CN106045946A - Preparation method of sorbitan tristearate - Google Patents
Preparation method of sorbitan tristearate Download PDFInfo
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- CN106045946A CN106045946A CN201610480660.3A CN201610480660A CN106045946A CN 106045946 A CN106045946 A CN 106045946A CN 201610480660 A CN201610480660 A CN 201610480660A CN 106045946 A CN106045946 A CN 106045946A
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- arlacel
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- acid
- sorbitol
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- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- IJCWFDPJFXGQBN-RYNSOKOISA-N [(2R)-2-[(2R,3R,4S)-4-hydroxy-3-octadecanoyloxyoxolan-2-yl]-2-octadecanoyloxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCCCCCCCCCCCC IJCWFDPJFXGQBN-RYNSOKOISA-N 0.000 title abstract 7
- 239000001589 sorbitan tristearate Substances 0.000 title abstract 7
- 229960004129 sorbitan tristearate Drugs 0.000 title abstract 7
- 235000011078 sorbitan tristearate Nutrition 0.000 title abstract 7
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims abstract description 49
- 239000000600 sorbitol Substances 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 239000002253 acid Substances 0.000 claims abstract description 41
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 32
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000008117 stearic acid Substances 0.000 claims abstract description 32
- 230000002378 acidificating effect Effects 0.000 claims abstract description 31
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims description 19
- 238000010792 warming Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 241000220324 Pyrus Species 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 235000021017 pears Nutrition 0.000 claims description 4
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 claims description 4
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 238000007127 saponification reaction Methods 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract 1
- -1 weave Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000344 soap Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000006266 etherification reaction Methods 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SAJGCUXAHBJVRH-VFQQELCFSA-N (2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol;hydrate Chemical compound O.OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO SAJGCUXAHBJVRH-VFQQELCFSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/20—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention discloses a preparation method of sorbitan tristearate. The sorbitan tristearate comprises sorbitol, stearic acid and an acidic catalyst. The preparation method comprises the following steps: (1) putting the sorbitol, stearic acid and acidic catalyst in a reaction kettle, heating to 180-230 DEG C, and reacting for 4-8h to obtain a mixture A; (2) measuring the acid value of the mixture A, when the acid value of the mixture A is not greater than 10mgKOH/g, cooling to obtain the sorbitan tristearate, and when the acid value of the mixture A is greater than 10mgKOH/g, executing the step (3); and (3) putting the mixture A in the reaction kettle for reacting for 0.25-1h, and then executing the step (2). The preparation method of the sorbitan tristearate, provided by the invention, realizes one-step preparation of the sorbitan tristearate without colloid generation, thereby improving the quality of the sorbitan tristearate.
Description
Technical field
The disclosure relates generally to nonionic surfactant technical field, is specifically related to emulsifying agent, particularly relates to dehydration
The preparation method of sorbitol tristearate.
Background technology
Surfactant is a kind of organic compound with special construction and character, and it is alternate that they can change two significantly
Interfacial tension or the surface tension of liquid (generally water), there is the performances such as moistening foaming emulsifying washing.Surfactant
Due to have moistening or anti-stick, emulsifying or breakdown of emulsion, foaming or froth breaking and solubilising, disperse, wash, anticorrosion, antistatic etc. are
Row physics chemical action and corresponding actual application, become class fine chemical product versatile and flexible, broad-spectrum.Live in surface
Property agent is except in daily life as detergent, other application almost can cover all of field of fine chemical.Live in surface
Property agent is divided into ionic surfactant (including cationic surfactant and anion surfactant), non-ionic surface
Activating agent, amphoteric surfactant, compound surfactant, other surfactants etc..Wherein, nonionic is as at aqueous solution
In do not produce the surfactant of ion, the solubility with temperature in water raises and reduces.Nonionic surfactant has
The diversities such as good washing, dispersion, emulsifying, foaming, moistening, solubilising, antistatic, level dyeing, anticorrosion, sterilization and protecting colloid
Can, use extensively, good market prospect.
Arlacel-65 (in the art be frequently referred to S-65) as the representative of nonionic surfactant,
It has functions such as being dispersed among petroleum ether, mineral oil, vegetable oil, be widely deployed medicine, cosmetics, weave, paint,
Explosive Industry emulsifying agent, also can make textile oil preparation, make emulsifying agent in oil deep-well weighted mud, and dispersant is made in paint industry,
Oil product is used as cosolvent and antirust agent.In the existing technique preparing Arlacel-65, generally adopt
By the method for multi-step, particularly as follows: the first step, sorbitol is first reacted with catalyst for etherification；Second step, adds stearic acid and ester
Change catalyst to react, finally obtain Arlacel-65.But above-mentioned preparation technology is loaded down with trivial details, needs staff
To its monitored for prolonged periods of time, find that the reaction in the first step terminates, and then carries out second step operation in time, obtain anhydro sorbitol three stearic
Acid esters.In preparation process, owing to sorbitol there will be intermolecular etherificate in etherification procedure, thus form the mistake of macromole
Water sorbitol, i.e. colloid, there is impact to the use of Arlacel-65, such as, cause containing anhydrosorbitol in colloid
The oil product that alcohol tristearate is made colloid when burning is easily formed waste residue, causes the appearance of the situation such as wear and tear in machines and blocking.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide an a kind of step preparation and the dehydration occurred without colloid
The preparation method of sorbitol tristearate.
The present invention provides the preparation method of a kind of Arlacel-65, it is characterised in that anhydro sorbitol three
Stearate includes sorbitol, stearic acid and acidic catalyst, and preparation method comprises the steps:
Step one: sorbitol, stearic acid are put in reactor with acidic catalyst, is warming up to 180～230 DEG C, during reaction
Between be 4-8h, obtain mixture A；
Step 2: carry out mixture A surveying acid number, when the acid number of mixture A is not more than 10mgKOH/g, cooling, to obtain final product
Arlacel-65；When the acid number of mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
The preparation method of the Arlacel-65 that the present invention provides, by adding in sorbitol, stearic acid
Acidic catalyst, and sorbitol, stearic acid are put in reactor together with acidic catalyst react, obtain anhydro sorbitol three
Stearate, thus realize one-step method and prepare Arlacel-65.Additionally, also avoid the intermolecular ether of sorbitol
Changing, thus realize producing without colloid, tool has an unexpected effect, and improves the quality of Arlacel-65.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the application
Feature, purpose and advantage will become more apparent upon:
The Arlacel-65 preparation method flow chart that Fig. 1 provides for the present invention.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to this invention.It also should be noted that, in order to
It is easy to describe, accompanying drawing illustrate only and invent relevant part.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment 1
Refer to Fig. 1, the present embodiment provides the preparation method of a kind of Arlacel-65, anhydro sorbitol three
Stearate includes sorbitol, stearic acid and acidic catalyst, and preparation method comprises the steps:
Step one: put in reactor by sorbitol, stearic acid and acidic catalyst, be warming up to 180 DEG C, the response time is
4h, obtains mixture A；
Step 2: carry out mixture A surveying acid number, when the acid number of mixture A is not more than 10mgKOH/g, cooling, to obtain final product
Arlacel-65；When the acid number of mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
Wherein, sorbitol and stearic molal weight are than 1:2, and acidic catalyst is sorbitol and stearic acid weight sum
0.2%, acidic catalyst is concentrated sulphuric acid and the pyrovinic acid of 98% concentration.
It addition, in the present embodiment after sorbitol, stearic acid react with acidic catalyst, the mixture A formed is surveyed
Acid number, when the acid number of mixture A is more than 10mgKOH/g, continues to react in a kettle., after the question response time is 0.25-1h,
Carry out again surveying acid number, during until the acid number of mixture A is not more than 10mgKOH/g, cooling, obtain anhydro sorbitol three stearic acid
Ester.Here the question response time is preferably 0.25-1h, and the concrete time can be adjusted according to producing practical situation.
The Arlacel-65 that the present embodiment is prepared is yellow waxy solid, and hydroxyl value is 60KOH/g, soap
Change value is 170mgKOH/g, and does not has colloid to occur.
Embodiment 2
Refer to Fig. 1, the present embodiment provides the preparation method of a kind of Arlacel-65, anhydro sorbitol three
Stearate includes sorbitol, stearic acid and acidic catalyst, and preparation method comprises the steps:
Step one: put in reactor by sorbitol, stearic acid and acidic catalyst, be warming up to 190 DEG C, the response time is
8h, obtains mixture A；
Step 2: carry out mixture A surveying acid number, when the acid number of mixture A is not more than 10mgKOH/g, cooling, to obtain final product
Arlacel-65；When the acid number of mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
Wherein, sorbitol and stearic molal weight than 1:2.5, acidic catalyst be sorbitol and stearic acid weight it
The 0.4% of sum, acidic catalyst is the concentrated sulphuric acid of 98% concentration, phosphorous acid, hypophosphorous acid and pyrovinic acid, and the weight ratio of four
Example is 1:3:3:2.
It addition, in the present embodiment after sorbitol, stearic acid react with acidic catalyst, the mixture A formed is surveyed
Acid number, when the acid number of mixture A is more than 10mgKOH/g, continues to react in a kettle., after the question response time is 0.25-1h,
Carry out again surveying acid number, during until the acid number of mixture A is not more than 10mgKOH/g, cooling, obtain anhydro sorbitol three stearic acid
Ester.Here the question response time is preferably 0.25-1h, and the concrete time can be adjusted according to producing practical situation.
The Arlacel-65 that the present embodiment is prepared is yellow waxy solid, and hydroxyl value is 68KOH/g, soap
Change value is 181mgKOH/g, and does not has colloid to occur.
Embodiment 3
Refer to Fig. 1, the present embodiment provides the preparation method of a kind of Arlacel-65, anhydro sorbitol three
Stearate includes sorbitol, stearic acid and acidic catalyst, and preparation method comprises the steps:
Step one: put in reactor by sorbitol, stearic acid and acidic catalyst, be warming up to 210 DEG C, the response time is
7h, obtains mixture A；
Step 2: carry out mixture A surveying acid number, when the acid number of mixture A is not more than 10mgKOH/g, cooling, to obtain final product
Arlacel-65；When the acid number of mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
Wherein, sorbitol and stearic molal weight than 1:2.5, acidic catalyst be sorbitol and stearic acid weight it
The 0.6% of sum, acidic catalyst is phosphorous acid, hypophosphorous acid and pyrovinic acid, and the part by weight of three is 1:2:1.
It addition, in the present embodiment after sorbitol, stearic acid react with acidic catalyst, the mixture A formed is surveyed
Acid number, when the acid number of mixture A is more than 10mgKOH/g, continues to react in a kettle., after the question response time is 0.25-1h,
Carry out again surveying acid number, during until the acid number of mixture A is not more than 10mgKOH/g, cooling, obtain anhydro sorbitol three stearic acid
Ester.Here the question response time is preferably 0.25-1h, and the concrete time can be adjusted according to producing practical situation.
The Arlacel-65 that the present embodiment is prepared is yellow waxy solid, and hydroxyl value is 80KOH/g, soap
Change value is 185mgKOH/g, and does not has colloid to occur.
Embodiment 4
Refer to Fig. 1, the present embodiment provides the preparation method of a kind of Arlacel-65, anhydro sorbitol three
Stearate includes sorbitol, stearic acid and acidic catalyst, and preparation method comprises the steps:
Step one: put in reactor by sorbitol, stearic acid and acidic catalyst, be warming up to 230 DEG C, the response time is
7h, obtains mixture A；
Step 2: carry out mixture A surveying acid number, when the acid number of mixture A is not more than 10mgKOH/g, cooling, to obtain final product
Arlacel-65；When the acid number of mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
Wherein, sorbitol and stearic molal weight are than 1:3, and acidic catalyst is sorbitol and stearic acid weight sum
0.6%, acidic catalyst is phosphoric acid, phosphorous acid and hypophosphorous acid, and the part by weight of three is 2:4:1.
It addition, in the present embodiment after sorbitol, stearic acid react with acidic catalyst, the mixture A formed is surveyed
Acid number, when the acid number of mixture A is more than 10mgKOH/g, continues to react in a kettle., after the question response time is 0.25-1h,
Carry out again surveying acid number, during until the acid number of mixture A is not more than 10mgKOH/g, cooling, obtain anhydro sorbitol three stearic acid
Ester.Here the question response time is preferably 0.25-1h, and the concrete time can be adjusted according to producing practical situation.
The Arlacel-65 that above-described embodiment 1-4 prepares is all in yellow waxy solid, and hydroxyl value is 60
～80KOH/g, saponification number are 170～190mgKOH/g, and colloid is not had to occur.
In sum, in above-described embodiment 1-4, by adding acidic catalyst in sorbitol, stearic acid, and by mountain
Pears alcohol, stearic acid are put in reactor together with acidic catalyst and are reacted, thus realize one-step method and prepare anhydro sorbitol three
Stearate.Additionally, also avoid the intermolecular etherificate of sorbitol, thus realize producing without colloid, there is beyond thought effect
Really, improve the quality of Arlacel-65.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, also should contain in the case of without departing from described inventive concept simultaneously, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as features described above has similar merit with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (7)
1. the preparation method of an Arlacel-65, it is characterised in that described Arlacel-65
Including sorbitol, stearic acid and acidic catalyst, described preparation method comprises the steps:
Step one: described sorbitol, described stearic acid are put in reactor with described acidic catalyst, is warming up to 180～230
DEG C, the response time is 4-8h, obtains mixture A；
Step 2: carry out described mixture A surveying acid number, when the acid number of described mixture A is not more than 10mgKOH/g, cooling,
Obtain described Arlacel-65；When the acid number of described mixture A is more than 10mgKOH/g, go to step 3；
Step 3: continue to be placed in reaction kettle for reaction by mixture A, the response time is 0.25-1h, goes to step 2.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described sorbitol
With described stearic molal weight than 1:(2～3), described acidic catalyst be described sorbitol and described stearic acid weight it
The 0.2%～0.8% of sum.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described dehydration mountain
Pears alcohol tristearate is yellow waxy solid.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described dehydration mountain
The hydroxyl value of pears alcohol tristearate is 60～80mgKOH/g.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described dehydration mountain
The saponification number of pears alcohol tristearate is 170～190mgKOH/g.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described step one
In temperature be 210 DEG C.
The preparation method of Arlacel-65 the most according to claim 1, it is characterised in that described acidity is urged
Agent includes in the concentrated sulphuric acid of 98% concentration, pyrovinic acid, phosphoric acid, phosphorous acid, hypophosphorous acid in one or several mixing.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228774A (en) * | 1996-07-31 | 1999-09-15 | 帝国化学工业公司 | Process for producing fatty acid esters of sorbitan as surfactants |
| CN1274351A (en) * | 1997-10-07 | 2000-11-22 | 亨凯尔公司 | Process for removing polysorbitols from sorbitan esters |
| CN103087015A (en) * | 2012-12-19 | 2013-05-08 | 湖北葛店人福药用辅料有限责任公司 | Preparation method of sorbitan oleate servicing as medicinal auxiliary material |
-
2016
- 2016-06-28 CN CN201610480660.3A patent/CN106045946B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228774A (en) * | 1996-07-31 | 1999-09-15 | 帝国化学工业公司 | Process for producing fatty acid esters of sorbitan as surfactants |
| CN1274351A (en) * | 1997-10-07 | 2000-11-22 | 亨凯尔公司 | Process for removing polysorbitols from sorbitan esters |
| CN103087015A (en) * | 2012-12-19 | 2013-05-08 | 湖北葛店人福药用辅料有限责任公司 | Preparation method of sorbitan oleate servicing as medicinal auxiliary material |
Non-Patent Citations (1)
| Title |
|---|
| 毛连山等: "优质失水山梨醇单硬脂酸醋的合成", 《化学工业与工程技术》 * |
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