CN105624833A - Preparation method of magnetic alginate fiber - Google Patents
Preparation method of magnetic alginate fiber Download PDFInfo
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- CN105624833A CN105624833A CN201610120543.6A CN201610120543A CN105624833A CN 105624833 A CN105624833 A CN 105624833A CN 201610120543 A CN201610120543 A CN 201610120543A CN 105624833 A CN105624833 A CN 105624833A
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- magnetic
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- seaweed fiber
- sodium alginate
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/04—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of alginates
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a preparation method of magnetic alginate fiber. Firstly, a surface stabilizer which is a magnetic nanoparticle water dispersion with hydrophilic negatively charged functional groups is prepared; then the obtained magnetic nanoparticle water dispersion is added to a sodium alginate solution with the mass fraction of 3%-10%, and a magnetic nanoparticle-sodium alginate spinning solution is prepared by full stirring; the spinning solution is subjected to drafting, washing and drying after calcium chloride coagulation bath. Magnetic nanoparticles are uniformly distributed in the alginate fiber, magnetic agglomeration is avoided, the interaction force of the magnetic nanoparticles and the alginate fiber is high, and the magnetic nanoparticles are not easy to be dissolved out, so that the magnetization intensity of the alginate fiber is high and adjustable, and the stability is good; the magnetic alginate fiber has excellent magnetism, hygroscopicity, breathability and resistance to electromagnetic radiation and is suitable for health-case clothing and fabrics, and particularly for health care underwear and the like.
Description
Technical field
The present invention relates to technical field of fiber preparation, it is specifically related to the preparation method of a kind of magnetic seaweed fiber.
Background technology
Magnetic fibre is a kind of functional fibre that human body has certain health-care effect. Human body has biological magnetic field, and each cell is a micro-magnetic cell, and therefore the change of external magnetic field can by the physiological function of the systematic influence human bodies such as nerve, body fluid. Based on this kind of principle, the textile fibres with magnetic is woven into health care fabric such as body shaping health-care underclothes etc., adjusts the function of human body, it is possible to play the effect of disease-resistant health care.
The preparation of magnetic textile fibres generally adopts co-blended spinning method, in the melt directly joining fibre-forming polymer by the magnetic particle (general particle diameter is less than 1 ��m) of nanoscale or spinning solution; Or by first for magnetic and mixed with polymers granulation, then join in polymer melt or spinning solution, then through the obtained magnetic fibre of melt-spinning or solvent spinning. Current most of magnetic fibre is prepared all in this way, and the magnetic fibre magnetic-particle of preparation is evenly implanted in fibrous inside, difficult drop-off, wash resistant, rub resistance, belongs to permanent type magnetic therapy product.
It should be noted that, it is generally that the underclothes making directly contact skin use that magnetic fibre is used in healthcare product, such as underwear, underpants, knee-pad, elbow support etc., but existing magnetic fibre is with synthon as substrate material mostly, makes the problem that underclothes can exist comfortable property. Regenerated fibre take natural polymer as raw material, and its chemical structure is also substantially identical with natural polymer, its moisture absorption and good permeability, and degree comfortable and easy to wear to be significantly higher than synthon, is applicable to making underclothes. CN101288842B discloses a kind of magnetic immunoadsorption fiber and its preparation method, and magnetic colloidal sol is coated to ceramic fiber for it and organic fibre surface obtains magnetic fibre, but magnetic particle easily comes off at fiber surface.
In currently available technology, the research preparing magnetic fibre using regenerated fibre as substrate material is comparatively rare.
Summary of the invention
For above-mentioned problems of the prior art, the present invention proposes the preparation method of a kind of magnetic seaweed fiber, the fiber that the method prepares has good magnetic, water absorbability, ventilation property and anti-electromagnetic-radiation, be suitable for the use of the aspects such as health clothing, fabric, particularly health-care underclothes.
For achieving the above object, the technical solution adopted in the present invention is:
A preparation method for magnetic seaweed fiber, comprises the following steps successively:
A prepares the magnetic nano-particle aqueous dispersions that surface stabilizer is wetting ability negative electricity functional group;
B configuration quality mark is the sodium alginate soln of 3��10%;
Step a gained magnetic nano-particle aqueous dispersions is joined in step b gained sodium alginate soln by c, fully stirs to obtain magnetic nano-particle-sodium alginate spinning solution;
Step c gained magnetic nano-particle-sodium alginate spinning solution after calcium chloride coagulation bath, is obtained nascent fibre by d;
Described nascent fibre after drawing-off, washing, drying, is obtained magnetic seaweed fiber by e.
In technique scheme, choosing at raw material, alginate fiber (abbreviation seaweed fiber) is a kind of novel regenerated fibre, there is excellent sucting wet air permeability and biocompatibility, comparing with regenerated fibre (such as viscose fiber, regenerated cellulose fibre etc.) with the natural fiber (such as cotton fibre etc.) of other kind, seaweed fiber has the natural characteristic from flame retardant resistance, static resistance and anti-electromagnetic-radiation; Magnetic nano-particle can be uniformly distributed in seaweed fiber, can not produce the phenomenons such as gathering, and therefore, the magnetic seaweed fiber prepared is while ensureing good magnetic, and tensile strength is not influenced; Take seaweed fiber as the feature that the magnetic fibre that matrix obtains must have comfortable property and multi-functional concurrently, it is more suitable for the preparation of health care fabric.
As a preferred version of the present invention, the preparation process of magnetic nano-particle aqueous dispersions is: by a certain amount of magnetic nano-particle powder, joins in 1��50mL deionized water, is obtained by ultrasonic disperse.
As another preferred version of the present invention, in step a, described magnetic nano-particle is ferromegnetism or superparamagnetism.
Preferably, described magnetic nano-particle is the mixture of a kind of in iron protoxide, ferric oxide, Z 250 or any two kinds, and the end group of described wetting ability negative electricity functional group is carboxyl, sulfonic acid group or sulfate groups.
Preferably, in step c, in described magnetic nano-particle aqueous dispersions, the add-on of magnetic nano-particle is the 0.3��5% of sodium alginate quality.
In technique scheme, in electrostatic repulsion between magnetic nano-particle and sodium alginate, the magnetic nano-particle of this proportioning mixes the gathering preventing bi-material with sodium alginate soln, make magnetic nano-particle can evenly, stable dispersion is in spinning solution.
Preferably, in steps d precipitation bath, control temperature is 18��50 DEG C.
Preferably, in step e, the ratio of drawing of nascent fibre is 120��300%.
Preparation method's principle of the present invention is as follows:
The magnetic nano-particle that surface is negative electricity group mixes with the surperficial sodium alginate being similarly negative charge and prepares spinning solution, electrostatic repulsion is utilized to make magnetic nano-particle be dispersed in spinning solution, then by control spinning technique, make magnetic nano-particle and sodium alginate by solidifying to form conjugated fibre after precipitation bath simultaneously, originally in spinning solution, the magnetic nano-particle of evenly dispersion is fixed in alginate calcium matrix, achieve magnetic nano-particle even dispersion in the fibre, thus prepare magnetic seaweed fiber.
In magnetic seaweed fiber of the present invention, magnetic particle is distributed in the inside of seaweed fiber, and magnetic particle is evenly distributed, therefore magnetic fibre had both had satisfactory stability and magnetic property, can regulate the specific magnetising moment of seaweed fiber by controlling the addition of magnetic particle; By controlling the type of the surface stabilizer of magnetic particle, magnetic particle is evenly distributed in the fibre, avoid magnetic reunite, and the interaction force of magnetic particle and seaweed fiber is strong, magnetic particle not easily stripping, therefore the magnetic fibre specific magnetising moment is equal one, adjustable, good stability; Whole preparation process all carries out in aqueous phase, environmental protection.
In addition, the raw material of seaweed fiber is the extract of the natural marine plant such as sea-tangle, brown alga, is conducive to solving the problem of " ground striven by grain and cotton ", more is conducive to driving blue economic development.
The present invention first prepares magnetic nano-particle in aqueous phase, then prepares magnetic fibre with it, but not generates magnetic particle while fiber-forming, is so more conducive to the improvement to fiber magnetic and regulation and control, and the character of fiber itself also more easily regulates simultaneously; By the type of the magnetic nano-particle that control adds, it is possible to the obtained seaweed fiber with permanent magnetism or superparamagnetism as required; The composite magnetic fiber of the present invention maintains the intensity of seaweed fiber itself.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 is the filament stretch graphic representation of pure seaweed fiber;
Fig. 2 is the filament stretch graphic representation of the magnetic seaweed fiber that the present invention prepares.
Embodiment
Below in conjunction with specific embodiment, the present invention is elaborated.
Embodiment 1:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the SPIO of sulfonic group, Magneto separate, washing, and vacuum-drying obtains black powder, get 0.1g and add 1mL deionized water ultrasonic disperse and obtain ferriferrous oxide nano-particle dispersion liquid;
2nd step, get 26.316g sodium alginate powder, use 500mL deionized water dissolving, add ferriferrous oxide nano-particle dispersion liquid, it is uniformly mixed, solution shows as electrostatic repulsion between the sulfonic group of nanoparticle surface and the carboxylic acid group of sodium alginate, filters further, obtain spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 5% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
As shown in Figure 2, breaking tenacity is 1.27cN/dtex to the filament stretch graphic representation of the magnetic seaweed fiber that the present embodiment prepares, and elongation at break is 5.53%.
In order to verify the performance of the magnetic seaweed fiber that the present invention prepares further, contriver tests pure seaweed fiber breaking tenacity and elongation at break further, test result is as shown in Figure 1, in the filament stretch graphic representation of pure seaweed fiber, breaking tenacity is 1.18cN/dtex, and elongation at break is 6.87%.
Embodiment 2:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the SPIO of carboxyl, and the drying of centrifuge washing final vacuum, obtains brown powder, get 5g and add 50mL deionized water ultrasonic disperse and obtain ferriferrous oxide nano-particle dispersion liquid;
2nd step, get 100g sodium alginate powder, use 2000mL deionized water dissolving, add ferriferrous oxide nano-particle dispersion liquid, it is uniformly mixed, solution shows as electrostatic repulsion between the carboxyl of nanoparticle surface and the carboxylic acid group of sodium alginate, filters further, obtain spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 5% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
The breaking tenacity of the magnetic seaweed fiber that the present embodiment obtains is 1.44cN/dtex, and elongation at break is 3.85%.
Embodiment 3:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the SPIO of sulfate groups, and the drying of centrifuge washing final vacuum, obtains brown powder, get 0.1g and add 1mL deionized water ultrasonic disperse and obtain ferriferrous oxide nano-particle dispersion liquid;
2nd step, get 26.316g sodium alginate powder, use 500mL deionized water dissolving, add ferriferrous oxide nano-particle dispersion liquid, it is uniformly mixed, solution shows as electrostatic repulsion between the carboxyl of nanoparticle surface and the carboxylic acid group of sodium alginate, filters further, obtain spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 5% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
The breaking tenacity of the magnetic seaweed fiber that the present embodiment obtains is 1.41cN/dtex, and elongation at break is 4.65%.
Embodiment 4:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the SPIO of sulfonic group, Magneto separate, washing, and vacuum-drying obtains black powder, get 0.1g and add 1mL deionized water ultrasonic disperse and obtain ferriferrous oxide nano-particle dispersion liquid;
2nd step, get 26.316g sodium alginate powder, use 500mL deionized water dissolving, add ferriferrous oxide nano-particle dispersion liquid, it is uniformly mixed, solution shows as electrostatic repulsion between the sulfonic group of nanoparticle surface and the carboxylic acid group of sodium alginate, filters further, obtain spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 3% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
The breaking tenacity of the magnetic seaweed fiber that the present embodiment obtains is 2.00cN/dtex, and elongation at break is 3.87%.
Embodiment 5:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the permanent magnetism MnFe of carboxyl2O4Microballoon, centrifugal washing final vacuum is dry, gets 0.1gMnFe2O4Microballoon, is dispersed in 1mL deionized water, obtains MnFe after ultrasonic2O4Microballoon dispersion liquid;
2nd step, get 36.84g sodium alginate powder, use 700mL deionized water dissolving, add MnFe2O4Microballoon dispersion liquid, is uniformly mixed, and shows as electrostatic repulsion in solution between the carboxyl of microsphere surface and the carboxylic acid group of sodium alginate, filters further, obtains spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 5% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
The breaking tenacity of the magnetic seaweed fiber that the present embodiment obtains is 2.22cN/dtex, and elongation at break is 3.80%.
Embodiment 6:
The preparation method of magnetic seaweed fiber of the present invention, specifically comprises the following steps:
The first step, preparation surface are the permanent magnetism Fe of carboxyl2O3Microballoon, places 6h at 60 DEG C after centrifugal washing and is dried, get 0.1gFe2O3Microballoon, is dispersed in 1mL deionized water, obtains Fe after ultrasonic2O3Microballoon dispersion liquid;
2nd step, get 36.84g sodium alginate powder, use 700mL deionized water dissolving, add Fe2O3Microballoon dispersion liquid, is uniformly mixed, and shows as electrostatic repulsion in solution between the carboxyl of microsphere surface and the carboxylic acid group of sodium alginate, filters further, obtains spinning solution after vacuum defoamation;
3rd step, spinning solution enter room temperature by wet spinning frame through spinning nozzle, massfraction be 5% calcium chloride water in solidify, obtain nascent fibre;
4th step, nascent fibre are dry after drawing-off, washing, and oiling treatment, obtains magnetic seaweed fiber.
The breaking tenacity of the magnetic seaweed fiber that the present embodiment obtains is 1.36cN/dtex, and elongation at break is 4.39%.
It should be noted that, any equivalent way that those skilled in the art make under the instruction of this specification sheets, or obviously variant all should in protection scope of the present invention.
Claims (7)
1. the preparation method of a magnetic seaweed fiber, it is characterised in that, comprise the following steps successively:
A prepares the magnetic nano-particle aqueous dispersions that surface stabilizer is wetting ability negative electricity functional group;
B configuration quality mark is the sodium alginate soln of 3��10%;
Step a gained magnetic nano-particle aqueous dispersions is joined in step b gained sodium alginate soln by c, fully stirs to obtain magnetic nano-particle-sodium alginate spinning solution;
Step c gained magnetic nano-particle-sodium alginate spinning solution after calcium chloride coagulation bath, is obtained nascent fibre by d;
Described nascent fibre after drawing-off, washing, drying, is obtained magnetic seaweed fiber by e.
2. the preparation method of magnetic seaweed fiber according to claim 1, it is characterised in that, the preparation process of magnetic nano-particle aqueous dispersions is: by a certain amount of magnetic nano-particle powder, joins in 1��50mL deionized water, is obtained by ultrasonic disperse.
3. the preparation method of magnetic seaweed fiber according to claim 1, it is characterised in that: in step a, described magnetic nano-particle is ferromegnetism or superparamagnetism.
4. the preparation method of magnetic seaweed fiber according to claim 3, it is characterized in that: described magnetic nano-particle is the mixture of a kind of in iron protoxide, ferric oxide, Z 250 or any two kinds, the end group of described wetting ability negative electricity functional group is carboxyl, sulfonic acid group or sulfate groups.
5. the preparation method of magnetic seaweed fiber according to claim 1, it is characterised in that: in step c, in described magnetic nano-particle aqueous dispersions, the add-on of magnetic nano-particle is the 0.3��5% of sodium alginate quality.
6. the preparation method of magnetic seaweed fiber according to claim 1, it is characterised in that: in the precipitation bath described in steps d, control temperature is 18��50 DEG C.
7. the preparation method of magnetic seaweed fiber according to claim 1, it is characterised in that: in step e, the ratio of drawing of nascent fibre is 120��300%.
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Cited By (7)
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| CN106480544A (en) * | 2016-09-21 | 2017-03-08 | 青岛大学 | A kind of preparation method of Ink sepiellae seu sepiae alginate composite fiber |
| CN106480545A (en) * | 2016-09-21 | 2017-03-08 | 青岛大学 | A kind of preparation method of coloring alginate fiber |
| CN109868525A (en) * | 2019-02-19 | 2019-06-11 | 青岛海赛尔新材料科技有限公司 | A kind of preparation method of high intensity seaweed and polyvinyl alcohol blending fiber |
| CN111155197A (en) * | 2020-01-10 | 2020-05-15 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
| CN115233335A (en) * | 2022-09-01 | 2022-10-25 | 青岛大学 | Flexible liquid metal/seaweed composite fiber and preparation method thereof |
| CN115400256A (en) * | 2022-08-18 | 2022-11-29 | 东华大学 | Preparation method of magnetic composite fiber, magnetic composite fiber and application thereof |
| CN115537967A (en) * | 2022-11-09 | 2022-12-30 | 东华大学 | Magnetic adjustable polymer/ferrite hybrid fiber and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480544A (en) * | 2016-09-21 | 2017-03-08 | 青岛大学 | A kind of preparation method of Ink sepiellae seu sepiae alginate composite fiber |
| CN106480545A (en) * | 2016-09-21 | 2017-03-08 | 青岛大学 | A kind of preparation method of coloring alginate fiber |
| CN109868525A (en) * | 2019-02-19 | 2019-06-11 | 青岛海赛尔新材料科技有限公司 | A kind of preparation method of high intensity seaweed and polyvinyl alcohol blending fiber |
| CN111155197A (en) * | 2020-01-10 | 2020-05-15 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
| CN111155197B (en) * | 2020-01-10 | 2021-01-19 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
| CN115400256A (en) * | 2022-08-18 | 2022-11-29 | 东华大学 | Preparation method of magnetic composite fiber, magnetic composite fiber and application thereof |
| CN115233335A (en) * | 2022-09-01 | 2022-10-25 | 青岛大学 | Flexible liquid metal/seaweed composite fiber and preparation method thereof |
| CN115233335B (en) * | 2022-09-01 | 2024-01-26 | 青岛大学 | Flexible liquid metal/seaweed composite fiber and preparation method thereof |
| CN115537967A (en) * | 2022-11-09 | 2022-12-30 | 东华大学 | Magnetic adjustable polymer/ferrite hybrid fiber and preparation method thereof |
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