CN101632353A - Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof - Google Patents
Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof Download PDFInfo
- Publication number
- CN101632353A CN101632353A CN200910018008A CN200910018008A CN101632353A CN 101632353 A CN101632353 A CN 101632353A CN 200910018008 A CN200910018008 A CN 200910018008A CN 200910018008 A CN200910018008 A CN 200910018008A CN 101632353 A CN101632353 A CN 101632353A
- Authority
- CN
- China
- Prior art keywords
- aqueous solution
- benzene sulfonate
- dodecyl benzene
- sodium dodecyl
- sulfonate aqueous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of a pesticide adjuvant, in particular to sodium dodecyl benzene sulfonate aqueous solution and a preparation method thereof and application thereof. The technical solution of the invention is as follows: the sodium dodecyl benzene sulfonate aqueous solution is composed of the following components by weight percent: 28-65% of dodecylbenzene sulfonic acid, 6-8% of alkali, 0-8% of cosolvent and 0-1% of an additive and water, wherein, the alkali is one or combination of more than two of sodium carbonate, sodium bicarbonate and sodium hydroxide. The invention further provides a preparation method of the sodium dodecyl benzene sulfonate aqueous solution and application thereof. The aqueous solution has good emulsification, good wetting effect, good dispersibility, strong hydrophilicity, good aqueous solubility and strong applicability, so the aqueous solution can be taken as the additive of a microemulsion, an aqueous emulsion and the like for application to a water-based preparation made from pesticide, i.e. usage scope of the dodecylbenzene sulfonic acid is enlarged and usage amount of the additive of the microemulsification is reduced. Therefore, the aqueous solution is economical and environmental-friendly, and is a better modified product.
Description
Technical field
The invention belongs to the insecticides adjuvant technical field, relate in particular to sodium dodecyl benzene sulfonate aqueous solution and preparation method and application thereof.
Background technology
Neopelex is a kind of anion surfactant, have performances such as decontamination that surfactant has, wetting, foaming, emulsification, dispersion, cohesion, degreasing deinking, be widely used in mechano-electronic, petrochemical industry, the paint plastics, all trades and professions such as farmingization.Its structural formula is:
In the pesticidal preparations processing industry, DBSA all is a solid basically, is mainly used in pulvis, on the solid formulations such as water dispersible granules, and its aqueous solution content＜30%, lower, be used on the water base property preparation significant limitation being arranged.Replace oil base with water, develop water base property pesticides new formulation, the road of walking with the Environmental compatibility formulations of pesticide is the development trend of world's agricultural chemicals and formulation.Therefore it is imperative to develop new auxiliary agent kind or enlarge the range of application of old auxiliary agent.Though the production patent report of more neopelex is arranged so far, all (＜30%) of low content aspect liquid aqueous solution, report is not also found in the preparation of the aqueous solution of high-load and use, the especially application in microemulsion.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, and a kind of content is provided is the sodium dodecyl benzene sulfonate aqueous solution of 30-70%, make in the middle of its water base property preparation that is applied to agricultural chemicals system, enlarged the scope of application of DBSA, the present invention simultaneously also provides the preparation method and the application thereof of sodium dodecyl benzene sulfonate aqueous solution
Technical scheme of the present invention is: sodium dodecyl benzene sulfonate aqueous solution, percentage is made up of following component by weight: DBSA: 28-65%, alkali: 6-8%, cosolvent: 0-8%, adjuvant 0-1%, surplus are water, and described alkali is one or more combinations in sodium carbonate, sodium bicarbonate, the sodium hydroxide.Neopelex content is 30-70wt% in the sodium dodecyl benzene sulfonate aqueous solution.DBSA content is greater than waiting 95wt%.
Cosolvent of the present invention is one or more combinations in methyl alcohol, ethanol, n-butanol, isobutanol, acetone, the ring ethyl ketone.
Adjuvant of the present invention is one or more combinations in monoethanolamine, diethanol amine, triethanolamine, the ethylenediamine.
Water of the present invention is deionized water, distilled water or running water.
The present invention also provides the preparation method of sodium dodecyl benzene sulfonate aqueous solution, DBSA is joined in the reactor, and add half water and cosolvent, stirred 20 minutes, the control temperature is at 40-50 ℃, with alkali with second half water-soluble separating, the proportionaling alkali-forming aqueous solution, in about 2 hours, slowly the aqueous solution of the alkali for preparing is added drop-wise in the acid solution and goes, add adjuvant again after adding alkali, cool to 20-30 ℃, reacted 3-5 hour, making transparent or semitransparent liquid is sodium dodecyl benzene sulfonate aqueous solution.
The present invention also provides the microemulsion of sodium dodecyl benzene sulfonate aqueous solution at cyhalothrin, the application in water base property such as the aqueous emulsion preparation.
The microemulsion of cyhalothrin of the present invention is by following prescription, cyhalothrin 1-20%, toluene 1-10%, sodium dodecyl benzene sulfonate aqueous solution 1-10%, emulsifier 1-10%, surplus is a deionized water, with cyhalothrin fully, add sodium dodecyl benzene sulfonate aqueous solution and emulsifier, stir with the toluene dissolving, make oil phase, add entry again and be stirred to the transparent cyhalothrin microemulsion that promptly gets.
Described emulsifier is a non-ionic surface active agent, is the newborn 600# of farming, 1600#, 700#, BY series, nonyl phenol series.
The invention has the beneficial effects as follows: make the sodium dodecyl benzene sulfonate aqueous solution that content is 30-70%, strengthened the solvability of neopelex in water, make the aqueous solution of high-load, has good emulsification, wetting and peptizaiton, hydrophily is strong, and good solvability is arranged in water, makes in the middle of its water base property preparation that can be applied to agricultural chemicals system, be used for doing microemulsion, the auxiliary agent of aqueous emulsion etc. has promptly enlarged the scope of application of DBSA, and the auxiliary dosage of microemulsion is reduced, economical, environmental protection, applicability is strong, is a kind of modified product preferably.
Embodiment
Embodiment 1
Preparation 1000g content is 30% sodium dodecyl benzene sulfonate aqueous solution:
The basic sulfonic acid of weighing 281g dodecane is in reactor, add 323.5g water, stirred 20 minutes, the control temperature is at 50 ℃, other claims the 72g sodium bicarbonate to separate with 323.5g is water-soluble, maintains the temperature at 25 ℃, slowly sodium bicarbonate solution is added dropwise in the acid in about 2 hours, reacted four hours, and made sodium dodecyl benzene sulfonate aqueous solution.
Application in preparation 15% cyhalothrin microemulsion:
The former medicine of cyhalothrin: toluene 15%: the 70% DBSA aqueous solution 8%: 6%, 1600#:9%, surplus are water.
Take by weighing 95% the former powder of cyhalothrin (or crude oil) 15.79g, with the dissolving of 8g toluene fully, add the 6g70% DBSA aqueous solution and 9g1600# emulsifier, stir, make oil phase, add deionized water 61.21g again, be stirred to transparent till, promptly get 15% cyhalothrin microemulsion.
Embodiment 2
Preparation 1000g content is 50% sodium dodecyl benzene sulfonate aqueous solution:
The basic sulfonic acid of weighing 468g dodecane is in reaction bulb, add 217g water and 35g methyl alcohol, stirred 20 minutes, the control temperature is at 40 ℃, and other claims 35g sodium hydroxide and 22g sodium bicarbonate to separate with 217g is water-soluble, maintains the temperature at 20 ℃, in about 2 hours, slowly sodium hydroxide solution is added dropwise in the acid, add the 6g monoethanolamine again, reacted 3 hours, make sodium dodecyl benzene sulfonate aqueous solution.
Application in preparation 5% cyhalothrin microemulsion:
The former medicine of cyhalothrin: toluene 5%: the 70% DBSA aqueous solution 5%: 4%, 600#:6%, surplus are water.
Take by weighing 95% the former powder of cyhalothrin (or crude oil) 5.26g, with the dissolving of 5g toluene fully, add the 4g70% DBSA aqueous solution and 6g600# emulsifier, stir, make oil phase, add deionized water 79.74g again, be stirred to transparent till, promptly get 5% cyhalothrin microemulsion.
Embodiment 3
Preparation 1000g content is 7 0% sodium dodecyl benzene sulfonate aqueous solutions:
The basic sulfonic acid of weighing 656g dodecane is in reaction bulb, add 46g water, 50g n-butanol and 30g acetone, stirred 20 minutes, the control temperature is at 45 ℃, and other claims 80g sodium carbonate to separate with 46g is water-soluble, maintains the temperature at 30 ℃, in about 2 hours, slowly sodium carbonate liquor is added dropwise in the acid, keep temperature, reacted 5 hours, make sodium dodecyl benzene sulfonate aqueous solution.
Application in preparation 10% cyhalothrin microemulsion:
The former medicine of cyhalothrin: toluene 5%: the 70% DBSA aqueous solution 8%: 7%, 700#:8%, surplus are water
Take by weighing 95% the former powder of cyhalothrin (or crude oil) 5.26g, with the dissolving of 8g toluene fully, add the 7g70% DBSA aqueous solution and 8g700# emulsifier, stir, make oil phase, add deionized water 71.74g again, be stirred to transparent till, promptly get 10% cyhalothrin microemulsion.
With 5% gamma cyhalothrin microemulsion among the embodiment 2 is example, is used comparison with other anion surfactant and 600#:
| Title | With the 600# ratio | The transparency temperature scope | Stability of emulsion | Resolution ratio |
| Sodium salt | ??4∶6 | ??-5-60℃ | Good | ??≤5％ |
| Calcium salt 70 | ??7∶9 | ??-5-60℃ | Good | ??≤5％ |
| The NP-10 phosphate | ??7∶8 | ??-5-60℃ | Bad | ??≤5％ |
| The DBSA triethanolamine salt | ??6∶8 | ??-5-60℃ | Good | ??≤5％ |
Can find out that by last table the DBSA amount of aqueous solution used obviously reduces, good emulsion stability.
Claims (10)
1, sodium dodecyl benzene sulfonate aqueous solution, it is characterized in that: percentage is made up of following component by weight: DBSA: 28-65%, alkali: 6-8%, cosolvent: 0-8%, adjuvant 0-1%, surplus are water, and described alkali is one or more combinations in sodium carbonate, sodium bicarbonate, the sodium hydroxide.
2, sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: neopelex content is 30-70wt% in the described sodium dodecyl benzene sulfonate aqueous solution.
3, sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: described DBSA content is greater than waiting 95wt%.
4, sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: described cosolvent is one or more combinations in methyl alcohol, ethanol, n-butanol, isobutanol, acetone, the ring ethyl ketone.
5, sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: described adjuvant is one or more combinations in monoethanolamine, diethanol amine, triethanolamine, the ethylenediamine.
6, sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: described water is deionized water, distilled water or running water.
7, the preparation method of sodium dodecyl benzene sulfonate aqueous solution according to claim 1, it is characterized in that: DBSA is joined in the reactor, and add half water and cosolvent, stirred 20 minutes, the control temperature is at 40-50 ℃, with alkali with second half water-soluble separating, the proportionaling alkali-forming aqueous solution, in about 2 hours, slowly the aqueous solution of the alkali for preparing is added drop-wise in the acid solution and goes, add adjuvant again after adding alkali, cool to 20-30 ℃, reacted 3-5 hour, making transparent or semitransparent liquid is sodium dodecyl benzene sulfonate aqueous solution.
8, the application of sodium dodecyl benzene sulfonate aqueous solution according to claim 1 is characterized in that: at the microemulsion of cyhalothrin, and the application in water base property such as the aqueous emulsion preparation.
9, the application of sodium dodecyl benzene sulfonate aqueous solution according to claim 8, it is characterized in that: the microemulsion of described cyhalothrin is by following prescription, cyhalothrin 1-20%, toluene 1-10%, sodium dodecyl benzene sulfonate aqueous solution 1-10%, emulsifier 1-10%, surplus is a deionized water, with cyhalothrin fully with the toluene dissolving, add sodium dodecyl benzene sulfonate aqueous solution and emulsifier, stir, make oil phase, add entry again and be stirred to the transparent cyhalothrin microemulsion that promptly gets.
10, the application of sodium dodecyl benzene sulfonate aqueous solution according to claim 9 is characterized in that: described emulsifier is a non-ionic surface active agent, is the newborn 600# of farming, 1600#, 700#, BY series, nonyl phenol series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910018008 CN101632353B (en) | 2009-08-18 | 2009-08-18 | Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910018008 CN101632353B (en) | 2009-08-18 | 2009-08-18 | Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101632353A true CN101632353A (en) | 2010-01-27 |
| CN101632353B CN101632353B (en) | 2013-06-26 |
Family
ID=41591821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910018008 Active CN101632353B (en) | 2009-08-18 | 2009-08-18 | Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101632353B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512220A (en) * | 2018-05-21 | 2019-11-29 | 上海安谱实验科技股份有限公司 | A kind of thermal desorption stainless steel pipe detergent and its cleaning method |
| CN111450772A (en) * | 2020-04-27 | 2020-07-28 | 南京泰佳化工有限公司 | Non-layering liquid sodium alkyl benzene sulfonate and preparation method thereof |
| CN111771902A (en) * | 2019-11-12 | 2020-10-16 | 南京华洲药业有限公司 | Efficient cyhalothrin nano water aqua and preparation method and application thereof |
| CN111838151A (en) * | 2020-07-16 | 2020-10-30 | 山西珍草康生物科技有限公司 | Preparation method of high-concentration sodium dodecyl benzene sulfonate solution |
| CN115160190A (en) * | 2022-08-04 | 2022-10-11 | 上海奥威日化有限公司 | Process for producing alkylbenzene sulfonate surfactant products |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611115A (en) * | 2003-10-27 | 2005-05-04 | 北京华京五方实用纳米科技开发有限公司 | Lamda-cyhalothrin micro emulsion and its production method |
| CN1717993A (en) * | 2005-07-19 | 2006-01-11 | 赵邦斌 | Quizalotop-ethyl herbicide microemulsion, and its prepn. method |
-
2009
- 2009-08-18 CN CN 200910018008 patent/CN101632353B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512220A (en) * | 2018-05-21 | 2019-11-29 | 上海安谱实验科技股份有限公司 | A kind of thermal desorption stainless steel pipe detergent and its cleaning method |
| CN111771902A (en) * | 2019-11-12 | 2020-10-16 | 南京华洲药业有限公司 | Efficient cyhalothrin nano water aqua and preparation method and application thereof |
| CN111450772A (en) * | 2020-04-27 | 2020-07-28 | 南京泰佳化工有限公司 | Non-layering liquid sodium alkyl benzene sulfonate and preparation method thereof |
| CN111838151A (en) * | 2020-07-16 | 2020-10-30 | 山西珍草康生物科技有限公司 | Preparation method of high-concentration sodium dodecyl benzene sulfonate solution |
| CN115160190A (en) * | 2022-08-04 | 2022-10-11 | 上海奥威日化有限公司 | Process for producing alkylbenzene sulfonate surfactant products |
| CN115160190B (en) * | 2022-08-04 | 2023-09-08 | 上海奥威日化有限公司 | Process for the production of alkylbenzene sulfonate surfactant products |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101632353B (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101632353B (en) | Sodium dodecyl benzene sulfonate aqueous solution and preparation method thereof and application thereof | |
| CN103053529B (en) | Carvacrol-fluazinam pesticide composition | |
| CN101547603A (en) | Compatibility agents for herbicidal formulations comprising 2,4-(dichlorophenoxy) acetic acid salts | |
| CN101444225B (en) | Environment-friendly lythidathion emulsion and preparation method thereof | |
| CN101578987A (en) | Cyazofamid aqueous emulsion and preparation method thereof | |
| CN102057900B (en) | Thidiazuron suspension agent | |
| CN102428918B (en) | Fenoxanil aqueous suspension and preparation method thereof | |
| CN102165959A (en) | Glyphosate environment-friendly aqueous agent using biodiesel as synergist | |
| CN101513180A (en) | Cyhalofop-butyl aqueous emulsion and preparing method thereof | |
| CN112471170B (en) | Glyphosate isopropylamine salt aqueous solution auxiliary agent | |
| CN101627758A (en) | Aqueous cyhalofop-butyl emulsion and preparation method thereof | |
| CN103444737B (en) | Bactericide composition containing polyoxins and benthiavalicarb isopropyl | |
| CN103493833B (en) | A kind of microbicide compositions containing 2-cyano-3-amino-3-phenylancryic acetate and benzene metsulfovax | |
| CN105165812A (en) | Suspending agent containing styrene-acrylic emulsion and preparation method thereof | |
| CN102293213A (en) | Alkaline antibacterial preservative for chemical fiber finishes and preparation method thereof | |
| CN102812952B (en) | Preparation method of water-emulsion non-ionic surfactant | |
| CN101554164A (en) | Pesticide adjuvant and preparation method thereof | |
| CN101444205A (en) | High-lythidathion content oil emulsion and preparation method thereof | |
| CN102696582A (en) | Flonicamid suspension concentrate and method for preparing same | |
| EP1180326B1 (en) | Concentrates of ortho-phenylphenolat | |
| CN101554163B (en) | Pesticide adjuvant and preparation method thereof | |
| CN101692816A (en) | Bactericide suspending agent compounded of dimethomorph and amistar and process for preparing same | |
| CN107018986A (en) | A kind of Difenoconazole and thiophanate methyl compounding suspending agent and preparation method thereof | |
| US10093883B2 (en) | Glucose gemini surfactant compound and method for preparation thereof | |
| CN101743953A (en) | Cyromazine suspending agent and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 266603 Qingdao City, Shandong province Laixi City, Jiang Shan town before the village (Busan Industrial Park) Applicant after: Qingdao Star Cropscience Co., Ltd. Address before: 266071, room 4, building 133, Ting capital building, No. 312, Fuzhou North Road, Qingdao, Shandong Applicant before: Qingdao Star Cropscience Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |