CN110423366A - A kind of high-strength sodium alginate material and its preparation method and application - Google Patents
A kind of high-strength sodium alginate material and its preparation method and application Download PDFInfo
- Publication number
- CN110423366A CN110423366A CN201910842274.8A CN201910842274A CN110423366A CN 110423366 A CN110423366 A CN 110423366A CN 201910842274 A CN201910842274 A CN 201910842274A CN 110423366 A CN110423366 A CN 110423366A
- Authority
- CN
- China
- Prior art keywords
- alginate
- metal ion
- mixed
- molar ratio
- mixed metal
- 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- Withdrawn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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention provides a kind of high-strength sodium alginate material and its preparation method and application.The present invention optimizes alginate inherent structure, seaweed raw material is crosslinked by using binary or Diversity metal ion, there is mechanical strength synergistic effect in gained alginate material, with good flame retardant property, it, can Effective Regulation alginate performance in a wide range by control metal ion proportion.The method of the present invention simple process and low cost simultaneously, performance improve significantly, solve the problems, such as that alginate material intensity is low from source, and the present invention has good practical application value.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of high-strength sodium alginate material and its preparation side
Method and application.
Background technique
Disclosing the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without certainty
It is considered as recognizing or implying in any form that information composition has become existing skill well known to persons skilled in the art
Art.
Marine biomass polysaccharide has many advantages, such as abundance, renewable and biodegradable, in novel biomass high score
It is play an important role in sub- material.China's marine algae resource is very rich, using brown algas such as kelp, bulk kelps as the extractable polysaccharide out of raw material
Biolobic material macromolecule --- sodium alginate.Due to characteristics such as inherent flame retardant, high-hygroscopicity and PhastGels, sodium alginate and its
Derivative has broad application prospects in fields such as weaving, medical treatment and food.
Sodium alginate by two kinds of monosaccharide of beta-D-mannuronic acid (M) and its epimer α-L- guluronic acid (G) without
Rule are copolymerized, and molecular backbone is passed through with three kinds of homopolymerization G residue (GG), homopolymerization M residue (MM) and heteromeric GM residue (GM) sequences
β -1,4 and α -1,4 glucosides key connection forms.Gel characteristic is the important performance of sodium alginate, and water soluble algae acid sodium can be with
Ion exchange quickly occurs for divalent or trivalent metal ion.Wherein, G sections of carboxyls and hydroxyl O and metal ion generate chelation,
The tightly packed formation physics cross-linking zone of strand, thus form stable three-dimensional net structure, i.e., insoluble hydrogel.By solidifying
Glue formation mechenism, alginate can be prepared into the forms such as fiber, film and microballoon, to meet textile, packaging film and drug
The requirement of the applications such as slow-release material.
Although seaweed based high molecular material has had conditions for sports industry, mechanical property defect and performance regulation difficulty limitation
Its popularization and application.Therefore, realize that the high performance of seaweed based high molecular material becomes the research hotspot of marine material science.
Application No. is 201610501302.6 Chinese patents to disclose a kind of preparation method of high-intensitive alginate fibre.It is logical
It crosses after alginate is blended or is crosslinked with polyethanol and prepares alginate spinning solution, gained composite fibre breaking strength is significantly
It improves.
Application No. is 201610848098.5 Chinese patents to disclose a kind of system of cellulose/calcium alginate blended fiber
Preparation Method.The addition of cellulose improves the breaking strength of composite fibre, can be applied to Wound dressing.
Inventors have found that above method is to mention the intensity of seaweed based composites effectively by additional second phase material
Height, but the above method increases material preparation process step, and it is low not solve alginate material mechanical strength itself from source
The problems such as.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention provide a kind of high-strength sodium alginate material and preparation method thereof and
Using.The present invention is by optimization alginate inherent structure, by using binary or Diversity metal ion to seaweed raw material
It is crosslinked, strength synergistic effect occurs in gained alginate material, has both good flame retardant property, while passing through control metal
Ion proportion, can Effective Regulation alginate performance in a wide range.
The first aspect of the invention provides and is crosslinked mixed metal ion into seaweed raw material in the sea that raising is prepared
Application in alginate material intensity.
The mixed metal ion includes at least two different metal ions, is also possible to three kinds, four kinds or more.This
The mixed metal ion of invention can be made of the bivalent metal ion for being no less than two kinds, by be no less than two kinds of trivalent metal from
Son is formed or is made of one or more bivalent metal ions and one or more trivalent metal ions.Certainly, of the invention
Metal ion is preferably selected from soluble metallic salt, and such as metal chloride, nitrate, solubility is often larger.
Specifically, the bivalent metal ion includes but is not limited to Ca2+、Ba2+、Cu2+、Zn2+、Pb2+、Cd2+、Sr2+、Co2 +、Ni2+、Mn2+；
The trivalent metal ion includes but is not limited to Fe3+、Al3+；
The molar ratio that single metal ion accounts for mixed metal ion is 0.01~0.99.
Further, the seaweed raw material is that sodium alginate, potassium alginate, ammonium alginate are any one or more of.
Further, the alginate material includes alginate hydrogel, alginate aeroge, alginate fibre
Dimension, alginate film and alginate microsphere, while also including alginate based high molecular composite material, as alginate/
The polymer composites such as polyacrylamide, alginate/polyvinyl alcohol, alginate/graphene, alginate/montmorillonite
Equal nanocomposites etc..
The second aspect of the invention provides a kind of high-strength sodium alginate material, the high-strength sodium alginate material
It is prepared by seaweed raw material mixed metal ionomer.
The third aspect of the invention provides the preparation method of above-mentioned high-strength sodium alginate material, the preparation method
Are as follows: mixed metal ion in Xiang Haizao raw material is prepared by being crosslinked to obtain the final product.
The alginate material preparation method through the invention, with single metal ion crosslinked alginate material phase
Than strength synergistic effect occurs in mixed metal ionomer alginate material, has good flame retardant property, above-mentioned material can
Applied to fields such as function textile, intelligent aqueous gel, medical materials.Therefore, the fourth aspect of the invention provides above-mentioned height
Application of the intensity alginate material in the fields such as including but not limited to function textile, intelligent aqueous gel, medical material.
Compared with prior art, the invention has the following advantages:
(1) the method for the present invention simple process and low cost, performance improve significant.
(2) when the single metal ion of tradition is as crosslinking agent, there are many invalid ionization positions in alginate material
Point invalidates ionization site and maximizes activation, strength synergistic effect occur, from source by mixed metal ionomer
Solve the problems, such as that alginate material intensity is low.
(3) in the present invention by changing mixed metal ion proportion, the performances such as alginate material intensity can be in wide model
Interior carry out Effective Regulation is enclosed, meets the needs of different use occasions, while also effectively increasing the anti-flammability of alginate material
Energy.Therefore, the present invention has good practical application value.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is 7 alginic acid alkali aeroge cross sectional elements distribution map of embodiment.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As previously mentioned, although seaweed based high molecular material has had conditions for sports industry, mechanical property defect and performance tune
Control difficulty limits its popularization and application.And mainly pass through additional second phase material makes the strong of seaweed based composites to existing method
Degree effectively improves, but not only increases material preparation process step, and does not solve alginate material itself from source
The problems such as mechanical strength is low.
In view of this, providing the crosslinking mixed metal ion into seaweed raw material in the specific embodiment of the present invention
Improving the application in the alginate material intensity being prepared.
In still another embodiment of the invention, the mixed metal ion include at least two different metals from
Son is also possible to three kinds, four kinds or more.
The metal ion is bivalent metal ion and trivalent metal ion；It should be noted that inventors have found that at this
In invention, the mixed system is not present without crosslinked action, therefore in the mixed metal ion in the present invention for monovalent metallic ion
Monovalent metallic ion.Also therefore, mixed metal ion of the invention can be made of the bivalent metal ion for being no less than two kinds, by
No less than two kinds of trivalent metal ion forms or by one or more bivalent metal ion and one or more trivalent metals
Ion composition.Certainly, metal ion of the invention is preferably selected from soluble metallic salt, such as metal chloride, nitrate, solubility
It is often larger.
In still another embodiment of the invention, the bivalent metal ion includes but is not limited to Ca2+、Ba2+、Cu2+、
Zn2+、Pb2+、Cd2+、Sr2+、Co2+、Ni2+、Mn2+；
In still another embodiment of the invention, the trivalent metal ion includes but is not limited to Fe3+、Al3+；
In still another embodiment of the invention, the molar ratio that single metal ion accounts for mixed metal ion is 0.01
~0.99.
In still another embodiment of the invention, the mixed metal ion is Fe3+And Ca2+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Ba2+(molar ratio 4:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+、Ba2+And Fe3+(molar ratio 7:
2:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Cu2+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Al3+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ba2+And Zn2+(molar ratio 3:2).
In still another embodiment of the invention, the seaweed raw material is sodium alginate, in potassium alginate, ammonium alginate
It is any one or more.
In still another embodiment of the invention, the alginate material includes alginate hydrogel, alginic acid
Salt aeroge, alginate fiber, alginate film and alginate microsphere, while also including that alginate based high molecular is multiple
Condensation material, such as alginate/polyacrylamide, alginate/polyvinyl alcohol polymer composite, alginate/graphite
Nanocomposites such as alkene, alginate/montmorillonite etc..
In still another embodiment of the invention, a kind of high-strength sodium alginate material, the high intensity seaweed are provided
Silicate material is prepared by seaweed raw material mixed metal ionomer.
In still another embodiment of the invention, the mixed metal ion include at least two different metals from
Son is also possible to three kinds, four kinds or more.
The metal ion is bivalent metal ion and trivalent metal ion；It should be noted that in the present invention, invention
The mixed system is not present without crosslinked action, therefore in the mixed metal ion in the present invention for people's discovery, monovalent metallic ion
Monovalent metallic ion.Also therefore, mixed metal ion of the invention can be made of the bivalent metal ion for being no less than two kinds, by
No less than two kinds of trivalent metal ion forms or by one or more bivalent metal ion and one or more trivalent metals
Ion composition.Certainly, metal ion of the invention is preferably selected from soluble metallic salt, such as metal chloride, solubility often compared with
Greatly.
In still another embodiment of the invention, the bivalent metal ion includes but is not limited to Ca2+、Ba2+、Cu2+、
Zn2+、Pb2+、Cd2+、Sr2+、Co2+、Ni2+、Mn2+；
In still another embodiment of the invention, the trivalent metal ion includes but is not limited to Fe3+、Al3+；
In still another embodiment of the invention, the molar ratio that single metal ion accounts for mixed metal ion is 0.01
~0.99.
In still another embodiment of the invention, the mixed metal ion is Fe3+And Ca2+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Ba2+(molar ratio 4:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+、Ba2+And Fe3+(molar ratio 7:
2:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Cu2+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ca2+And Al3+(molar ratio 1:1)；
In still another embodiment of the invention, the mixed metal ion is Ba2+And Zn2+(molar ratio 3:2).
In still another embodiment of the invention, the seaweed raw material is sodium alginate, in potassium alginate, ammonium alginate
It is any one or more.
In still another embodiment of the invention, the alginate material includes alginate hydrogel, alginic acid
Salt aeroge, alginate fiber, alginate film and alginate microsphere, while also including that alginate based high molecular is multiple
Condensation material, such as alginate/polyacrylamide, alginate/polyvinyl alcohol polymer composite, alginate/graphite
Nanocomposites such as alkene, alginate/montmorillonite etc..
In still another embodiment of the invention, the preparation method of above-mentioned high-strength sodium alginate material is provided, it is described
Preparation method includes: the mixed metal ion into seaweed raw material, is prepared by being crosslinked up to high-strength sodium alginate material.
In still another embodiment of the invention, the mixed method can be one-step method or stepwise process.Wherein, a step
Method, as seaweed raw material crosslinking agent, mixes gold for example, using when preparing alginate fiber using metallic ion mixed liquor
Belong to solion as coagulating bath, the molar ratio by controlling single metal ion in mixed metal ion can Effective Regulation sea
The performances such as the intensity of alginate material；Stepwise process by configuring the single metal ion solution of variety classes, by seaweed acid starting material by
Step impregnates crosslinking in different metal ions solution, for example, preparing the single metal of variety classes when preparing alginate fiber
Solion gradually impregnates crosslinking as coagulating bath, alginate fibre in different coagulating baths, molten by controlling single metal ion
Liquid concentration and soaking time, can Effective Regulation alginate material the performances such as intensity.
The alginate material preparation method through the invention, with single metal ion crosslinked alginate material phase
Than strength synergistic effect occurs in mixed metal ionomer alginate material, has good flame retardant property, therefore, this hair
In bright still another embodiment, above-mentioned high-strength sodium alginate material is provided in including but not limited to function textile, intelligence
Application in the fields such as energy hydrogel, medical material.
Explanation is further explained to the present invention by the following examples, but is not construed as limiting the invention.It should be understood that
These examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Embodiment 1
Configuration concentration is the sodium alginate soln of 4wt%, prepares alginate hydrogel film, crosslink metallic using template
Ion is the FeCl of molar ratio 50/503/CaCl2Mixed solution, concentration 0.5M take out after being crosslinked 48h, soak in deionized water
Bubble 6h removes excess metal ion.
Embodiment 2
Configuration concentration is the sodium alginate soln of 4wt%, prepares alginate hydrogel film, crosslink metallic using template
Ion is the CaCl of molar ratio 80/202/BaCl2Mixed solution, concentration 0.5M take out after being crosslinked 48h, soak in deionized water
Bubble 6h removes excess metal ion.
Embodiment 3
Configuration concentration is the sodium alginate soln of 4wt%, prepares alginate fiber, the first solidification using wet spinning process
Bath and the second gelation are the CaCl of molar ratio 70/20/102/BaCl2/FeCl3Mixed solution, concentration 0.5M.First is solidifying
Gu the bath processing time is 10min, the second gelation handles the time as 10min；The second gelation processing complete take out after go from
6h is impregnated in sub- water removes excess metal ion.
Embodiment 4
Configuration concentration is the potassium alginate solution of 4wt%, prepares alginate fiber, the first coagulating bath using wet spinning
For CaCl2Solution, the second gelation CuCl2Solution, concentration be 0.5M.First coagulating bath handle the time be 15min, second
Coagulating bath handles the time as 5min；The second gelation processing complete take out after impregnate in deionized water 6h remove excess metal from
Son.
Embodiment 5
Configuration concentration is the potassium alginate solution of 4wt%, prepares alginate fiber, the first coagulating bath using wet spinning
For CaCl2Solution, the second gelation AlCl3Solution, concentration be 0.5M.First coagulating bath handles the time as 5min, and second is solidifying
Gu the bath processing time is 15min；The second gelation processing complete take out after impregnate in deionized water 6h remove excess metal from
Son.
Embodiment 6
Configuration concentration is the sodium alginate soln of 4wt%, with acrylamide monomer, N, N- methylene-bisacrylamide and light
Initiator uniformly mixes, and is subsequently poured into mold, is crosslinked 4h under ultraviolet light, is finally that 0.5M mixed metal ion rubs in concentration
You are the FeCl than 50/503/CaCl2It is crosslinked 48h in mixed solution, impregnates 6h in deionized water and removes excess metal ion.
Embodiment 7
Configuration concentration is the sodium alginate soln of 4wt%, prepares alginate hydrogel film, crosslink metallic using template
Ion is the FeCl of molar ratio 50/503/CaCl2Mixed solution, concentration 0.5M take out after being crosslinked 48h, soak in deionized water
Bubble 6h removes excess metal ion, finally carries out freeze-drying process, obtains alginate aeroge.
Embodiment 8
Configuration concentration is sodium alginate/graphene mixed solution of 4wt%, and wherein graphene content is 20%, using mould
Plate method prepares alginate hydrogel, and crosslinking metal ions are the BaCl of molar ratio 60/402/ZnCl2Mixed solution, concentration are
0.5M takes out after being crosslinked 48h, impregnates 6h in deionized water and removes excess metal ion.
1 alginate based aquagel tensile property of table
2 alginic acid alkali flame-retardant fiber performance of table
It should be noted that above example is only used to illustrate the technical scheme of the present invention rather than is limited.Although ginseng
It is described the invention in detail according to given example, but those skilled in the art can be as needed to this hair
Bright technical solution is modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. being crosslinked mixed metal ion into seaweed raw material is improving the application in the alginate material intensity being prepared.
2. application as described in claim 1, which is characterized in that the mixed metal ion include at least two different metals from
Son, the metal ion are bivalent metal ion and trivalent metal ion.
3. application as claimed in claim 2, which is characterized in that the bivalent metal ion includes Ca2+、Ba2+、Cu2+、Zn2+、Pb2 +、Cd2+、Sr2+、Co2+、Ni2+And Mn2+；
The trivalent metal ion includes Fe3+、Al3+；
Preferably, it is 0.01~0.99 that single metal ion, which accounts for the molar ratio of mixed metal ion,.
4. application as described in claim 1, which is characterized in that the seaweed raw material is sodium alginate, potassium alginate, ammonium alginate
It is any one or more of.
5. application as described in claim 1, which is characterized in that the alginate material includes alginate hydrogel, seaweed
Hydrochlorate aeroge, alginate fiber, alginate film and alginate microsphere, alginate/polyacrylamide, alginic acid
Salt/polyvinyl alcohol, alginate/graphene and alginate/montmorillonite.
6. a kind of high-strength sodium alginate material, which is characterized in that the high-strength sodium alginate material is mixed by seaweed raw material
Metal ion crosslinking is prepared.
7. high-strength sodium alginate material as claimed in claim 6, which is characterized in that the mixed metal ion includes at least
Two different metal ions；The metal ion is bivalent metal ion and trivalent metal ion；
Preferably, the bivalent metal ion includes Ca2+、Ba2+、Cu2+、Zn2+、Pb2+、Cd2+、Sr2+、Co2+、Ni2+、Mn2+；
Preferably, the trivalent metal ion includes Fe3+、Al3+；
Preferably, it is 0.01~0.99 that single metal ion, which accounts for the molar ratio of mixed metal ion,；
Preferably, the mixed metal ion is Fe3+And Ca2+(molar ratio 1:1)；
Preferably, the mixed metal ion is Ca2+And Ba2+(molar ratio 4:1)；
Preferably, the mixed metal ion is Ca2+、Ba2+And Fe3+(molar ratio 7:2:1)；
Preferably, the mixed metal ion is Ca2+And Cu2+(molar ratio 1:1)；
Preferably, the mixed metal ion is Ca2+And Al3+(molar ratio 1:1)；
Preferably, the mixed metal ion is Ba2+And Zn2+(molar ratio 3:2)；
Preferably, the seaweed raw material is that sodium alginate, potassium alginate, ammonium alginate are any one or more of；
Preferably, the alginate material includes alginate hydrogel, alginate aeroge, alginate fiber, sea
Thin films of alginate and alginate microsphere, alginate/polyacrylamide, alginate/polyvinyl alcohol, alginate/graphite
Alkene and alginate/montmorillonite.
8. the preparation method of the high-strength sodium alginate material of claim 6 or 7, which is characterized in that the preparation method packet
Include: mixed metal ion in Xiang Haizao raw material is prepared by being crosslinked up to high-strength sodium alginate material.
9. preparation method as claimed in claim 8, which is characterized in that the mixed method is one-step method or stepwise process；
Wherein, one-step method is by mixed metal solion as crosslinking agent, and stepwise process is by a variety of single metal ions
Solution is gradually crosslinked.
10. the high-strength sodium alginate material of claim 6 or 7 is in function textile, intelligent aqueous gel, field of medical materials
In application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842274.8A CN110423366A (en) | 2019-09-06 | 2019-09-06 | A kind of high-strength sodium alginate material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842274.8A CN110423366A (en) | 2019-09-06 | 2019-09-06 | A kind of high-strength sodium alginate material and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110423366A true CN110423366A (en) | 2019-11-08 |
Family
ID=68418809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842274.8A Withdrawn CN110423366A (en) | 2019-09-06 | 2019-09-06 | A kind of high-strength sodium alginate material and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110423366A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022814A (en) * | 2020-08-31 | 2020-12-04 | 海南大学 | Preparation method of oral intestinal administration bimetallic alginate aerogel microspheres |
| CN112048101A (en) * | 2020-09-08 | 2020-12-08 | 西北大学 | Preparation method of double-metal ion synergetic cross-linked sodium alginate microspheres with controllable particle sizes |
| CN113355769A (en) * | 2021-05-31 | 2021-09-07 | 南京林业大学 | Hydroxylated alginic acid fiber and preparation method thereof |
| CN114014690A (en) * | 2021-12-13 | 2022-02-08 | 安徽创新秸秆利用有限公司 | High-strength continuous porous shale straw sintered brick and preparation method thereof |
| CN115506048A (en) * | 2022-10-28 | 2022-12-23 | 内蒙古大学 | Method and device for continuously preparing and collecting bionic nano composite fiber material |
-
2019
- 2019-09-06 CN CN201910842274.8A patent/CN110423366A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022814A (en) * | 2020-08-31 | 2020-12-04 | 海南大学 | Preparation method of oral intestinal administration bimetallic alginate aerogel microspheres |
| CN112048101A (en) * | 2020-09-08 | 2020-12-08 | 西北大学 | Preparation method of double-metal ion synergetic cross-linked sodium alginate microspheres with controllable particle sizes |
| CN113355769A (en) * | 2021-05-31 | 2021-09-07 | 南京林业大学 | Hydroxylated alginic acid fiber and preparation method thereof |
| WO2022252955A1 (en) * | 2021-05-31 | 2022-12-08 | 南京林业大学 | Hydroxylated alginate fiber and preparation method therefor |
| CN114014690A (en) * | 2021-12-13 | 2022-02-08 | 安徽创新秸秆利用有限公司 | High-strength continuous porous shale straw sintered brick and preparation method thereof |
| CN115506048A (en) * | 2022-10-28 | 2022-12-23 | 内蒙古大学 | Method and device for continuously preparing and collecting bionic nano composite fiber material |
| CN115506048B (en) * | 2022-10-28 | 2024-01-05 | 内蒙古大学 | Continuous preparation and collection method and device for bionic nano composite fiber material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110423366A (en) | A kind of high-strength sodium alginate material and its preparation method and application | |
| CN103741260B (en) | Dual network enhancement mode calcium alginate fibre and preparation method thereof | |
| CN103147167B (en) | Preparation method of nano-silver alginate fiber | |
| Kumar et al. | Xanthan gum/bioactive silica glass hybrid scaffolds reinforced with cellulose nanocrystals: morphological, mechanical and in vitro cytocompatibility study | |
| CN106702533A (en) | High-strength alginate composite fiber, and preparation method and use thereof | |
| CN104652119B (en) | A kind of preparation method of double-network hydrogel fiber and products thereof | |
| CN108276522A (en) | Can 3D printing the double cross-linked alginate-polyacrylamide acrylic acid high-performance water gels of iron ion preparation method | |
| CN103741261B (en) | Calcium alginate/macrogol ester dual network phase-change energy-storage fibre and preparation method thereof | |
| CN109847661B (en) | Preparation method of graphene oxide and silver nanowire assembled ternary elastic hydrogel | |
| CN105601950A (en) | Sodium alginate-agar dual-network high-strength natural hydrogel material, and preparation method thereof | |
| CN106009031B (en) | A method of improving the mechanical strength of cellulose aerogels | |
| CN109267240A (en) | A kind of medical dressing chitosan/calcium alginate needleless electrostatic spinning nano fiber film and preparation method thereof | |
| CN106435833B (en) | A kind of chemical crosslinking modified alginate fiber and preparation method thereof | |
| CN105641739A (en) | Antibacterial and hemostasia compound sponge and preparation method thereof | |
| CN108976439B (en) | Preparation method of intelligent response type hydrogel with interpenetrating network structure | |
| CN110585485A (en) | Novel bamboo fiber/hydroxyapatite/chitosan composite membrane and preparation method thereof | |
| CN107233612A (en) | A kind of cross-linking radiation hemostasis gel material and preparation method thereof | |
| CN112480312A (en) | Preparation method of high-elasticity high-strength double-crosslinking porous hydrogel | |
| CN106267366A (en) | A kind of method that high-strength and high ductility polyion hydrogel scaffold is prepared in the 3D of utilization printing | |
| US20060240080A1 (en) | Alginate sponge and preparation method thereof | |
| CN106750392A (en) | The preparation method of PVA-GO Nanometer composite hydrogels | |
| CN104403249A (en) | Preparation method of antibacterial super absorbent resin | |
| CN103741257B (en) | Acrylic amide network strengthens calcium alginate fibre and preparation method thereof | |
| CN116925392A (en) | Microphase separation tough hydrogel with excellent anti-swelling performance and preparation method thereof | |
| CN103480038B (en) | Preparation method for chitosan/hydroxyapatite composite hydrogel |
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 |
Application publication date: 20191108 |
|
| WW01 | Invention patent application withdrawn after publication |