C, the dissolution in low temperature that performance is excellent; (2) under the usual non-serviceable neutrallty condition of common fats acid soda soap (pH7), this STHS soap powder continues to keep good dissolution in low temperature, just can be completely water-soluble at about 40 DEG C; (3) Calcium ion stability of common fats acid soda soap is almost nil, and the Calcium ion stability of this STHS soap powder reaches 1215mg CaCO 3/ L, namely can not form calcium soap precipitates without the need to adding lime soap dispersing agent to help just can be dissolved in the hard water of certain degree of hardness.Therefore in STHS, add a small amount of shaping assistant and complexing agent, just can manufacture soap powder, and there is the excellent in performance used in cold water, neutrality or hard water.
Embodiment 23:
The feed liquid of 50% mass content is re-dubbed by the mass ratio of 70:30 with the mixing multi-hydroxy stearic acid sodium in embodiment 7 and sodium stearate, add 1.0%EDTA tetra-sodium, 5% sodium silicate and 10% sodium sulfate in addition, the soap powder of STHS is obtained, good fluidity after spray-dried.Under 40 DEG C of conditions, this soap powder is 350mg CaCO at calcium ion equivalent 3not muddy in the hard water of/L, there is good resistance to hard water, can hard water resisting soap powder be used as.

Claims (7)

1. manufacture the method for multifunctional soap with multi-hydroxy stearic acid sodium for main raw material, it is characterized in that, in multifunctional soap, the major ingredient of fatty acid sodium soap and quality group thereof become:
2. multi-hydroxy stearic acid sodium according to claim 1, is characterized in that, wherein said dihydroxystearic acid sodium (SDHS) has following molecular formula:
Wherein said tetrahydroxy-stearic acid sodium (STHS) has following molecular formula:
Wherein said hexahydroxystearic acid sodium (SHHS) has following molecular formula:
3. multifunctional soap according to claim 1, is characterized in that, wherein the total content of STHS and SHHS is not less than 50%.
4. multifunctional soap according to claim 1, is characterized in that, to be carbonatoms be the lipid acid of other wherein said sodium soap composition 8 ~ 22, straight or branched, saturated or undersaturated lipid acid or its mixture.
5. according to claim 1 and multifunctional soap according to claim 4, it is characterized in that, the lipid acid composition of other wherein said sodium soap is that natural fats and oils is hydrolyzed the mixed fatty acid obtained.
6. according to the multifunctional soap product of the arbitrary described manufacture of claim 1 to 5.
7. arbitrary described with the purposes of multi-hydroxy stearic acid sodium for raw material manufacture multifunctional soap according to claim 1 to 5.
CN201310693413.8A 2013-12-18 2013-12-18 Multifunctional soap produced from sodium polyhydroxy stearate Pending CN104726228A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106883952A (en) * 2015-12-16 2017-06-23 江南大学 A kind of neutral liquid soap containing polyhydrony fatty acid soap
CN109097215A (en) * 2018-08-16 2018-12-28 纳爱斯浙江科技有限公司 A kind of environment-friendly type Laundry soap powder composition and preparation method thereof
CN113582838A (en) * 2021-07-05 2021-11-02 武汉工程大学 Tetrahydroxy sodium stearate and preparation method and application thereof
CN113599305A (en) * 2021-07-26 2021-11-05 湖南中医药大学 Walnut oil soap-based silicone oil-free shampoo and preparation method thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106883952A (en) * 2015-12-16 2017-06-23 江南大学 A kind of neutral liquid soap containing polyhydrony fatty acid soap
CN109097215A (en) * 2018-08-16 2018-12-28 纳爱斯浙江科技有限公司 A kind of environment-friendly type Laundry soap powder composition and preparation method thereof
CN113582838A (en) * 2021-07-05 2021-11-02 武汉工程大学 Tetrahydroxy sodium stearate and preparation method and application thereof
CN113599305A (en) * 2021-07-26 2021-11-05 湖南中医药大学 Walnut oil soap-based silicone oil-free shampoo and preparation method thereof
CN113599305B (en) * 2021-07-26 2023-11-28 湖南中医药大学 Walnut oil soap base silicone oil-free shampoo and preparation method thereof

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