CN111286806B - Anion health-care functional fiber and preparation method thereof - Google Patents
Anion health-care functional fiber and preparation method thereof Download PDFInfo
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- CN111286806B CN111286806B CN202010246363.9A CN202010246363A CN111286806B CN 111286806 B CN111286806 B CN 111286806B CN 202010246363 A CN202010246363 A CN 202010246363A CN 111286806 B CN111286806 B CN 111286806B
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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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
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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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Abstract
The invention discloses an anion health care functional fiber and a preparation method thereof, wherein the anion health care functional fiber comprises the following components in parts by weight: the anion health-care functional fiber is obtained by blending and spinning polylactic acid spinning solution, anion health-care microcapsules, natural mineral powder and a dispersing agent, wherein the mass ratio of the components is 150: 7-18: 1-2.5: 0.5-1.5; a preparation method of anion health-care functional fiber comprises the following steps: mixing 150 parts of polylactic acid spinning solution, 7-18 parts of anion health-care microcapsules, 1-2.5 parts of natural mineral powder and 0.5-1.5 parts of dispersing agent at 185-190 ℃ by mass fraction, and stirring at 550-650 rpm to obtain anion health-care functional fiber spinning solution; preparing the anion health care functional fiber spinning solution into nascent fiber, winding, and stretching and heat setting the nascent fiber at the temperature of 160 ℃ to obtain the anion health care functional fiber. The anion release function of the anion health care functional fiber is very long-acting, and the anion health care functional fiber has excellent water washing resistance.
Description
Technical Field
The invention belongs to the technical field of functional fibers, and particularly relates to an anion health-care functional fiber and a preparation method thereof.
Background
With the continuous development of modern industry, positive ions generated by various mechanical and electronic devices, industrial discharged particulate dust, industrial pollutants and the like cause the air quality to be worse and worse, the balance of the positive ions and the negative ions in the air is destroyed, and the number of the negative ions in the air is reduced. In addition, in the air-conditioned room, negative ions in the air almost completely disappear after passing through a series of air-conditioning purification treatments and a long ventilating duct, and people can feel chest distress, dizziness, weakness, and decline of working efficiency and health condition after staying in the air-conditioned room for a long time, which is called as "air-conditioning syndrome". The anion has the effects of calming, easing pain, relieving cough, relieving itching, promoting urination, increasing appetite and reducing blood pressure on human bodies, so that products with the anion health-care function start to emerge in large numbers.
The processing method of the textile with the negative ion function comprises two methods: one is to adopt fiber with negative ion releasing function to produce textile, the other is to fix the treating liquid containing inorganic particles on the surface of the textile by post-finishing, namely padding, drying and other methods.
The polylactic acid fiber has wide source and relatively low cost, and is a synthetic fiber with raw materials which can be planted and are easy to plant, and wastes can be naturally degraded in nature. The microcapsule is used as a controllable release structure, and can ensure the long-acting performance of the effective components. Therefore, if polylactic acid fiber and microcapsule with anion health care function can be combined, the problems can be solved.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned technical drawbacks.
Therefore, as one aspect of the invention, the invention overcomes the defects in the prior art and provides the anion health-care functional fiber and the preparation method thereof.
In order to solve the technical problems, the invention provides the following technical scheme: an anion health care functional fiber, wherein: the anion health-care functional fiber is obtained by blending and spinning polylactic acid spinning solution, anion health-care microcapsules, natural mineral powder and a dispersing agent, and the mass ratio of the components is 150: 7-18: 1-2.5: 0.5-1.5.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the core material of the anion health-care microcapsule is prepared from any two or more than two of bamboo charcoal particles, chlorophytum comosum particles, coleus blumei particles, emerald green particles, aloe particles, agave particles, taro particles and ficus microcarpa particles, the particle size range is 15-30 mu m, and the average particle size is 20 mu m.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the preparation method of the negative ion health-care microcapsule comprises the following steps of slowly adding 2.5-6.5 parts of biomass negative ion health-care core material into 5-12 parts of molten biomass wall material at room temperature in percentage by mass, and stirring at 6400-6800 rpm for 18-22 min to obtain a microcapsule early-stage mixture; preparing 90-100 parts of organic solvent, slowly adding the obtained microcapsule early-stage mixture into the organic solvent at room temperature, adding 0.5-2 parts of alkyl glycoside, and stirring at 1600-2000 rpm for 18-22 min while adding to obtain negative ion health-care microcapsule suspension; and carrying out suction filtration on the negative ion health-care microcapsule suspension, and carrying out suction filtration through the negative ion health-care microcapsule suspension with the aperture of 5-10 mu m under the pressure of 0.015-0.035 MPa to obtain filter residues, namely 7-18 parts of the negative ion health-care microcapsule.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the biomass negative ion health-care core material is a composition of any two or more than two of bamboo charcoal particles, chlorophytum comosum particles, coleus blumei particles, emerald glory particles, aloe particles, agave particles, tarry particles and ficus microcarpa particles.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the biomass negative ion health-care core material is obtained by drying at 35 ℃ and then crushing, the particle size range is 8-18 mu m, and the average particle size is 10 mu m.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the biomass wall material is one or a composition of two or more of oxidized dextrin, maltodextrin and beta-cyclodextrin, and the melting point range of the biomass wall material is 238-265 ℃; the organic solvent is ethanol.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the polylactic acid spinning solution is molten levorotatory polylactic acid, the molecular weight range of the polylactic acid spinning solution is 35-50 ten thousand, and the melting point range is 175-180 ℃; the natural mineral powder is a composition of any two or more of tourmaline powder, obsidian powder, lanthanum oxide and neodymium oxide, and the dispersant is one or two of polyethylene glycol-400 and polypropylene glycol-2000.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the particle size range of the natural mineral powder is 5-15 mu m, and the average particle size is 8 mu m.
As a preferable scheme of the anion health-care functional fiber, the anion health-care functional fiber comprises the following components in percentage by weight: the release concentration of negative ions is 22500/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is more than 94%.
In one aspect of the present invention, the present invention overcomes the disadvantages in the prior art, and provides a method for preparing an anion health functional fiber, which comprises: mixing 150 parts of polylactic acid spinning solution, 7-18 parts of anion health-care microcapsules, 1-2.5 parts of natural mineral powder and 0.5-1.5 parts of dispersing agent at 185-190 ℃ by mass fraction, and stirring at 550-650 rpm to obtain anion health-care functional fiber spinning solution; preparing the anion health care functional fiber spinning solution into nascent fiber, winding, and stretching and heat setting the nascent fiber at the temperature of 160 ℃ to obtain the anion health care functional fiber.
The invention has the beneficial effects that:
1. the anion health-care functional fiber provided by the invention is prepared from natural environment-friendly raw materials, the raw materials are easily available and harmless to human bodies, a solvent in the preparation process can be recycled, and the used functional fiber can be biodegraded, so that the whole process of production, use and recycling is environment-friendly. In addition, the anion release function of the anion health care functional fiber is very long-acting, and the anion health care functional fiber has excellent water washing resistance, and the anion release performance after 500 times of water washing is reduced by less than 20 percent.
2. According to the negative ion health-care functional fiber, the spinning solution is coated with the biomass negative ion health-care core material through the biomass wall material to form the microcapsule, so that the effective ingredients can be slowly released, and the release time of negative ions is prolonged. On the basis, the micron-sized natural mineral powder and the liquid dispersing agent are added, so that the components are dispersed in the molten polylactic acid more uniformly and stably, the overall negative ion health-care effect is surprisingly enhanced, and the effect is kept for five years. This is probably because although the anion health-care microcapsule is embedded in the polylactic acid fiber, the anion health-care microcapsule is partially exposed outside the fiber, and the release speed is high; the natural mineral powder and the dispersing agent can fill the defects of the microcapsules exposed outside the fibers, so that the negative ion health-care microcapsules can slowly play a role, which also shows the synergistic effect among the components.
3. The anion health-care functional fiber also has a certain function of releasing far infrared surprisingly, which is possibly endowed by the composite synergistic effect of the microcapsule and the natural mineral powder, so that the added value of the anion health-care functional fiber is further improved, and the anion health-care functional fiber has a better application prospect.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Test method
Testing the health care performance of the negative ions: the anion health care functional fiber was tested using an east-invasive IMH01 air anion detector.
Testing far infrared emission performance: the anion health care functional fiber is tested by using a department BLC50 hemispherical emissivity tester.
Example 1
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution (the molecular weight of polylactic acid is 35-50 ten thousand), 12.5 parts of anion health-care microcapsule, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in percentage by mass, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the obtained functional fiber has anion release concentration of 22500/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is more than 94%; after six months (50 times of water washing in the period), the release concentration of negative ions is 21800/cm3(ii) a The release concentration of negative ions after one year (100 times of water washing in the period) is 212000/cm3(ii) a After three years (washing for 300 times in the period), the release concentration of negative ions is 20000/cm3。
Example 2
Slowly adding 4.5 parts of aloe extract (liquid, of industrial grade, Hubei Jusheng technologies Co., Ltd.) to molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin at room temperature by mass fraction, and stirring at 6600rpm for 20min using a high speed stirrer to obtain a pre-microcapsule mixture (replacing biomass negative ion health core material with aloe extract as compared with example 1);
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in parts by mass, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the anion release concentration of the obtained functional fiber is only 3500/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is 54%; after six months (50 times of water washing in the period), the release concentration of negative ions is 3300/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 3120/cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 3000/cm3。
Example 3
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.6 parts of polyethylene glycol-400 and 1.15 parts of polypropylene glycol-2000 at 185-190 ℃ by mass fraction, and stirring at 600rpm to obtain anion health-care functional fiber spinning solution (compared with example 1, natural mineral powder is not added, and the balance is added by a dispersing agent);
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the anion release concentration of the obtained functional fiber is only 8700/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is 66%; after six months (50 times of water washing in the period), the release concentration of negative ions is 8540/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 8400 per cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 8130/cm3。
Example 4
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.85 parts of tourmaline powder and 0.9 part of lanthanum oxide at 185-190 ℃ by mass fraction, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution (compared with example 1, no dispersing agent is added, and the balance is supplemented by natural mineral powder);
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the obtained functional fiber has anion release concentration of 18800/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is 72%; the release concentration of negative ions after six months (50 times of water washing in the period) is 18000/cm3(ii) a The release concentration of negative ions after one year (100 times of water washing in the period) is 17300/cm3(ii) a After three years (washing for 300 times in the period), the release concentration of negative ions is 15600/cm3。
Example 5
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution (different from example 1, the molecular weight of polylactic acid is 6-10 ten thousand), 12.5 parts of anion health-care microcapsule, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in percentage by mass, and stirring at 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the anion release concentration of the obtained functional fiber is 20500/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is more than 87%; after six months (50 times of water washing in the period), the release concentration of negative ions is 17500/cm3(ii) a The release concentration of negative ions after one year (100 times of water washing in the period) is 14400/cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 9800 negative ions/cm3The long-term effect of the anion release performance is poor, and the fiber forming strength is low. Example 6
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into 8.5 parts of molten shellac at room temperature by mass fraction, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture (compared with example 1, the wall material only uses shellac);
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in parts by mass, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the anion release concentration of the obtained functional fiber is 22000/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is more than 92%; after six months (50 times of water washing in the period), the release concentration of negative ions is 18700/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 15300/cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 10800/cm3The long-lasting property of the anion release performance is poor.
Example 7
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture (compared with example 1, the biomass negative ion health-care core material is dried at 85 ℃);
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in parts by mass, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the obtained functional fiber has anion release concentration of 16400 pieces/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is above 72%; after six months (washing 50 times in the period), the release concentration of negative ions is 15500/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 13800/cm3(ii) a The release concentration of negative ions is 11900/cm after three years (washing for 300 times in the period)3。
Example 8
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution, 12.5 parts of anion health-care microcapsules, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in percentage by mass, and stirring at 600rpm to obtain anion health-care functional fiber spinning solution (compared with example 1, the average particle size of natural mineral powder is 35 microns);
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the obtained functional fiber has anion release concentration of 21300/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is more than 90%; after six months (50 times of water washing in the period), the release concentration of negative ions is 20200/cm3(ii) a The release concentration of negative ions after one year (100 times of water washing in the period) is 18400 ions/cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 15900 ions/cm3However, the fiber-forming strength is low and unstable.
Example 9
Slowly adding 3.5 parts of coleus blumei particles and 1 part of ficus microcarpa particles into 3.5 parts of melted maltodextrin and 5 parts of beta-cyclodextrin at room temperature by mass fraction, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture (compared with the example 1, the biomass negative ion health-care core material only uses the coleus blumei particles);
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution (the molecular weight of polylactic acid is 35-50 ten thousand), 12.5 parts of anion health-care microcapsule, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ in percentage by mass, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the obtained functional fiber has anion release concentration of 14800/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is over 79 percent; after six months (50 times of water washing in the period), the release concentration of negative ions is 14000 pieces/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 12300/cm3(ii) a The release concentration of negative ions after three years (washing 300 times in the period) is 10200/cm3。
Example 10
Slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
mixing 150 parts of polylactic acid spinning solution (the molecular weight of polylactic acid is 35-50 ten thousand), 12.5 parts of anion health-care microcapsule, 1.75 parts of obsidian powder, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃ by mass fraction, and stirring at the speed of 600rpm to obtain anion health-care functional fiber spinning solution (compared with example 1, natural mineral powder only uses obsidian powder);
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
And (3) testing results: the anion release concentration of the obtained functional fiber is 19600/cm3(ii) a The far infrared (with the wavelength of 30-1000 microns) emissivity is over 88 percent; after six months (50 times of water washing in the period), the release concentration of negative ions is 18700/cm3(ii) a The release concentration of negative ions after one year (washing 100 times in the period) is 17000/cm3(ii) a The release concentration of negative ions after three years (washing for 300 times in the period) is 15100 pieces/cm3。
In conclusion, the anion health-care functional fiber provided by the invention completely adopts natural environment-friendly raw materials, the raw materials are easily available and harmless to human bodies, the solvent in the preparation process can be recycled, the functional fiber after use can also be biodegraded, and the whole process of production, use and recycling is environment-friendly. In addition, the anion release function of the anion health care functional fiber is very long-acting, and the anion health care functional fiber has excellent water washing resistance, and the anion release performance after 500 times of water washing is reduced by less than 20 percent.
According to the negative ion health-care functional fiber, the spinning solution is coated with the biomass negative ion health-care core material through the biomass wall material to form the microcapsule, so that the effective ingredients can be slowly released, and the release time of negative ions is prolonged. On the basis, the micron-sized natural mineral powder and the liquid dispersing agent are added, so that the components are dispersed in the molten polylactic acid more uniformly and stably, the overall negative ion health-care effect is surprisingly enhanced, and the effect is kept for five years. This is probably because although the anion health-care microcapsule is embedded in the polylactic acid fiber, the anion health-care microcapsule is partially exposed outside the fiber, and the release speed is high; the natural mineral powder and the dispersing agent can fill the defects of the microcapsules exposed outside the fibers, so that the negative ion health-care microcapsules can slowly play a role, which also shows the synergistic effect among the components.
The anion health-care functional fiber also has a certain function of releasing far infrared surprisingly, which is possibly endowed by the composite synergistic effect of the microcapsule and the natural mineral powder, so that the added value of the anion health-care functional fiber is further improved, and the anion health-care functional fiber has a better application prospect.
The invention discloses an anion health-care functional fiber and a preparation method thereof. The negative ion health-care functional fiber is mainly obtained by blending and spinning polylactic acid spinning solution and negative ion health-care microcapsules, most of raw materials are biological, the source is wide, the preparation process is environment-friendly and simple, and the negative ion health-care functional fiber is harmless to human bodies. Because the microcapsule is embedded in the functional fiber, the effective components are slowly released through the microcapsule, and the synergistic effect of the natural mineral powder makes the anion health care performance of the functional fiber more long-acting and outstanding. Meanwhile, the anion health care functional fiber of the invention is extremely resistant to water washing in the using process, and can maintain the anion health care performance for five years under normal conditions.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (2)
1. A method for preparing anion health-care functional fiber is characterized by comprising the following steps,
slowly adding 0.75 parts of bamboo charcoal particles, 1.25 parts of chlorophytum comosum particles, 1.5 parts of Caulerpa tenuiflora particles and 1 part of Ficus microcarpa particles into molten 3.5 parts of maltodextrin and 5 parts of beta-cyclodextrin by mass fraction at room temperature, and stirring for 20min at 6600rpm by using a high-speed stirrer to obtain a microcapsule early-stage mixture;
preparing 95 parts of ethanol, slowly adding the obtained microcapsule early-stage mixture into the ethanol at room temperature, adding 1.25 parts of alkyl glycoside, and continuously stirring for 20min at 1800rpm by using a high-speed stirrer while adding to obtain an ethanol suspension of the negative ion health-care microcapsule;
filtering the ethanol suspension of the negative ion health-care microcapsule by filter paper with the aperture of 5-10 mu m, wherein the pump pressure is 0.015-0.035 MPa, and the obtained filter residue is 12.5 parts of the negative ion health-care microcapsule;
according to mass fraction, 150 parts of polylactic acid spinning solution is added, wherein the molecular weight of the polylactic acid is 35-50 ten thousand; mixing 12.5 parts of anion health-care microcapsules, 1.25 parts of tourmaline powder, 0.5 part of lanthanum oxide, 0.6 part of polyethylene glycol-400 and 0.4 part of polypropylene glycol-2000 at 185-190 ℃, and stirring at 600rpm to obtain an anion health-care functional fiber spinning solution;
and (2) spinning and cooling the anion health-care functional fiber spinning solution by a screw extruder under the protection of nitrogen to obtain nascent fiber, winding at a certain speed, and stretching and heat-setting the nascent fiber in a bidirectional way on a hot plate at 160 ℃ to obtain the anion health-care functional fiber.
2. The anion health-care functional fiber prepared by the preparation method of the anion health-care functional fiber according to claim 1.
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