CN101967209A - N-acetylethylenediamine chelate resin and preparation method thereof - Google Patents
N-acetylethylenediamine chelate resin and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an N-acetylethylenediamine chelate resin and a preparation method thereof, belonging to the field of chelate resin. The constructional unit is shown in the specification, wherein the functional group is N-acetylethylenediamine; and the content of the functional group is 0.71-1.39mmol/g. The preparation method of the resin comprises the following steps: preparing a white ball; preparing a chlorine ball; extracting the chlorine ball through a soxhletextractor; then taking N,N-dimethylformamide as sweller, adding 2-aminothiazole-4-ethyl acetate potassium carbonate, and stirring for reaction to obtain faint yellow 2-aminothiazole-4-ethyl acetate based resin; washing the obtained resin; adding ethylenediamine solution; condensing and reacting; and filtering and drying to obtain the N-acetylethylenediamine chelate resin. The resin provided by the invention can selectively adsorb and separate heavy metal ions, such as Cu<2+> and the like, has wide applications in the fields of mining and metallurgy production mother solution extraction, production waste water management, heavy metal separation and preenrichment in the environmental analysis and the like.
Description
Technical field
The present invention relates to a kind of resin and synthetic method thereof, specifically, be meant a kind of N-acetylethylenediamine resin and preparation method thereof.
Background technology
Polyethylene polyamine class resin is a class nitrogen-atoms coordinate superpolymer, by lone-pair electron on the nitrogen and metal ion effect, can form complex compound with contents of many kinds of heavy metal ion, especially the transition group heavy metal ion be had excellent adsorption performance and adsorption selectivity.The polyethylene polyamine resinoid of report is bigger to the loading capacity of metal ion at present, but for special metal ionic adsorption selectivity deficiency in the polycomponent solution.Employing epoxy chloropropane such as domestic grandson Xiang Rong carry out the back crosslinking reaction to the triethylene tetramine crosslinked polystyrene, and the gained resin obviously improves the selectivity of cupric ion.Bibliographical information is that to be better than with polyethyene diamine be unitary aminoresin for the quadrol resin absorption performance of chain unit with the polyoxyethylene glycol; Increase oxyethyl chain joint number amount and Sauerstoffatom is replaced with sulphur atom, resin significantly improves the loading capacity of gold.As seen, for polyethylene polyamine class resin, zip length between substituting group and parent and chain link kind have a significant effect for the absorption property of resin, therefore can improve the absorption property of heavy metal by the classification of regulating chain length and chain unit, enrichment target heavy metal, the adsorption selectivity of raising resin.
Literature search shows, is matrix with the chlorine ball, and the synthetic method of the resin by the ester group bonding quadrol on the thiazole ring is not appeared in the newspapers.
Summary of the invention
The purpose of this invention is to provide a kind of N-acetylethylenediamine resin and preparation method thereof, can synthesize the resin that has N-acetylethylenediamine structure, cupric ion is had special adsorption selectivity by the present invention.
Technical scheme of the present invention is as follows:
A kind of N-acetylethylenediamine resin, its structural unit is as follows:
From structural unit, contain functional group as can be seen in the resin: N-acetylethylenediamine and thiazole ring, and the sequestering action Adsorption of Heavy Metal Ions by nitrogen, Sauerstoffatom.This resin may form the ring-type chelate structure by nitrogen-atoms on the group and Sauerstoffatom:
Described N-acetylethylenediamine resin chemical functional group content is 0.71～1.39mmol/g.
A kind of preparation method of N-acetylethylenediamine resin comprises following step:
(a) utilize vinylbenzene to make monomer, divinylbenzene is made linking agent, utilize one or both the mixed pore-creating agents of doing in liquid wax or No. 200 solvent oils, use magnesiumcarbonate, gelatin, the mixed dispersion agent of doing of in the polyvinyl alcohol one or more, make initiator with benzoyl peroxide, adopt suspension polymerization, preparation low crosslinking degree macropore styrene-divinylbenzene copolymer, select steam distillation or ethanol for use, acetone, industrial spirit, low boiling point solvent gasoline is made solvent extraction, remove residual pore-creating agent in the resin duct, obtain low cross-linking macroporous polystyrene-divinylbenzene resin through air stream drying again, hereinafter to be referred as Archon;
(b) Archon is soaked in the chloromethyl ether of 4～7 times of its weight, 20～50% the zinc chloride that adds Archon weight is made catalyzer, under 25～55 ℃ of temperature, carry out chloromethylation, reach 10% above stopped reaction up to cl content, leach the resin spheroid, water or ethanol, acetone are washed chlorination mother solution remaining in the most resin, and air stream drying obtains chloromethylation low cross-linking macroporous polystyrene-divinylbenzene resin, hereinafter to be referred as the chlorine ball;
(c) after the step (b), generally through Soxhlet extractor extracting 4～8 hours, then with N, dinethylformamide is a swelling agent, under 85 ℃, adds the reaction of thiazolamine-4-ethyl acetate and salt of wormwood, go into thiazolamine-4-ethyl acetate consumption and be 2～5 times of weight resin, the salt of wormwood consumption is 1～2 times of weight resin, and stirring reaction 6～24h can get faint yellow resin.
(d) with after the resin washing and drying that obtains in the step (c), add the ethylenediamine solution of 15～30 times of weight resins, at 125 ℃ of reaction 24～30h, suction filtration also washs the dry N-acetylethylenediamine resin that gets.
Among the preparation method of described resin, it is characterized in that step (c) reaction times temperature of reaction is controlled at 85 ℃ of steps, (d) reaction times at 24～30h, temperature of reaction is controlled at 125 ℃.By adding the consumption and the reaction times of reagent in the control reaction, can make serial resin.Usually determine other conditions, the reaction times is longer, and then the surface group number is bigger; The consumption of reagent is bigger, and the surface group of the resin of gained the more.
Beneficial effect
The invention discloses a kind of N-acetylethylenediamine resin and preparation method thereof, resin provided by the invention can carry out the selectivity fractionation by adsorption to heavy metal ion such as Cu2+.Atom pairs heavy metals such as contained N, O performance chelating coordination.The present invention adopts thiazolamine-4-ethyl acetate and the ethylene diamine-modified N-acetylethylenediamine resin that obtains; contained group can form the higher complex compound of stability constant with some heavy metal; have higher adsorption selectivity, fields such as the separation of heavy metal and pre-concentration have extensive use in mining and metallurgy production mother liquor purification and factory effluent improvement and environmental analysis.
Embodiment
Further specify the present invention by the following examples.
Embodiment 1
(a) suspension polymerization
Styrene monomer adds a certain amount of diluted sodium hydroxide solution or monomer is directly filtered to remove stopper through the resin column that strong anion-exchange resin is housed.
In the 1000mL beaker, add 210g vinylbenzene, the 26g divinylbenzene, the 140g whiteruss, the back that stirs is standby.
In the 1000mL there-necked flask, add 600g distilled water and be warming up to 40 ℃, add the 6g gelatin again, be stirred to dissolving fully, be warming up to 50 ℃ simultaneously, add the 2mL methylene blue, stir, add the mixed liquid of above-mentioned vinylbenzene, divinylbenzene and liquid wax, add initiator benzoyl peroxide 4.0g; Adjust suitable stirring velocity and make the oil droplet size to fit, progressively be warming up to 80 ℃ with the speed of 1 ℃/6min, and insulation 4h, progressively be warming up to 85 ℃ of insulation 3h again, 90 ℃ of insulation 2h, 95 ℃ of insulation 4h, reaction finishes, and leaches resin, uses earlier hot wash, leach resin, dry, the Soxhlet extractor of packing into, clean with the acetone extracting, air stream drying sieves, and the resin of getting suitable particle size is standby.
(b) chloromethylation
In the 2000mL there-necked flask, add the 300g Archon, the 1200g chloromethyl ether soaks more than the 2h down in 20～25 ℃, stir down, add the 150g zinc chloride, controlled temperature is not higher than 25 ℃, behind the stirring 1h, be warming up to 38 ℃, insulation 8～12h, the control cl content can finish reaction more than 10%.
Reaction leaches the resin spheroid after finishing, and washing back extracting resin washes with water to neutrality again, and air stream drying obtains the chlorine ball.
(c) nucleophilic substitution reaction
In the 250mL there-necked flask, add the prepared chloromethyl resin 8g of step (b), with the DMF swelling 4h of 150ml; Add thiazolamine-4-ethyl acetate 20g, Anhydrous potassium carbonate 10g is warming up to 65 ℃ then, stirs, and reaction 20h leaches resin, water, acetone, water washing successively, and oven dry can make the resin that contains the ester group structure.
(d) nucleophilic substitution reaction
In the 250mL there-necked flask, add the prepared resin 8g of step (c), quadrol 150mL, condensing reflux reaction 30h under 115 ℃ of conditions, suction filtration and washing, washing with acetone, washing get N-acetylethylenediamine resin after the drying.
Embodiment 2
The synthesis step of another embodiment of the present invention is as follows:
(a) suspension polymerization
Utilize vinylbenzene to make monomer, divinylbenzene is made linking agent, utilize No. 200 solvent oils to make pore-creating agent, make dispersion agent, make initiator with benzoyl peroxide with gelatin, adopt suspension polymerization, synthetic low crosslinking degree macroporous polystyrene-divinylbenzene copolymer selects for use ethanol (or acetone, industrial spirit, low boiling point solvent gasoline) to make solvent extraction, removes residual pore-creating agent in the resin duct, obtain low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. Archon through air stream drying again.
Wherein dosage of crosslinking agent is 7% of monomer and a linking agent total amount, and the pore-creating agent consumption is 100% of a monomer weight, and the degree of crosslinking of low cross-linking macroporous polystyrene is 10%.
(b) chloromethylation
Archon is soaked in the chloromethyl ether of 4 times of its weight, 20% the zinc chloride that adds Archon weight is made catalyzer, when 35 ℃ of temperature, carry out chloromethylation, reach 10% above stopped reaction up to cl content, leach the resin spheroid, wash chlorination mother solution remaining in the most resin with water, air stream drying obtains chloromethylation low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. chlorine ball.
(c) nucleophilic substitution reaction
With the prepared chlorine ball 15g of the DMF swelling step (b) of 300ml; Add 42g thiazolamine-4-ethyl acetate behind the 4h, the 15g Anhydrous potassium carbonate is warming up to 85 ℃, stirs, and reaction 8h leaches resin, successively water, acetone, water washing.
(d) nucleophilic substitution reaction
Add the prepared resin 15g of step (c), ethylenediamine solution 300mL in the 500mL there-necked flask, be warming up to 125 ℃ and condensing reflux 24h then, suction filtration, washing, washing with acetone, washing get N-acetylethylenediamine resin after the drying.
Embodiment 3:
The synthesis step of another embodiment of the present invention is as follows:
(a) suspension polymerization
Utilize vinylbenzene to make monomer, divinylbenzene is made linking agent, utilize No. 200 solvent oils to make pore-creating agent, make dispersion agent, make initiator with benzoyl peroxide with magnesiumcarbonate, adopt suspension polymerization, synthetic low crosslinking degree macroporous polystyrene-divinylbenzene copolymer is selected wet distillation for use, removes residual pore-creating agent in the resin duct, obtain low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. Archon through air stream drying again.
Wherein dosage of crosslinking agent is 8% of monomer and a linking agent total amount, and the pore-creating agent consumption is 40% of a monomer weight, and the degree of crosslinking of low cross-linking macroporous polystyrene is 2%.
(b) chloromethylation
Archon is soaked in the chloromethyl ether of 7 times of its weight, 50% the zinc chloride that adds Archon weight is made catalyzer, in 40 ℃ of temperature, carry out chloromethylation, reach 10% above stopped reaction up to cl content, leach the resin spheroid, wash chlorination mother solution remaining in the most resin with acetone, air stream drying obtains chloromethylation low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. chlorine ball.
(c) nucleophilic substitution reaction
In the 500mL there-necked flask, add chlorine ball 10g, and with 250mlDMF swelling 4h; Add thiazolamine-4-ethyl acetate 20g, Anhydrous potassium carbonate 12g is warming up to 80 ℃ then, stirs, and reaction 6h leaches resin, successively water, acetone, water washing.
(d) nucleophilic substitution reaction
In the 250mL there-necked flask, add the prepared resin 10g of step (c), quadrol 200mL, condensing reflux reaction 30h under 120 ℃ of conditions, suction filtration, washing, washing with acetone, washing get N-acetylethylenediamine resin after the drying.
The constitutional features such as the following table of this technology synthetic N-acetylethylenediamine resin:
The key technical indexes is as follows: (Resin A, B and C be corresponding case study on implementation 1,2,3 prepared resins respectively)
Embodiment 4:
The synthesis step of another embodiment of the present invention is as follows:
(b) suspension polymerization
Utilize vinylbenzene to make monomer, divinylbenzene is made linking agent, utilize liquid wax to make pore-creating agent, make dispersion agent, make initiator with benzoyl peroxide with polyvinyl alcohol, adopt suspension polymerization, synthetic low crosslinking degree macroporous polystyrene-divinylbenzene copolymer selects for use ethanol to do solvent extraction, removes residual pore-creating agent in the resin duct, obtain low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. Archon through air stream drying again.
Wherein dosage of crosslinking agent is 4% of monomer and a linking agent total amount, and the pore-creating agent consumption is 40% of a monomer weight, and the degree of crosslinking of low cross-linking macroporous polystyrene is 2%.
(b) chloromethylation
Archon is soaked in the chloromethyl ether of 4 times of its weight, 20% the zinc chloride that adds Archon weight is made catalyzer, in 35 ℃ of temperature, carry out chloromethylation, reach 10% above stopped reaction up to cl content, leach the resin spheroid, wash chlorination mother solution remaining in the most resin with ethanol, air stream drying obtains chloromethylation low cross-linking macroporous polystyrene-divinylbenzene resin, i.e. chlorine ball.
(c) nucleophilic substitution reaction
Add 600ml swelling agent DMF in the there-necked flask that 25g chlorine ball is housed, add reagent thiazolamine-4-ethyl acetate behind the 6h, consumption is 2 times of weight resin, Anhydrous potassium carbonate 25g, stirring reaction 12h under 70 ℃ of conditions leaches resin, successively water, acetone, water washing.
(d) nucleophilic substitution reaction
In the 1000mL there-necked flask, add the prepared resin 20g of step (c), quadrol 700mL is warming up to 110 ℃ and condensing reflux 20h, and suction filtration, washing, washing with acetone, washing get N-acetylethylenediamine resin after the drying.
Claims (6)
1. N-acetylethylenediamine resin is characterized in that its structural unit is as follows:
2. a kind of N-acetylethylenediamine resin according to claim 1 is characterized in that functional group is the N-acetylethylenediamine, and functional group content is 0.71～1.39mmol/g.
3. the preparation method of a N-acetylethylenediamine resin is characterized in that comprising following step:
(a) utilize vinylbenzene to make monomer, divinylbenzene is made linking agent, utilize one or both the mixed pore-creating agents of doing in liquid wax or the 200# solvent oil, use magnesiumcarbonate, gelatin, the mixed dispersion agent of doing of in the polyvinyl alcohol one or more, make initiator with benzoyl peroxide, adopt suspension polymerization, preparation low crosslinking degree macropore styrene-divinylbenzene copolymer, select steam distillation or ethanol for use, acetone, industrial spirit, low boiling point solvent gasoline is made solvent extraction, remove residual pore-creating agent in the resin duct, obtain low cross-linking macroporous polystyrene-divinylbenzene resin through air stream drying again, hereinafter to be referred as Archon;
(b) Archon is soaked in the chloromethyl ether of 4～7 times of its weight, 20～50% the zinc chloride that adds Archon weight is made catalyzer, under 25～55 ℃ of temperature, carry out chloromethylation, reach 10% above stopped reaction up to cl content, leach the resin spheroid, water or ethanol, acetone are washed chlorination mother solution remaining in the most resin, and air stream drying obtains chloromethylation low cross-linking macroporous polystyrene-divinylbenzene resin, hereinafter to be referred as the chlorine ball;
(c) after the step (b), through Soxhlet extractor extracting 4～8 hours, then with N, dinethylformamide is a swelling agent, thiazolamine-4-ethyl acetate that the adding weight resin is 2～5 times and 1～5 times salt of wormwood can get faint yellow thiazolamine-4-ethyl acetate base resin at 40～100 ℃ of following stirring reaction 6～24h;
(d) with after the resin washing that obtains in the step (c), add ethylenediamine solution, consumption is 20～50 times of weight resin, and in 105～125 ℃ of condensation reaction 20～30h, suction filtration also washs the dry N-acetylethylenediamine resin that gets.
4. according to the preparation method of a kind of N-acetylethylenediamine resin described in the claim 3; it is characterized in that in the step (a); dosage of crosslinking agent is 4～12% of monomer and a linking agent total amount during preparation Archon; the pore-creating agent consumption is 40～100% of a monomer weight, and the degree of crosslinking of the low cross-linking macroporous polystyrene that makes is 2～10%.
5. according to the preparation method of a kind of N-acetylethylenediamine resin described in claim 3 or 4, it is characterized in that controlling reaction time is 8～18h in the step (b), obtain the chlorine ball of different cl contenies.
6. according to the preparation method of a kind of N-acetylethylenediamine resin described in claim 3 or 4, it is characterized in that in the step (c), control reaction temperature is 40～85 ℃.
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| CN102295723A (en) * | 2011-05-24 | 2011-12-28 | 南京大学 | 6-aminopyridine-3-carboxylic acid chelating resin and its preparation method |
| CN102516425A (en) * | 2011-10-14 | 2012-06-27 | 淮海工学院 | Super chelate type ion exchange resin, preparation method thereof, and application thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741796A (en) * | 1994-05-27 | 1998-04-21 | Merck & Co., Inc. | Pyridyl and naphthyridyl compounds for inhibiting osteoclast-mediated bone resorption |
| WO1998047887A1 (en) * | 1997-04-18 | 1998-10-29 | Taiho Pharmaceutical Co., Ltd. | Novel epoxysuccinamide derivatives or salts thereof |
| US20030162764A1 (en) * | 2001-12-20 | 2003-08-28 | Arlindo Castelhano | Pyrimidine A2b selective antagonist compounds, their synthesis and use |
| CN101513402A (en) * | 2001-08-10 | 2009-08-26 | 盐野义制药株式会社 | Antiviral agent |
-
2010
- 2010-10-20 CN CN201010512734XA patent/CN101967209B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741796A (en) * | 1994-05-27 | 1998-04-21 | Merck & Co., Inc. | Pyridyl and naphthyridyl compounds for inhibiting osteoclast-mediated bone resorption |
| WO1998047887A1 (en) * | 1997-04-18 | 1998-10-29 | Taiho Pharmaceutical Co., Ltd. | Novel epoxysuccinamide derivatives or salts thereof |
| CN101513402A (en) * | 2001-08-10 | 2009-08-26 | 盐野义制药株式会社 | Antiviral agent |
| US20030162764A1 (en) * | 2001-12-20 | 2003-08-28 | Arlindo Castelhano | Pyrimidine A2b selective antagonist compounds, their synthesis and use |
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| CN102295723A (en) * | 2011-05-24 | 2011-12-28 | 南京大学 | 6-aminopyridine-3-carboxylic acid chelating resin and its preparation method |
| CN102295723B (en) * | 2011-05-24 | 2013-03-27 | 南京大学 | 6-aminopyridine-3-carboxylic acid chelating resin and its preparation method |
| CN102516425A (en) * | 2011-10-14 | 2012-06-27 | 淮海工学院 | Super chelate type ion exchange resin, preparation method thereof, and application thereof |
| CN102516425B (en) * | 2011-10-14 | 2013-06-19 | 淮海工学院 | Super chelate type ion exchange resin, preparation method thereof, and application thereof |
| CN102773081A (en) * | 2012-07-04 | 2012-11-14 | 浙江工商大学 | Preparation method of polyacrylonitrile chelating resin adsorbent |
| CN102773081B (en) * | 2012-07-04 | 2013-12-04 | 浙江工商大学 | Preparation method of polyacrylonitrile chelating resin adsorbent |
| CN102815765A (en) * | 2012-08-30 | 2012-12-12 | 中国石油天然气股份有限公司 | Deep softening method of thick oil sewage |
| CN103979639A (en) * | 2014-05-13 | 2014-08-13 | 南京大学 | Method of reinforcement removal and selective recovery of heavy metal ions in salt-containing waste water by utilization of chelate resin |
| CN104231141A (en) * | 2014-08-29 | 2014-12-24 | 西安蓝晓科技新材料股份有限公司 | Amino nitrogen heterocyclic ring resin and preparation method thereof |
| CN104231141B (en) * | 2014-08-29 | 2017-03-29 | 西安蓝晓科技新材料股份有限公司 | A kind of amino nitrogen heterocyclic ring resin and preparation method thereof |
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| CN108467510A (en) * | 2018-06-22 | 2018-08-31 | 陕西蓝深特种树脂有限公司 | A kind of polysilicon removal of impurities chelating resin and its synthetic method |
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