CNA - Method for preparing calcium alkylbenzene sulfonate methanol solution - Google Patents

Method for preparing calcium alkylbenzene sulfonate methanol solution Download PDF

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Publication number

CNA

CNA CN.3A CNA CNA CN A CN A CN A CN A CN A CN A CN A CN A CN A

Authority

CN

China

Prior art keywords

alkyl benzene

methanol solution

methanol

calcium sulfonate

methyl alcohol

Prior art date

-04-22

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

Application number

CN.3A

Other languages

Chinese (zh)

Other versions

CNB (en

Inventor

倪新荣

张家斌

黄树华

陸桂文

陈铭录

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NANJING TEVA-CHEM Co Ltd

Original Assignee

NANJING TEVA-CHEM Co Ltd

Priority date (The priority date 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 date listed.)

-04-22

Filing date

-04-22

Publication date

-07-16

-04-22 Application filed by NANJING TEVA-CHEM Co Ltd filed Critical NANJING TEVA-CHEM Co Ltd

-04-22 Priority to CN.3A priority Critical patent/CNB/en

-07-16 Publication of CNA publication Critical patent/CNA/en

-06-29 Application granted granted Critical

-06-29 Publication of CNB publication Critical patent/CNB/en

Status Active legal-status Critical Current

-04-22 Anticipated expiration legal-status Critical

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• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 378
• alkyl benzenes Chemical class 0.000 title claims abstract description 71
• calcium Inorganic materials 0.000 title claims abstract description 49
• calcium Substances 0.000 title claims abstract description 49
• BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 title claims abstract description 48
• method Methods 0.000 title claims abstract description 26
• OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title abstract description 5
• VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 34
• calcium carbonate Inorganic materials 0.000 claims abstract description 17
• material Substances 0.000 claims abstract description 11
• chemical reaction Methods 0.000 claims abstract description 9
• filtrate Substances 0.000 claims abstract description 8
• raw material Substances 0.000 claims abstract description 8
• solution Substances 0.000 claims description 56
• condensation Methods 0.000 claims description 24
• condensation Effects 0.000 claims description 24
• filtration Methods 0.000 claims description 19
• recovery Methods 0.000 claims description 15
• liquid Substances 0.000 claims description 8
• aqueous solution Substances 0.000 claims description 2
• manufacturing process Methods 0.000 abstract description 12
• product Substances 0.000 abstract description 8
• energy consumption Methods 0.000 abstract description 7
• GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 abstract description 2
• benzenesulfonic acid Drugs 0.000 abstract 2
• gas Substances 0.000 description 13
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
• calcium salts Chemical class 0.000 description 6
• surface-active agent Substances 0.000 description 5
• HCWYXKWQOMTBKY-UHFFFAOYSA-N calcium;dodecyl benzenesulfonate Chemical compound [Ca].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 HCWYXKWQOMTBKY-UHFFFAOYSA-N 0.000 description 4
• concentrate Substances 0.000 description 4
• effects Effects 0.000 description 4
• neutralization reaction Methods 0.000 description 4
• solid Substances 0.000 description 4
• solvent Substances 0.000 description 4
• substance Substances 0.000 description 4
• agrochemical Substances 0.000 description 3
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
• calcium hydroxide Substances 0.000 description 3
• calcium hydroxide Inorganic materials 0.000 description 3
• impurity Substances 0.000 description 3
• preparation method Methods 0.000 description 3
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
• auxiliary agent Substances 0.000 description 2
• boiling Methods 0.000 description 2
• controlling effect Effects 0.000 description 2
• electricity Effects 0.000 description 2
• emulsifying agent Substances 0.000 description 2
• mixing Methods 0.000 description 2
• mixture Substances 0.000 description 2
• pesticide Substances 0.000 description 2
• synthetic method Methods 0.000 description 2
• thickening Effects 0.000 description 2
• LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
• Hypertonia Diseases 0.000 description 1
• active substance Substances 0.000 description 1
• alcohols Chemical class 0.000 description 1
• breast Anatomy 0.000 description 1
• byproduct Substances 0.000 description 1
• NVXIEDHPFHVZTC-UHFFFAOYSA-N calcium;methanol Chemical compound [Ca].OC NVXIEDHPFHVZTC-UHFFFAOYSA-N 0.000 description 1
• correlated effect Effects 0.000 description 1
• emulsifying effect Effects 0.000 description 1
• engineering process Methods 0.000 description 1
• fabric Substances 0.000 description 1
• ingredient Substances 0.000 description 1
• sedimentation Methods 0.000 description 1
• stone Substances 0.000 description 1
• titration Methods 0.000 description 1
• toxic gas Substances 0.000 description 1
• vaporization Methods 0.000 description 1
• vaporization Effects 0.000 description 1

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• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to a method for preparing a calcium alkylbenzene sulfonate methanol solution. The calcium alkylbenzene sulfonate methanol solution is prepared from the following raw materials in parts by weight: 1 part of alkyl benzene sulfonic acid, 0.15-0.19 part of calcium carbonate, and 0.46-0.67 part of methanol water solution of which the mass concentration is 82-88%. The calcium alkylbenzene sulfonate methanol solution is prepared from the alkyl benzene sulfonic acid and the calcium carbonate react in the methanol solution and then the reaction solution is filtered to obtain filtrate which reaches the content requirement of the product and does not need to be concentrated; therefore, the quality of the product can be ensured, material consumption and energy consumption also can be reduced, the production steps and the production time are reduced, and the yield is greatly improved.

Description

Single stage method is prepared the method for alkyl benzene calcium sulfonate methanol solution Technical field The present invention relates to pesticide field, be specifically related to the auxiliary agent in a kind of pesticide field, relate to more specifically the preparation method for the alkyl benzene calcium sulfonate methanol solution of inert ingredient. Background technology Calcium dodecylbenzene sulphonate (or alkyl benzene calcium sulfonate), is called for short calcium salt, code name " No. 500, agriculture breast ".It is a kind of oil soluble aniorfic surfactant with good emulsifying property, can be used as the auxiliary agent of most of agricultural chemicals with the be mixed mixed emulsifier that makes of nonionic surface active agent.That countries in the world produce most important kind in aniorfic surfactant for agricultural chemicals. Calcium dodecylbenzene sulphonate, its structural formula is as follows The sterling of calcium dodecylbenzene sulphonate is solid, is mixed and is only processed into solution and just can be mixed evenly with nonionic surface active agent.Because it belongs to oil soluble aniorfic surfactant, almost insoluble in water, but in alcohols, have good solubility, wherein in methyl alcohol, solvability is fine, add that methanol prices is low, therefore calcium dodecylbenzene sulphonate product generally be take methyl alcohol as solvent, make calcium salt methanol solution.The quality index of alkyl benzene calcium sulfonate methanol solution is referring to table 1 at present. Table 1 Alkyl benzene calcium sulfonate generally has following two kinds of synthetic methods: 1. alkyl benzene sulphonate (ABS) (abbreviation sulfonic acid) makes with calcium hydroxide neutralization reaction 2. alkyl benzene sulphonate (ABS) and calcium carbonate neutralization reaction make Above-mentioned synthetic method mainly adopts following three kinds of steps: 1. by alkyl benzene sulphonate (ABS) solubilizing agent methyl alcohol (or ethanol) and calcium hydroxide neutralization, concentrate and make after filtration. (consult the < < farm chemical emulgent > > Chemical Industry Press being write by Historic Area of Zhongshan in Nanjing City chemical plant and publish nineteen eighty-two, this book 115-116 page). 2. by alkyl benzene sulphonate (ABS) solubilizing agent methyl alcohol and calcium hydroxide, neutralize, through sedimentation layering, refilter concentrated making. (this method is the production method of Japanese Dong Bang KCC). 3. by alkyl benzene sulphonate (ABS) solubilizing agent methyl alcohol and calcium carbonate neutralization, concentrate and make after filtration. Layering and filtration for ease of alkyl benzene calcium sulfonate methanol solution, above three kinds of production stages all add a large amount of methyl alcohol, feed ratio is alkyl benzene sulphonate (ABS): methyl alcohol=1:2, make in the filtrate of alkyl benzene calcium sulfonate methanol solution working substance alkyl benzene sulphonate (ABS) calcium contents at 30-35%, filter out unreacted calcium carbonate and other solid impurity, all to boil off a part of methyl alcohol by concentrated, make the effective component content of alkyl benzene calcium sulfonate methanol solution reach correlated quality index.When concentrated, need to use thickening equipment-concentrated still kettle and condenser etc., need to use the energy consumptions such as a large amount of water, electricity, steam, increased cost, and the production time be long. Summary of the invention The invention reside in provides a kind of and not only can guarantee that in alkyl benzene calcium sulfonate methanol solution, effective component content is 58 – 72%, can also reduce material consumption energy consumption, reduces the method that production stage and the single stage method of production time are prepared alkyl benzene calcium sulfonate. Concrete technical scheme of the present invention is as follows: Single stage method is prepared the method for alkyl benzene calcium sulfonate methanol solution, and its raw material comprises following material according to parts by weight meter: 1 part of alkyl benzene sulphonate (ABS); Calcium carbonate 0.15-0.19 part; Mass concentration is 0.67 part of the methanol aqueous solution 0.46-of 82-88%. Adopt above-mentioned raw materials material to prepare the method for alkyl benzene calcium sulfonate methanol solution, comprise the steps: (1) alkyl benzene sulphonate (ABS) and calcium carbonate are joined in methanol solution, in being not more than under the condition of 60 ℃, react 50-90 minute; (2) material obtaining in step (1) is filtered, gained filtrate is the alkyl benzene calcium sulfonate methanol solution that effective component content is 58 – 72%. The formed methanol gas of reaction in step (1) is carried out to one-level condensation, the liquid obtaining after one-level condensation flow to Methanol Recovery groove, methanol gas remaining after one-level condensation is carried out B-grade condensation, and the liquid after B-grade condensation flow to Methanol Recovery groove, and the gas after B-grade condensation is discharged. In step (1), alkyl benzene sulphonate (ABS) and calcium carbonate are joined in methanol solution, under the condition of 50-60 ℃, react 50-90 minute.Temperature of reaction during higher than 60 ℃ methyl alcohol easily vaporization cause loss, temperature is too low, reaction is slow and need the increase time, therefore under the condition of 50-60 ℃, react 50-90 minute more suitable. During filtration, pressure is high, and filtration time is short, but hypertonia can be pressed filter cloth logical damaging by pressure, and the pressure while preferably filtering is 0.05-0.3MPa. Time during filtration is 40-150 minute, and filtering the alkyl benzene calcium sulfonate methanol solution obtaining is 60 types. Time during filtration is 100-240 minute, and filtering the alkyl benzene calcium sulfonate methanol solution obtaining is 70 types. Alkyl benzene calcium sulfonate methanol solution of the present invention adopts alkyl benzene sulphonate (ABS) and calcium carbonate to react and make by filtration in methanol solution, and gained filtrate reach the desired content of product, do not need to concentrate.Not only can guarantee the quality of product, can also reduce material consumption energy consumption, reduce production stage and production time, greatly improve output. Because the boiling point of methyl alcohol is 65 ℃, and the methanol gas forming in ℃ reaction of temperature of reaction≤60 of the present invention is few, then by condensed in two stages, methanol gas is substantially recyclable.If but adopted existing enrichment process, its concentrated temperature must surpass 65 ℃ of the boiling points of methyl alcohol, even if methanol gas by condensed in two stages, still has minimum gas discharge. Compared with prior art, tool has the following advantages in the present invention: 1. in preparation method of the present invention, the consumption of methyl alcohol reduces greatly, three kinds of methods are in the past because first making rare calcium salt (content is at 30-35%), feed ratio is alkyl benzene sulphonate (ABS): methyl alcohol=1:2, and feed ratio of the present invention is alkyl benzene sulphonate (ABS): methyl alcohol=1:0.46-0.67. 2. preparation method of the present invention saves enrichment process, saves thickening equipment-concentrated still kettle and condenser etc., thereby has also saved the energy consumptions such as water, electricity, steam, has reduced cost; The noxious gas emission that while also having avoided concentrated, methyl alcohol volatilization causes. 3. the present invention reduces its viscosity by the water content of controlling in methanol solution, and the filter effect of alkyl benzene calcium sulfonate methanol solution is accelerated.And methanol solution reaches this water content and can add and reclaim methyl alcohol (this reclaims methyl alcohol by product that to be agricultural chemicals be mixed while producing with mixed emulsifier, the water content that reclaims methyl alcohol is about 10-25%), the add-on that reclaims methyl alcohol is the methyl alcohol consumption 50-80% of (in mass), and the comprehensive utilization of methyl alcohol greatly reduces cost. Accompanying drawing explanation Fig. 1 is the process flow sheet that single stage method of the present invention is prepared alkyl benzene calcium sulfonate methanol solution. Embodiment The effective component content of alkyl benzene calcium sulfonate methanol solution refers to the per-cent that calcium salt content in alkyl benzene calcium sulfonate methanol solution accounts for alkyl benzene calcium sulfonate methanol solution total mass. The effective component content of alkyl benzene calcium sulfonate methanol solution adopts the direct two-phase titration > > of < < to measure according to GB-.Rotary viscosity adopts < < tensio-active agent to measure with the method > > that rotational viscosimeter is measured viscosity and flowing property according to GB/T-94. Table 1 is for producing charging capacity and the qualitative data thereof of the raw material of 60 type alkyl benzene calcium sulfonate methanol solutions. Referring to Fig. 1, the method that the raw material of employing embodiment 1 to embodiment 8 is prepared alkyl benzene calcium sulfonate methanol solution is as follows: (1) alkyl benzene sulphonate (ABS), calcium carbonate, methyl alcohol (comprise anhydrous methanol and reclaim methyl alcohol) are joined in and in still, mix, under 50-60 ℃ of condition, react 50-90 minute; (2) adopt pressure filter to filter the material obtaining in step (1), pressure during filtration is 0.05-0.3MPa, and filtration time is 40-150 minute; Filter residue is unreacted calcium carbonate and other solid impurity, and gained filtrate is alkyl benzene calcium sulfonate methanol solution, flow to calcium salt pan tank. To the formed methanol gas of reaction in step (1), adopt vacuum cooler-condenser to carry out one-level condensation, the liquid obtaining after one-level condensation flow to Methanol Recovery groove, after one-level condensation, remaining methanol gas enters condenser by vacuum pump and carries out B-grade condensation, liquid after B-grade condensation flow to Methanol Recovery groove, and the gas after B-grade condensation is discharged.Recovery methyl alcohol in Methanol Recovery groove can be for mixing use with anhydrous methanol in step (1). As can be seen from Table 1: 1, add in a large number the mass concentration that reclaims methyl alcohol control methanol solution to kill two birds with one stone, both having guaranteed has a certain amount of moisture in alkyl benzene calcium sulfonate methanol solution, to play comprehensive utilization, reclaims the effect that methyl alcohol reduces costs; But also can reduce the usage quantity of methyl alcohol, making original alkyl benzene sulphonate (ABS) and methyl alcohol feed ratio is that 1:2 is reduced to 1:0.46-0.67. 2, the add-on that reclaims methyl alcohol can reclaim water content height in methyl alcohol and suitably add less according to its content and water content adjusting, and the mass concentration that makes methanol solution is 82-88%. 3,60 type alkyl benzene calcium sulfonate methanol solutions are when water content 6-7%, and rotary viscosity is between 34-40mpa.s. Table 2 is for producing charging capacity and the qualitative data thereof of the raw material of 70 type alkyl benzene calcium sulfonate methanol solutions. Referring to Fig. 1, the method that the raw material of employing embodiment 9 to embodiment 16 is prepared alkyl benzene calcium sulfonate methanol solution is as follows: (1) alkyl benzene sulphonate (ABS), calcium carbonate, methyl alcohol (comprise anhydrous methanol and reclaim methyl alcohol) are joined in and in still, mix, under 50-60 ℃ of condition, react 50-90 minute; (2) adopt pressure filter to filter the material obtaining in step (1), pressure during filtration is 0.05-0.3MPa, and filtration time is 100-240 minute; Filter residue is unreacted calcium carbonate and other solid impurity, and gained filtrate is alkyl benzene calcium sulfonate methanol solution, flow to calcium salt pan tank. To the formed methanol gas of reaction in step (1), adopt vacuum cooler-condenser to carry out one-level condensation, the liquid obtaining after one-level condensation flow to Methanol Recovery groove, after one-level condensation, remaining methanol gas enters condenser by vacuum pump and carries out B-grade condensation, liquid after B-grade condensation flow to Methanol Recovery groove, and the gas after B-grade condensation is discharged.Recovery methyl alcohol in Methanol Recovery groove can be for mixing use with anhydrous methanol in step (1). As can be seen from Table 2: 1, same with 60 type alkyl benzene calcium sulfonate methanol solution products, in 70 types, add in a large number recovery methyl alcohol to guarantee there is a certain amount of moisture in alkyl benzene calcium sulfonate methanol solution, to play comprehensive utilization, reclaim the effect that methyl alcohol reduces costs; But also can reduce the usage quantity of methyl alcohol, making original alkyl benzene sulphonate (ABS) and methyl alcohol feed ratio is that 1:2 is reduced to 1:0.46-0.67. 2, the recovery methyl alcohol water content adding in 70 type alkyl benzene calcium sulfonate methanol solution products can also be higher, and usage ratio is also more some more, and the mass concentration that makes methanol solution is 82-88%. 3,70 type calcium salts are when water content 7.1-7.6%, rotary viscosity between 180-200mpa.s, In sum, alkyl benzene calcium sulfonate methanol solution of the present invention adopts alkyl benzene sulphonate (ABS) and calcium carbonate to react and make by filtration in methanol solution, and gained filtrate is the alkyl benzene calcium sulfonate methanol solution that effective component content is 58 – 72%, does not need to concentrate.Not only can guarantee the quality of product, can also reduce material consumption energy consumption, reduce production stage and production time, greatly improve output.By the water content of controlling in methanol solution, reduce its viscosity, the filter effect of alkyl benzene calcium sulfonate methanol solution is accelerated, reduce the production time, reduced energy consumption.And methanol solution reaches this water content, can add recovery methyl alcohol, the comprehensive utilization of methyl alcohol greatly reduces cost.

Claims (7)

1. single stage method is prepared the method for alkyl benzene calcium sulfonate methanol solution, it is characterized in that its raw material comprises following material according to parts by weight meter: 1 part of alkyl benzene sulphonate (ABS); Calcium carbonate 0.15-0.19 part; Mass concentration is 0.67 part of the methanol aqueous solution 0.46-of 82-88%. 2. the method for preparing alkyl benzene calcium sulfonate methanol solution according to claim 1, is characterized in that comprising the steps: (1) alkyl benzene sulphonate (ABS) and calcium carbonate are joined in methanol solution, in being not more than under the condition of 60 ℃, react 50-90 minute; (2) material obtaining in step (1) is filtered, gained filtrate is the alkyl benzene calcium sulfonate methanol solution that effective component content is 58 – 72%. 3. the method for preparing alkyl benzene calcium sulfonate methanol solution according to claim 2, it is characterized in that the formed methanol gas of reaction in step (1) to carry out one-level condensation, the liquid obtaining after one-level condensation flow to Methanol Recovery groove, methanol gas remaining after one-level condensation is carried out B-grade condensation, liquid after B-grade condensation flow to Methanol Recovery groove, and the gas after B-grade condensation is discharged. 4. according to the method for preparing alkyl benzene calcium sulfonate methanol solution described in claim 2 or 3, it is characterized in that, in step (1), alkyl benzene sulphonate (ABS) and calcium carbonate being joined in methanol solution, under the condition of 50-60 ℃, react 50-90 minute. 5. the method for preparing alkyl benzene calcium sulfonate methanol solution according to claim 4, the pressure while it is characterized in that filtering is 0.05-0.3MPa. 6. the method for preparing alkyl benzene calcium sulfonate methanol solution according to claim 5, the time while it is characterized in that filtering is 40-150 minute. 7. the method for preparing alkyl benzene calcium sulfonate methanol solution according to claim 5, the time while it is characterized in that filtering is 100-240 minute. CN.3A -04-22 -04-22 One-step method prepares the method for alkyl benzene calcium sulfonate methanol solution Active CNB (en)

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Cited By (4)

* Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title CNA (en) * -12-11 -06-20 成都华为技术有限公司 The distribution method and device of a kind of service node CNA (en) * -06-29 -10-08 无锡颐景丰科技有限公司 Method for directly preparing anhydrous calcium dodecyl benzene sulfonate and product CNA (en) * -08-26 -05-09 山东天道生物工程有限公司 Calcium dodecyl benzene sulfonate and preparation method thereof CNA (en) * -08-11 -11-14 安徽金桐精细化学有限公司 Preparation method of calcium dodecyl benzene sulfonate

Citations (6)

* Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title JPSA (en) * -10-13 -04-21 Toho Chem Ind Co Ltd Uniform liquid mixed agricultural chemical composition CNA (en) * -12-06 -10-02 齐正良 Method of prodn. of solid sole fonate 102 and produced farm chemical emulgent CNA (en) * -11-22 -05-07 南京新飞源实业公司 New technique for preparing anhydrous dodecyl benzene sulfonic acid calcium by using method of demulsifier EPB1 (en) * -03-27 -03-10 The Lubrizol Corporation A process for making overbased calcium sulfonate detergents JPA (en) * -07-29 -03-08 Inoue Sekkai Kogyo Kk Method for producing high concentration Bordeaux liquid composition CNA (en) * -06-20 -12-10 辽宁天合精细化工股份有限公司 Method for preparing high-alkali value (TBN300) synthesized calcium alkyl benzene sulfonate

• • -04-22 CN CN.3A patent/CNB/en active Active

Patent Citations (6)

* Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title JPSA (en) * -10-13 -04-21 Toho Chem Ind Co Ltd Uniform liquid mixed agricultural chemical composition CNA (en) * -12-06 -10-02 齐正良 Method of prodn. of solid sole fonate 102 and produced farm chemical emulgent EPB1 (en) * -03-27 -03-10 The Lubrizol Corporation A process for making overbased calcium sulfonate detergents CNA (en) * -11-22 -05-07 南京新飞源实业公司 New technique for preparing anhydrous dodecyl benzene sulfonic acid calcium by using method of demulsifier JPA (en) * -07-29 -03-08 Inoue Sekkai Kogyo Kk Method for producing high concentration Bordeaux liquid composition CNA (en) * -06-20 -12-10 辽宁天合精细化工股份有限公司 Method for preparing high-alkali value (TBN300) synthesized calcium alkyl benzene sulfonate

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party Title 南京钟山化工厂: "《农药乳化剂》", 31 December , article "烷基苯磺酸的中和" * 程辉杰等: "TBN超高碱值合成磺酸钙清洁剂的研制", 《润滑油》, vol. 21, no. 5, 31 October (-10-31) *

Cited By (5)

* Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title CNA (en) * -12-11 -06-20 成都华为技术有限公司 The distribution method and device of a kind of service node CNA (en) * -06-29 -10-08 无锡颐景丰科技有限公司 Method for directly preparing anhydrous calcium dodecyl benzene sulfonate and product CNA (en) * -08-26 -05-09 山东天道生物工程有限公司 Calcium dodecyl benzene sulfonate and preparation method thereof CNB (en) * -08-26 -07-09 山东天道生物工程有限公司 Calcium dodecyl benzene sulfonate and preparation method thereof CNA (en) * -08-11 -11-14 安徽金桐精细化学有限公司 Preparation method of calcium dodecyl benzene sulfonate

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