CN109944067A - A kind of nano silver particles/cellulose fiber composite material and preparation method - Google Patents
A kind of nano silver particles/cellulose fiber composite material and preparation method Download PDFInfo
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- CN109944067A CN109944067A CN201910162162.8A CN201910162162A CN109944067A CN 109944067 A CN109944067 A CN 109944067A CN 201910162162 A CN201910162162 A CN 201910162162A CN 109944067 A CN109944067 A CN 109944067A
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- cellulose fibre
- silver particles
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- nano silver
- fibre
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- 239000002245 particle Substances 0.000 title claims abstract description 70
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229920003043 Cellulose fiber Polymers 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 14
- 239000004332 silver Substances 0.000 claims abstract description 14
- 229910052709 silver Inorganic materials 0.000 claims abstract description 14
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 229920000433 Lyocell Polymers 0.000 claims description 14
- 229920000297 Rayon Polymers 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 2
- -1 silver ions Chemical class 0.000 claims description 2
- 238000011068 loading method Methods 0.000 abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 abstract description 8
- 238000007306 functionalization reaction Methods 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 241000219927 Eucalyptus Species 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 10
- 239000000908 ammonium hydroxide Substances 0.000 description 10
- 230000035484 reaction time Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-UHFFFAOYSA-N alpha-D-glucopyranose Natural products OCC1OC(O)C(O)C(O)C1O WQZGKKKJIJFFOK-UHFFFAOYSA-N 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of nano silver particles/cellulose fiber composite material and preparation methods, the following steps are included: (1) cellulose fibre pre-processes: cellulose fibre being dispersed in stirring in ammonia spirit and is pre-processed, then controlling fibre concentration in pretreated mixture is 5-20wt%；(2) cellulose fibre Synthesized by Hydrothermal Method silver particles: above-mentioned pretreated mixture is mixed with silver ion, is carried out hydro-thermal reaction, is washed later, dry, obtains the cellulose fibre of loading nano silvery particle.It is reducing agent and carrier that the present invention, which selects biodegradable cellulose fibre, nano silver particles are restored under hydrothermal conditions, condition is simple, it is at low cost, green non-pollution, the cellulose fibre for obtaining loading nano silvery particle has both the superior function of cellulose fiber peacekeeping nano silver, makes cellulose fibre functionalization, can be applied to the fields such as catalysis, antibacterial.
Description
Technical field
The invention belongs to organic/inorganic composite material fields, and in particular to a kind of nano silver particles/cellulose fibre composite wood
Material and preparation method.
Background technique
Currently, according to the type of the preparation method of nano silver and chemical reagent be added, preparation method is mainly divided into
Chemical method, physical method, bioanalysis.Chemical method generallys use sodium borohydride, sodium citrate, ascorbic acid, hydrazine hydrate, element hydrogen etc.
Reducing agent restores silver ion, and physical method mainly includes vaporization condensation process, microwave method, ultrasonic wave added method, laser ablation method etc., and is given birth to
Object method uses the extract of biologic artifact as the drug for preparing nano silver particles, such as enzyme/protein, amino acid, polysaccharide, dimension
Raw element etc., environmental sound.Using high equipment and a large amount of chemical reagent, therefore traditional physical method and chemical method needs
It is at high cost there are energy consumption height, there is certain pollution.
With the development of science and technology following nano silver production technology will be at low cost, consumption is low, pollutes low biological legal system
Standby direction is developed.In original preparation method, the biological reducing method with unique technology and cost advantage will likely become future
The breach of nano silver production technology.Cellulose is the main constituents of plant cell wall, is led to by D- glucopyranose base
Linear polymer made of Isosorbide-5-Nitrae-β-glucosides key connection is crossed, extensive, reproducibility, biodegradable with raw material sources
Property, bio-compatibility the features such as, cellulose have week reduction, can be used as production nano silver green reducing agent.
Summary of the invention
The present invention provides a kind of nano silver particles/cellulose fiber composite material and preparation methods.This method is selected fine
Cellulose fiber is reducing agent and carrier, is added to Ag after ammonium hydroxide impregnates+In solution, a nanometer silver granuel is restored under hydrothermal conditions
Son, condition is simple, at low cost, without adding the chemicals such as reducing agent, dispersing agent, green non-pollution, obtained nanometer silver granuel
Son is evenly distributed on cellulose fibre, uniform particle diameter.
The purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of nano silver particles/cellulose fiber composite material, comprising the following steps:
(1) cellulose fibre pre-processes
Cellulose fibre is dispersed in stirring in ammonia spirit to pre-process, is then controlled in pretreated mixture
Fibre concentration is 5-20wt%；
(2) cellulose fibre Synthesized by Hydrothermal Method silver particles
Above-mentioned pretreated mixture is mixed with silver ion solution, hydro-thermal reaction is carried out, washs later, it is dry, it obtains
To the cellulose fibre of loading nano silvery particle.
Preferably, in step (2), hydrothermal temperature is 60-200 DEG C, reaction time 0.5-36h.
Preferably, in step (2), hydrothermal temperature is 80-180 DEG C, reaction time 1-24h.
Preferably, in step (1), cellulose fibre concentration is 0.1-5wt% when pretreatment, and ammonia spirit concentration is
0.5%-15%.
Preferably, in step (2), cellulose fibre concentration is 0.1-5wt% after mixing with silver ion solution.
Preferably, in step (2), the concentration of silver ions is 0.5-200mmol/L.
Preferably, in step (1), the cellulose fibre includes paper pulp fiber, and seed fiber, tencel fiber, viscose glue are fine
Dimension, Modal fibre.
Preferably, in step (1), stirring rate 500-1500rpm, mixing time 5-120min, whipping temp is
5-40℃。
Preferably, in step (2), the drying temperature is 5 to 100 DEG C, drying time 4-24h.
The present invention provides a kind of nano silver particles/cellulose fiber composite material and preparation methods, obtain a nanometer silver granuel
Son/cellulose fiber composite material, the nano silver particles/cellulose fiber composite material are prepared by method made above.
It is reducing agent that the cellulose fibre being made of cellulose is selected in the present invention, because its surface is rich in a large amount of reproducibility
Group can expose more reproducibility groups, after being added to silver ion solution, silver ion exists after ammonium hydroxide impregnates swollen
Cellulose fiber surface forms silver-colored ammonium ion, makes Ag+/ Ag standard oxidationreduction potential is decreased to+0.38V from+0.799V, in water
More nano silver particles can be restored under heat condition, while cellulose fibre can be with loading nano silvery particle.What is obtained is negative
The cellulose fibre of carrying nano silver particle has both the superior function of cellulose fiber peacekeeping nano silver, makes cellulose fibre functionalization,
It can be processed into fabric, ornament etc., be applied to the fields such as catalysis, antibacterial.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
(1) present invention uses cellulose fibre for reducing agent and carrier, without adding the chemistry such as other reducing agents, dispersing agent
Drug reduces chemicals usage, green non-pollution, biodegradable, the cellulose fibre of obtained loading nano silvery particle
It is easy to Collection utilization.
(2) present invention selects cellulose fibre to restore nano silver particles under hydrothermal conditions, and water is as solvent, without secondary
Pollution, reaction time are short.
(3) nano silver particles that the method for the present invention obtains are uniformly distributed on fiber, uniform particle diameter.
(4) nano silver particles that the method for the present invention obtains are supported on cellulose fibre, make cellulose fibre functionalization, tool
There is the superior function of nano silver.
(5) the method for the present invention is easy to operate, at low cost, and nano silver particles yield can be up to 50wt% or more.
Detailed description of the invention
Fig. 1 is that load obtained in embodiment 1 has SEM of the bleached eucalyptus pulp fiber of nano silver particles under different multiplying
Figure.
Fig. 2 is the SEM figure that load has the Modal fibre of nano silver particles under different multiplying obtained in embodiment 2.
Fig. 3 is the SEM figure that load has the tencel fiber of nano silver particles under different multiplying obtained in embodiment 3.
Fig. 4 is the SEM figure that load has the viscose rayon of nano silver particles under different multiplying obtained in embodiment 4.
Fig. 5 is the XRD diagram that the different cellulose fibres that load has nano silver particles are obtained in embodiment 1,2,3,4.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with specific embodiments and drawings, but of the invention
Protection scope is without being limited thereto.
Embodiment 1
Bleached eucalyptus pulp fiber reduction and loading nano silvery particle, specifically comprise the following steps:
(1) bleached eucalyptus pulp fiber pre-processes
Bleached eucalyptus pulp fiber is dispersed in 3% ammonia spirit, fibre concentration 0.1wt%, mixing time is
30min, stirring rate 500rpm, whipping temp are 20 DEG C, and filter to fibre concentration is 5wt% (by a certain amount of ammonia after stirring
Water is retained in system), obtain the mixture of ammonium hydroxide Yu bleached eucalyptus pulp fiber.
(2) bleached eucalyptus pulp fiber Synthesized by Hydrothermal Method silver particles
The mixture of above-mentioned ammonium hydroxide and bleached eucalyptus pulp fiber is added to 10mmol/L Ag+In solution, fibre concentration is
0.1wt% reacts in a kettle, and reaction temperature is 140 DEG C, and reaction time 4h is washed after reaction, dry 12h at 60 DEG C,
Obtain the bleached eucalyptus pulp fiber of loading nano silvery particle.
Obtained load has SEM figure of the bleached eucalyptus pulp fiber of nano silver particles under different multiplying as shown in Figure 1, logical
Crossing Fig. 1 can be clearly seen that the nano silver particles of bleached eucalyptus pulp fiber surface load, and nano silver particles uniform particle diameter, distribution is
It is even.
Obtained load has the XRD diagram of the bleached eucalyptus pulp fiber of nano silver particles as shown in figure 5, bleached eucalyptus pulp fiber
Silver-colored characteristic absorption peak coincide substantially in the nano silver particles and PDF#04-0783 card of hydrothermal synthesis.
Embodiment 2
Modal fibre reduction and loading nano silvery particle, specifically comprise the following steps:
(1) Modal fibre pre-processes
Modal fibre is dispersed in 15% ammonia spirit, fibre concentration 5wt%, mixing time 5min, is stirred
Rate is 500rpm, and whipping temp is 5 DEG C, and filter to fibre concentration is 20wt% after stirring, obtains ammonium hydroxide and Modal fibre
Mixture.
(2) Modal fibre Synthesized by Hydrothermal Method silver particles
The mixture of above-mentioned ammonium hydroxide and Modal fibre is added to 0.5mmol/L Ag+In solution, fibre concentration is
0.5wt% reacts in a high pressure reaction kettle, and reaction temperature is 180 DEG C, and reaction time 1h is washed after reaction, dried at room temperature
For 24 hours, the Modal fibre of loading nano silvery particle is obtained.
The SEM that obtained load has the Modal fibre of nano silver particles under different multiplying schemes as shown in Fig. 2, passing through figure
2 can be clearly seen that the nano silver particles of Modal fibre area load, and nano silver particles uniform particle diameter is evenly distributed.
Obtained load has the XRD diagram of the Modal fibre of nano silver particles as shown in figure 5, Modal fibre hydrothermal synthesis
Nano silver particles and PDF#04-0783 card in silver-colored characteristic absorption peak coincide substantially.
Embodiment 3
Tencel fiber reduction and loading nano silvery particle, specifically comprise the following steps:
(1) tencel fiber pre-processes
Tencel fiber is dispersed in 5% ammonia spirit, fibre concentration 2wt%, mixing time 60min, stirring speed
Rate is 800rpm, and whipping temp is 40 DEG C, and filter to fibre concentration is 10wt% after stirring, obtains the mixing of ammonium hydroxide and tencel fiber
Object.
(2) tencel fiber Synthesized by Hydrothermal Method silver particles
The mixture of above-mentioned ammonium hydroxide and tencel fiber is added to 50mmol/L Ag+In solution, fibre concentration 1wt%,
It reacts in a high pressure reaction kettle, reaction temperature is 120 DEG C, and reaction time 6h is washed after reaction, and dry 6h, obtains at 80 DEG C
The tencel fiber of loading nano silvery particle.
The SEM that obtained load has the tencel fiber of nano silver particles under different multiplying schemes as shown in figure 3, passing through Fig. 3
It can be clearly seen that the nano silver particles of tencel fiber area load, nano silver particles uniform particle diameter are evenly distributed.
Obtained load has the XRD diagram of tencel fiber of nano silver particles as shown in figure 5, receiving for tencel fiber hydrothermal synthesis
Silver-colored characteristic absorption peak coincide substantially in rice silver particles and PDF#04-0783 card.
Embodiment 4
Viscose rayon reduction and loading nano silvery particle, specifically comprise the following steps:
(1) viscose rayon pre-processes
Viscose rayon is dispersed in 0.5% ammonia spirit, fibre concentration 1wt%, mixing time 120min, is stirred
Rate is 1500rpm, and whipping temp is 15 DEG C, and filter to fibre concentration is 15wt% after stirring, obtains ammonium hydroxide and viscose rayon
Mixture.
(2) viscose rayon Synthesized by Hydrothermal Method silver particles
The mixture of above-mentioned ammonium hydroxide and viscose rayon is added to 200mmol/L Ag+In solution, fibre concentration is
5wt% reacts in a high pressure reaction kettle, and reaction temperature is 80 DEG C, and the reaction time is for 24 hours, to wash after reaction, dry at 100 DEG C
3h obtains the viscose rayon of loading nano silvery particle.
The SEM that obtained load has the viscose rayon of nano silver particles under different multiplying schemes as shown in figure 4, passing through Fig. 4
It can be clearly seen that the nano silver particles of viscose rayon area load, nano silver particles uniform particle diameter are evenly distributed.
Obtained load has the XRD diagram of viscose rayon of nano silver particles as shown in figure 5, receiving for viscose rayon hydrothermal synthesis
Silver-colored characteristic absorption peak coincide substantially in rice silver particles and PDF#04-0783 card.
Above embodiments are only preferrred embodiment of the present invention, for explaining only the invention, are not intended to limit the present invention, this
Field technical staff should belong to guarantor of the invention without departing from change made under spirit of the invention, replacement, modification etc.
Protect range.
Claims (10)
1. a kind of preparation method of nano silver particles/cellulose fiber composite material, which comprises the following steps:
(1) cellulose fibre pre-processes
Cellulose fibre is dispersed in stirring in ammonia spirit to pre-process, then controls fiber in pretreated mixture
Concentration is 5-20wt%；
(2) cellulose fibre Synthesized by Hydrothermal Method silver particles
Above-mentioned pretreated mixture is mixed with silver ion solution, hydro-thermal reaction is carried out, washs later, it is dry, it is born
The cellulose fibre of carrying nano silver particle.
2. the method according to claim 1, wherein hydrothermal temperature is 60-200 DEG C, instead in step (2)
It is 0.5-36h between seasonable.
3. according to the method described in claim 2, it is characterized in that, hydrothermal temperature is 80-180 DEG C, instead in step (2)
It is 1-24h between seasonable.
4. the method according to claim 1, wherein in step (1), cellulose fibre concentration is when pretreatment
0.1-5wt%, ammonia spirit concentration are 0.5%-15%.
5. method described in any one according to claim 1~4, which is characterized in that mixed with silver ion solution in step (2)
Cellulose fibre concentration is 0.1-5wt% after conjunction.
6. according to the method described in claim 5, it is characterized in that, the concentration of silver ions is 0.5- in step (2)
200mmol/L。
7. method described in any one according to claim 1~4, which is characterized in that in step (1), the cellulose fibre
Including paper pulp fiber, seed fiber, tencel fiber, viscose rayon, Modal fibre.
8. method described in any one according to claim 1~4, which is characterized in that in step (1), stirring rate 500-
1500rpm, mixing time 5-120min, whipping temp are 5-40 DEG C.
9. method described in any one according to claim 1~4, which is characterized in that in step (2), the drying temperature is 5
To 100 DEG C, drying time 4-24h.
10. nano silver particles/cellulose fiber composite material of any one of claim 1 to 9 the method preparation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910162162.8A CN109944067A (en) | 2019-03-05 | 2019-03-05 | A kind of nano silver particles/cellulose fiber composite material and preparation method |
| PCT/CN2020/070675 WO2020177485A1 (en) | 2019-03-05 | 2020-01-07 | Nano silver particle/cellulosic fiber composite material and preparation method |
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| CN201910162162.8A CN109944067A (en) | 2019-03-05 | 2019-03-05 | A kind of nano silver particles/cellulose fiber composite material and preparation method |
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| CN110862578A (en) * | 2019-11-26 | 2020-03-06 | 湖南工业大学 | Preparation method of nano-silver adsorption cellulose antibacterial composite material |
| WO2020177485A1 (en) * | 2019-03-05 | 2020-09-10 | 华南理工大学 | Nano silver particle/cellulosic fiber composite material and preparation method |
| CN112169792A (en) * | 2020-11-03 | 2021-01-05 | 西安工程大学 | Flexible Ag-Pd/ZrO2Preparation method of @ carbon fiber cloth catalyst |
| CN114032675A (en) * | 2021-09-14 | 2022-02-11 | 中国林业科学研究院木材工业研究所 | Conductive fiber and preparation method thereof |
| CN115612156A (en) * | 2022-09-14 | 2023-01-17 | 福建师范大学 | Ag NPs-BCM substrate, preparation method thereof and application thereof in cancer marker detection |
| CN116459790A (en) * | 2023-04-24 | 2023-07-21 | 西华师范大学 | Preparation method of flying wadding fiber loaded zero-valent nano silver high-efficiency fixed gaseous iodine material |
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| CN103785852A (en) * | 2014-01-25 | 2014-05-14 | 华南理工大学 | Nanometer silver-nanocrystalline cellulose compound, preparation method of nanometer silver-nanocrystalline cellulose compound, and application of nanometer silver-nanocrystalline cellulose compound |
| CN107699874A (en) * | 2017-09-15 | 2018-02-16 | 天津科技大学 | A kind of nano silver fibre element composite and its preparation method and application |
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| CN1207326C (en) * | 2003-07-18 | 2005-06-22 | 清华大学 | Preparation method of natural high-molecular microsphere whose surface has loaded functional group |
| FI20106086A0 (en) * | 2010-10-21 | 2010-10-21 | Oulun Yliopisto | PHOTO - CATALYTIC MATERIAL |
| CN103611531A (en) * | 2013-12-16 | 2014-03-05 | 长春工业大学 | Preparation method and application of silver oxide/titanium dioxide composite nanofiber photocatalyst |
| CN109944067A (en) * | 2019-03-05 | 2019-06-28 | 华南理工大学 | A kind of nano silver particles/cellulose fiber composite material and preparation method |
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2019
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- 2020-01-07 WO PCT/CN2020/070675 patent/WO2020177485A1/en active Application Filing
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020177485A1 (en) * | 2019-03-05 | 2020-09-10 | 华南理工大学 | Nano silver particle/cellulosic fiber composite material and preparation method |
| CN110862578A (en) * | 2019-11-26 | 2020-03-06 | 湖南工业大学 | Preparation method of nano-silver adsorption cellulose antibacterial composite material |
| CN110862578B (en) * | 2019-11-26 | 2022-06-24 | 湖南工业大学 | Preparation method of nano-silver adsorption cellulose antibacterial composite material |
| CN112169792A (en) * | 2020-11-03 | 2021-01-05 | 西安工程大学 | Flexible Ag-Pd/ZrO2Preparation method of @ carbon fiber cloth catalyst |
| CN112169792B (en) * | 2020-11-03 | 2023-03-24 | 西安工程大学 | Flexible Ag-Pd/ZrO 2 Preparation method of @ carbon fiber cloth catalyst |
| CN114032675A (en) * | 2021-09-14 | 2022-02-11 | 中国林业科学研究院木材工业研究所 | Conductive fiber and preparation method thereof |
| CN114032675B (en) * | 2021-09-14 | 2024-03-29 | 中国林业科学研究院木材工业研究所 | Conductive fiber and preparation method thereof |
| CN115612156A (en) * | 2022-09-14 | 2023-01-17 | 福建师范大学 | Ag NPs-BCM substrate, preparation method thereof and application thereof in cancer marker detection |
| CN115612156B (en) * | 2022-09-14 | 2024-03-01 | 福建师范大学 | Ag NPs-BCM substrate, preparation method thereof and application thereof in cancer marker detection |
| CN116459790A (en) * | 2023-04-24 | 2023-07-21 | 西华师范大学 | Preparation method of flying wadding fiber loaded zero-valent nano silver high-efficiency fixed gaseous iodine material |
| CN116459790B (en) * | 2023-04-24 | 2024-03-29 | 西华师范大学 | Preparation method of flying wadding fiber loaded zero-valent nano silver high-efficiency fixed gaseous iodine material |
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| WO2020177485A1 (en) | 2020-09-10 |
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