CN107185600A - A kind of preparation technology of groundwater treatment macroporous anion exchange resin - Google Patents
A kind of preparation technology of groundwater treatment macroporous anion exchange resin Download PDFInfo
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- CN107185600A CN107185600A CN201710322250.0A CN201710322250A CN107185600A CN 107185600 A CN107185600 A CN 107185600A CN 201710322250 A CN201710322250 A CN 201710322250A CN 107185600 A CN107185600 A CN 107185600A
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/12—Macromolecular compounds
- B01J41/14—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
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- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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Abstract
The invention discloses a kind of preparation technology of groundwater treatment macroporous anion exchange resin, it comprises the following steps：Macropore chloromethylated polystyrene resin is sent into absolute ethyl alcohol and is swelled, alcohol amine compound, urea complex is added, in 55 65 DEG C of stirrings of temperature, cooled, washing obtains first material；In ice-water bath, thionyl chloride is added dropwise into first material, 55 65 DEG C of insulations are warming up to, cools, washs, filtering obtains second material；Second material is sent into DMF and is swelled, trimethylamine reaction is added, obtains groundwater treatment macroporous anion exchange resin.Inventive article exchange capacity is big, can meet demand of the sewage disposal process to exchange capacity, is not required to frequently replacing, and cost is low.
Description
Technical field
Exchanged the present invention relates to ion-exchange resin technique field, more particularly to a kind of groundwater treatment with large pore anion
The preparation technology of resin.
Background technology
Water is Source of life, is the important substance in organism, and good water quality has very to biological and human health
Contain plurality of heavy metal ion in important meaning, water, harm to the human body is larger.
In some area especially remote mountain areas and rural area, underground water by main drinking water source of underground water of northern China
In content of beary metal severe overweight.Drink for a long time these contain plurality of heavy metal ion underground water can cause to suffer from diarrhoea, be dehydrated and
Gastrointestinal disturbance, how to reduce and remove the heavy metal ion content in these regional underground water is to ensure local resident's body and mind
The task of top priority of health, anion exchange resin is widely used, but anion exchange resin due to exchange capacity it is small, meet not
Water treatment procedure, it is necessary to frequently change, is wasted time and energy, cost is high to the demand of exchange capacity.
The content of the invention
The present invention proposes a kind of preparation technology of groundwater treatment macroporous anion exchange resin, product exchange capacity
Greatly, demand of the sewage disposal process to exchange capacity can be met, frequently replacing is not required to, cost is low.
A kind of preparation technology of groundwater treatment macroporous anion exchange resin proposed by the present invention, including following step
Suddenly：
S1, macropore chloromethylated polystyrene resin sent into absolute ethyl alcohol and be swelled, add alcohol amine compound, urea multiple
Compound, in 55-65 DEG C of stirring of temperature, cools, washing obtains first material；
S2, in ice-water bath, thionyl chloride is added dropwise into first material, 55-65 DEG C of insulation is warming up to, cool, washing, mistake
Filter, obtains second material；
S3, will second material send into DMF in be swelled, add trimethylamine reaction, obtain groundwater treatment
Use macroporous anion exchange resin.
Preferably, in S1, alcohol amine compound is the one or more of monoethanolamine, normal propyl alcohol amine and diethanol amine.
Preferably, in S1, macropore chloromethylated polystyrene resin, alcohol amine compound, the weight ratio of urea complex
For 20-40：0.5-1：2-4.
Preferably, in S3, the weight ratio of DMF and trimethylamine is 80-120：12-20.
Preferably, the preparation technology of described groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1, by weight will 20-40 parts of macropore chloromethylated polystyrene resins send into it is molten in 100-140 parts of absolute ethyl alcohols
Swollen 2-6h, adds 0.5-1 parts of alcohol amine compounds, 2-4 parts of urea complex, and in 55-65 DEG C of stirring 12-16h of temperature, cooling is washed
Wash, obtain first material；
S2, in ice-water bath, into first material be added dropwise 10-20 part thionyl chlorides, be warming up to 55-65 DEG C be incubated 2-6h,
Cooling, is washed, and filtering obtains second material；
S3, second material sent into 80-120 part DMFs and be swelled 8-10h, 12-20 parts of trimethylamines of addition
20-40h is reacted, groundwater treatment macroporous anion exchange resin is obtained.
Preferably, in S1, urea complex is prepared using following technique：Under stirring, water glass is added dropwise into formaldehyde
Glass, regulation system pH value is 8-8.8, in 50-60 DEG C of stirring of temperature, adds urea, in 90-92 DEG C of stirring of temperature, adds trimerization
Cyanamide, lauroylamidopropyl betaine continue to stir, and add water and mix, copper-bath is added dropwise, and are added dropwise completely follow-up continuous
Stirring, uses sodium hydroxide regulation system pH value for 8-8.4, plus ascorbic acid solution stirring, centrifuges, washs, dries, obtain
To urea complex.
Preferably, in S1, in urea complex, formaldehyde, waterglass, the weight ratio of urea are 20-40：5-15：2-
6。
Preferably, in S1, in urea complex, the concentration of copper-bath is 1.5-2wt%, ascorbic acid solution
Concentration be 1.5-2%.
Preferably, in S1, in urea complex, lauroylamidopropyl betaine, copper-bath, ascorbic acid are molten
The weight ratio of liquid is 1-2：2-4：2-4.
Preferably, in S1, urea complex is prepared using following technique：20-40 parts of formaldehyde are weighed by weight, are stirred
5-15 parts of waterglass are added dropwise under state thereto, regulation system pH value is 8-8.8, in 50-60 DEG C of stirring 20-30min of temperature, plus
Enter 2-6 parts of urea, in 90-92 DEG C of stirring 10-20min of temperature, add 1-2 portions of melamines, 1-2 portions of dodecanamide propyl beets
Alkali continues to stir 4-10min, adds 20-40 parts of water and mixes 2-4h, and it is that 1.5-2wt% copper sulphate is molten that 2-4 parts of concentration, which are added dropwise,
Liquid, is added dropwise follow-up continuous stirring 2-8min completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 2-4 parts of concentration are 1.5-
2% ascorbic acid solution stirs 5-15min, centrifuges, and washs, and dries, obtains urea complex.
The present invention has bigger serface and high porosity, enough adsorption sites can be provided for sorbing material, in dirt
In water treatment procedure, there is specific Selective adsorption for heavy metal ion, the Sewage Environment of complexity can be dealt with, operation is used
Simply, advantages of good adsorption effect.
Added in addition in preparation process in specific urea complex, formaldehyde and waterglass, urea, by addition, contracting
Close and form the large-scale network structure containing silicon oxygen bond, and lauroylamidopropyl betaine therein and copper sulphate, sodium hydroxide and
Ascorbic acid is reacted, and can be formed with pore passage structure nanoparticle, not only bactericidal effect is good for product, and specific surface area is big, and absorption is lived
Property it is high, can not only promote in preparation process each storeroom to be uniformly dispersed strong, and have been provided with higher absorption in itself to live
Property, the resin specific surface area of preparation is high, and uniform pore diameter is suitable, not only significantly improves the exchange capacity of resin, especially right
The adsorption activity of heavy metal ion is high in drinking water, and resin property is stable, synthesis yield is high, and bactericidal effect is good, and environment friend
It is good.Adsorption operations of the present invention are simple, the rate of adsorption fast, and selectivity is high, is firmly combined with, can have been eluted after absorption between carrier
Entirely, and easily desorb, easily regenerate, and can realize repeatedly, recycle.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1, will macropore chloromethylated polystyrene resin send into absolute ethyl alcohol in be swelled, add monoethanolamine, urea be combined
Thing, in 58 DEG C of stirrings of temperature, cools, washing obtains first material；
S2, in ice-water bath, thionyl chloride is added dropwise into first material, 56 DEG C of insulations are warming up to, cool, wash, filtering,
Obtain second material；
S3, will second material send into DMF in be swelled, add trimethylamine reaction, obtain groundwater treatment
Use macroporous anion exchange resin.
Embodiment 2
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1, macropore chloromethylated polystyrene resin sent into absolute ethyl alcohol and be swelled, add alcohol amine compound, urea multiple
Compound, in 55 DEG C of stirrings of temperature, cools, washing obtains first material；
S2, in ice-water bath, thionyl chloride is added dropwise into first material, 65 DEG C of insulations are warming up to, cool, wash, filtering,
Obtain second material；
S3, will second material send into DMF in be swelled, add trimethylamine reaction, obtain groundwater treatment
Use macroporous anion exchange resin.
Wherein, in S1, urea complex is prepared using following technique：Under stirring, waterglass is added dropwise into formaldehyde,
Regulation system pH value is 8, in temperature 60 C stirring, adds urea, in 90 DEG C of stirrings of temperature, adds melamine, lauramide
CAB continues to stir, and adds water and mixes, copper-bath is added dropwise, follow-up continuous stirring completely is added dropwise, using hydrogen-oxygen
It is 8.4 to change sodium regulation system pH value, plus ascorbic acid solution stirring, centrifuges, washs, dries, obtain urea complex.
Embodiment 3
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1, macropore chloromethylated polystyrene resin sent into absolute ethyl alcohol and be swelled, added normal propyl alcohol amine, urea and be combined
Thing, in 65 DEG C of stirrings of temperature, cools, washing obtains first material；
S2, in ice-water bath, thionyl chloride is added dropwise into first material, 55 DEG C of insulations are warming up to, cool, wash, filtering,
Obtain second material；
S3, will second material send into DMF in be swelled, add trimethylamine reaction, obtain groundwater treatment
Use macroporous anion exchange resin.
Wherein, in S1, urea complex is prepared using following technique：Under stirring, waterglass is added dropwise into formaldehyde,
Regulation system pH value is 8.8, in temperature 50 C stirring, adds urea, in 92 DEG C of stirrings of temperature, adds melamine, lauroyl
Amine CAB continues to stir, and adds water and mixes, copper-bath is added dropwise, follow-up continuous stirring completely is added dropwise, using hydrogen
Sodium oxide molybdena regulation system pH value is 8, plus ascorbic acid solution stirring, centrifuges, washs, dries, obtain urea complex.
Embodiment 4
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1,20 parts of macropore chloromethylated polystyrene resins are sent into 140 parts of absolute ethyl alcohols and are swelled 2h by weight, plus
Enter 1 part of diethanol amine, 2 parts of urea complex, in 65 DEG C of stirring 12h of temperature, cool, washing obtains first material；
S2, in ice-water bath, into first material be added dropwise 20 parts of thionyl chlorides, be warming up to 55 DEG C insulation 6h, cooling, wash
Wash, filter, obtain second material；
S3, second material sent into 80 parts of DMFs and be swelled 10h, add 12 parts of trimethylamines reaction 40h,
Obtain groundwater treatment macroporous anion exchange resin.
Wherein, in S1, urea complex is prepared using following technique：20 parts of formaldehyde, stirring are weighed by weight
Under be added dropwise 15 parts of waterglass thereto, regulation system pH value is 8, and 20min is stirred in temperature 60 C, 6 parts of urea is added, in temperature
90 DEG C of stirring 20min, add 1 part of melamine, 2 parts of lauroylamidopropyl betaines and continue to stir 4min, add 40 parts of water and mix
Stirring 2h is closed, it is 1.5wt% copper-baths that 4 parts of concentration, which are added dropwise, follow-up continuous stirring 8min completely is added dropwise, is adjusted using sodium hydroxide
It is 8 to save system pH, plus 4 parts of concentration are that 1.5% ascorbic acid solution stirs 15min, centrifuge, wash, dry, urinated
Plain compound.
Embodiment 5
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1,40 parts of macropore chloromethylated polystyrene resins are sent into 100 parts of absolute ethyl alcohols and are swelled 6h by weight, plus
Enter 0.5 part of alcohol amine compound, 4 parts of urea complex, in 55 DEG C of stirring 16h of temperature, cool, washing obtains first material；
S2, in ice-water bath, into first material be added dropwise 10 parts of thionyl chlorides, be warming up to 65 DEG C insulation 2h, cooling, wash
Wash, filter, obtain second material；
S3, second material sent into 120 parts of DMFs and be swelled 8h, add 20 parts of trimethylamines reaction 20h,
Obtain groundwater treatment macroporous anion exchange resin.
Wherein, in S1, urea complex is prepared using following technique：40 parts of formaldehyde, stirring are weighed by weight
Under be added dropwise 5 parts of waterglass thereto, regulation system pH value is 8.8, and 30min is stirred in temperature 50 C, 2 parts of urea is added, in temperature
92 DEG C of stirring 10min of degree, add 2 parts of melamines, 1 part of lauroylamidopropyl betaine and continue to stir 10min, add 20 parts of water
4h is mixed, it is 2wt% copper-baths that 2 parts of concentration, which are added dropwise, follow-up continuous stirring 2min completely is added dropwise, is adjusted using sodium hydroxide
It is 8.4 to save system pH, plus 2 parts of concentration are that 2% ascorbic acid solution stirs 5min, centrifuge, wash, dry, urinated
Plain compound.
Embodiment 6
A kind of preparation technology of groundwater treatment macroporous anion exchange resin, comprises the following steps：
S1,32 parts of macropore chloromethylated polystyrene resins are sent into 125 parts of absolute ethyl alcohols and are swelled 4h by weight, plus
Enter 0.7 part of alcohol amine compound, 3 parts of urea complex, in 59 DEG C of stirring 14h of temperature, cool, washing obtains first material；
S2, in ice-water bath, into first material be added dropwise 15 parts of thionyl chlorides, be warming up to 59 DEG C insulation 4h, cooling, wash
Wash, filter, obtain second material；
S3, second material sent into 100 parts of DMFs and be swelled 9h, add 16 parts of trimethylamines reaction 32h,
Obtain groundwater treatment macroporous anion exchange resin.
Wherein, in S1, urea complex is prepared using following technique：25 parts of formaldehyde, stirring are weighed by weight
Under be added dropwise 7 parts of waterglass thereto, regulation system pH value is 8.3, in 56 DEG C of stirring 24min of temperature, 4 parts of urea is added, in temperature
91 DEG C of stirring 15min of degree, add 1.4 parts of melamines, 1.5 parts of lauroylamidopropyl betaines and continue to stir 8min, add 32
Part water mixes 3h, and it is 1.8wt% copper-baths that 3 parts of concentration, which are added dropwise, complete follow-up continuous stirring 6min is added dropwise, using hydrogen-oxygen
It is 8.2 to change sodium regulation system pH value, plus 3 parts of concentration are that 1.8% ascorbic acid solution stirs 10min, centrifuge, wash, do
It is dry, obtain urea complex.
The groundwater treatment prepared to embodiment 1-6 carries out performance test, test result with macroporous anion exchange resin
It is as shown in the table：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of preparation technology of groundwater treatment macroporous anion exchange resin, it is characterised in that comprise the following steps：
S1, will macropore chloromethylated polystyrene resin send into absolute ethyl alcohol in be swelled, add alcohol amine compound, urea be combined
Thing, in 55-65 DEG C of stirring of temperature, cools, washing obtains first material；
S2, in ice-water bath, thionyl chloride is added dropwise into first material, 55-65 DEG C of insulation is warming up to, cool, wash, filtering,
Obtain second material；
S3, second material sent into DMF and be swelled, add trimethylamine reaction, obtain groundwater treatment with big
Hole anion exchange resin.
2. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 1, it is characterised in that
In S1, alcohol amine compound is the one or more of monoethanolamine, normal propyl alcohol amine and diethanol amine.
3. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 1, it is characterised in that
In S1, macropore chloromethylated polystyrene resin, alcohol amine compound, the weight ratio of urea complex are 20-40：0.5-1：2-
4。
4. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 1, it is characterised in that
In S3, the weight ratio of DMF and trimethylamine is 80-120：12-20.
5. the preparation technology of the groundwater treatment macroporous anion exchange resin according to claim any one of 1-4, its
It is characterised by, comprises the following steps：
S1,20-40 parts of macropore chloromethylated polystyrene resins are sent into 100-140 parts of absolute ethyl alcohols and are swelled 2- by weight
6h, adds 0.5-1 parts of alcohol amine compounds, 2-4 parts of urea complex, in 55-65 DEG C of stirring 12-16h of temperature, cools, washing is obtained
To first material；
S2, in ice-water bath, into first material be added dropwise 10-20 part thionyl chlorides, be warming up to 55-65 DEG C insulation 2-6h, cool,
Washing, filtering, obtains second material；
S3, second material sent into 80-120 part DMFs and be swelled 8-10h, added 12-20 parts of trimethylamines and react
20-40h, obtains groundwater treatment macroporous anion exchange resin.
6. the preparation technology of the groundwater treatment macroporous anion exchange resin according to claim any one of 1-5, its
It is characterised by, in S1, urea complex is prepared using following technique：Under stirring, waterglass is added dropwise into formaldehyde, adjusts
System pH is 8-8.8, in 50-60 DEG C of stirring of temperature, adds urea, in 90-92 DEG C of stirring of temperature, adds melamine, the moon
Osmanthus amido propyl betaine continues to stir, and adds water and mixes, copper-bath is added dropwise, follow-up continuous stirring completely is added dropwise, adopts
It is 8-8.4 with sodium hydroxide regulation system pH value, plus ascorbic acid solution stirring, centrifuge, wash, dry, obtain urea
Compound.
7. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 6, it is characterised in that
In S1, in urea complex, formaldehyde, waterglass, the weight ratio of urea are 20-40：5-15：2-6.
8. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 6, it is characterised in that
In S1, in urea complex, the concentration of copper-bath is 1.5-2wt%, and the concentration of ascorbic acid solution is 1.5-
2%.
9. the preparation technology of groundwater treatment macroporous anion exchange resin according to claim 6, it is characterised in that
In S1, in urea complex, lauroylamidopropyl betaine, copper-bath, the weight ratio of ascorbic acid solution are 1-
2：2-4：2-4.
10. the preparation technology of the groundwater treatment macroporous anion exchange resin according to claim any one of 1-9, its
It is characterised by, in S1, urea complex is prepared using following technique：Weigh by weight under 20-40 parts of formaldehyde, stirring
5-15 parts of waterglass are added dropwise thereto, regulation system pH value is 8-8.8, in 50-60 DEG C of stirring 20-30min of temperature, add 2-6
Part urea, in 90-92 DEG C of stirring 10-20min of temperature, add 1-2 parts of melamines, 1-2 parts of lauroylamidopropyl betaines after
Continuous stirring 4-10min, adds 20-40 parts of water and mixes 2-4h, and it is 1.5-2wt% copper-baths, drop that 2-4 parts of concentration, which are added dropwise,
Add complete rear continuation and stir 2-8min, use sodium hydroxide regulation system pH value for 8-8.4, plus 2-4 parts of concentration are anti-for 1.5-2%
Bad hematic acid solution stirs 5-15min, centrifuges, and washs, and dries, obtains urea complex.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781379A (en) * | 2009-12-31 | 2010-07-21 | 安徽皖东化工有限公司 | Preparation method of D301 macroporous weekly acidic styrene type anion exchange resin |
| CN102189008A (en) * | 2011-04-11 | 2011-09-21 | 常州大学 | Novel strongly and weakly alkaline anion exchange resin and preparation method thereof |
| CN103965425A (en) * | 2013-02-02 | 2014-08-06 | 王笑康 | Preparation method for water-glass modified amino resin |
| CN105417573A (en) * | 2015-12-10 | 2016-03-23 | 齐齐哈尔大学 | Method for preparing Cu2O nano-microsphere by utilizing lauramidopropyl betaine |
-
2017
- 2017-05-09 CN CN201710322250.0A patent/CN107185600A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781379A (en) * | 2009-12-31 | 2010-07-21 | 安徽皖东化工有限公司 | Preparation method of D301 macroporous weekly acidic styrene type anion exchange resin |
| CN102189008A (en) * | 2011-04-11 | 2011-09-21 | 常州大学 | Novel strongly and weakly alkaline anion exchange resin and preparation method thereof |
| CN103965425A (en) * | 2013-02-02 | 2014-08-06 | 王笑康 | Preparation method for water-glass modified amino resin |
| CN105417573A (en) * | 2015-12-10 | 2016-03-23 | 齐齐哈尔大学 | Method for preparing Cu2O nano-microsphere by utilizing lauramidopropyl betaine |
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Application publication date: 20170922 |