CN107474304A - A kind of graphene oxide sodium alginate magnetic composite and preparation method - Google Patents
A kind of graphene oxide sodium alginate magnetic composite and preparation method Download PDFInfo
- Publication number
- CN107474304A CN107474304A CN201710836611.3A CN201710836611A CN107474304A CN 107474304 A CN107474304 A CN 107474304A CN 201710836611 A CN201710836611 A CN 201710836611A CN 107474304 A CN107474304 A CN 107474304A
- Authority
- CN
- China
- Prior art keywords
- sodium alginate
- graphene oxide
- silk
- aqueous solution
- fibroin
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/42—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2489/00—Characterised by the use of proteins; Derivatives thereof
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a kind of graphene oxide sodium alginate magnetic composite and preparation method, preparation process are as follows：Use PAMAM modified sodium alginates；Sodium alginate/silk magnetic porous composite material is obtained using liquid nitrogen, frozen dried；Sodium alginate/silk magnetic porous composite material is immersed in graphene oxide solution, cleaned repeatedly with ethanol and deionized water after taking-up, graphene oxide sodium alginate magnetic composite is obtained after vacuum drying.The present invention uses sodium alginate and silk that graphene oxide is carried out into effective self assembly, graphene oxide sodium alginate magnetic composite is obtained, there is huge application value in fields such as sorbing material, biomaterial, medical materials as base material.
Description
Technical field
The present invention relates to a kind of graphene oxide-sodium alginate magnetic composite, belongs to field of nanocomposite materials.
Background technology
Silk is described as fiber queen, and its is soft, abundant, smooth, plentiful, possesses gloss soft as pearl,
Weaving, apparel industry are widely used.Silk is made up of silk gum and fibroin, and wherein silk gum is located at the outer layer of silk, content
Between 20%-30%, fibroin is located at the internal layer of silk, and content is between 70%-80%.Fibroin positioned at silk internal layer is one
Kind natural macromolecular material, by serine（serine）, glycine（Glycine）, alanine（alanine）Deng 18 kinds of amino
Acid composition, molecular weight is about 2300kDa, is made up of heavy chain, light chain and P25, and wherein the molecular weight of heavy chain H chains is 350kDa, gently
Chain L chain molecular weights are 26kDa, and P25 molecular weight is 30kDa, and the ratio of three is 6:6:1.Fibroin share 11 noncrystalline domains and
12 crystal regions, by disulfide bond between heavy chain H chains and light chain L chains, form H-L complexs.
The crystal habit of fibroin is broadly divided into two kinds of the type of fibroin I and II type of fibroin.The type of fibroin I is a kind of knot of meta-stable
Structure, conformation are crank shape or zigzag, are a kind of intermediatenesses between alpha-helix and beta sheet, and structure cell belongs to orthorhombic
System.Handled through damp and hot, sour, polar solvent etc., the type of fibroin I is easy to change to the type of fibroin II.The type of fibroin II is antiparallel β-folding
Stack structure, belong to orthorhombic system, peptide chain arranged regular, hydrogen bond and intermolecular gravitation make adjacent chain is intersegmental to be tightly combined, tension
It is strong to stretch ability, and is insoluble in water, it is strong to the resistance of acid, alkali, salt, enzyme and heat.In addition, recent years are found that one kind is new again
Fibroin crystal habit, i.e. the type of fibroin III, its crystal structure is similar with polyglycine II, belongs to hexagonal crystal system.
Silk obtained regenerated silk fibroin after degumming, dissolving, purification have nontoxic, non-stimulated, biological degradability,
Biocompatibility, good engineering properties, are easily processed into various forms, as silk protein films, gel, fiber, three-dimensional rack,
Sponge etc., it is a kind of important natural function material, available for fields such as biology, medical science, photoelectric materials, is carried as medicament slow release
Body, tissue engineering bracket, operation suture thread, artificial skin, artificial tendon, cell culture vector, wound dressing, electrically conducting transparent are thin
Film, sorbing material etc.（Silk, 2017,03:6-12；Biomedical engineering magazine, 2015,06:1364-1368；Sericulture section
Learn, 2016,02:341-345）.
With the birth of petroleum base high polymer material, high polymer material extensive use in every field, but its institute's band
The pollution problem come has a strong impact on the living environment of the mankind.And native biopolymer material is with its unique performance and to environment
Close friend, turn into the study hotspot of current new material.Wherein, sodium alginate excellent has biocompatibility, nontoxic as a kind of
And the material of biodegradable, it has been widely used in the fields such as grocery trade, agricultural, medical industry, commodity at present.Sea
Mosanom is also known as algin, sodium alginate or seaweed gel, be extracted from the sea-tangle or sargassum of brown algae iodine and mannitol with
Byproduct afterwards.Sodium alginate is the main component of alginic cell wall and cytoplasm, and marine alga acid molecule is by β-D-MANNOSE
Aldehydic acid（M areas）With α-L- guluronic acids（G areas）The block linear polymer of 2 kinds of monomer compositions.In 1 marine alga acid molecule,
The continuous segment that wherein a kind of uronic acid is formed may be comprised only, it is also possible to form block copolymer by 2 kinds of uronic acid chain links.And
Sodium alginate is the product after alginic acid is neutralized with alkali.Sodium alginate is soluble in water, is the very high poly- electrolysis of a kind of charge density
Matter, there is good biological degradability and compatibility（New Chemical Materials, 2007, (08):20-22）.In sodium alginate structure
Containing substantial amounts of hydroxyl and carboxyl, therefore sodium alginate is the initiation material of an ideal chemistry functional.Pass through
Modification to hydroxyl in structure and carboxyl, its dissolubility, hydrophobicity and some physical and chemical performances is changed, form sea
Mosanom derivation function compound, can widen its application field.At present, the modification for sodium alginate hydroxyl and carboxyl is main
There are oxidation, sulfonation, esterification, amidatioon and graft copolymerization etc.（Huang Panli, Shen Xiaojun, Chen Jinghuan, Wu Yuying, Sun Run storehouse marine algas
The extraction of sour sodium and functional modification progress [J] chemistry of forest product and industry, 2017）.
The existing literature research of sodium alginate/silk fibre composite, but it is mostly film and fiber.Such as Agricultural University Of Anhui's system
For fibroin-sodium alginate-glycerine blend film（Agricultural University Of Anhui's journal, 2013,40 (2): 321-325）, Dalian industry
University utilizes polyethyleneglycol diglycidylether（PEGDE）It is chemically crosslinked fibroin albumen（SF）, with CaCl2Crossslinked sodium alginate
（SA）, SF/SA dual network type composite fibres are prepared for using the method for substep crosslinking（Wish national wealth, Zhang Hong, Li Huitao, Chen Tao, in
Jump, preparation and performance [J] composite journals of the chemical crosslinking modified fibroin albumens of Guo Jing/sodium alginate fiber,
2017）.
2004, Univ Manchester UK physicist An Deliehaimu and Constantine's Nuo Woxiao loves, utilize
The method for tearing adhesive tape, successfully isolates the graphene of individual layer atomic arrangement from graphite, therefore two people also obtain 2010
The Nobel Prize in physics in year（Science,2004,306( 5696):666-669）.Graphene is by carbon atom with sp2Hydridization rail
Road forms hexangle type honeycomb lattice, and its construction unit is carbon hexatomic ring, and it is a kind of two-dimentional material of only single layer of carbon atom thickness
Material.Graphene is the basic system unit for forming carbon-based material.It can be wrapped to form zero dimension Fullerenes, be rolled into one-dimensional
Carbon nanotube, layer upon layer is into three-dimensional graphite.From graphene find that day, graphene just into
For the focus and focus of research, in ultracapacitor, transparency electrode, desalinization, light emitting diode, sensor, hydrogen storage, the sun
The fields such as energy battery, catalyst carrier, composite, biologic bracket material, bio-imaging, drug delivery, weaving, printing and dyeing have extensively
General application（Novel charcoal material, 2014,05:329-356, Chinese invention patent 201410565512.2）.
Graphene composite material is research direction important in graphene application field（Chemical Engineer, 2015,01:34-
38+46）.Existing graphene composite material is by graphene oxide and another material mostly（Inorganic material, polymeric material
Material etc.）Uniformly it is mixed in solvent, finished product is then obtained by the methods of spin processes, vacuum filtration, spin coating.But due to graphene
The problem of certain be present in the π-π stackings effect easily aggregation of itself, its dispersiveness in a solvent（Chemical progress, 2016,05:
647-656）, the preparation of follow-up composite and the final performance of product can be influenceed.
The content of the invention
In view of the above problems, the present invention provides a kind of graphene oxide-sodium alginate magnetic composite and preparation method.
The technical scheme is that：
（1）Sodium alginate is scattered in deionized water under normal temperature, bath raio 1:50, it is slowly added to 1-100g/L polyamide-amide
The PAMAM aqueous solution, the wherein volume ratio of the PAMAM aqueous solution and sodium alginate aqueous solution are 1:1-1:10, after reacting 24h, with steaming
Distilled water and ethanol wash, obtain PAMAM modified sodium alginates after drying repeatedly；（2）Silk-fibroin is dissolved in deionized water, prepared
Into the 1g/L-100g/L aqueous solution, the 1g/L-100g/L trivalent iron salt aqueous solution is slowly dropped under conditions of 50-80 DEG C
In silk protein aqueous solution, stir, wherein the mass ratio of the silk-fibroin and trivalent iron salt is 1:1-10:1,60 DEG C is at the uniform velocity stirred
After mixing 1h, the PAMAM modified sodium alginates that are slowly added in step 1 after ultrasonic mixing is uniform, pour into mould, are put into liquid nitrogen
Middle 1min, pre-freeze 6h in -20 DEG C of refrigerators is placed in after taking-up, 6h is freezed in -80 DEG C of Thermo ultra low temperature freezers, is then placed in jelly
48h obtains magnetic porous composite material in dry machine；（3）Configuration concentration 0.1-100g/L graphene oxide water solution, ultrasonic 1h,
Then the magnetic porous composite material in step 2 is immersed in 24h in graphene oxide water solution, bath raio 1:50, used after taking-up
Ethanol and deionized water are cleaned repeatedly, and graphene oxide-sodium alginate magnetic composite is obtained after vacuum drying.
Preferably, the silk-fibroin is that silk is made after degumming, dissolving, dialysis, purification.
Preferably, the trivalent iron salt is the one or more in iron chloride, ferric sulfate, ferric nitrate.
Preferably, the mass ratio of the modified sodium alginate and silk-fibroin is 1:1-1:10.
Compared with prior art, the advantage of the invention is that：PAMAM is polyamidoamine dendrimer, and surface is rich
Containing amino, imido grpup.Using PAMAM modified sodium alginates and silk-fibroin as carrier, firm Covalent bonding together is produced between the two,
Then nano ferriferrous oxide granule is generated, and it is porous compound to obtain after liquid nitrogen, freeze-drying process silk-sodium alginate
Material, final load graphene oxide, it ensure that dispersing uniformity and silkworm of the graphene oxide in silk-sodium alginate matrix
The Stability Analysis of Structures and mechanical strength of silk-sodium alginate porous material.In addition, graphene oxide-sodium alginate magnetic composite
Also there is certain magnetic, it is possible to achieve effective to recycle.
Embodiment
The invention will be further elucidated with reference to specific embodiments.
Embodiment 1：
（1）Sodium alginate is scattered in deionized water under normal temperature, bath raio 1:50, it is slowly added to 10g/L polyamide-amide
The PAMAM aqueous solution, the wherein volume ratio of the PAMAM aqueous solution and sodium alginate aqueous solution are 1:1, after reacting 24h, with distilled water and
Ethanol washs, obtains PAMAM modified sodium alginates after drying repeatedly；（2）Silk-fibroin is dissolved in deionized water, is configured to 10g/
The L aqueous solution, 10g/L ferric chloride in aqueous solution is slowly dropped into silk protein aqueous solution under conditions of 50 DEG C, stirring is equal
It is even, wherein the mass ratio of the silk-fibroin and iron chloride is 10:After 1,60 DEG C is at the uniform velocity stirred 1h, it is slowly added in step 1
The mass ratio of PAMAM modified sodium alginates, modified sodium alginate and silk-fibroin is 1:1, after ultrasonic mixing is uniform, pour into mould
In, 1min in liquid nitrogen is put into, pre-freeze 6h in -20 DEG C of refrigerators is placed in after taking-up, 6h is freezed in -80 DEG C of Thermo ultra low temperature freezers,
It is then placed in 48h in freeze dryer and obtains magnetic porous composite material；（3）Configuration concentration 10g/L graphene oxide water solution,
Ultrasonic 1h, the magnetic porous composite material in step 2 is then immersed in 24h in graphene oxide water solution, bath raio 1:50,
Cleaned repeatedly with ethanol and deionized water after taking-up, graphene oxide-sodium alginate magnetic composite is obtained after vacuum drying.
Embodiment 2：
（1）Sodium alginate is scattered in deionized water under normal temperature, bath raio 1:50, it is slowly added to 40g/L polyamide-amide
The PAMAM aqueous solution, the wherein volume ratio of the PAMAM aqueous solution and sodium alginate aqueous solution are 1:8, after reacting 24h, with distilled water and
Ethanol washs, obtains PAMAM modified sodium alginates after drying repeatedly；（2）Silk-fibroin is dissolved in deionized water, is configured to 50g/
The L aqueous solution, 50g/L ferric sulfate aqueous solution is slowly dropped into silk protein aqueous solution under conditions of 60 DEG C, stirring is equal
It is even, wherein the mass ratio of the silk-fibroin and ferric sulfate is 1:After 1,60 DEG C is at the uniform velocity stirred 1h, it is slowly added in step 1
The mass ratio of PAMAM modified sodium alginates, modified sodium alginate and silk-fibroin is 1:4, after ultrasonic mixing is uniform, pour into mould
In, 1min in liquid nitrogen is put into, pre-freeze 6h in -20 DEG C of refrigerators is placed in after taking-up, 6h is freezed in -80 DEG C of Thermo ultra low temperature freezers,
It is then placed in 48h in freeze dryer and obtains magnetic porous composite material；（3）Configuration concentration 50g/L graphene oxide water solution,
Ultrasonic 1h, the magnetic porous composite material in step 2 is then immersed in 24h in graphene oxide water solution, bath raio 1:50,
Cleaned repeatedly with ethanol and deionized water after taking-up, graphene oxide-sodium alginate magnetic composite is obtained after vacuum drying.
Embodiment 3：
（1）Sodium alginate is scattered in deionized water under normal temperature, bath raio 1:50, it is slowly added to 100g/L polyamide-amide
The PAMAM aqueous solution, the wherein volume ratio of the PAMAM aqueous solution and sodium alginate aqueous solution are 1:10, after reacting 24h, use distilled water
Washed repeatedly with ethanol, obtain PAMAM modified sodium alginates after drying；（2）Silk-fibroin is dissolved in deionized water, is configured to
The 50g/L aqueous solution, 50g/L iron nitrate aqueous solution is slowly dropped into silk protein aqueous solution under conditions of 80 DEG C, stirred
Uniformly, wherein the mass ratio of the silk-fibroin and ferric nitrate is 2:After 1,60 DEG C is at the uniform velocity stirred 1h, it is slowly added in step 1
The mass ratio of PAMAM modified sodium alginates, modified sodium alginate and silk-fibroin is 1:9, after ultrasonic mixing is uniform, pour into mould
In, 1min in liquid nitrogen is put into, pre-freeze 6h in -20 DEG C of refrigerators is placed in after taking-up, 6h is freezed in -80 DEG C of Thermo ultra low temperature freezers,
It is then placed in 48h in freeze dryer and obtains magnetic porous composite material；（3）Configuration concentration 100g/L graphene oxide is water-soluble
Liquid, ultrasonic 1h, the magnetic porous composite material in step 2 is then immersed in 24h in graphene oxide water solution, bath raio 1:
50, cleaned repeatedly with ethanol and deionized water after taking-up, graphene oxide-sodium alginate magnetic coupling material is obtained after vacuum drying
Material.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.Here all embodiments can not be exhaustive.It is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is amplified out still in protection scope of the present invention.
Claims (5)
- A kind of 1. preparation method of graphene oxide-sodium alginate magnetic composite, it is characterised in that：Step 1：Sodium alginate is scattered in deionized water under normal temperature, bath raio 1:50, it is slowly added to 1-100g/L polyamides Amine-amine PAMAM the aqueous solution, the wherein volume ratio of the PAMAM aqueous solution and sodium alginate aqueous solution are 1:1-1:10, after reacting 24h, Washed repeatedly with distilled water and ethanol, obtain PAMAM modified sodium alginates after drying；Step 2：Silk-fibroin is dissolved in deionized water, is configured to the 1g/L-100g/L aqueous solution, will under conditions of 50-80 DEG C The 1g/L-100g/L trivalent iron salt aqueous solution is slowly dropped into silk protein aqueous solution, is stirred, wherein the silk-fibroin Mass ratio with trivalent iron salt is 1:1-10:After 1,60 DEG C is at the uniform velocity stirred 1h, the PAMAM being slowly added in step 1 is modified marine alga Sour sodium, after ultrasonic mixing is uniform, pour into mould, be put into 1min in liquid nitrogen, be placed in pre-freeze 6h in -20 DEG C of refrigerators after taking-up, -80 6h is freezed in DEG C Thermo ultra low temperature freezers, 48h in freeze dryer is then placed in and obtains magnetic porous composite material；Step 3：Configuration concentration 0.1-100g/L graphene oxide water solution, ultrasonic 1h are then more by the magnetic in step 2 Hole composite material is immersed in 24h in graphene oxide water solution, bath raio 1:50, it is repeatedly clear with ethanol and deionized water after taking-up Wash, graphene oxide-sodium alginate magnetic composite is obtained after vacuum drying.
- 2. a kind of preparation method of graphene oxide-sodium alginate magnetic composite according to claim 1, its feature It is, the silk-fibroin is that silk is made after degumming, dissolving, dialysis, purification.
- 3. a kind of preparation method of graphene oxide-sodium alginate magnetic composite according to claim 1, its feature It is, the trivalent iron salt is the one or more in iron chloride, ferric sulfate, ferric nitrate.
- 4. a kind of preparation method of graphene oxide-sodium alginate magnetic composite according to claim 1, its feature It is, the mass ratio of the modified sodium alginate and silk-fibroin is 1:1-1:10.
- A kind of 5. graphene oxide-sodium alginate magnetic composite obtained by claim 1 preparation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710836611.3A CN107474304A (en) | 2017-09-17 | 2017-09-17 | A kind of graphene oxide sodium alginate magnetic composite and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710836611.3A CN107474304A (en) | 2017-09-17 | 2017-09-17 | A kind of graphene oxide sodium alginate magnetic composite and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107474304A true CN107474304A (en) | 2017-12-15 |
Family
ID=60584460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710836611.3A Withdrawn CN107474304A (en) | 2017-09-17 | 2017-09-17 | A kind of graphene oxide sodium alginate magnetic composite and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107474304A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851389A (en) * | 2019-01-12 | 2019-06-07 | 马小良 | A kind of preparation method of magnetic porous ceramics |
| CN112266497A (en) * | 2020-11-04 | 2021-01-26 | 北京航空航天大学 | Shell-like light high-strength composite material and preparation method thereof |
| CN113952936A (en) * | 2021-10-13 | 2022-01-21 | 天津工业大学 | Polyamide-amine modified sodium alginate gel ball for removing heavy metal ions in water and preparation method thereof |
| CN115341306A (en) * | 2022-09-23 | 2022-11-15 | 内蒙古大学 | Graphene aerogel fiber and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572395A (en) * | 2013-11-14 | 2014-02-12 | 东华大学 | Strengthened toughened regenerated silk fibers and preparation method thereof |
| CN106117570A (en) * | 2016-06-24 | 2016-11-16 | 武汉理工大学 | A kind of sodium alginate anti-bacterial hydrogel loading daiamid dendrimer and its preparation method and application |
| CN106830096A (en) * | 2017-02-28 | 2017-06-13 | 东南大学 | A kind of preparation method of magnetic Nano iron oxide |
-
2017
- 2017-09-17 CN CN201710836611.3A patent/CN107474304A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572395A (en) * | 2013-11-14 | 2014-02-12 | 东华大学 | Strengthened toughened regenerated silk fibers and preparation method thereof |
| CN106117570A (en) * | 2016-06-24 | 2016-11-16 | 武汉理工大学 | A kind of sodium alginate anti-bacterial hydrogel loading daiamid dendrimer and its preparation method and application |
| CN106830096A (en) * | 2017-02-28 | 2017-06-13 | 东南大学 | A kind of preparation method of magnetic Nano iron oxide |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851389A (en) * | 2019-01-12 | 2019-06-07 | 马小良 | A kind of preparation method of magnetic porous ceramics |
| CN112266497A (en) * | 2020-11-04 | 2021-01-26 | 北京航空航天大学 | Shell-like light high-strength composite material and preparation method thereof |
| CN112266497B (en) * | 2020-11-04 | 2021-09-14 | 北京航空航天大学 | Shell-like light high-strength composite material and preparation method thereof |
| CN113952936A (en) * | 2021-10-13 | 2022-01-21 | 天津工业大学 | Polyamide-amine modified sodium alginate gel ball for removing heavy metal ions in water and preparation method thereof |
| CN115341306A (en) * | 2022-09-23 | 2022-11-15 | 内蒙古大学 | Graphene aerogel fiber and preparation method thereof |
| CN115341306B (en) * | 2022-09-23 | 2023-04-28 | 内蒙古大学 | Graphene aerogel fiber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mondal et al. | A review on recent advances in polymer and peptide hydrogels | |
| CN107474304A (en) | A kind of graphene oxide sodium alginate magnetic composite and preparation method | |
| Huang et al. | Research progress on double-network hydrogels | |
| Ding et al. | Environment tolerant, adaptable and stretchable organohydrogels: Preparation, optimization, and applications | |
| Zhu et al. | Cellulose/chitosan composite multifilament fibers with two-switch shape memory performance | |
| Cheng et al. | Multifaceted applications of cellulosic porous materials in environment, energy, and health | |
| Tao et al. | Structure and properties of regenerated Antheraea pernyi silk fibroin in aqueous solution | |
| CN104558323B (en) | A kind of highly-water-soluble nano-hexagonal boron nitride and the preparation method of polymer composite aquogel thereof | |
| Zhang et al. | Tunable assembly of amphiphilic rod–coil block copolymers in solution | |
| Xu et al. | Synthesis and properties of an ecofriendly superabsorbent composite by grafting the poly (acrylic acid) onto the surface of dopamine-coated sea buckthorn branches | |
| CN107603240A (en) | Cellulose based on graphene/nano silver wire/silk magnetic porous composite material | |
| Xia et al. | Fabrication and properties of conductive conjugated polymers/silk fibroin composite fibers | |
| Zhang et al. | Functionalization of polyethylene terephthalate fabrics using nitrogen plasma and silk fibroin/chitosan microspheres | |
| CN104013990A (en) | Modified chitosan having catechol group and biomedical material prepared from modified chitosan | |
| CN102444021B (en) | Intelligent waterproof and moisture permeable fabric | |
| Mondal et al. | High lignin containing hydrogels with excellent conducting, self-healing, antibacterial, dye adsorbing, sensing, moist-induced power generating and supercapacitance properties | |
| Shen et al. | Role of divalent metal ions in the function and application of hydrogels | |
| CN107501961A (en) | Titanium dioxide/Nano Silver/silk magnetic porous composite material and preparation method thereof | |
| CN107556522A (en) | Silk/the sodium alginate for loading graphene and nano silver wire is composite porous | |
| CN107118361B (en) | Silk fibroin/carboxymethyl chitosan composite gel and preparation method thereof | |
| Bediako et al. | Saloplastics and the polyelectrolyte complex continuum: Advances, challenges and prospects | |
| CN110028685B (en) | Preparation method of fibroin/chitosan/porous graphene oxide composite three-dimensional scaffold | |
| CN107552095A (en) | The silk three-dimensional porous material and preparation method of carried titanium dioxide Nano Silver | |
| Araujo et al. | Processing and characterization of α-elastin electrospun membranes | |
| Lee et al. | Highly water-absorbing silk yarn with interpenetrating network via in situ polymerization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171215 |