CN106512966A - Preparation method of attapulgite loaded PAMAM type dendritic macromolecules - Google Patents
Preparation method of attapulgite loaded PAMAM type dendritic macromolecules Download PDFInfo
- Publication number
- CN106512966A CN106512966A CN201611183728.8A CN201611183728A CN106512966A CN 106512966 A CN106512966 A CN 106512966A CN 201611183728 A CN201611183728 A CN 201611183728A CN 106512966 A CN106512966 A CN 106512966A
- Authority
- CN
- China
- Prior art keywords
- pamam
- attapulgite
- atp
- types
- ctp
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/002—Dendritic macromolecules
- C08G83/003—Dendrimers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
Abstract
The invention discloses a preparation method of attapulgite loaded PAMAM type dendritic macromolecules. The preparation method includes the steps of firstly, using attapulgite as the raw material, and using a silane coupling agent to perform surface modification; secondly, using the modified attapulgite as the central core, and allowing the modified attapulgite to have substitution reaction with PAMAM macromolecules of different generations to prepare the attapulgite loaded G1.0-4.0 PAMAM type dendritic macromolecules. The preparation method has the advantages that the prepared absorption material can bring the absorption effect of the attapulgite and the chelating effect of the PAMAM into play and avoid random influence factors when the PAMAM is used independently, is high in metal ion absorption quantity and applicable to a process for treating heavy metal ion wastewater and has unique advantages in actual application.
Description
Technical field
The present invention relates to belong to synthesis of polymer material field, and in particular to a kind of attapulgite loaded polyamide-amide
(PAMAM) preparation method of type dendritic macromole adsorbent.
Background technology
With a large amount of burnings of industrial expansion and fossil fuel, it is increasing that heavy metal pollution problem receives people
Pay attention to, reclaiming and eliminate heavy metal ion becomes problem of concern.Various conventional separation methods, such as ion is handed over
Change, chemical precipitation, the method such as solvent extraction and absorption are applied to this field, wherein, chelate adsorption is that a class can be with
Metal ion forms the adsorption functional material of many complexes, has a wide range of applications.Therefore, low cost, height are researched and developed
The novel heavy metal ion adsorbent of efficiency becomes the direction of various countries researcher effort.
Polyamidoamine dendritic macromole (PAMAM) is the new functional polymer compound of a class, with numerous
Coordination atom, accurate molecular structure and monodispersity, selectively and complexing of metal ion can be applied to metallic element point
From when there is nontoxic and efficient advantage.Divergent method is adopted at present to synthesize a series of with ester group and amido as end group
PAMAM type dendritic macromoles, and be applied in the research of ion isolation.Xiongzhi Wu etc. by divergent method synthesized with
Amino is the silica gel load G4.0PAMAM type dendritic macromoles of end group, have studied the Preconcentration and Separation of material, find with compared with
Good reusing；Yuzhong Niu etc. are prepared for the silica gel load G1.0-G4.0PAMAM type branches with amino as end group
Shape macromolecular, have studied material to Pb2+、Hg2+Absorption property, find with good absorption property.But in building-up process
In have a problem that, between amino and imino molecules and intramolecule produces crosslinking, crosslinking problem not only reduces silica gel table
The immobilized functional group in face, and chelation of the dendritic macromole function based on metal ion can be had a strong impact on, in addition,
The dendritic macromole for synthesizing high algebraically has sterically hindered impact, affects the adsorbance to metal ion.
Attapulgite (Attapulgite, ATP) is a kind of aqueous with distinct layer chain structure and large specific surface area
Rich zeopan clay mineral, its surface-active and absorption property it is very strong, be a kind of very promising adsorbent.But it is concavo-convex
Rod soil is in forming process as the law of isomorphism replaces being widely present for phenomenon so as to which surface is presented elecrtonegativity, in order that its table
The electric charge in face is balanced, and the surface of attapulgite is often adsorbed with a certain amount of metal ion, due to depositing for these metal ions
Causing the surface of natural output attapulgite to be coated with water membrane, attapulgite is being this greatly limits in some fields
Application.After organically-modified process, its surface is changed into a certain degree of lipophile from total hydrophilic to attapulgite, possesses
Inorganic and organic double properties, the additional output value of increase such that it is able to high degree simultaneously widen the scope of its application.Accordingly,
With reference to selectivity and chelating ability of the PAMAM types dendritic macromole to metal ion, attapulgite's surface is carried on, is made
It is standby to be expected to be widely used in heavy metal containing wastewater treatment into composite organic-inorganic material.
For problem above, the invention discloses a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule.
The sorbing material as obtained by the present invention can play the suction-operated of attapulgite and the chelation of PAMAM, avoid again individually
The Random Effect factor occurred during using PAMMA, and it is big to adsorption of metal ions amount, the material can be used to process heavy metal ion
Waster water process, has unique advantage in actual application.
The content of the invention
The technical problem to be solved is to provide a kind of reduction reaction cost, improves PAMAM type dendroids and divides greatly
The attapulgite loaded PAMAM types method for preparing dendritic macromolecule of sub-key load rate.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of attapulgite loaded polyamidoamine dendroid
The preparation method of macromolecular, comprises the following steps：
1) the concave convex rod original soil selected through 200 mesh sieves is pressed into 1 with deionized water:1-1:100 mass ratioes mix, mechanical agitation
10-100 minutes, supernatant liquid is poured out, repeatedly, suspension is obtained to remove water-solubility impurity, add toward the suspension
1-3h is stirred under the hydrochloric acid of appropriate 1-4mol/L, ultrasound condition, final filtration product is poured into totally by filtration washing to neutrality
Container in, 110 DEG C vacuum drying 2-10h, the attapulgite for grinding pure i.e. ATP；
2) by step 1) described in ATP and the precursor of silica gel containing chloro with mol ratio 1:1-1:16 mixing are using colloidal sol-solidifying
Glue method is synthesized, and is filtered, ethanol washing, 60 DEG C of vacuum drying 10-24h, and ATP-CTP is obtained；
3) preparation of PAMAM types dendritic macromole：, there is Michael with methyl acrylate in the core centered on ethylenediamine
Addition reaction obtain with ester group as end group half for product G 0.5, will described half to pass through amidatioon for product G 0.5 and ethylenediamine anti-
The whole generation product G 1.0 with amino as end group should be prepared, repeats Michael addition reactions and amidation process synthesis G1.0-G4.0
For PAMAM type dendritic macromoles；
4) load of the PAMAM types dendritic macromole on concave convex rod surface：By step 2) described in ATP-CTP and different generations
Several G1.0-G4.0 mixes for PAMAM types dendritic macromole, adds solvent, 4-10h is heated to reflux under mechanical agitation, filters,
Washed with toluene, ethanol successively, filtered, ethanol washing, 60 DEG C of vacuum drying 10-24h are obtained PAMAM-ATP-CTP (G1-G4)
Type adsorbent.
Further, a diameter of 10-100nm of attapulgite, length is 300-900nm.
Further, a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule, comprises the steps：Will be upper
It is 5 according to mass ratio that ATP-CTP and G1.0-G4.0 are stated for PAMAM types dendritic macromole:1-2：1 mixing, after mechanical agitation again
1mL triethylamines and 50mL toluene, mechanical agitation, back flow reaction 6h is added to filter, washed with toluene, ethanol successively, dry
The PAMAM-ATP-CTP in G1.0-G4.0 generations.
Further, the precursor of silica gel containing chloro is 3- r-chloropropyl trimethoxyl silanes, 3- chloropropyl triethoxysilanes, 3-
Any one in chloropropyl methoxyl group diethoxy silane, 3- chloropropyl triethoxysilanes.
Further, in Michael addition reactions, the mol ratio of amido and ester group is 1:2-1:4, in the amidation process
The mol ratio of ester group and amido is 1:10-1:32.
Compared with prior art, the invention has the beneficial effects as follows：
In the present invention, chloro silica gel precursor has primarily served the effect being coupled with concave convex rod, by being coupled so that recessed
Convex rod surface has been covered with chlorine based reactive group, such that it is able to end group amino easily with PAMAM type dendritic macromoles, has
The bonding of effect, improves bonding rate of the PAMAM types dendritic macromole on concave convex rod surface.
Additionally, the sorbing material as obtained by the present invention can play the suction-operated of attapulgite and the chelating of PAMAM is made
With, avoid again the Random Effect factor occurred during PAMMA is used alone, and it is big to adsorption of metal ions amount, the material can be used for
Effluent containing heavy metal ions technique is processed, there is in actual application unique advantage.
Description of the drawings
Fig. 1 is the schematic diagram that G1.0-G4.0 of the present invention is carried with attapulgite key for PAMAM types dendritic macromole.
Fig. 2 is PAMAM types dendritic macromole structure (G1.0-G4.0).
Fig. 3 is infrared spectrum schematic diagrames of the G1.0-G4.0 of the present invention for PAMAM-ATP-CTP type adsorbents.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1：
(1) preparation of G1.0-G4.0 PAMAMs (PAMAM) dendrimer：
The synthesis of polyamide-amide (PAMAM) dendrimer of 0.5G：Under the conditions of ice-water bath, in 250ml there-necked flasks
9.0g (0.15mol) ethylenediamines and 30ml methyl alcohol are sequentially added, in N2Under environment, magnetic agitation state, constant pressure funnel is used
103.2g (1.2mol) methyl acrylate is slowly added dropwise, and etc. 25 DEG C being heated to after completion of dropping, is then refluxed again,
The PAMAM of impure 0.5G can be obtained after 24h.50 DEG C of rotary evaporations of reactant mixture Jing remove the propylene of solvent and excess
Sour methyl esters, obtains the PAMAM of light yellow transparent liquid, i.e. 0.5G.
The synthesis of polyamide-amide (PAMAM) dendrimer of 1.0G：Under the conditions of ice-water bath, in 250ml there-necked flasks
20.2g (0.05mol) 0.5G products and 50ml methyl alcohol are sequentially added, in N2Under environment, under magnetic agitation state, constant pressure addition is used
Funnel is slowly added dropwise 72g (1.2mol) ethylenediamine, after completion of dropping, is heated to 35 DEG C, is refluxed 24h and obtains 1.0G's
The mixture of PAMAM and solvent, 60 DEG C of reactant mixture Jing decompression, rotary evaporation remove the ethylenediamine of solvent and excess, can be with
Obtain faint yellow viscous liquid 1.0G crude products.With ether as extractant, methyl alcohol be exchange of solvent agent evaporation remove second two
Amine, obtains the PAMAM of 1.0G.Repeat Michael additions and amidation process is obtained G2.0, G3.0, G4.0 for PAMAM dendroids
Macromolecular；
(2) attapulgite pretreatment：Weigh 50g attapulgites (abbreviation ATP) to pour in beaker, add appropriate amount of deionized water
50mL hydrogen peroxide is added after being made into 20% suspension magnetic agitation 40min, 24 hours is stood, is poured out supernatant liquor (3/4v).
Suspension adds appropriate HCI solution (4mol/L, solid-to-liquid ratio 1:10), ultrasonic agitation 1h, filters up to pH value of solution to neutrality, will most
Whole filtration product is poured in clean container, after 110 DEG C are vacuum dried 2 hours, are ground and must be purified ATP.ATP after purification is placed on
It is dried in 80 DEG C of baking ovens, seals stand-by.
(3) coupling of concave convex rod and silane coupler：In 500mL there-necked flasks, 20g activation ATP are sequentially added, is added
The γ of the 200mL10%-r-chloropropyl trimethoxyl silane aqueous solution, 70 DEG C of heating responses 4h are filtered, ethanol washing, 60 DEG C of vacuum
12h is dried, γ-chloropropyl modified attapulgite ATP-CTP is obtained；
(4) preparation of the modified PAMAM of concave convex rod：10g ATP-CTP are weighed, 1.0G PAMAM, 1mL prepared by 2g is added
Triethylamine and 50mL toluene, stirring, back flow reaction 6h are filtered, are washed with toluene, ethanol successively, dry G1.0-PAMAM-
ATP-CTP.Repeat the above steps, are obtained G2.0-PAMAM-ATP-CTP, G3.0-PAMAM-ATP-CTP, G4.0-PAMAM-
ATP-CTP adsorbents.
Various features group, such as 3370cm can be clearly found out in infrared spectrum Fig. 2 of products obtained therefrom-1Locate as N-H's
Stretching vibration peak, 3548cm-1Locate the stretching vibration peak for N-H, 2960cm-1Symmetrically and asymmetrically vibration for methylene is inhaled
Peak is received, 1638 and 1556cm-1 are respectively the absworption peak of carbonyl (C=O) and N-H keys in amide group.792 and 460cm-1For silicon
The symmetrical and asymmetric bending vibration absorption peak of Si-O-Si in alkane material, G1.0-G4.0 has similar for PAMAM-ATP-CTP
Infrared spectrogram.
Claims (5)
1. a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule, it is characterised in that comprise the following steps：
1) the concave convex rod original soil selected through 200 mesh sieves is pressed into 1 with deionized water:1-1:100 mass ratioes mix, mechanical agitation 10-
100 minutes, supernatant liquid is poured out, repeatedly, suspension is obtained to remove water-solubility impurity, add appropriate toward the suspension
1-4mol/L hydrochloric acid, 1-3h is stirred under ultrasound condition, filtration washing to neutrality pours final filtration product into clean appearance
In device, 110 DEG C of vacuum drying 2-10h, the attapulgite for grinding pure i.e. ATP；
2) by step 1) described in ATP and the precursor of silica gel containing chloro with mol ratio 1:1-1:16 mixing adopt sol-gel process
Synthesized, filtered, ethanol washing, 60 DEG C of vacuum drying 10-24h are obtained ATP-CTP；
3) preparation of PAMAM types dendritic macromole：, there is Michael additions with methyl acrylate in the core centered on ethylenediamine
Reaction obtain with ester group as end group half for product G 0.5, will described half for product G 0.5 and ethylenediamine by amidation process system
The standby whole generation product G 1.0 with amino as end group, repeats Michael addition reactions and amidation process synthesis G1.0-G4.0 generations
PAMAM type dendritic macromoles；
4) load of the PAMAM types dendritic macromole on concave convex rod surface：By step 2) described in ATP-CTP and different algebraically
G1.0-G4.0 mixes for PAMAM types dendritic macromole, adds solvent, 4-10h is heated to reflux under mechanical agitation, filters, successively
Washed with toluene, ethanol, filtered, ethanol washing, 60 DEG C of vacuum drying 10-24h are obtained PAMAM-ATP-CTP (G1.0-G4.0)
Type adsorbent.
2. a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule according to claim 1, its feature exist
In, a diameter of 10-100nm of the attapulgite, length is 300-900nm.
3. a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule according to claim 1, its feature exist
In comprising the steps：It is 5 according to mass ratio for PAMAM types dendritic macromole by above-mentioned ATP-CTP and G1.0-G4.0:1-
2：1 mixing, adds 1mL triethylamines and 50mL toluene after mechanical agitation, mechanical agitation, back flow reaction 6h are filtered, use first successively
Benzene, ethanol washing, the PAMAM-ATP-CTP in dry G1.0-G4.0 generations.
4. a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule according to claim 1, its feature exist
In the precursor of silica gel containing chloro is 3- r-chloropropyl trimethoxyl silanes, 3- chloropropyl triethoxysilanes, 3- chloropropyl first
Any one in epoxide diethoxy silane, 3- chloropropyl triethoxysilanes.
5. a kind of attapulgite loaded PAMAM types method for preparing dendritic macromolecule according to claim 1, its feature exist
In in the Michael addition reactions, the mol ratio of amido and ester group is 1:2-1:4, ester group and amine in the amidation process
The mol ratio of base is 1:10-1:32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183728.8A CN106512966B (en) | 2016-12-20 | 2016-12-20 | A kind of attapulgite loaded PAMAM type method for preparing dendritic macromolecule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183728.8A CN106512966B (en) | 2016-12-20 | 2016-12-20 | A kind of attapulgite loaded PAMAM type method for preparing dendritic macromolecule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106512966A true CN106512966A (en) | 2017-03-22 |
| CN106512966B CN106512966B (en) | 2019-08-09 |
Family
ID=58339726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183728.8A Active CN106512966B (en) | 2016-12-20 | 2016-12-20 | A kind of attapulgite loaded PAMAM type method for preparing dendritic macromolecule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106512966B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285474A (en) * | 2017-08-11 | 2017-10-24 | 盛世园林集团股份有限公司 | One kind removes the constructed wetland device of heavy metal/PPCPs combined pollutants in sewage |
| CN108855006A (en) * | 2018-07-04 | 2018-11-23 | 合肥帧讯低温科技有限公司 | A kind of heavy metal absorbent |
| CN109052655A (en) * | 2018-07-04 | 2018-12-21 | 合肥帧讯低温科技有限公司 | A kind of disinfection oxygenation agent used for aquiculture |
| CN109456490A (en) * | 2018-10-23 | 2019-03-12 | 青岛大学 | A kind of preparation method and product of dendritic macromole hydrogel |
| CN115888430A (en) * | 2022-11-09 | 2023-04-04 | 江苏德环环保集团有限公司 | Graphene oxide/aminated attapulgite intercalation compound surface modified forward osmosis membrane and preparation method thereof |
| CN116445002A (en) * | 2023-04-25 | 2023-07-18 | 甘肃农业大学 | Attapulgite-loaded reinforced wood-plastic composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947438A (en) * | 2010-11-03 | 2011-01-19 | 淮阴师范学院 | High-ligand attapulgite clay adsorption material and preparation method |
| CN102153101A (en) * | 2010-11-22 | 2011-08-17 | 西北师范大学 | Preparation method for palygorskite modified by PAMAM (polyamide-amine) |
| CN105107477A (en) * | 2015-08-26 | 2015-12-02 | 河南科技大学 | Hyperbranched polymer/clay mineral hybrid material and preparation method thereof |
-
2016
- 2016-12-20 CN CN201611183728.8A patent/CN106512966B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947438A (en) * | 2010-11-03 | 2011-01-19 | 淮阴师范学院 | High-ligand attapulgite clay adsorption material and preparation method |
| CN102153101A (en) * | 2010-11-22 | 2011-08-17 | 西北师范大学 | Preparation method for palygorskite modified by PAMAM (polyamide-amine) |
| CN105107477A (en) * | 2015-08-26 | 2015-12-02 | 河南科技大学 | Hyperbranched polymer/clay mineral hybrid material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| SHOUYONG ZHOU等: "Novel polyamidoamine dendrimer-functionalized palygorskite adsorbents with high adsorption capacity for Pb2+ and reactive dyes", 《APPLIED CLAY SCIENCE》 * |
| 王鉴等: "树状大分子PAMAM改性凹凸棒石填充改性聚丙烯研究", 《硅酸盐通报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285474A (en) * | 2017-08-11 | 2017-10-24 | 盛世园林集团股份有限公司 | One kind removes the constructed wetland device of heavy metal/PPCPs combined pollutants in sewage |
| CN107285474B (en) * | 2017-08-11 | 2020-07-24 | 盛世生态环境股份有限公司 | Artificial wetland device for removing heavy metal/PPCPs (pentatricopeptide repeats) composite pollutants in sewage |
| CN108855006A (en) * | 2018-07-04 | 2018-11-23 | 合肥帧讯低温科技有限公司 | A kind of heavy metal absorbent |
| CN109052655A (en) * | 2018-07-04 | 2018-12-21 | 合肥帧讯低温科技有限公司 | A kind of disinfection oxygenation agent used for aquiculture |
| CN109456490A (en) * | 2018-10-23 | 2019-03-12 | 青岛大学 | A kind of preparation method and product of dendritic macromole hydrogel |
| CN115888430A (en) * | 2022-11-09 | 2023-04-04 | 江苏德环环保集团有限公司 | Graphene oxide/aminated attapulgite intercalation compound surface modified forward osmosis membrane and preparation method thereof |
| CN115888430B (en) * | 2022-11-09 | 2023-11-14 | 江苏德环环保集团有限公司 | Graphene oxide/amination attapulgite intercalation compound surface modified forward osmosis membrane and preparation method thereof |
| CN116445002A (en) * | 2023-04-25 | 2023-07-18 | 甘肃农业大学 | Attapulgite-loaded reinforced wood-plastic composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106512966B (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106512966A (en) | Preparation method of attapulgite loaded PAMAM type dendritic macromolecules | |
| CN104130422B (en) | A kind of silica gel keys carry the preparation method of daiamid type tree shaped numerator adsorbent | |
| CN103920472B (en) | A kind of preparation method of composite magnetic chitosan microballoon spheres adsorbent | |
| CN105413624B (en) | For the preparation method of the modified silica-gel sorbing material of anionic dye waste water processing | |
| Kucuk et al. | Silsesquioxane-modified chitosan nanocomposite as a nanoadsorbent for the wastewater treatment | |
| US8323502B2 (en) | Multi-layered macromolecules and methods for their use | |
| CN108912269B (en) | Polyimidazole ionic liquid-based copolymer and preparation method and application thereof | |
| CN101613112A (en) | A kind of preparation of attapulgite modified by silane coupling agent | |
| KR101420166B1 (en) | Sulphonic acid groups functionalized organic-inorganic hybrid mesoporous molecular sieves for the selective adsorption of metal ions, manufacturing method of the materials | |
| Gao et al. | Highly-efficient amphiphilic magnetic nanocomposites based on a simple sol-gel modification for adsorption of phthalate esters | |
| CN106589401B (en) | Preparation method of P-containing silica gel loaded PAMAM type dendritic macromolecule | |
| Sun et al. | Syntheses of diethylenetriamine-bridged polysilsesquioxanes and their structure–adsorption properties for Hg (II) and Ag (I) | |
| CN110183675B (en) | Hyperbranched polythioamide compound and preparation method and application thereof | |
| CN109364893A (en) | One kind is based on chitosan-modified diatom As (V) ion blotting material and its preparation method and application | |
| CN110540649B (en) | Purification method of polyhedral oligomeric silsesquioxane | |
| CN106215883B (en) | A kind of heavy metal wastewater thereby adsorbent material and preparation method thereof | |
| CN111203197A (en) | Adsorbing material based on epoxy and amino crosslinking and preparation method thereof | |
| Sun et al. | Sol–gel preparation and Hg (II) adsorption properties of silica-gel supported low generation polyamidoamine dendrimers polymer adsorbents | |
| CN110193344B (en) | Cation column [5] arene modified zeolite adsorption material and preparation method and application thereof | |
| CN110215894A (en) | A kind of amino polymer modification layered double-hydroxide and its preparation method and application | |
| CN102153101A (en) | Preparation method for palygorskite modified by PAMAM (polyamide-amine) | |
| CN104959116A (en) | MOFs (metal-organic frameworks) pulp fiber composite and forming and preparing method thereof | |
| Dey et al. | Attachment of linear poly (amido amine) to silica surface and evaluation of metal-binding behavior | |
| CN110115985A (en) | A kind of Beta-cyclodextrin-based cross-linked polymer adsorbent material and preparation method thereof | |
| CN111589429B (en) | Phenanthroline polymer and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |