CN107201647A - A kind of natural fiber method of modifying and modified fibre - Google Patents
A kind of natural fiber method of modifying and modified fibre Download PDFInfo
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- CN107201647A CN107201647A CN201710286781.9A CN201710286781A CN107201647A CN 107201647 A CN107201647 A CN 107201647A CN 201710286781 A CN201710286781 A CN 201710286781A CN 107201647 A CN107201647 A CN 107201647A
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- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
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- 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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
- D06M11/71—Salts of phosphoric acids
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
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- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
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- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of natural fiber method of modifying and modified fibre, this method includes：A, natural fiber is washed using organic solvent after be dried in vacuo, obtain cracking fiber；B, by the cracking fiber be scattered in sodium silicate solution and add chelating agent and polyacrylamide after be sufficiently mixed, filtered and low temperature drying successively, obtain modified fibre.The natural fiber that the method for modifying that the present invention is provided is modified is good and applied widely to heavy metal adsorption effect in water.
Description
Technical field
The present invention relates to field of material technology, and in particular to a kind of natural fiber method of modifying and modified fibre.
Background technology
Natural fiber be that nature is original or plant through cultivation on, directly obtain on the animal of artificial feeding
Textile fabric, is the important materials source of textile industry.Although synthetic fibers yield is increased rapidly since 20 middle of century,
Natural fiber still accounts for 50% in textile fabric gross annual output amount.Natural fiber has many advantages such as environmentally friendly, inexpensive.
Natural fiber modified in recent years quite liked by consumer, the physical property such as modified its intensity of natural fiber and
The chemical property such as absorption have many changes.
Chinese patent CN105255207A discloses a kind of modified natural fibers composite and its processing method, and this is combined
Material is to obtain natural fiber after modified and UPE/ polypropylene composite materials；The natural fiber of described modification is by natural fibre
Dimension is first placed in NaOH solution and handled, then is placed in cationic surfactant solution and carries out chemical modification, Ran Hou
Placed in air, then dry and obtain.The natural fiber of the patent is modified using Aqueous phase, passes through sodium hydroxide and cation
Aqueous surfactant solution carries out chemical modification to fiber increases the hydrophobicity of fiber, so as to improve natural-fiber composite material
Moisture pick-up properties and interface performance, while being also improved the mechanical property of material.
Chinese patent CN101200579A discloses a kind of natural fibre reinforced polylactic acid composite material and preparation method thereof.This is answered
Condensation material is made up of PLA and natural fiber through graft modification, and specific preparation process is：By being carried out to PLA matrix
Graft modification, to improve the interface cohesion degree of natural fiber and PLA matrix.First by PLA initiator effect
Lower and maleic anhydride carries out graft reaction, prepares graft modification PLA matrix, then enters polydactyl acid with natural fiber
Row is compound, obtains fully bio-degradable natural fibre reinforced polylactic acid composite material.The composite is than pure PLA, mechanical property
Energy and hot property are all increased, and harsh engineering plastics are required available for preparation condition.
In recent years, with rapid economic development, water pollution problems is increasingly serious, needs a kind of inexpensive environmental protection and processing badly
The good material of effect.
The content of the invention
It is an object of the invention to provide the modification side that a kind of natural fiber method of modifying and modified fibre, the present invention are provided
The natural fiber that method is modified is good and applied widely to heavy metal adsorption effect in water.
To achieve the above object, the present invention provides a kind of natural fiber method of modifying, and this method includes：A, general are natural fine
Dimension is dried in vacuo after being washed using organic solvent, obtains cracking fiber；B, the cracking fiber is scattered in sodium metasilicate
In solution and add and be sufficiently mixed, filtered and low temperature drying successively after chelating agent and polyacrylamide, obtain modified fibre.
Optionally, the vacuum drying condition includes：Vacuum is less than 10Pa, preferably 5Pa, more preferably
1Pa, temperature is 50-120 DEG C, more preferably preferably 80-120 DEG C, 100-120 DEG C.
Optionally, the weight ratio of the cracking fiber, the sodium metasilicate in sodium silicate solution, chelating agent and polyacrylamide is
100：（1-40）：（1-20）：（1-40）, preferably 100：（4-30）：（3-16）：（7-33）, more preferably 100：（8-
20）：（5-12）：（10-20）.
Optionally, the natural fiber includes the one or more in ﹑ maos of Mian ﹑ Ma and silk.
Optionally, the organic solvent includes alcohols, amine and aromatic hydrocarbon, preferably ethanol, ethylenediamine and benzene, further
Preferably ethanol.
Optionally, the concentration of the sodium silicate solution is 2-20 weight %, preferably 4-15 weight %, more preferably 6-
10 weight %.
Optionally, the chelating agent includes tertiary sodium phosphate, sodium citrate or sodium tartrate, preferably tertiary sodium phosphate.
Optionally, the temperature of the low temperature drying is less than 40 DEG C, preferably smaller than 30 DEG C, further less than 20 DEG C.
The present invention also provides the modified fibre prepared by a kind of method provided by the present invention.
The invention has the advantages that：
The natural fiber that the method for modifying that the present invention is provided is modified, it is good to heavy metal adsorption effect in water, and the scope of application
Extensively.And the modified fibre that the present invention is provided is pollution-free, and disposable, price is low, it is adapted to large-scale application.In addition, present invention warp
Cross absorption after natural fiber can be calcined after carry out recovery heavy metal ion, it is convenient and swift, do not pollute the environment.
Embodiment
Detailed description below is used to illustrate the present invention, but is not limited to the scope of the present invention.
To achieve the above object, the present invention provides a kind of natural fiber method of modifying, and this method includes：A, general are natural fine
Dimension is dried in vacuo after being washed using organic solvent, obtains cracking fiber；B, the cracking fiber is scattered in sodium metasilicate
In solution and add and be sufficiently mixed, filtered and low temperature drying successively after chelating agent and polyacrylamide, obtain modified fibre.
The present invention is washed natural fiber using organic solvent, and organic solvent can be made to infiltrate the gap of natural fiber
In, then by vacuum drying after, gap in fiber is carried out to support and split greatly, increase adsorption area, the washing can be into
Row elution, immersion or flushing etc., preferably carry out the immersion of a period of time, for example, soak 10-20 minutes, then carry out vacuum and do
It is dry.Vacuum drying can make the gap of fiber fluffy, function similarly to the effect of " fried hair " compared with regular air is dried.Institute
Stating vacuum drying condition can include：Vacuum is less than 10Pa, and preferably 5Pa, more preferably 1Pa, temperature are 50-
120 DEG C, more preferably preferably 80-120 DEG C, 100-120 DEG C.Temperature is higher, and rate of drying is faster, then fiber gap quilt
Support bigger, but temperature is too high, such as more than 150 DEG C, fiber can be carbonized, so that pulp freeness is reduced, it is fine
Tie up fine, soft fur bending.
Its specific surface area increase of cracking fiber, is conducive to absorption, but the adsorption effect of heavy metal ion is poor, absorption
Speed is slower, in order to improve the adsorption effect, can be further modified using chemical reagent, inventor is with outgoing
It is existing, the ranks are entered with using using sodium metasilicate, chelating agent and polyacrylamide, the absorption effect of natural fiber can be greatly enhanced
Really, adsorption rate and adsorbance can be specifically improved, its reason is can be more after surface of natural fibers absorption above-mentioned substance
Acted on metal ion well, and metal ion is pinned, prevent from departing from, specifically, the cracking fiber, sodium metasilicate are molten
The weight ratio of sodium metasilicate, chelating agent and polyacrylamide in liquid can be 100：（1-40）：（1-20）：（1-40）, it is preferably
100：（4-30）：（3-16）：（7-33）, more preferably 100：（8-20）：（5-12）：（10-20）.
Natural fiber is well-known to those skilled in the art, refers to the fiber of unartificial synthesis, for example, the natural fibre
Dimension includes the one or more in ﹑ maos of cotton ﹑ fiber crops and silk, can be specifically cotton, wool, chicken feather, the rabbit hair and flax etc..
Address, the evaporation rate of organic solvent is faster, and vapour pressure is higher, be more conducive to natural before the effect of organic solvent
Fiber it is fluffy, and washing after natural fiber can further be used, for example, the organic solvent include alcohol
Class, amine and aromatic hydrocarbon, preferably ethanol, ethylenediamine and benzene, more preferably ethanol.
Sodium silicate solution is commonly called as waterglass, can be formed before natural fiber similar to netted structure, so that with reference to
Chelating agent prevents metal ion from departing from, for example, the concentration of the sodium silicate solution is 2-20 weight %, preferably 4-15 weight %,
More preferably 6-10 weight %；The chelating agent can include tertiary sodium phosphate, sodium citrate or sodium tartrate, preferably phosphorus
Sour trisodium.
The effect of low temperature drying is modified fibre is dried, but does not destroy its function again, and is formed with hole
The modified fibre in road is conducive to the entrance of liquid to be adsorbed, improves adsorption effect, for example, the temperature of the low temperature drying is less than 40
DEG C, preferably smaller than 30 DEG C, further less than 20 DEG C.
The present invention also provides the modified fibre prepared by a kind of method provided by the present invention.
The present invention will be further illustrated by embodiment below, but the present invention is not so limited, such as without special theory
Bright, reagent of the invention is that analysis is pure.
The concentration that underwater gold of the embodiment of the present invention belongs to ion is measured using absorbance method.
The embodiment of the present invention uses natural fiber for cotton in Xinjiang.
Embodiment 1
100 grams of cottons are subjected to elution moistening using benzene, are then placed into being dried in vacuum drying chamber, regulation vacuum is
9Pa, temperature is 60 DEG C, and drying time is 2 hours, obtains cracking cotton.
Take cracking cotton and 50 grams of sodium metasilicate（2 weight %）Stirred after mixing, sequentially add 1 gram of sodium citrate and poly-
1 gram of acrylamide, continues to stir 15 minutes, carries out suction filtration, gained filter cake is dried in vacuo at 25 DEG C（Vacuum is 1Pa）
6 hours, obtain modified fibre.
5 grams of modified fibre is fitted into cloth bag and sack is tightened, hexavalent chromium content 500mg/L 1 liter of water is put into
Absorption 30 minutes is carried out in solution, during which the aqueous solution is stirred, specific absorption result is shown in Table 1.
5 grams of modified fibre is fitted into cloth bag and sack is tightened, arsenic content 500mg/L 1 liter of sodium arsenite water is put into
Absorption 30 minutes is carried out in solution, during which the aqueous solution is stirred, specific absorption result is shown in Table 1.
Embodiment 2
Essentially identical with the modification procedure of embodiment 1 and test, difference is that vacuum drying vacuum is 4Pa, specifically
Absorption result is shown in Table 1.
Embodiment 3
Essentially identical with the modification procedure of embodiment 1 and test, difference is that vacuum drying vacuum is 0.5Pa, tool
Body absorption result is shown in Table 1.
Embodiment 4
Essentially identical with the modification procedure of embodiment 1 and test, difference is that vacuum drying temperature is 90 DEG C, specific to inhale
It is attached to the results are shown in Table 1.
Embodiment 5
Essentially identical with the modification procedure of embodiment 1 and test, difference is that vacuum drying temperature is 110 DEG C, specifically
Absorption result is shown in Table 1.
Embodiment 6
Essentially identical with the modification procedure of embodiment 1 and test, difference is the silicic acid in cracking fiber, sodium silicate solution
The weight ratio of sodium, chelating agent and polyacrylamide is 100：40：20：40, specific absorption result is shown in Table 1.
Embodiment 7
Essentially identical with the modification procedure of embodiment 1 and test, difference is the silicic acid in cracking fiber, sodium silicate solution
The weight ratio of sodium, chelating agent and polyacrylamide is 100：5：4：8, specific absorption result is shown in Table 1.
Embodiment 8
Essentially identical with the modification procedure of embodiment 1 and test, difference is the silicic acid in cracking fiber, sodium silicate solution
The weight ratio of sodium, chelating agent and polyacrylamide is 100：28：15：30, specific absorption result is shown in Table 1.
Embodiment 9
Essentially identical with the modification procedure of embodiment 1 and test, difference is the silicic acid in cracking fiber, sodium silicate solution
The weight ratio of sodium, chelating agent and polyacrylamide is 100：9：6：11, specific absorption result is shown in Table 1.
Embodiment 10
Essentially identical with the modification procedure of embodiment 1 and test, difference is the silicic acid in cracking fiber, sodium silicate solution
The weight ratio of sodium, chelating agent and polyacrylamide is 100：18：10：18, specific absorption result is shown in Table 1.
Embodiment 11
Essentially identical with the modification procedure of embodiment 1 and test, difference is that the organic solvent washed is ethanol, specific to inhale
It is attached to the results are shown in Table 1.
Embodiment 12
Essentially identical with the modification procedure of embodiment 1 and test, difference is the weight % of concentration 5 of sodium silicate solution, specifically
Absorption result is shown in Table 1.
Embodiment 13
Essentially identical with the modification procedure of embodiment 1 and test, difference is the weight % of concentration 8 of sodium silicate solution, specifically
Absorption result is shown in Table 1.
Embodiment 14
Essentially identical with the modification procedure of embodiment 1 and test, difference is that chelating agent is tertiary sodium phosphate, specific absorption knot
Fruit is shown in Table 1.
Embodiment 15
Essentially identical with the modification procedure of embodiment 1 and test, difference is that low temperature drying temperature is 10 DEG C, specific absorption
It the results are shown in Table 1.
Comparative example 1
Essentially identical with the modification procedure of embodiment 1 and test, difference is without vacuum drying, directly will be natural fine
Filtering and low temperature drying after dimension is mixed with sodium silicate solution, chelating agent and polyacrylamide, specific absorption result are shown in Table 1.
Comparative example 2
Essentially identical with the modification procedure of embodiment 1 and test, difference is to be added without sodium silicate solution, using equal weight
The water of amount is substituted.
Comparative example 3
Essentially identical with the modification procedure of embodiment 1 and test, difference is to be added without chelating agent, using equivalent weight
Water is substituted.
Comparative example 4
Essentially identical with the modification procedure of embodiment 1 and test, difference is to be added without polyacrylamide, using equal weight
The water of amount is substituted.
Blank example
Without modification, the test in embodiment 1 is carried out using natural fiber.
As can be seen from Table 1, the natural fiber that the method for modifying that the present invention is provided is modified, inhales to heavy metal in water
Attached effect is good, and uses preferred modified condition, and the modified effect of gained modified fibre is good.
Although above with general explanation and embodiment, the present invention is described in detail, in this hair
On the basis of bright, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, exist
Without departing from these modifications or improvements on the basis of spirit of the invention, the scope of protection of present invention is belonged to.
Table 1
Claims (9)
1. a kind of natural fiber method of modifying, it is characterised in that this method includes：
A, natural fiber is washed using organic solvent after be dried in vacuo, obtain cracking fiber；
B, by the cracking fiber be scattered in sodium silicate solution and add chelating agent and polyacrylamide after fully mixed successively
Close, filter and low temperature drying, obtain modified fibre.
2. according to the method described in claim 1, it is characterised in that the vacuum drying condition includes：Vacuum is less than
10Pa, preferably 5Pa, more preferably 1Pa, temperature are 50-120 DEG C, more preferably preferably 80-120 DEG C, 100-
120℃。
3. according to the method described in claim 1, it is characterised in that the cracking fiber, the sodium metasilicate in sodium silicate solution, chela
The weight ratio of mixture and polyacrylamide is 100：（1-40）：（1-20）：（1-40）, preferably 100：（4-30）：（3-16）：
（7-33）, more preferably 100：（8-20）：（5-12）：（10-20）.
4. according to the method described in claim 1, it is characterised in that the natural fiber includes one kind in ﹑ maos of Mian ﹑ Ma and silk
Or it is a variety of.
5. according to the method described in claim 1, it is characterised in that the organic solvent includes alcohols, amine and aromatic hydrocarbon, excellent
Elect ethanol, ethylenediamine and benzene, more preferably ethanol as.
6. according to the method described in claim 1, it is characterised in that the concentration of the sodium silicate solution is 2-20 weight %, preferably
For 4-15 weight %, more preferably 6-10 weight %.
7. according to the method described in claim 1, it is characterised in that the chelating agent includes tertiary sodium phosphate, sodium citrate or wine
Stone acid sodium, preferably tertiary sodium phosphate.
8. according to the method described in claim 1, it is characterised in that the temperature of the low temperature drying is less than 40 DEG C, preferably smaller than
30 DEG C, further less than 20 DEG C.
9. the modified fibre prepared by method in claim 1-8 described in any one.
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| CN201710286781.9A CN107201647A (en) | 2017-04-27 | 2017-04-27 | A kind of natural fiber method of modifying and modified fibre |
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| CN201710286781.9A CN107201647A (en) | 2017-04-27 | 2017-04-27 | A kind of natural fiber method of modifying and modified fibre |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213567A (en) * | 2021-05-28 | 2021-08-06 | 罗嘉瑜 | Sewage treatment agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920466A (en) * | 2014-05-05 | 2014-07-16 | 湖南大学 | Preparation method and application of modified ramie fiber adsorbent |
| CN105113250A (en) * | 2015-08-12 | 2015-12-02 | 中南林业科技大学 | Natural plant fiber modifying agent and surface modifying method of natural plant fibers |
| CN106400127A (en) * | 2016-10-27 | 2017-02-15 | 青岛大学 | Refined processing method of sisal fibers |
-
2017
- 2017-04-27 CN CN201710286781.9A patent/CN107201647A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920466A (en) * | 2014-05-05 | 2014-07-16 | 湖南大学 | Preparation method and application of modified ramie fiber adsorbent |
| CN105113250A (en) * | 2015-08-12 | 2015-12-02 | 中南林业科技大学 | Natural plant fiber modifying agent and surface modifying method of natural plant fibers |
| CN106400127A (en) * | 2016-10-27 | 2017-02-15 | 青岛大学 | Refined processing method of sisal fibers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213567A (en) * | 2021-05-28 | 2021-08-06 | 罗嘉瑜 | Sewage treatment agent and preparation method thereof |
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Application publication date: 20170926 |