CN105969536A - Fatty alcohol surfactant for preparing washing liquid and preparation method of fatty alcohol surfactant - Google Patents
Fatty alcohol surfactant for preparing washing liquid and preparation method of fatty alcohol surfactant Download PDFInfo
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- CN105969536A CN105969536A CN201610265927.7A CN201610265927A CN105969536A CN 105969536 A CN105969536 A CN 105969536A CN 201610265927 A CN201610265927 A CN 201610265927A CN 105969536 A CN105969536 A CN 105969536A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/65—Mixtures of anionic with cationic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/42—Amino alcohols or amino ethers
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Abstract
The invention relates to a fatty alcohol surfactant for preparing a washing liquid and a preparation method of the fatty alcohol surfactant; the fatty alcohol surfactant for preparing the washing liquid comprises, by the weight percentage, 8%-10% of lauric acid, 6%-8% of oleic acid, 1%-2.5% of sodium hydroxide, 0.05%-0.5% of ethylenediaminetetraacetic acid, 7%-9% of triethanolamine, 8%-10% of dodecylbenzene sulfonic acid, and the balance pure water with the residual weight percentage. The fatty alcohol surfactant adopting the formula adopts reliable natural raw material formula and a reasonable hierarchical preparation process; after the fatty alcohol surfactant is used for preparing the washing liquid, damage and corrosion cannot be caused on cleaned objects, the antifouling ability is strong, and an antifouling agent is not required to be added in the preparation process of the washing liquid; the product overall has soft feeling to skin, does not hurt hands, has stronger and more obvious antifouling effect, especially has an unique antifouling effect on dirty marks and oil stains, and has broad market prospects and industrial value.
Description
Technical field
The invention belongs to household chemicals field, particularly to formula and the preparation method of fatty alcohol surfactant of a kind of fatty alcohol (Fatty Alcohol) surfactant.
Background technology
Surfactant (surfactant), refers to add the material of the interface state generation significant change that can make its solution system on a small quantity.Surfactant is used as performance additive in many industry formula, in individual and home care, and countless commercial Application: metal process, industry cleaning link, oil exploitation, pesticide etc..
Fatty alcohol is the aliphatic alcohols with 8 to 22 carbon atom chains, fatty alcohol is generally of the carbon atom of even number and a hydroxyl being connected to carbochain end, is one of the raw material of detergent surfactant, has the characteristic of amphiphilic, existing hydrophobic group has again hydrophilic group, and formula is ROH.Fatty alcohol (Fatty Alcohol) is that the important intermediate demand of various chemicals, household supplies etc. has the biggest growth；The preparation of cleaning mixture needs fatty alcohol cleaning mixture to compare the detergents such as detergent to possess soluble, easily configure, the advantages such as Low-temperature cleaning is effective, and its large area that is bound to is popularized；Quality for cleaning mixture embodies a concentrated reflection of and phosphorous cleaning mixture before is improved the without phosphorus cleaning mixture being to meet environmental requirement at present；Due to the restriction of the fatty alcohol of cleaning mixture raw material, the cleaning mixture using existing fatty alcohol to prepare has chemical corrosivity, hinders hands and washing object can be caused certain corrosion；Clean effect also has much room for improvement.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, the preparation method of a kind of fatty alcohol surfactant and this fatty alcohol surfactant for preparing cleaning mixture is provided, the cleaning mixture being prepared into the fatty alcohol surfactant of the present invention program possesses reliable high-effective cleansing ability, harmless to cleaning of objects, do not hurt hands.
For achieving the above object, the technical solution used in the present invention is:
For preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, it comprises: lauric acid 8%-10%, oleic acid 6%-8%, sodium hydroxide 1%-2.5%, ethylenediaminetetraacetic acid 0.05%-0.5%, triethanolamine 7%-9%, DBSA 8%-10%, residuals weight degree are pure water.
Wherein lauric acid, oleic acid are all with Oleum Cocois, Petiolus Trachycarpi oil as raw material, through pretreatment, and ester exchange and the natural acid that comes.
Have employed the mixing formula of lauric acid and oleic acid, contain natural plant raw material, transparency and the dissolubility of preparation process can ensured, this fatty alcohol surfactant is finally made to possess environment friendly and pollution-free advantage, simultaneously, also there is extraordinary flexibility so that cleaning mixture (or detergent) has soft feeling to skin.
In formula, by adding DBSA so that the final properties of product prepared are highly stable, it is possible to play its advantage reliably.
As the more excellent scheme of the present invention, percentage by weight meter comprises: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%.
Wherein lauric acid, oleic acid are all with Oleum Cocois, Petiolus Trachycarpi oil as raw material, through pretreatment, and ester exchange and the natural acid that comes.
As the more excellent scheme of the present invention, described pure water is by the pure water after ion-exchange treatment.
As the more excellent scheme of the present invention, described pure water is the pure water after being processed by purification processes system, described purification processes system includes water pump, ion exchange mixed bed and the resin catcher set gradually along water (flow) direction, is provided with mixed uniformly anion exchange resin and cation exchange resin in described ion exchange mixed bed；Described purification processes system also includes that acid add-on system, described sour add-on system include the sour batch box that the sour accumulator tank that sour pump is connected is connected with acid accumulator tank and the first inhaler that suction ion sour in acid batch box exchanges mixed bed with sour pump discharge；Described purification processes system also includes that alkali add-on system, described alkali add-on system include the alkali batch box that the sour accumulator tank that alkali pump is connected is connected with alkali accumulator tank and the second inhaler that alkali in alkali batch box sucks ion exchange mixed bed with alkali pump outlet.
The preparation method of fatty alcohol surfactant, it comprises the steps of
(1) by weight percentage, prepare following raw material: lauric acid 8%-10%, oleic acid 6%-8%, sodium hydroxide 1%-2.5%, ethylenediaminetetraacetic acid 0.05%-0.5%, triethanolamine 7%-9%, DBSA 8%-10%, residuals weight degree is pure water；Wherein oleic acid, lauric acid are all with Oleum Cocois, and Petiolus Trachycarpi oil is raw material, through pretreatment, and ester exchange and the natural acid that comes.
(2) load weighted lauric acid, oleic acid all being put in reaction pot, agitating heating, in 90 DEG C-100 DEG C, confirms that all oils and fatss all dissolve and fully transparent；
(3) being slowly added to the sodium hydroxide solution of predissolve while stirring, temperature controls, at 120 DEG C-130 DEG C, to stir 30-40 minute, make oils and fats react completely with sodium hydroxide；
(4) add the pure water needed for formula, be heated up to temperature while stirring and control, at 110 DEG C-120 DEG C, to stir 30-40 minute, make reacted solution fully transparent；
(5) adding triethanolamine required in formula, react with solution in pot, temperature controls at 120 DEG C-130 DEG C, insulated and stirred, and temperature retention time is 20-30 minute；
(6) adding DBSA required in formula, temperature controls at 120 DEG C-130 DEG C, insulated and stirred 20-30 minute, adds the glycerol in formula, stir 10 minutes, detection, and final detection pH value is 8.0-9.0, and in still, insulation 24 hours is stand-by；
(7) finished product takes the dish out of the pot.
As the more excellent scheme of above-mentioned preparation method, each step is:
(1) by weight percentage, following raw material is prepared: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%；Wherein oleic acid, lauric acid are all with Oleum Cocois, and Petiolus Trachycarpi oil is raw material, through pretreatment, and ester exchange and the natural acid that comes；
(2) first load weighted lauric acid, oleic acid all being added in reactor, agitating heating, in 95 DEG C, confirms that oils and fats all dissolves and fully transparent；
(3) adding the sodium hydroxide solution dissolved in advance, temperature controls at 125 DEG C, stirs and makes oils and fats react completely with sodium hydroxide in 35 minutes；
(4) adding the pure water needed for formula, stir and heat, temperature, at 115 DEG C, stirs 35 minutes, confirms that the solution of reaction is fully transparent；
(5) adding triethanolamine required in formula, react with solution in still, temperature controls at 125 DEG C, insulated and stirred, and the time is 25 minutes；
(6) adding DBSA required in formula, temperature controls at 125 DEG C, insulated and stirred 25 minutes, adds the glycerol in formula, stir 10 minutes, detection, and final detection pH value is 8.3, and in still, insulation 24 hours is stand-by；
(7) finished product takes the dish out of the pot.
As the more excellent scheme of above-mentioned preparation method, also comprise the step being prepared described pure water by ion-exchange treatment.
As the more excellent scheme of above-mentioned preparation method, also comprise and carry out purification processes and prepare the step of described pure water；
(1) use ion exchange mixed bed that the ionic state material in water is swapped；Described ion exchange mixed bed comprises mixed uniformly anion exchange resin and cation exchange resin；
(2) described ion exchange mixed bed is added hydrochloric acid and sodium hydroxide makes ion exchange mixed bed regeneration.
Use ion exchange mixed bed that the ionic state material in water is swapped, and anion exchange resin and the cation exchange resin in ion exchange mixed bed uniformly mixes, cation and anion exchange is almost carried out simultaneously, eliminate the impact of back reaction, therefore, after purification processes, highly purified quality of de-ionized water can be obtained；And after mixed bed uses a period of time when ion exchange, by acid, alkali add-on system, ion exchange mixed bed is added hydrochloric acid and sodium hydroxide solution, and ion exchange mixed bed regeneration can be made, whole system can the system of stable circulation completely can be run.Water has carried out ion-exchange treatment or purification processes, pure water steady quality, it is possible to ensure the stability of whole fatty alcohol surfactant and preparation process thereof, it is ensured that quality.
The medicine have the advantages that the fatty alcohol surfactant using inventive formulation, employing possesses reliable natural material formula and rational with different levels preparation process, cleaning of objects will not be caused damage and corrode after preparing cleaning mixture, dirt-removing power is strong, it is not necessary to add anti-fouling agent in the preparation process of cleaning mixture；Overall having soft feeling to skin, do not hurt hands, clean effect is higher, become apparent from, and particularly has the clean effect of uniqueness to spot, oil stain, has wide market prospect and industrial value.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.For preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, it comprises: lauric acid 8%-10%, oleic acid 6%-8%, sodium hydroxide 1%-2.5%, ethylenediaminetetraacetic acid 0.05%-0.5%, triethanolamine 7%-9%, DBSA 8%-10%, residuals weight degree is pure water, wherein oleic acid, lauric acid are all with Oleum Cocois, Petiolus Trachycarpi oil is raw material, through pretreatment, and ester exchange and the natural acid that comes.
Concrete recommendation composition is as shown in following 3 embodiments:
Embodiment 1:
For preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, lauric acid 10%, oleic acid 8%, sodium hydroxide 2%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 8%, DBSA 9%, pure water 62.925% are comprised.
Wherein oleic acid, lauric acid are all with Oleum Cocois, and Petiolus Trachycarpi oil is raw material, through pretreatment, and ester exchange and the natural acid that comes.
Each step of the preparation method of above-mentioned fatty alcohol surfactant is:
(1) by weight percentage, following raw material is prepared: lauric acid 10%, oleic acid 8%, sodium hydroxide 2%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 8%, DBSA 9%, pure water 62.925%；
(2) first load weighted lauric acid, oleic acid all being added in reactor, agitating heating, in 95 DEG C, confirms that oils and fats all dissolves and fully transparent；
(3) adding the sodium hydroxide solution dissolved in advance, temperature controls at 125 DEG C, stirs and makes oils and fats react completely with sodium hydroxide in 35 minutes；
(4) adding the pure water needed for formula, stir and heat, temperature, at 115 DEG C, stirs 35 minutes, confirms that the solution of reaction is fully transparent；
(5) adding triethanolamine required in formula, react with solution in still, temperature controls at 125 DEG C, insulated and stirred, and the time is 25 minutes；
(6) adding DBSA required in formula, temperature controls at 125 DEG C, insulated and stirred 25 minutes, adds the glycerol in formula, stir 10 minutes, detection, and final detection pH value is 8.3, and in still, insulation 24 hours is stand-by；
(7) finished product takes the dish out of the pot.
Embodiment 2:
For preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, it comprises: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%.
Wherein oleic acid, lauric acid are all with Oleum Cocois, Petiolus Trachycarpi oil as raw material, through pretreatment, and ester exchange and the natural acid that comes.
The preparation method of above-mentioned fatty alcohol surfactant comprises the steps of
(1) by weight percentage, following raw material is prepared: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%；
(2) first load weighted lauric acid, oleic acid all being added in reactor, agitating heating, in 95 DEG C, confirms that oils and fats all dissolves and fully transparent；
(3) adding the sodium hydroxide solution dissolved in advance, temperature controls at 125 DEG C, stirs and makes oils and fats react completely with sodium hydroxide in 35 minutes；
(4) adding the pure water needed for formula, stir and heat, temperature, at 115 DEG C, stirs 35 minutes, confirms that the solution of reaction is fully transparent；
(5) adding triethanolamine required in formula, react with solution in still, temperature controls at 125 DEG C, insulated and stirred, and the time is 25 minutes；
(6) adding DBSA required in formula, temperature controls at 125 DEG C, insulated and stirred 25 minutes, adds the glycerol in formula, stir 10 minutes, detection, and final detection pH value is 8.3, and in still, insulation 24 hours is stand-by；
(7) finished product takes the dish out of the pot.
Embodiment 3:
For preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, it comprises: lauric acid 10%, oleic acid 7%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 8%, DBSA 8%, pure water 64.425%.
The preparation method of above-mentioned fatty alcohol surfactant comprises the steps of
(1) by weight percentage, following raw material is prepared: lauric acid 10%, oleic acid 7%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid 0.075%, triethanolamine 8%, DBSA 8%, pure water 64.425%；
(2) first load weighted lauric acid, oleic acid all being added in reactor, agitating heating, in 95 DEG C, confirms that oils and fats all dissolves and fully transparent；
(3) adding the sodium hydroxide solution dissolved in advance, temperature controls at 125 DEG C, stirs and makes oils and fats react completely with sodium hydroxide in 35 minutes；
(4) adding the pure water needed for formula, stir and heat, temperature, at 115 DEG C, stirs 35 minutes, confirms that the solution of reaction is fully transparent；
(5) adding triethanolamine required in formula, react with solution in still, temperature controls at 125 DEG C, insulated and stirred, and the time is 25 minutes；
(6) adding DBSA required in formula, temperature controls at 125 DEG C, insulated and stirred 25 minutes, adds the glycerol in formula, stir 10 minutes, detection, and final detection pH value is 8.3, and in still, insulation 24 hours is stand-by；
(7) finished product takes the dish out of the pot.
The foregoing is only presently preferred embodiments of the present invention, be not used for limiting the practical range of the present invention；The equivalents that the most all right under this invention are done, is scope of the presently claimed invention and is covered.
Claims (8)
1., for preparing the fatty alcohol surfactant of cleaning mixture, by weight percentage, it comprises: Laurel
Acid 8%-10%, oleic acid 6%-8%, sodium hydroxide 1%-2.5%, ethylenediaminetetraacetic acid 0.05%-0.5%, three second
Hydramine 7%-9%, DBSA 8%-10%, residuals weight degree are pure water.
2. the fatty alcohol surfactant for preparing cleaning mixture as claimed in claim 1, it is characterised in that:
By weight percentage, comprise: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%, ethylenediaminetetraacetic acid
0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%.
3. the fatty alcohol surfactant for preparing cleaning mixture as claimed in claim 1, it is characterised in that:
Described pure water is by the pure water after ion-exchange treatment.
4. the fatty alcohol surfactant for preparing cleaning mixture as claimed in claim 1, it is characterised in that:
Described pure water is the pure water after being processed by purification processes system, and described purification processes system includes along current side
It is provided with in the water pump set gradually, ion exchange mixed bed and resin catcher, described ion exchange mixed bed
Mixed uniformly anion exchange resin and cation exchange resin；Described purification processes system also includes that acid adds
Adding system, described acid add-on system includes acid pump and the acid sour accumulator tank that is connected of pump discharge and sour accumulator tank
The sour batch box connected and the first inhaler that suction ion sour in acid batch box is exchanged mixed bed；Described
Purification processes system also includes that alkali add-on system, described alkali add-on system include that alkali pump is connected with alkali pump outlet
The alkali batch box that is connected with alkali accumulator tank of sour accumulator tank and alkali in alkali batch box is sucked ion exchange
Second inhaler of mixed bed.
5. the preparation method of fatty alcohol surfactant, it comprises the steps of
(1) by weight percentage, following raw material is prepared: lauric acid 8%-10%, oleic acid 6%-8%, hydrogen
Sodium oxide 1%-2.5%, ethylenediaminetetraacetic acid 0.05%-0.5%, triethanolamine 7%-9%, DBSA
8%-10%, residuals weight degree is pure water；Wherein oleic acid, lauric acid are all with Oleum Cocois, Petiolus Trachycarpi
Oil is raw material, through pretreatment, and ester exchange and the natural acid that comes.
(2) load weighted lauric acid, oleic acid are all put in reaction pot, agitating heating in 90 DEG C-100 DEG C,
Confirm that all oils and fatss all dissolve and fully transparent；
(3) being slowly added to the sodium hydroxide solution of predissolve while stirring, temperature controls at 120 DEG C-130 DEG C,
Stir 30-40 minute, make oils and fats react completely with sodium hydroxide；
(4) add the pure water needed for formula, be heated up to temperature while stirring and control, at 110 DEG C-120 DEG C, to stir
Mix 30-40 minute, make reacted solution fully transparent；
(5) adding triethanolamine required in formula, react with solution in pot, temperature controls at 120 DEG C
-130 DEG C, insulated and stirred, temperature retention time is 20-30 minute；
(6) adding DBSA required in formula, temperature controls at 120 DEG C-130 DEG C, insulation
Stirring 20-30 minute, add the glycerol in formula, stir 10 minutes, detection, final detection pH value is
8.0-9.0, in still be incubated 24 hours stand-by；
(7) finished product takes the dish out of the pot.
6. fatty alcohol surfactant preparation method as claimed in claim 5, it is characterised in that: described respectively
Individual step is:
(1) by weight percentage, prepare following raw material: lauric acid 9%, oleic acid 6%, sodium hydroxide 2.5%,
Ethylenediaminetetraacetic acid 0.075%, triethanolamine 7%, DBSA 8%, pure water 67.425%；Wherein
Oleic acid, lauric acid are all with Oleum Cocois, and Petiolus Trachycarpi oil is raw material, through pretreatment, ester exchange and come natural
Fatty acid；
(2) first load weighted lauric acid, oleic acid all being added in reactor, agitating heating is in 95 DEG C, really
Recognize oils and fats all to dissolve and fully transparent；
(3) adding the sodium hydroxide solution dissolved in advance, temperature controls at 125 DEG C, stirs and makes oil in 35 minutes
Fat reacts completely with sodium hydroxide；
(4) adding the pure water needed for formula, stir and heat, temperature, at 115 DEG C, stirs 35 points
Clock, confirms that the solution of reaction is fully transparent；
(5) adding triethanolamine required in formula, react with solution in still, temperature controls at 125 DEG C,
Insulated and stirred, the time is 25 minutes；
(6) adding DBSA required in formula, temperature controls at 125 DEG C, insulated and stirred 25
Minute, adding the glycerol in formula, stir 10 minutes, detection, final detection pH value is 8.3, in still
Be incubated 24 hours stand-by；
(7) finished product takes the dish out of the pot.
7. the preparation method of fatty alcohol surfactant as claimed in claim 5, it is characterised in that: also wrap
Containing the step being prepared described pure water by ion-exchange treatment.
8. the preparation method of fatty alcohol surfactant as claimed in claim 5, it is characterised in that: also wrap
The step of described pure water is prepared containing carrying out purification processes:
(1) use ion exchange mixed bed that the ionic state material in water is swapped；The exchange of described ion is mixed
Mixed uniformly anion exchange resin and cation exchange resin is comprised in Chuan；
(2) described ion exchange mixed bed is added hydrochloric acid and sodium hydroxide makes ion exchange mixed bed regeneration.
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| CN111150012A (en) * | 2019-07-02 | 2020-05-15 | 山东省科学院生物研究所 | Method for quickly removing smooth skin on surface of kelp |
| CN111308866A (en) * | 2020-04-01 | 2020-06-19 | 烟台核晶陶瓷新材料有限公司 | Developing solution for crucible detection and preparation method and use method thereof |
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| CN101555440A (en) * | 2008-12-08 | 2009-10-14 | 东莞市松山湖微电子材料研发中心 | Method for producing cleaning agent for removing wax and oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111150012A (en) * | 2019-07-02 | 2020-05-15 | 山东省科学院生物研究所 | Method for quickly removing smooth skin on surface of kelp |
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