CN110042494B - Functional fiber compounding process - Google Patents
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- CN110042494B CN110042494B CN201910352486.8A CN201910352486A CN110042494B CN 110042494 B CN110042494 B CN 110042494B CN 201910352486 A CN201910352486 A CN 201910352486A CN 110042494 B CN110042494 B CN 110042494B
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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
- 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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- 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
- D01F1/103—Agents inhibiting growth of microorganisms
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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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/52—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated carboxylic acids or unsaturated esters
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a functional fiber composite process, which comprises the steps of adding acrylic acid into distilled water, and ultrasonically dispersing until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution; adding isopropanol into an acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 20-30min, performing constant-temperature polymerization reaction for 2-4h, and cooling to obtain a polyacrylic acid aqueous solution; adding zinc acetate and highly-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 2-5h to obtain a uniformly dispersed mixed solution, performing reduced pressure distillation reaction for 2-5h, and cooling to obtain a viscous glue solution; putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers; and (3) putting the nano-fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 2-5h, and filtering and drying to obtain the composite fibers. The invention solves the problem of single function of the existing fiber, and the functional fiber with both antibacterial and water absorption is formed by combining zinc acetate and polyacrylic acid polymer.
Description
Technical Field
The invention belongs to the field of composite materials, and particularly relates to a functional fiber composite process.
Background
In the selection of fabrics of the sanitary products on the market, such as sanitary towels, panty liners, baby diapers and the like, chemical fiber fabrics are mainly used, and some products are pure cotton fabrics, fabrics containing bamboo fibers and fabrics containing silk. The functions of the traditional Chinese medicine preparation are mainly improved from the aspects of soft hand feeling, skin friendliness, moistening, moisture absorption, ventilation, dehumidification, heat dissipation, microcirculation promotion and the like, and the traditional Chinese medicine or antibacterial components (such as chlorhexidine products) are added to the traditional Chinese medicine preparation to achieve the functions of skin mucosa disinfection, antibiosis and the like.
In order to solve the problems, the Chinese patent with the publication number of CN102631698A discloses a super-absorbent antibacterial non-woven fabric which is composed of super-absorbent fibers, quick-absorbent fibers, strength-increasing fibers and antibacterial fibers. The fabric can also comprise low-melting-point fibers, the quick water absorption fibers are cotton fibers, the strength increasing fibers are polyester fibers, the antibacterial fibers are bamboo fibers or silver-plated fibers, and the low-melting-point fibers are polypropylene fibers or other special low-melting-point fibers. Although the scheme adopts a special formula and a preparation mode of the non-woven fabric absorption layer, the defects of low liquid absorption speed and poor strength are overcome, and antibacterial fibers such as bamboo fibers and the like are introduced, so that the absorption layer has an antibacterial effect, multiple fibers are needed, the manufacturing process is complex, and the function distribution of the non-woven fabric material is uneven due to single function of the single fiber.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a functional fiber composite process, which solves the problem of single function of the existing fiber, and forms functional fiber with antibacterial and water-absorbing functions in a mode of combining zinc acetate and polyacrylic acid polymer.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a functional fiber composite process comprises the following steps:
step 1, adding acrylic acid into distilled water, and performing ultrasonic dispersion until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution;
step 2, adding isopropanol into the acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 20-30min, performing constant-temperature polymerization reaction for 2-4h, and cooling to obtain a polyacrylic acid aqueous solution;
step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 2-5h to obtain a uniformly dispersed mixed solution, performing reduced pressure distillation reaction for 2-5h, and cooling to obtain a viscous glue solution;
step 4, putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers;
and 5, putting the nano fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 2-5h, and filtering and drying to obtain the composite fibers.
The concentration of the acrylic acid in the step 1 in the distilled water is 300-1500g/L, the ultrasonic frequency of the ultrasonic dispersion is 40-80kHz, and the temperature is 10-20 ℃.
The adding amount of the isopropanol in the step 2 is 10-20% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 50-90kHz, the temperature is 0-10 ℃, and the temperature of the constant-temperature polymerization reaction is 85-95 ℃.
The adding amount of the zinc acetate in the step 3 is 30-60% of the mass of the acrylic acid, the adding amount of the high-substituted hydroxypropyl cellulose is 10-15% of the mass of the acrylic acid, and the ultrasonic frequency of the low-temperature ultrasonic is
80-100kHz and 0-5 ℃.
The pressure of the reduced pressure distillation reaction in the step 3 is 60-80% of the atmospheric pressure, and the temperature is 120-150 ℃.
The electrostatic spinning parameters in the step 4 are as follows: spinning voltage is 10-30kV, advancing speed is 50-100 muL/min, receiving distance is 10-15cm, roller rotating speed is 200-500r/min, and temperature is 90-100 ℃.
The volume ratio of the methanol-ethanol mixed solution in the step 5 is 3:1-2, the concentration of the nano-fiber in the methanol-ethanol mixed solution is 500-800g/L, the ultrasonic cleaning temperature is 20-30 ℃, and the ultrasonic frequency is 30-60 kHz.
The temperature of the micro-current reaction in the step 5 is 30-40 ℃, the voltage is 5-10V, the current is 10-40mA, and the drying temperature is 150-180 ℃.
Step 1, adding acrylic acid into distilled water, forming rapid dissolution by utilizing the water solubility of the polypropionic acid, and forming a rapid dispersion system by the high-frequency action of ultrasound to obtain a polypropylene aqueous solution; the ultrasonic temperature is controlled in the ultrasonic process to prevent the self-polymerization reaction of the polypropylene.
Adding isopropanol into an acrylic acid aqueous solution, and quickly dispersing the isopropanol to the periphery of the acrylic acid aqueous solution through low-temperature ultrasonic reaction to obtain a stable and uniform mutual-soluble system, wherein the low-temperature ultrasonic reaction system can control the synthesis of acrylic acid under a low-temperature condition to prevent the formation of polyacrylic acid; the constant temperature polymerization reaction utilizes the temperature to improve the activity of the acrylic acid, so as to achieve the self-polymerization reaction, obtain the polyacrylic acid aqueous solution, and simultaneously, the polyacrylic acid in the polyacrylic acid aqueous solution absorbs a large amount of water to form an expanded sticky state.
The isopropanol is used as a molecular weight regulator in the system, not only can narrow the molecular weight distribution, but also has the effects of reducing viscosity and removing reaction heat.
Step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, wherein pores of a porous network structure of polyacrylic acid are continuously enlarged due to the fact that the polyacrylic acid expands when meeting water, the zinc acetate and the high-substituted hydroxypropyl cellulose are dispersed into the porous network structure of the polyacrylic acid in the low-temperature ultrasonic process, and the polyacrylic acid aqueous solution is in a glue solution state, so that a uniformly dispersed mixed solution can be formed; in the reduced pressure distillation reaction process, acetic acid generated by zinc acetate hydrolysis is continuously volatilized under the influence of temperature to form gas, so that the zinc acetate in the solution is continuously hydrolyzed to form the acetic acid, the generated zinc hydroxide forms a good dispersion and solidification system under the action of the high-substituted hydroxypropyl cellulose, the agglomeration problem of the zinc hydroxide is solved, the high-substituted hydroxypropyl cellulose forms a colloid solidification state along with the rise of the temperature, and a semi-solid viscous glue solution is formed along with the continuous loss of moisture.
And 4, performing electrostatic spinning on the viscous glue solution to form nano fibers, wherein the nano fibers take polyacrylic acid as a framework and a curing agent, zinc oxide as a doping agent and an antibacterial agent, and highly-substituted strongly-propyl cellulose as an adhesion curing agent, a dispersing agent and a second framework agent, and are converted into steam in the electrostatic spinning process of distilled water, and meanwhile, zinc hydroxide is converted into zinc oxide by heating and water loss.
Step 5, placing the nano-fibers into a methanol-ethanol mixed solution, rapidly dissolving and removing the highly substituted cellulose by utilizing the solubility of the highly substituted hydroxypropyl cellulose in ethanol and the adsorbability of polyacrylic acid to ethanol, meanwhile, in the micro-current reaction process, using methanol as a weak electrolyte to form an electrolytic system, continuously stimulating zinc oxide by utilizing the current flow of the electrolytic system to ensure that the zinc oxide is in an excited state, and playing a good antibacterial effect, and simultaneously, the current voltage of the micro-electrolytic reaction is small, and the polyacrylic acid cannot form a degradation reaction; in the drying process, ethanol and methanol in the polyacrylic acid are quickly removed, the polyacrylic acid is ensured to shrink again, the pores of the porous network structure are reduced, and meanwhile, the zinc oxide is fixed on the inner layer of the polyacrylic acid fiber.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention solves the problem of single function of the existing fiber, and the functional fiber with both antibacterial and water absorption is formed by combining zinc acetate and polyacrylic acid polymer.
2. The dispersion characteristic of the high-substituted hydroxypropyl cellulose enables zinc acetate to be uniformly dispersed into a polyacrylic acid aqueous solution, and the zinc acetate is solidified in a three-dimensional porous structure of polyacrylic acid by the aid of the characteristic that polyacrylic acid expands when meeting water.
3. The invention adopts methanol-ethanol mixed solution as a dissolving agent, not only can be used as a swelling agent of polyacrylic acid and a dissolving agent of high-substituted hydroxypropyl cellulose, but also can be used as a weak electrolyte of micro-current reaction to promote the stabilization of nano zinc oxide crystals.
Detailed Description
The present invention is described in detail with reference to examples, but the present invention is not limited to the claims.
Example 1
A functional fiber composite process comprises the following steps:
step 1, adding acrylic acid into distilled water, and performing ultrasonic dispersion until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution;
step 2, adding isopropanol into the acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 20min, performing constant-temperature polymerization reaction for 2h, and cooling to obtain a polyacrylic acid aqueous solution;
step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, carrying out low-temperature ultrasonic treatment for 2 hours to obtain a uniformly dispersed mixed solution, then carrying out reduced pressure distillation reaction for 2 hours, and cooling to obtain a viscous glue solution;
step 4, putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers;
and 5, putting the nano-fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 2 hours, and filtering and drying to obtain the composite fibers.
The concentration of the acrylic acid in the step 1 in the distilled water is 300g/L, the ultrasonic frequency of the ultrasonic dispersion is 40kHz, and the temperature is 10 ℃.
The adding amount of the isopropanol in the step 2 is 10% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 50kHz, the temperature is 0 ℃, and the temperature of the constant-temperature polymerization reaction is 85 ℃.
The adding amount of the zinc acetate in the step 3 is 30% of the mass of the acrylic acid, the adding amount of the high-substituted hydroxypropyl cellulose is 10% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 80kHz, and the temperature is 0 ℃.
The pressure of the reduced pressure distillation reaction in the step 3 is 60% of the atmospheric pressure, and the temperature is 120 ℃.
The electrostatic spinning parameters in the step 4 are as follows: spinning voltage is 10kV, advancing speed is 50 mu L/min, receiving distance is 10cm, roller rotating speed is 200r/min, and temperature is 90 ℃.
The volume ratio of the methanol-ethanol mixed solution in the step 5 is 3:1, the concentration of the nano-fibers in the methanol-ethanol mixed solution is 500g/L, the ultrasonic cleaning temperature is 20 ℃, and the ultrasonic frequency is 30 kHz.
The temperature of the micro-current reaction in the step 5 is 30 ℃, the voltage is 5V, the current is 10mA, and the drying temperature is 150 ℃.
Example 2
A functional fiber composite process comprises the following steps:
step 1, adding acrylic acid into distilled water, and performing ultrasonic dispersion until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution;
step 2, adding isopropanol into the acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 30min, performing constant-temperature polymerization reaction for 4h, and cooling to obtain a polyacrylic acid aqueous solution;
step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, carrying out low-temperature ultrasonic treatment for 5 hours to obtain a uniformly dispersed mixed solution, then carrying out reduced pressure distillation reaction for 5 hours, and cooling to obtain a viscous glue solution;
step 4, putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers;
and 5, putting the nano-fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 5 hours, and filtering and drying to obtain the composite fibers.
The concentration of the acrylic acid in the step 1 in the distilled water is 1500g/L, the ultrasonic frequency of the ultrasonic dispersion is 80kHz, and the temperature is 20 ℃.
The adding amount of the isopropanol in the step 2 is 20% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 90kHz, the temperature is 10 ℃, and the temperature of the constant-temperature polymerization reaction is 95 ℃.
The adding amount of the zinc acetate in the step 3 is 60% of the mass of the acrylic acid, the adding amount of the high-substituted hydroxypropyl cellulose is 15% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 100kHz, and the temperature is 5 ℃.
The pressure of the reduced pressure distillation reaction in the step 3 was 80% of the atmospheric pressure, and the temperature was 150 ℃.
The electrostatic spinning parameters in the step 4 are as follows: spinning voltage is 30kV, advancing speed is 100 mu L/min, receiving distance is 15cm, roller rotating speed is 500r/min, and temperature is 100 ℃.
The volume ratio of the methanol-ethanol mixed solution in the step 5 is 3:2, the concentration of the nano-fibers in the methanol-ethanol mixed solution is 800g/L, the ultrasonic cleaning temperature is 30 ℃, and the ultrasonic frequency is 60 kHz.
The temperature of the micro-current reaction in the step 5 is 40 ℃, the voltage is 10V, the current is 10-40mA, and the drying temperature is 180 ℃.
Example 3
A functional fiber composite process comprises the following steps:
step 1, adding acrylic acid into distilled water, and performing ultrasonic dispersion until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution;
step 2, adding isopropanol into the acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 25min, performing constant-temperature polymerization reaction for 3h, and cooling to obtain a polyacrylic acid aqueous solution;
step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 4 hours to obtain a uniformly dispersed mixed solution, performing reduced pressure distillation reaction for 3 hours, and cooling to obtain a viscous glue solution;
step 4, putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers;
and 5, putting the nano-fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 4 hours, and filtering and drying to obtain the composite fibers.
The concentration of the acrylic acid in the step 1 in the distilled water is 1000g/L, the ultrasonic frequency of the ultrasonic dispersion is 60kHz, and the temperature is 15 ℃.
The adding amount of the isopropanol in the step 2 is 15% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 70kHz, the temperature is 5 ℃, and the temperature of the constant-temperature polymerization reaction is 90 ℃.
The adding amount of the zinc acetate in the step 3 is 50% of the mass of the acrylic acid, the adding amount of the high-substituted hydroxypropyl cellulose is 12% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 90kHz, and the temperature is 2 ℃.
The reduced pressure distillation reaction in the step 3 was carried out at a pressure of 70% of atmospheric pressure and a temperature of 140 ℃.
The electrostatic spinning parameters in the step 4 are as follows: the spinning voltage is 20kV, the advancing speed is 80 mu L/min, the receiving distance is 13cm, the rotating speed of the roller is 400r/min, and the temperature is 95 ℃.
The volume ratio of the methanol-ethanol mixed solution in the step 5 is 3:2, the concentration of the nano-fibers in the methanol-ethanol mixed solution is 700g/L, the ultrasonic cleaning temperature is 25 ℃, and the ultrasonic frequency is 50 kHz.
The temperature of the micro-current reaction in the step 5 is 35 ℃, the voltage is 8V, the current is 30mA, and the drying temperature is 170 ℃.
Performance detection
Comparative example a water absorbent material for sanitary napkin prepared by the conventional technique was used.
0.9 wt% physiological saline absorption Capacity test
Weighing about 0.2g of a sample to be detected, recording the mass as m, filling the sample into a tea bag, sealing, putting into a beaker filled with enough 0.9 wt% of normal saline, and soaking for 30 min. Taking out the tea bag after 30min, naturally hanging and draining for 10min until no water drops drop on the surface of the tea bag, weighing the tea bag to be m2, carrying out a blank experiment by using an empty tea bag, and weighing the tea bag to be m 1. And calculating the water absorption multiplying power.
Test of antibacterial Property
Weighing about 0.2g of a sterilized sample to be detected, placing the sample in a 250mL sterilized conical flask, adding 60mL of sterilized normal saline, and oscillating to fully swell the gel;
respectively inoculating staphylococcus aureus, escherichia coli and candida albicans into a liquid culture medium, and culturing for 24 hours in a shaking table with the concentration of 100ppm at the temperature of 37 ℃ to form bacterial liquid;
adding 1mL of cultured bacterial liquid into a conical flask, culturing for 8h in a shaking table with the concentration of 100ppm at 37 ℃, sucking a certain amount of bacterial liquid from the conical flask for dilution, observing the growth condition of bacteria by a flat plate observation method, and respectively calculating the antibacterial rates of staphylococcus aureus, escherichia coli and candida albicans.
In summary, the invention has the following advantages:
1. the invention solves the problem of single function of the existing fiber, and the functional fiber with both antibacterial and water absorption is formed by combining zinc acetate and polyacrylic acid polymer.
2. The dispersion characteristic of the high-substituted hydroxypropyl cellulose enables zinc acetate to be uniformly dispersed into a polyacrylic acid aqueous solution, and the zinc acetate is solidified in a three-dimensional porous structure of polyacrylic acid by the aid of the characteristic that polyacrylic acid expands when meeting water.
3. The invention adopts methanol-ethanol mixed solution as a dissolving agent, not only can be used as a swelling agent of polyacrylic acid and a dissolving agent of high-substituted hydroxypropyl cellulose, but also can be used as a weak electrolyte of micro-current reaction to promote the stabilization of nano zinc oxide crystals.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (7)
1. A functional fiber composite process is characterized in that: the method comprises the following steps:
step 1, adding acrylic acid into distilled water, and performing ultrasonic dispersion until the acrylic acid is completely dissolved to form an acrylic acid aqueous solution;
step 2, adding isopropanol into the acrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 20-30min, performing constant-temperature polymerization reaction for 2-4h, and cooling to obtain a polyacrylic acid aqueous solution;
step 3, adding zinc acetate and high-substituted hydroxypropyl cellulose into a polyacrylic acid aqueous solution, performing low-temperature ultrasonic treatment for 2-5h to obtain a uniformly dispersed mixed solution, performing reduced pressure distillation reaction for 2-5h, and cooling to obtain a viscous glue solution;
step 4, putting the viscous glue solution into a high-voltage electrostatic spinning device for electrostatic spinning to obtain nano fibers; the electrostatic spinning parameters are as follows: spinning voltage is 10-30kV, advancing speed is 50-100 mu L/min, receiving distance is 10-15cm, drum rotating speed is 200-500r/min, and temperature is 90-100 ℃;
and 5, putting the nano fibers into a methanol-ethanol mixed solution for ultrasonic cleaning, then carrying out micro-current reaction for 2-5h, and filtering and drying to obtain the composite fibers.
2. The functional fiber composite process according to claim 1, characterized in that: the concentration of the acrylic acid in the step 1 in the distilled water is 300-1500g/L, the ultrasonic frequency of the ultrasonic dispersion is 40-80kHz, and the temperature is 10-20 ℃.
3. The functional fiber composite process according to claim 1, characterized in that: the adding amount of the isopropanol in the step 2 is 10-20% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 50-90kHz, the temperature is 0-10 ℃, and the temperature of the constant-temperature polymerization reaction is 85-95 ℃.
4. The functional fiber composite process according to claim 1, characterized in that: the adding amount of the zinc acetate in the step 3 is 30-60% of the mass of the acrylic acid, the adding amount of the high-substituted hydroxypropyl cellulose is 10-15% of the mass of the acrylic acid, the ultrasonic frequency of the low-temperature ultrasonic is 80-100kHz, and the temperature is 0-5 ℃.
5. The functional fiber composite process according to claim 1, characterized in that: the pressure of the reduced pressure distillation reaction in the step 3 is 60-80% of the atmospheric pressure, and the temperature is 120-150 ℃.
6. The functional fiber composite process according to claim 1, characterized in that: the volume ratio of the methanol-ethanol mixed solution in the step 5 is 3:1-2, the concentration of the nano-fiber in the methanol-ethanol mixed solution is 500-800g/L, the ultrasonic cleaning temperature is 20-30 ℃, and the ultrasonic frequency is 30-60 kHz.
7. The functional fiber composite process according to claim 1, characterized in that: the temperature of the micro-current reaction in the step 5 is 30-40 ℃, the voltage is 5-10V, the current is 10-40mA, and the drying temperature is 150-180 ℃.
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| CN107237043A (en) * | 2017-06-23 | 2017-10-10 | 苏州大学 | Load the preparation method of the tunica fibrosa of oriented zinc oxide nanometer rods |
| CN109371503A (en) * | 2018-10-15 | 2019-02-22 | 哈尔滨工业大学 | A method of zinc oxide nanowire low temperature preparation is carried out based on electrostatic spinning |
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| CN101161705A (en) * | 2006-10-13 | 2008-04-16 | 中国科学院化学研究所 | Functional polymer nano composite material and preparation method and uses thereof |
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| KR20130070333A (en) * | 2011-12-19 | 2013-06-27 | 서울대학교산학협력단 | Fabrication of zno nanoparticles embedded tio2 nanofibers by electrospinning and antibactericidal application under uv, visible light and without light irradiation |
| CN106976907A (en) * | 2017-04-27 | 2017-07-25 | 吴亚良 | A kind of nano titanium oxide preparation method of size tunable |
| CN107237043A (en) * | 2017-06-23 | 2017-10-10 | 苏州大学 | Load the preparation method of the tunica fibrosa of oriented zinc oxide nanometer rods |
| CN109371503A (en) * | 2018-10-15 | 2019-02-22 | 哈尔滨工业大学 | A method of zinc oxide nanowire low temperature preparation is carried out based on electrostatic spinning |
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