CN109929072A - A kind of freeze proof polysaccharide composite starch hydrogel and preparation method and application - Google Patents
A kind of freeze proof polysaccharide composite starch hydrogel and preparation method and application Download PDFInfo
- Publication number
- CN109929072A CN109929072A CN201910220026.XA CN201910220026A CN109929072A CN 109929072 A CN109929072 A CN 109929072A CN 201910220026 A CN201910220026 A CN 201910220026A CN 109929072 A CN109929072 A CN 109929072A
- Authority
- CN
- China
- Prior art keywords
- starch
- hydrogel
- freeze proof
- preparation
- quality
- 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
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a kind of freeze proof polysaccharide composite starch hydrogel and preparation method and application, using freeze proof polysaccharide and commercial starch as matrix, withNN-isopropylacrylamide (NIPAM) is cross-linking monomer,N’N'Methylene-bisacrylamide (MBA) is crosslinking agent, and 2- hydroxyl -4 '-(2- hydroxy ethoxy) -2- methyl phenyl ketone is initiator, by the preparation of photochemical crosslinking method have tensility can hydrogel, elongation is up to 600%.The hydrogel has anti-freezing property, good flexibility can be kept at subzero 70 DEG C, it is strong to stress stimulating responsive, reaction sensitivity height (0-1 s), it is conductive, stress can be exported as electric signal, there is stretchable resilience performance, it can be used as the material for preparing bionics skin and wearable device, be applied in extremely cold environment.
Description
Technical field
It is responded the present invention relates to stress stimulation under freeze proof hydrogel material technical field more particularly to a kind of low temperature environment
Hydrogel sensor part and preparation method and application.
Background technique
Hydrogel based on strain gauge be mainly used in bionics skin, wearable device and bio-robot etc., so
And since the special water-holding property of hydrogel causes such material that can only use in zero degree environment above, when temperature is lower than zero
It spends, the water freezing solidification in gel loses stress induction performance.For this problem, Development of Novel aquogel system is needed.
KANEKA in 2014 etc. successfully extracts the freeze proof polysaccharide of needle mushroom for the first time, and it is main to be experimentally confirmed its Antifreezing Mechanism
It is to inhibit ice-crystal growth.Flammulina velutipes are in chemical component mainly by glucan and a small amount of galactolipin glycan, xyloglucan
Or several polysaccharide components such as xylose mannosan.Due to its good anti-freezing property, flammulina velutipes have been applied to food
Preservation field.As can flammulina velutipes are applied to aquogel system, will be able to achieve freeze proof hydrogel still has in subzero
Preferable flexibility and stress induction performance.Frost resistance hydrogel is it has been reported that mainly utilize antifreeze (such as ethylene glycol, sweet
Oil etc.) freezing point that reduces water, inhibit ice-crystal growth, realize hydrogel anti-freezing property, but antifreeze and hydrogel pass through physics
Heterozygosis, not can guarantee the mechanical integrity of hydrogel.
Summary of the invention
It is an object of the present invention to provide one kind can mass preparation, realize industrialization freeze proof polysaccharide composite starch hydrogel and
Stress sensing application under preparation and low temperature.The present invention by freeze proof polysaccharide with starch is compound prepares freeze proof hydrogel, and by water
Introduce conductive element in gel, it is quantitative to export stress for electric signal, it is the stress induction of hydrogel at low ambient temperatures
Quantitative assessment parameter can be provided.
Realizing the specific technical solution of the object of the invention is:
A kind of freeze proof polysaccharide composite starch hydrogel of stress stimulation response, feature is: the hydrogel has obvious anti-freezing property,
It is still able to maintain good flexibility and draftability at subzero 70 DEG C, reaction sensitivity height (0-1 strong to stress stimulating responsive
S), conductive energy, can export stress as electric signal, quantitative detection stress intensity；It will be resisted by photochemical crosslinking method
Freezing polysaccharide and the compound preparation of commercially available starch has the hydrogel of tensility energy, cross-linking monomer are as follows:NN-isopropylacrylamide
(NIPAM), crosslinking agent are as follows:N’N'Methylene-bisacrylamide (MBA), photoinitiator are as follows: 2- hydroxyl -4 '-(2- hydroxyl ethoxy
Base) -2- methyl phenyl ketone.
A kind of preparation method of freeze proof polysaccharide composite starch hydrogel, this method comprising the following specific steps
Step 1: freeze proof polysaccharide preparation
It by golden mushroom mycelium strainer filtering, washes 2-3 times, collects precipitating, freeze-drying is ground into powder；By the needle mushroom
1-10 h is extracted after distilled water is added in erinaceus mycelium powder, in 100 DEG C of water-baths, supernatant is collected after centrifugation in triplicate, be concentrated,
Use ethanol precipitation；Solid is collected, it is dry；Wherein, the mycelium solid powder quality: distillation water quality=1: 5-80；Supernatant
Liquid: volume ratio=1 of ethyl alcohol: 1-10；
Step 2: selecting commercially available starch, be added in deionized water, stir into the starch that mass fraction is 10.0-50.0% at room temperature
Cream, and pH to 10.0-14.0 is adjusted with the NaOH solution of 0.1 mol/L, the NaCl suppression of the 1.0-10.0% of starch quality is added
Starch granules expansion processed；The 1,6-HD two of the 3.0-10.0% of addition starch quality shrinks sweet in configured starch milk
The tetrabutylammonium bromide of the 0.6-1.0% of oily ether and starch quality, is warming up to 50 DEG C, is stirred to react 10-24 h；With 0.1 mol/
L HCl solution adjusts pH to 5.0-8.0, and after the water measured with 2-5 times and ethyl alcohol distinguish centrifuge washing, solid vacuum drying is obtained
Starch powder after the modification of 1,6- hexanediol diglycidyl ether saves stand-by after grinding；
Step 3: two pieces of glass slides cleaned up are taken, size: 12 cm x, 1.5 cm x, 1 mm, it will be with a thickness of 0.2~2.0
The silica gel piece of mm is cut into glass slide size, and is covered on one of glass slide；Silica gel piece middle section is cut, is stayed
Having area is the white space of 1.3 cm of 1cm x, on another piece of clean slide lid and silica gel piece, will form edge alignment
Glass slide/silica gel piece/glass slide sandwich structure device；Air in sandwich structure device is extracted out using syringe, and is infused
Enter inert gas；Wherein, the inert gas is nitrogen or argon gas；
Step 4: the starch powder after the 1,6 hexanediol diglycidylether prepared in step 2 modification is added to deionization
In water, 1.5-3.5 h is stirred at 60-90 DEG C, forms the gelatinized corn starch that mass concentration is 1.0-20.0%；By gelatinized corn starch quality
The needle mushroom of 1.0-20.0% freeze proof polysaccharide, 50.0-90.0%NN-isopropylacrylamide, 0.1-10.0%N’ N'Methylene
Base bisacrylamide, photoinitiator 2- hydroxyl -4 '-(2- the hydroxy ethoxy) -2- methyl phenyl ketone and 1.0- of 0.1-10.0%
10.0% NaCl is uniformly mixed with the gelatinized corn starch；In the closing sandwich structure device prepared in mixed liquor injection step 3,
Hydrogel is prepared using UV Light cross-linked polymeric；Its light intensity: 10~100 mW/cm2；Light application time: 0.5~5.5 h；System
Obtain the freeze proof polysaccharide composite starch hydrogel.
The freeze proof polysaccharide component includes glucose, galactolipin glycan, xyloglucan, xylose mannosan and seaweed
Sugar.
The starch is starch from sweet potato, glutinous rice starch, cornstarch, wild acorn starch or pueraria starch.
Freeze proof polysaccharide composite starch hydrogel made from a kind of above method.
The freeze proof polysaccharide composite starch hydrogel, is cut to equal-sized two elongate in shape, size: 2cm
x 1 cm x (0.5-2.0) mm；5-50 min is wherein kept in -70 DEG C of environment of a merging, carries out three after taking-up immediately
Point bending and mechanical stretching test, comparison freezing and non-Refrigerating Machinery performance, what is freezed still maintains mechanical elongation rate 100-
800% and flexibility；The hydrogel has gel frost resistance.
The freeze proof polysaccharide composite starch hydrogel, which is characterized in that being cut to size is 1 cm x of 2cm x
The elongate in shape of (0.5-2.0) mm, both ends are connected with multimeter electrode, when hydrogel stress and deformation, the electricity of multimeter record
Resistance value is changing；The hydrogel has stress stimulation responsiveness.
Application of the freeze proof polysaccharide composite starch hydrogel on the material for preparing bionics skin and wearable device.
The present invention prepares hydrogel, and raw material sources are extensive, and process is simple, the basis with mass production；The water-setting of preparation
Glue has high tensile elongation and electric conductivity, and the variation of resistance is shown to the stimulation of extraneous stress, has frost resistance, zero
Good flexibility and mechanical stretching performance are still kept in lower 70 DEG C of environment, can be used to prepare bionical under suitable extremely cold environment
Skin and wearable flexible apparatus.
Compared with the prior art, the present invention has following outstanding advantages:
Characteristic of the present invention is the freeze proof gel rubber material that exploitation is different from report, using natural freeze proof polysaccharide and starch as primary raw material,
It can show that high flexibility is stretchable, conductive stress stimulation response gel under extremely cold environment by being chemically crosslinked preparation,
It is tested by the stimuli responsive of external force, the preliminary identification gel is as bionics skin, the application potential quality of wearable material.
Technological innovation of the invention is mainly reflected in " one kettle way " and prepares freeze proof polysaccharide composite starch hydrogel, method letter
It is single, it is easy to repeat and produce in enormous quantities, is suitable for industrialization.
Detailed description of the invention
Fig. 1 is freeze proof hydrogel scanning electron microscope (SEM) picture of the stress sensitive of preparation of the embodiment of the present invention, display water outlet
Gel three-dimensional reticular structure.
Fig. 2 is the freeze proof hydrogel extension test picture of the stress sensitive of preparation of the embodiment of the present invention, is shown preferable
Mechanical stretching performance.
Application of the freeze proof polysaccharide composite starch hydrogel of Fig. 3 embodiment of the present invention preparation in terms of stress sensing, water-setting
Glue is still able to maintain high stress perception performance in subzero environment, and is electric signal by stress conversion.
Specific embodiment
With reference to the accompanying drawings and embodiments, the present invention will be described in detail.
Embodiment 1
Step 1: by golden mushroom mycelium strainer filtering, washing two is collected precipitating to three times, is freeze-dried, laboratory room small-sized powder
Broken machine is ground into powder；By the golden mushroom mycelium powder be added distilled water (mycelium solid powder quality: distillation water quality=
1: 20) after, extracting 3 h in 100 DEG C of water-baths, in triplicate, supernatant is collected after centrifugation, be concentrated, with ethanol precipitation, volume ratio is
Supernatant: ethyl alcohol=1: 3, solid is collected, it is dry.
Step 2: selecting commercially available starch from sweet potato, be added in deionized water, stir into the shallow lake that mass fraction is 10.0% at room temperature
Powder cream, and pH to 10.0 is adjusted with the NaOH solution of 0.1 mol/L, the 2.0% of NaCl(starch quality is added) inhibit starch
Grain expansion；1,6 hexanediol diglycidylether (the 3.0% of starch quality) and the tetrabutyl are added in configured starch milk
Ammonium bromide (the 0.6% of starch quality), is warming up to 50 °C, is stirred to react 15 h；With 0.1mol/LHCl solution adjust pH to
6.5, after the water and ethyl alcohol measured with 3 times distinguish centrifuge washing, solid vacuum drying obtains 1,6- hexanediol diglycidyl ether
Commercially available starch from sweet potato after modification saves stand-by after grinding.
Step 3: two pieces of glass slides cleaned up are taken, size: 12 cm x, 1.5 cm x, 1 mm, it will be with a thickness of 0.5
The silica gel piece of mm is cut into glass slide size, and is covered on one of glass slide；Silica gel piece middle section is cut, is stayed
Having area is the white space of 1.3 cm of 1cm x, on another piece of clean slide lid and silica gel piece, will form edge alignment
Glass slide/silica gel piece/glass slide sandwich structure.Air in device is extracted out using syringe, and squeezes into nitrogen.
Step 4: the starch powder after the 1,6 hexanediol diglycidylether prepared in step 2 modification is added to
In ionized water, 2.0 h are stirred at 85 DEG C, form gelatinized corn starch (mass concentration 40.0%)；By the 10.0% of gelatinized corn starch quality
Needle mushroom freeze proof polysaccharide, 70.0%NN-isopropylacrylamide, 1.0%N’ N'Methylene-bisacrylamide, 1.0% light
Initiator 2- hydroxyl -4 '-(2- hydroxy ethoxy) -2- methyl phenyl ketone and 3.0% NaCl are uniformly mixed with above-mentioned gelatinized corn starch；It is mixed
It closes in the closing sandwich structure device prepared in liquid injection step 3, hydrogel is prepared using UV Light cross-linked polymeric；Its
Light intensity: 20 mW/cm2;Light application time: 3h；The freeze proof polysaccharide composite starch hydrogel is made.Scanning electron microscopic observation, preparation
Freeze proof hydrogel have three-dimensional network physical structure it is as shown in Figure 1.
Step 5: hydrogel is cut into two elongate in shape of equal-sized (size: 1 cm x of 2cm x, 0.5 mm),
30 min wherein are kept in -70 DEG C of environment of a merging, three-point bending and mechanical stretching test is carried out after taking-up immediately, compares cold
Froze and the difference of non-freezing gel mechanical performance.The result shows that the gel freezed still maintains preferable mechanical elongation rate
(600%) and flexibility (shown in Fig. 2), illustrate that flammulina velutipes component plays good gel cryoprotective effects.
Step 6: the freeze proof hydrogel stress sensing property test of flammulina velutipes composite starch.It is 1 cm of 2cm x by size
The hydrogel both ends of 0.5 mm of x are connected with multimeter electrode.It when hydrogel stress and deformation, will lead to gel resistance variations, utilize
Multimeter (Agilent 34401A) records increased resistance value (shown in Fig. 3).
Embodiment 2
Step 1: by golden mushroom mycelium strainer filtering, washing two is collected precipitating to three times, is freeze-dried, laboratory room small-sized powder
Broken machine is ground into powder；By the golden mushroom mycelium powder be added distilled water (mycelium solid powder quality: distillation water quality=
1: 30) after, extracting 4h in 100 DEG C of water-baths, in triplicate, supernatant is collected after centrifugation, be concentrated, with ethanol precipitation, volume ratio is
Supernatant: ethyl alcohol=1: 5, solid is collected, it is dry.
Step 2: selecting commercially available glutinous rice starch, be added in deionized water, stir into the shallow lake that mass fraction is 20.0% at room temperature
Powder cream, and pH to 12.0 is adjusted with the NaOH solution of 0.1 mol/L, the 5.0% of NaCl(starch quality is added) inhibit starch
Grain expansion；1,6 hexanediol diglycidylether (the 5.0% of starch quality) and the tetrabutyl are added in configured starch milk
Ammonium bromide (the 0.7% of starch quality), is warming up to 50 DEG C, is stirred to react 20 h；With 0.1mol/LHCl solution adjust pH to
7.0, after the water and ethyl alcohol measured with 3 times distinguish centrifuge washing, solid vacuum drying obtains 1,6- hexanediol diglycidyl ether
Commercially available glutinous rice starch after modification saves stand-by after grinding.
Step 3: two pieces of glass slides cleaned up are taken, size: 12 cm x, 1.5 cm x, 1 mm, it will be with a thickness of 1.5
The silica gel piece of mm is cut into glass slide size, and is covered on one of glass slide；Silica gel piece middle section is cut, is stayed
Having area is the white space of 1.3 cm of 1cm x, on another piece of clean slide lid and silica gel piece, will form edge alignment
Glass slide/silica gel piece/glass slide sandwich structure.Air in device is extracted out using syringe, and squeezes into nitrogen.
Step 4: the starch powder after the 1,6 hexanediol diglycidylether prepared in step 2 modification is added to
In ionized water, 3.0 h are stirred at 85 DEG C, form gelatinized corn starch (mass concentration 20.0%)；
By the freeze proof polysaccharide of 15.0% needle mushroom of gelatinized corn starch quality, 80.0%NN-isopropylacrylamide, 2.0%N’ N'-
Methylene-bisacrylamide, 2.0% photoinitiator 2- hydroxyl -4 '-(2- hydroxy ethoxy) -2- methyl phenyl ketone and 5.0%
NaCl is uniformly mixed with above-mentioned gelatinized corn starch；In the closing sandwich structure device prepared in mixed liquor injection step 3, use is ultraviolet
Light illumination cross-linked polymeric prepares hydrogel；Its light intensity: 40 mW/cm2;Light application time: 2h；The freeze proof polysaccharide composite is made to form sediment
Flour hydrogel.
Step 5: hydrogel is cut into two elongate in shape of equal-sized (size: 1 cm x of 2cm x, 1.5 mm),
40 min wherein are kept in -70 DEG C of environment of a merging, three-point bending and mechanical stretching test is carried out after taking-up immediately, compares cold
Froze and the difference of non-freezing gel mechanical performance.The result shows that the gel freezed still maintains preferable mechanical elongation rate
(700%) and flexibility, illustrate that flammulina velutipes component plays good gel cryoprotective effects.
Step 6: the freeze proof hydrogel stress sensing property test of flammulina velutipes composite starch.It is 1 cm of 2cm x by size
The hydrogel both ends of 1.5 mm of x are connected with multimeter electrode.It when hydrogel stress and deformation, will lead to gel resistance variations, utilize
Multimeter (Agilent 34401A) records increased resistance value.
Embodiment 3
Step 1: by golden mushroom mycelium strainer filtering, washing two is collected precipitating to three times, is freeze-dried, laboratory room small-sized powder
Broken machine is ground into powder；By the golden mushroom mycelium powder be added distilled water (mycelium solid powder quality: distillation water quality=
1: 50) after, extracting 2 h in 100 DEG C of water-baths, in triplicate, supernatant is collected after centrifugation, be concentrated, with ethanol precipitation, volume ratio is
Supernatant: ethyl alcohol=1: 6, solid is collected, it is dry；
Step 2: selecting commercially available cornstarch, be added in deionized water, stir into the starch that mass fraction is 10.0% at room temperature
Cream, and pH to 13.0 is adjusted with the NaOH solution of 0.1 mol/L, the 8.0% of NaCl(starch quality is added) inhibit starch granules
Expansion；1,6 hexanediol diglycidylether (the 3.0% of starch quality) and tetrabutyl bromine are added in configured starch milk
Change ammonium (the 0.6% of starch quality), is warming up to 50 DEG C, is stirred to react 24 h；With 0.1 mol/L HCl solution adjust pH to
7.0, after the water and ethyl alcohol measured with 3 times distinguish centrifuge washing, solid vacuum drying obtains 1,6- hexanediol diglycidyl ether
Commercially available cornstarch after modification saves stand-by after grinding；
Step 3: two pieces of glass slides cleaned up are taken, size: 12 cm x, 1.5 cm x, 1 mm, it will be with a thickness of 1.0 mm's
Silica gel piece is cut into glass slide size, and is covered on one of glass slide；Silica gel piece middle section is cut, there are areas
The load glass of edge alignment is formed by another piece of clean slide lid and silica gel piece for the white space of 1.3 cm of 1cm x
Piece/silica gel piece/glass slide sandwich structure.Air in device is extracted out using syringe, and squeezes into nitrogen；
Step 4: the starch powder after the 1,6 hexanediol diglycidylether prepared in step 2 modification is added to deionization
In water, 3.0 h are stirred at 90 DEG C, form gelatinized corn starch (mass concentration 20.0%)；
By the freeze proof polysaccharide of 10.0% needle mushroom of gelatinized corn starch quality, 70.0%NN-isopropylacrylamide, 1.0%N’ N'-
Methylene-bisacrylamide, 1.0% photoinitiator 2- hydroxyl -4 '-(2- hydroxy ethoxy) -2- methyl phenyl ketone and 6.0%
NaCl is uniformly mixed with above-mentioned gelatinized corn starch；In the closing sandwich structure device prepared in mixed liquor injection step 3, use is ultraviolet
Light illumination cross-linked polymeric prepares hydrogel；Its light intensity: 100mW/cm2;Light application time: 1.0h；The freeze proof polysaccharide composite is made
Starch hydrogel；
Step 5: hydrogel being cut into two elongate in shape of equal-sized (size: 1 cm x 1mm of 2cm x), wherein one
Item be placed in -70 DEG C of environment in keep 30 min, carried out immediately after taking-up three-point bending and mechanical stretching test, comparison freezed and
The difference of non-freezing gel mechanical performance.The result shows that the gel freezed still maintains preferable mechanical elongation rate (700%)
And flexibility, illustrate that flammulina velutipes component plays good gel cryoprotective effects.
Step 6: the freeze proof hydrogel stress sensing property test of flammulina velutipes composite starch.It is 1 cm of 2cm x by size
The hydrogel both ends of 1 mm of x are connected with multimeter electrode.When hydrogel stress and deformation, it will lead to gel resistance variations, utilize ten thousand
Increased resistance value is recorded with table (Agilent 34401A).
Claims (7)
1. a kind of preparation method of freeze proof polysaccharide composite starch hydrogel, which is characterized in that this method comprising the following specific steps
Step 1: freeze proof polysaccharide preparation
It by golden mushroom mycelium strainer filtering, washes 2-3 times, collects precipitating, freeze-drying is ground into powder；By the needle mushroom
After distilled water is added in erinaceus mycelium powder, 1-10h is extracted in 100 DEG C of water-baths, in triplicate, supernatant is collected after centrifugation, be concentrated, used
Ethanol precipitation；Solid is collected, it is dry；Wherein, the mycelium solid powder quality: distillation water quality=1: 5-80；Supernatant:
Volume ratio=1 of ethyl alcohol: 1-10；
Step 2: selecting commercially available starch, be added in deionized water, stir into the starch that mass fraction is 10.0-50.0% at room temperature
Cream, and pH to 10.0-14.0 is adjusted with the NaOH solution of 0.1 mol/L, the NaCl suppression of the 1.0-10.0% of starch quality is added
Starch granules expansion processed；The 1,6-HD two of the 3.0-10.0% of addition starch quality shrinks sweet in configured starch milk
The tetrabutylammonium bromide of the 0.6-1.0% of oily ether and starch quality, is warming up to 50 DEG C, is stirred to react 10-24 h；With 0.1 mol/
LHCl solution adjusts pH to 5.0-8.0, and after the water measured with 2-5 times and ethyl alcohol distinguish centrifuge washing, solid vacuum drying is obtained
Starch powder after the modification of 1,6- hexanediol diglycidyl ether saves stand-by after grinding；
Step 3: two pieces of glass slides cleaned up are taken, size: 12 cm x, 1.5 cm x, 1 mm, it will be with a thickness of 0.2~2.0
The silica gel piece of mm is cut into glass slide size, and is covered on one of glass slide；Silica gel piece middle section is cut, is stayed
Having area is the white space of 1.3 cm of 1cm x, on another piece of clean slide lid and silica gel piece, will form edge alignment
Glass slide/silica gel piece/glass slide sandwich structure device；Air in sandwich structure device is extracted out using syringe, and is infused
Enter inert gas；Wherein, the inert gas is nitrogen or argon gas；
Step 4: the starch powder after the 1,6 hexanediol diglycidylether prepared in step 2 modification is added to deionization
In water, 1.5-3.5 h is stirred at 60-90 DEG C, forms the gelatinized corn starch that mass concentration is 1.0-20.0%；By gelatinized corn starch quality
The needle mushroom of 1.0-20.0% freeze proof polysaccharide, 50.0-90.0%NN-isopropylacrylamide, 0.1-10.0%N’N'Methylene
Bisacrylamide, photoinitiator 2- hydroxyl -4 '-(2- the hydroxy ethoxy) -2- methyl phenyl ketone and 1.0-10.0% of 0.1-10.0%
NaCl uniformly mixed with the gelatinized corn starch；In the closing sandwich structure device prepared in mixed liquor injection step 3, using purple
Outer illumination cross-linked polymeric prepares hydrogel；Its light intensity: 10~100 mW/cm2；Light application time: 0.5~5.5 h；It is made described
Freeze proof polysaccharide composite starch hydrogel.
2. preparation method according to claim 1, which is characterized in that the freeze proof polysaccharide component includes glucose, gala
Sugared glycan, xyloglucan, xylose mannosan and trehalose.
3. preparation method according to claim 1, which is characterized in that the starch is starch from sweet potato, glutinous rice starch, corn
Starch, wild acorn starch or pueraria starch.
4. freeze proof polysaccharide composite starch hydrogel made from a kind of claim 1 the method.
5. freeze proof polysaccharide composite starch hydrogel according to claim 4, which is characterized in that be cut to equal in magnitude
Two elongate in shape, size: 2cm x 1 cm x (0.5-2.0) mm；Wherein 5-50 is kept in -70 DEG C of environment of a merging
Min carries out three-point bending and mechanical stretching test, comparison freezing and non-Refrigerating Machinery performance immediately, freezed still after taking-up
So keep mechanical elongation rate 100-800% and flexibility；The hydrogel has gel frost resistance.
6. freeze proof polysaccharide composite starch hydrogel according to claim 4, which is characterized in that being cut to size is
The elongate in shape of 2cm x 1 cm x (0.5-2.0) mm, both ends are connected with multimeter electrode, when hydrogel stress and deformation,
The resistance value of multimeter record is changing；The hydrogel has stress stimulation responsiveness.
7. a kind of freeze proof polysaccharide composite starch hydrogel as claimed in claim 4 is in the material for preparing bionics skin and wearable device
Application on material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220026.XA CN109929072B (en) | 2019-03-22 | 2019-03-22 | Antifreeze polysaccharide composite starch hydrogel and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220026.XA CN109929072B (en) | 2019-03-22 | 2019-03-22 | Antifreeze polysaccharide composite starch hydrogel and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109929072A true CN109929072A (en) | 2019-06-25 |
| CN109929072B CN109929072B (en) | 2021-03-26 |
Family
ID=66988115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910220026.XA Active CN109929072B (en) | 2019-03-22 | 2019-03-22 | Antifreeze polysaccharide composite starch hydrogel and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109929072B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922612A (en) * | 2019-12-02 | 2020-03-27 | 哈尔滨工程大学 | Preparation method of ionic conductive anti-freezing supramolecular hydrogel |
| CN111139187A (en) * | 2019-12-30 | 2020-05-12 | 华东师范大学 | Flammulina velutipes fungus antifreeze polysaccharide and preparation method and application thereof |
| CN111548428A (en) * | 2020-04-29 | 2020-08-18 | 华东师范大学 | Extraction method of flammulina velutipes antifreeze polysaccharide |
| CN111704677A (en) * | 2020-06-18 | 2020-09-25 | 南京农业大学 | Production technology for separating wheat bran antifreeze polysaccharide by using ice hull method |
| CN114456746A (en) * | 2021-12-30 | 2022-05-10 | 国科温州研究院(温州生物材料与工程研究所) | Composite hydrogel patch and preparation method thereof |
| CN115386259A (en) * | 2022-09-28 | 2022-11-25 | 中国科学院兰州化学物理研究所 | Anti-dry and anti-freezing photosensitive hydrogel ink, preparation method thereof, high-precision photocured hydrogel and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030232895A1 (en) * | 2002-04-22 | 2003-12-18 | Hossein Omidian | Hydrogels having enhanced elasticity and mechanical strength properties |
| CN102492093A (en) * | 2011-12-02 | 2012-06-13 | 宁夏医科大学 | Preparation method and application of ultra-porous hydrogel containing natural plant polysaccharide |
| CN102718928A (en) * | 2012-07-04 | 2012-10-10 | 天津工业大学 | Hydrogel for intelligent desorption of cell sheet layer and application of hydrogel |
| CN103068256A (en) * | 2010-08-25 | 2013-04-24 | 株式会社钟化 | Ice crystallization inhibitor derived from basidiomycetes |
| US20180056266A1 (en) * | 2015-08-04 | 2018-03-01 | Jiangnan University | Triple-responsive Starch-Based Microgel and Preparation Method thereof |
| CN109134762A (en) * | 2018-09-13 | 2019-01-04 | 长春工业大学 | A kind of high intensity, freeze proof, conductive chitosan/acrylamide double-network hydrogel and preparation method thereof |
-
2019
- 2019-03-22 CN CN201910220026.XA patent/CN109929072B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030232895A1 (en) * | 2002-04-22 | 2003-12-18 | Hossein Omidian | Hydrogels having enhanced elasticity and mechanical strength properties |
| CN103068256A (en) * | 2010-08-25 | 2013-04-24 | 株式会社钟化 | Ice crystallization inhibitor derived from basidiomycetes |
| CN102492093A (en) * | 2011-12-02 | 2012-06-13 | 宁夏医科大学 | Preparation method and application of ultra-porous hydrogel containing natural plant polysaccharide |
| CN102718928A (en) * | 2012-07-04 | 2012-10-10 | 天津工业大学 | Hydrogel for intelligent desorption of cell sheet layer and application of hydrogel |
| US20180056266A1 (en) * | 2015-08-04 | 2018-03-01 | Jiangnan University | Triple-responsive Starch-Based Microgel and Preparation Method thereof |
| CN109134762A (en) * | 2018-09-13 | 2019-01-04 | 长春工业大学 | A kind of high intensity, freeze proof, conductive chitosan/acrylamide double-network hydrogel and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JACQUELIN N.VIEIRA, ET AL.: "Starch and chitosan oligosaccharides as interpenetrating phases in poly(N-isopropylacrylamide) injectable gels", 《MATERIALS SCIENCE AND ENGINEERING: C》 * |
| N. OHTANI, ET AL.: "Hydrolysis of starch or pullulan by glucoamylase or pullulanase immobilized on poly(N-isopropylacrylamide) gel", 《COLLOID AND POLYMER SCIENCE》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922612A (en) * | 2019-12-02 | 2020-03-27 | 哈尔滨工程大学 | Preparation method of ionic conductive anti-freezing supramolecular hydrogel |
| CN111139187A (en) * | 2019-12-30 | 2020-05-12 | 华东师范大学 | Flammulina velutipes fungus antifreeze polysaccharide and preparation method and application thereof |
| CN111548428A (en) * | 2020-04-29 | 2020-08-18 | 华东师范大学 | Extraction method of flammulina velutipes antifreeze polysaccharide |
| CN111704677A (en) * | 2020-06-18 | 2020-09-25 | 南京农业大学 | Production technology for separating wheat bran antifreeze polysaccharide by using ice hull method |
| CN111704677B (en) * | 2020-06-18 | 2021-09-24 | 南京农业大学 | Method for separating wheat bran antifreeze polysaccharide by using ice hull method |
| CN114456746A (en) * | 2021-12-30 | 2022-05-10 | 国科温州研究院(温州生物材料与工程研究所) | Composite hydrogel patch and preparation method thereof |
| CN115386259A (en) * | 2022-09-28 | 2022-11-25 | 中国科学院兰州化学物理研究所 | Anti-dry and anti-freezing photosensitive hydrogel ink, preparation method thereof, high-precision photocured hydrogel and application thereof |
| CN115386259B (en) * | 2022-09-28 | 2023-11-14 | 中国科学院兰州化学物理研究所 | Dry-proof and freeze-proof photosensitive hydrogel ink, preparation method thereof, high-precision photo-curing hydrogel and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109929072B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109929072A (en) | A kind of freeze proof polysaccharide composite starch hydrogel and preparation method and application | |
| Oyeyinka et al. | Physicochemical properties of starches with variable amylose contents extracted from bambara groundnut genotypes | |
| de Góes et al. | Temporal variation of the growth, carrageenan yield and quality of Kappaphycus alvarezii (Rhodophyta, Gigartinales) cultivated at Sepetiba bay, southeastern Brazilian coast | |
| Yan et al. | Recent advances in Cordyceps sinensis polysaccharides: Mycelial fermentation, isolation, structure, and bioactivities: A review | |
| Wu et al. | Structural and physical properties of starches isolated from six varieties of millet grown in China | |
| Veeramanipriya et al. | Performance evaluation of hybrid photovoltaic thermal (PVT) solar dryer for drying of cassava | |
| Garcia et al. | Physicochemical characterization of starch from Peruvian sweetpotato selectionsASA Alimentos SA, Lima, Peru | |
| Sit et al. | Yield and functional properties of taro starch as affected by ultrasound | |
| CN101735396A (en) | Method for preparing super absorbent resin by using wheat straw | |
| CN105085703B (en) | A kind of separation, the method for purified polysaccharide from winter jujube | |
| Xu et al. | Diagnosing crop water stress of rice using infra-red thermal imager under water deficit condition | |
| Mahanta et al. | Processing and utilization of jackfruit seeds | |
| CN115096483B (en) | Preparation method and application of flexible pressure sensor with programmable shape | |
| Lumaret | The role of polyploidy in the adaptive significance of polymorphism at the GOT 1 locus in the Dactylis glomerata complex | |
| CN114047184A (en) | Preparation method and application of intelligent indication label for identifying freshness of meat | |
| Kaur et al. | Sweet potato flour and starch | |
| Sajeev et al. | Texture analysis of taro (Colocasia esculenta L. Schott) cormels during storage and cooking | |
| CN104262500B (en) | It is a kind of that there is immunocompetent novel red support dictyophora fungus polysaccharide and its preparation method and application | |
| CN208175298U (en) | A kind of bulbil konjak ganoid konjaku taro chlorination equipment | |
| Di et al. | Genetic variation of hazel (Corylus heterophylla) populations at different altitudes in Xingtangsi forest park in Huoshan, Shanxi, China | |
| CN112940292B (en) | Dendrobium candidum polysaccharide hydrogel and preparation method and application thereof | |
| CN105318822B (en) | A kind of flexible strain transducer based on overlength tellurium micro wire | |
| CN102469818B (en) | Substance-retaining cereal | |
| CN109220537B (en) | Culture method for increasing content of triterpenoids in inonotus obliquus | |
| Bouhallel et al. | Isolation of starch from seven Pearl Millet grain landraces by two processes; wet milling and Ultrasound application |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |