CN111636111A - Anti-fatigue maca fiber and preparation method thereof - Google Patents
Anti-fatigue maca fiber and preparation method thereof Download PDFInfo
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- CN111636111A CN111636111A CN202010537647.3A CN202010537647A CN111636111A CN 111636111 A CN111636111 A CN 111636111A CN 202010537647 A CN202010537647 A CN 202010537647A CN 111636111 A CN111636111 A CN 111636111A
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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
- D01F6/46—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 polyolefins
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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 relates to a fiber and a manufacturing method technology thereof, in particular to an anti-fatigue maca fiber and a preparation method thereof. The invention provides anti-fatigue maca fiber, wherein the content of maca in the fiber is 2-6 wt%. The fiber raw material comprises the following components in parts by weight: 2-4 parts of superfine maca fine powder master batch and 96-98 parts of homogeneous fiber-grade resin slices. The superfine maca fine powder master batch comprises the following components in percentage by weight: 10-30% of macamide and macaene; 4-15% of a coupling agent; 10-25% of a surfactant; the resin supplements the rest to 100 percent, and the granularity of the superfine maca refined powder master batch is less than 4 microns. The maca fiber prepared by the invention has the effects of resisting fatigue, enhancing energy and physical strength, regulating endocrine system, balancing hormone and the like.
Description
Technical Field
The invention relates to a fiber and a manufacturing method technology thereof, in particular to an anti-fatigue maca fiber and a preparation method thereof.
Background
Maca (spanish: Maca) is a cruciferous plant native to the andes mountain in south america, and contains macamides, macaenes, Maca polysaccharides, crude proteins, and the like. Maca enamine and maca alkene extracted from maca are special nutrient substances of maca, and the maca enamine and the maca alkene act on hypothalamus and pituitary gland to enable the hypothalamus and pituitary gland to jointly adjust functions of adrenal gland, pancreas, testis, endocrine system and the like, so that hormone balance is quickly recovered, immunity can be effectively improved, physical ability is enhanced, and human fertility is improved.
Various functional health-care foods prepared from maca extracts, namely macamide and macaene, exist in the market at present, the health-care foods achieve the effects of the macamide and the macaene through internal regulation, and need to be taken for a long time, but excessive internal heat can be caused by long-term taking, and internal heat symptoms can be aggravated by eating the products for people who are suffering from internal heat; there is also the side effect of increasing the burden on the heart, i.e. by other mechanisms that affect the body by long-term internal administration.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-fatigue maca fiber and a preparation method thereof. Solves the problem that other mechanisms of the body are influenced by long-term oral maca health care products in the prior art. The two effective components of macamide and macaene permeate into the body from the outside of the body, and the health care effects of resisting fatigue, enhancing energy and physical strength, regulating endocrine system, balancing hormone and the like can be achieved for people. The manufacturing method of the maca fiber is simple in process, does not need special equipment, and can increase the strength of the fiber.
According to the first aspect of the invention, the anti-fatigue maca fiber is provided, and the content of maca in the fiber is 2-6 wt%.
As a preferable technical scheme, the raw materials of the maca fiber comprise, by weight: 2-4 parts of superfine maca fine powder master batch and 96-98 parts of homogeneous fiber-grade resin slices.
As a preferred technical scheme, the superfine maca refined powder master batch comprises the following components in percentage by weight: 10-30% of macamide and macaene; 4-15% of a coupling agent; 10-25% of a surfactant; the resin supplements the rest to 100 percent, and the granularity of the superfine maca refined powder master batch is less than 4 microns.
As a preferred technical scheme, the coupling agent is selected from one of silane coupling agent, titanate coupling agent, aluminate coupling agent and aluminum-titanium composite coupling agent; the surfactant is one or two selected from PE high polymer wax, PP molecular wax, paraffin, zinc stearate and calcium stearate; the resin is one of polyacrylonitrile, modified polyacrylonitrile, polyamide, modified polyamide and PP resin.
As a preferable technical scheme, the coupling agent is selected from silane coupling agents, and the silane coupling agents are selected from one of N-beta- (aminoethyl) -gamma-aminopropyl trimethoxy silane, N-beta- (aminoethyl) -3-aminopropyl methyl dimethoxy silane, gamma-glycidoxy propyl trimethoxy silane, gamma-aminopropyl triethoxy silane, gamma-methacryloxy trimethoxy silane and vinyl tri (beta-methoxy ethoxy silane).
The second aspect of the invention provides a preparation method of the maca fiber, which comprises the steps of drying superfine maca fine powder master batches, adding the superfine maca fine powder master batches into homogeneous fiber-grade resin slices, spinning, and carrying out post-treatment processing to obtain the maca fiber.
As a preferred technical scheme, the preparation of the superfine maca refined powder master batch is carried out according to the following process:
(1) extracting macamides and macaenes: weighing maca powder in a conical flask, adding distilled water and diethyl ether into the conical flask, sealing the conical flask by using a bottle plug, placing the conical flask in a constant-temperature ultrasonic cleaning instrument for ultrasonic treatment for a period of time, standing for layering, placing an upper diethyl ether layer and residues obtained by filtering in a centrifugal tube, placing the centrifugal tube in a high-speed centrifuge for centrifugation for a period of time, pouring supernate obtained by centrifugation into a glass container, rotationally evaporating diethyl ether on a rotary evaporator, dissolving substances obtained by evaporation into methanol, adding sodium hydroxide into the solution after the substances are fully dissolved, heating in a water bath for a period of time, adding carbonic acid for neutralization, and evaporating the solution to dryness to obtain maca amide and maca alkene;
(2) preparing superfine maca fine powder master batch: drying the extracted macamides and macaenes, adding a coupling agent, a surfactant and resin into the materials, then forming solid particles through a granulation process, adding the obtained solid particles into an ultrafine grinder to carry out ultrafine grinding for 3-5 times, and preparing ultrafine maca fine powder master batches with the granularity smaller than 4 microns.
As a preferable technical scheme, in the step (2), the macamide and the macaene obtained by extraction are dried in a vacuum drying oven at the temperature of 70-80 ℃ for 3-5 hours until the water content is less than 0.04%, a coupling agent, a surfactant and resin are added into the materials, solid particles are formed by a granulation process at the temperature of 140-160 ℃, and the obtained solid particles are added into an ultrafine pulverizer to be subjected to ultrafine grinding for 3-5 times to prepare ultrafine maca fine powder master batches with the granularity less than 4 microns.
As a preferred technical scheme, when the resin is polyacrylonitrile or modified polyacrylonitrile, the granulation process is wet granulation; when the resin is polyamide, modified polyamide or PP resin, the granulation process is double-screw blending, melting, extruding and granulating.
As a preferred technical scheme, when the resin is polyacrylonitrile or modified polyacrylonitrile, the spinning means is wet spinning; when the resin is polyamide, modified polyamide or PP resin, the spinning means adopts melt extrusion spinning.
Has the advantages that:
1. the sources of the caffeine amide and the macaene are pure plants;
2. preparing superfine maca fine powder master batches by using pure plant maca extracts, namely macamide and macaene, and adding the fine powder master batches into homogeneous fiber-grade resin slices to prepare anti-fatigue maca fibers; when people wear the clothes made of the maca fiber fabric and the surface of the human body is in direct contact with the surface of the human body, the two effective components can permeate into the human body to play medical care roles of resisting fatigue, enhancing energy and physical strength, regulating endocrine systems, balancing hormones and the like;
3. the surfactant and the coupling agent are added in the prepared superfine maca fine powder master batch, and the surfactant and the coupling agent are selected to be beneficial to uniform compatibility and dispersion of macamide and macaene in resin, so that the effects of the macamide and the macaene can be fully exerted;
4. the superfine maca fine powder master batch is added into the homogeneous fiber-grade resin slice, so that the prepared fiber has the function of fatigue resistance, and the strength of the fiber can be increased, but if the superfine maca fine powder master batch is more than 4 parts, the spinning performance is reduced, if the content of the superfine maca fine powder master batch in the functional fiber is less than 2 parts, the spinnability is good, but the function is poor, so that the superfine maca fine powder master batch is preferably controlled to be 2-4 parts, and the functional fiber with excellent performance can be prepared;
5. the superfine maca fine powder master batch can be added into different homogeneous fiber-grade resin slices, and the invention has different processes aiming at the resin and different homogeneous fiber-grade resin slices.
Detailed Description
According to the first aspect of the invention, the anti-fatigue maca fiber is provided, and the content of maca in the fiber is 2-6 wt%.
The maca fiber raw materials comprise, by weight: 2-4 parts of superfine maca fine powder master batch and 96-98 parts of homogeneous fiber-grade resin slices.
The superfine maca fine powder master batch is prepared from the following raw materials in percentage by weight: 10-30% of macamide and macaene; 4-15% of a coupling agent; 10-25% of a surfactant; the resin makes up the balance to 100%.
Preferably, the granularity of the superfine maca fine powder master batch is less than 4 microns.
The granularity refers to the average grain diameter of the superfine maca fine powder master batches.
The homogeneous fiber-grade resin slice is made of resin which is the same as the superfine maca fine powder master batch.
The homogeneous fiber-grade resin slice raw material is obtained in a market.
The coupling agent is selected from one of silane coupling agent, titanate coupling agent, aluminate coupling agent and aluminum-titanium composite coupling agent; the surfactant is one or two selected from PE high polymer wax, PP molecular wax, paraffin, zinc stearate and calcium stearate; the resin is one of polyacrylonitrile, modified polyacrylonitrile, polyamide, modified polyamide and PP resin.
Preferably, the coupling agent is selected from silane coupling agents selected from one of N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane, N-beta- (aminoethyl) -3-aminopropylmethyldimethoxysilane, gamma-glycidoxypropyltrimethoxysilane, gamma-aminopropyltriethoxysilane, gamma-methacryloyloxytrimethoxysilane and vinyltris (beta-methoxyethoxysilane).
More preferably, the silane coupling agent is selected from one of N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane and N-beta- (aminoethyl) -3-aminopropylmethyldimethoxysilane.
Preferably, the surfactant is selected from one of PE polymer wax and PP polymer wax.
More preferably, the surfactant is selected from PE polymeric waxes when the resin is polyacrylonitrile or modacrylic; when the resin is polyamide, modified polyamide or PP resin, the surfactant is PP molecular wax.
The second aspect of the invention provides a preparation method of the maca fiber, which comprises the steps of drying superfine maca fine powder master batches, adding the superfine maca fine powder master batches into homogeneous fiber-grade resin slices, spinning, and carrying out post-treatment processing to obtain the maca fiber.
Preferably, the preparation of the superfine maca fine powder master batch is carried out according to the following process:
(1) extracting macamides and macaenes: weighing maca powder in a conical flask, adding distilled water and diethyl ether into the conical flask, sealing the conical flask by using a bottle plug, placing the conical flask in a constant-temperature ultrasonic cleaning instrument for ultrasonic treatment for a period of time, standing for layering, placing an upper diethyl ether layer and residues obtained by filtering in a centrifugal tube, placing the centrifugal tube in a high-speed centrifuge for centrifugation for a period of time, pouring supernate obtained by centrifugation into a glass container, rotationally evaporating diethyl ether on a rotary evaporator, dissolving substances obtained by evaporation into methanol, adding sodium hydroxide into the solution after the substances are fully dissolved, heating in a water bath for a period of time, adding carbonic acid for neutralization, and evaporating the solution to dryness to obtain maca amide and maca alkene;
(2) preparing superfine maca fine powder master batch: drying the extracted macamides and macaenes, adding a coupling agent, a surfactant and resin into the materials, then forming solid particles through a granulation process, adding the obtained solid particles into an ultrafine grinder to carry out ultrafine grinding for 3-5 times, and preparing ultrafine maca fine powder master batches with the granularity smaller than 4 microns.
Preferably, the preparation method of the step (1) comprises the following steps: accurately weighing 40g of maca powder in a 2L conical flask, adding 0.8L of distilled water and 1L of diethyl ether into the conical flask, sealing the conical flask by using a bottle stopper, placing the conical flask in a constant-temperature ultrasonic cleaner for 30min at 50 ℃, then standing for layering, taking an upper diethyl ether layer and filtering obtained residues, placing the upper diethyl ether layer and the filtering obtained residues in a 1.5L centrifugal tube, placing the centrifugal tube in a high-speed centrifuge for 20min at 40 ℃ at 4000r/min, pouring the centrifuged supernatant into a 4L glass container, rotationally evaporating diethyl ether on a rotary evaporator, dissolving the evaporated substances in 200mL of methanol, adding 20mL of sodium hydroxide (1mol/L) into the solution after the substances are fully dissolved, heating the solution in a 50 ℃ water bath for 50min, adding 80mL of carbonic acid (1mol/L) for neutralization, and evaporating the solution to dryness to obtain maca amide and maca alkene extract.
The maca powder is not particularly limited, and can be purchased from websites such as Taobao and Jingdong.
Preferably, in the step (2), the macamide and the macaene obtained by extraction are dried in a vacuum drying oven at the temperature of 70-80 ℃ for 3-5 hours until the water content is less than 0.04%, a coupling agent, a surfactant and resin are added into the materials, solid particles are formed through a granulation process at the temperature of 140-160 ℃, the obtained solid particles are added into an ultrafine pulverizer to be subjected to ultrafine grinding for 3-5 times, and the ultrafine maca fine powder master batch with the granularity less than 4 microns is prepared.
Preferably, when the resin is polyacrylonitrile or modified polyacrylonitrile, the granulation process is wet granulation; when the resin is polyamide, modified polyamide or PP resin, the granulation process is double-screw blending, melting, extruding and granulating.
And granulating by using the wet granulation and the twin-screw blending, melting, extruding and granulating under the conventional granulation equipment and process to obtain the solid particles.
Preferably, when the resin is polyacrylonitrile or modified polyacrylonitrile, the spinning means is wet spinning; when the resin is polyamide, modified polyamide or PP resin, the spinning means adopts melt extrusion spinning.
The wet spinning and the melt extrusion spinning are spinning under the conventional granulation equipment and process.
Preferably, the melt extrusion spinning temperature is 170-.
The post-treatment processing is a conventional spinning treatment process.
The selection of the coupling agent and the surfactant in the invention is as follows:
the main components of macamides and macaenes are n-benzylhexadecaneamide, -benzyl- (92) octadecenamide, n-benzyl- (92, 122) -dienoctadecanamide, -benzyl- (92, 122, 152) -trienyloctadecanamide, n-benzyloctadecanamide, and 17 homologs, such as n-benzyl-16-hydroxy-9-oxo-10E 12E 14E-octanediamide, n-benzyl-16-hydroxy-9, 16-dioxo-10E 12E 14E-octanediamide, etc., so as to be capable of dissolving with resin, a class of coupling agents with organic functional groups is selected, the silane coupling agents are substantially a class of silanes with organic functional groups, having the general formula RnSiX4-nThe applicant finds that one of N- β - (aminoethyl) -gamma-aminopropyltrimethoxysilane and N- β - (aminoethyl) -3-aminopropylmethyldimethoxysilane can be used as diamine amino, after the amino functional group of the coupling agent is bonded to a silicone oil skeleton, the orientation degree of organic silicon (molecules) on the fibers is greatly improved, the affinity to the fibers is increased, various fibers are endowed with super-soft, smooth, draping, antistatic, washable and crease-resistant effects, two amino molecules can be combined with macamide and macalene and can also be combined with resin, so that the compatibility between the macamide and the macalene resin is greatly increased, the selection of the surfactant is favorable for the dispersion of the macamide and the macalene in the resin, the applicant finds that the high-molecular resin is selected as the surfactant, namely PE and PP molecular wax can improve the tearing strength when the PE is used as an interface active wax, the tearing strength of the garment can be improved when the PE is used as a wet-process modified polyacrylonitrile, and the garment adopts a polyamide resin with low melting point, so that the garment is a garment is prepared by adopting a wet process of using polyacrylonitrile resin and a polyacrylonitrile resin, and a polyacrylonitrile resin with low-free-boiling pointBlending, melting, extruding and granulating, wherein the PE high-molecular wax can be sublimated to generate peculiar smell in a melting, extruding and spinning way due to higher temperature, so that the PP molecular wax is selected, and the peculiar smell generated by sublimation in high-temperature spinning of polyethylene wax can be overcome.
The invention also finds that when the maca fiber is prepared:
1. because the amide compounds are contained in the macamides and the macaenes, a high-temperature and excessively long-time drying process is not suitable for drying the macamides and the macaenes, so that the active ingredients of the macamides and the macaenes are prevented from being influenced; the water content of the dried macamides and macaenes should be below 0.04%, otherwise spinning is not easy to carry out normally.
2. The granularity of the prepared superfine maca refined powder master batch is less than 4 microns, and when the granularity of the superfine maca refined powder master batch is more than 6 microns, the spinning process cannot be normally carried out.
3. If the content of the superfine maca fine powder master batch in the functional fiber is lower than 2 parts, the spinnability is good, but the function is poor; if the content is more than 4 parts, the spinning performance is reduced, so that the content of the superfine maca fine powder master batch is preferably controlled to be 2-4 parts, and functional fibers with excellent performance can be prepared.
4. The melting temperature of polyacrylonitrile and modified polyacrylonitrile is higher than the decomposition temperature, if melt extrusion spinning is adopted, the polyacrylonitrile and the modified polyacrylonitrile are decomposed when the melting spinning temperature is not reached, so when the resin is polyacrylonitrile and modified polyacrylonitrile, the spinning means adopts wet spinning; when the resin is polyamide, modified polyamide or PP resin, the spinning means adopts melt extrusion spinning. Similarly, when the maca fine powder master batch is prepared and the resin type is polyacrylonitrile or modified polyacrylonitrile, a wet granulation process is adopted for granulation; when the resin is polyamide, modified polyamide or PP resin, the granulation process adopts double-screw blending, melting, extruding and granulating.
5. When the double-screw blending, melting, extruding and granulating are adopted, in order to prevent the loss of some components in macamide and macaene, the lower the temperature of the melt spinning process is, the better the temperature is, and the highest temperature of the spinning process is not higher than 275 ℃.
Several specific examples of the present invention are given below, but the present invention is not limited by the examples:
examples
Example 1:
an antifatigue maca fiber, wherein the content of maca in the fiber is 2 wt%.
The maca fiber raw materials comprise, by weight: 1.2 parts of superfine maca fine powder master batch and 98.8 parts of homogeneous fiber-grade resin slice.
The preparation method of the maca fine powder master batch comprises the following steps:
(1) extracting macamides and macaenes: accurately weighing 40g of maca powder in a 2L conical flask, adding 0.8L of distilled water and 1L of diethyl ether into the conical flask, sealing the conical flask by using a bottle stopper, placing the conical flask in a constant-temperature ultrasonic cleaner for 30min at 50 ℃, then standing for layering, taking an upper diethyl ether layer and filtering obtained residues, placing the upper diethyl ether layer and the filtering obtained residues in a 1.5L centrifugal tube, placing the centrifugal tube in a high-speed centrifuge for 20min at 40 ℃ at 4000r/min, pouring the centrifuged supernatant into a 4L glass container, rotationally evaporating diethyl ether on a rotary evaporator, dissolving the evaporated substances in 200mL of methanol, adding 20mL of sodium hydroxide (1mol/L) into the solution after the substances are fully dissolved, heating the solution in a 50 ℃ water bath for 50min, adding 80mL of carbonic acid (1mol/L) for neutralization, and evaporating the solution to dryness to obtain maca amide and maca alkene;
(2) preparing superfine maca fine powder master batch: drying the extracted macamides and macaenes in a vacuum drying oven at 70-75 ℃ for 5 hours to ensure that the water content is less than 0.04%, adding 20 parts of the dried macamides and macaenes into 7.3 parts of coupling agent N-beta- (aminoethyl) -3-aminopropyl methyl dimethoxysilane and 15.6-surfactant PP wax, kneading at 145 ℃ at a high speed to uniformly disperse and adsorb the macamides and macaenes on the surface of 57.1 parts of PP resin of a carrier, blending, melting and extruding by using double screws, cooling, and cutting into granules to form solid granules, and then adding the solid granules into an ultrafine pulverizer to perform ultrafine grinding for 3 times to prepare ultrafine maca fine powder master batches with the granularity of 8 microns.
The preparation method of the maca fiber comprises the following steps: drying the superfine maca fine powder master batch, then taking 1.2 parts of the maca fine powder master batch and 98.8 parts of PP fiber-grade resin slices for mixing, extruding by a double screw at 195 ℃, and granulating to prepare a fiber spinning material; spinning the winding yarn by a melt spinning machine; and (3) stretching the wound wires by 4 times at the temperature of 70 ℃ to obtain the anti-fatigue maca fiber.
The PP fiber-grade resin slices were purchased from a commercial polypropylene plastification business in Yuyao, City.
The resulting maca fibers were determined to have a strength of 2.5 CN/dtex, which is poor in spinnability.
Example 2:
preparing a maca fine powder master batch: superfine maca fine powder master batches with the granularity of 5 microns are prepared by superfine grinding for 4 times according to the method of example 1 and the mixture ratio of the materials.
Preparing maca fibers: the maca fiber of example 2 was prepared in the same manner as in example 1.
The strength of the obtained maca fiber is measured to be 2.5 CN/dtex, and the spinnability is good.
Example 3:
preparing a maca fine powder master batch: superfine maca fine powder master batches with the granularity of 2 microns are prepared by carrying out superfine grinding for 5 times according to the method of example 1 and the mixture ratio of the materials.
Preparing maca fibers: the maca fiber of example 3 was prepared in the same manner as in example 1.
The strength of the obtained maca fiber is measured to be 2.6 CN/dtex, and the spinnability is excellent.
Example 4:
preparing a maca fine powder master batch: the same ultrafine maca concentrate masterbatch as in example 3 was prepared.
Preparing maca fibers: the superfine maca fine powder master batch is dried, and then 3 parts of the maca fine powder master batch and 97 parts of PP fiber-grade resin slices are mixed to prepare the maca fiber in the same manner as in example 1.
The strength of the obtained maca fiber is 3.0 CN/dtex through measurement, and the spinnability is excellent.
Example 5:
preparing a maca fine powder master batch: the same ultra fine maca fine powder master batch as in example 3 was prepared,
preparing maca fibers: and drying the superfine maca fine powder master batch, and then slicing and mixing 7 parts of maca fine powder master batch and 93 parts of PP fiber-grade resin to prepare the maca fiber in the same manner as in example 1. The strength of the obtained maca fiber is measured to be 2.8 CN/dtex, and the spinnability is good.
Comparative example:
taking the same PP fiber-grade resin slices as in examples 1-5, extruding the slices by a double screw at 195 ℃, and granulating to prepare a fiber spinning material; spinning the winding yarn by a melt spinning machine; and (3) stretching the winding wire by 4 times at the temperature of 70 ℃ to obtain the anti-fatigue PP fiber.
The strength of the obtained fiber is measured to be 2.3 CN/dtex, and the spinnability is excellent.
The PP fiber grade resin chips described in examples 1-5 are homogeneous fiber resins of the resin used to prepare the ultra fine maca concentrate masterbatch.
The parameters of the strength, spinning effect, etc. of the fibers in the examples of the present invention and comparative examples are shown in table 1:
the strength of the fiber is the relative strength of the fiber, and is measured by an electronic dynamometer in terms of the breaking strength.
The spinnability good ring of the present example is judged from the rising speed of the pack pressure during spinning, and the speed of the pack pressure rising with good spinnability is relatively slow and stable.
TABLE 1
| Examples | Particle size (μm) of masterbatch additive | Strength of fiber (CN/dte) | Spinnability |
| Comparative example | 2.3 | Superior food | |
| Example 1 | 8 | 2.5 | Difference (D) |
| Example 2 | 5 | 2.5 | Good wine |
| Example 3 | 2 | 2.6 | Superior food |
| Example 4 | 2 | 3.0 | Superior food |
| Example 5 | 2 | 2.8 | Good wine |
Claims (10)
1. An anti-fatigue maca fiber is characterized in that the content of maca in the fiber is 2-6 wt%.
2. The fatigue-resistant maca fiber according to claim 1, wherein the maca fiber raw material comprises, by weight: 2-4 parts of superfine maca fine powder master batch and 96-98 parts of homogeneous fiber-grade resin slices.
3. The fatigue-resistant maca fiber according to claim 2, wherein the superfine maca fine powder masterbatch comprises, by weight: 10-30% of macamide and macaene; 4-15% of a coupling agent; 10-25% of a surfactant; the resin supplements the rest to 100 percent, and the granularity of the superfine maca refined powder master batch is less than 4 microns.
4. The fatigue-resistant maca fiber according to claim 3, wherein the coupling agent is one selected from silane coupling agents, titanate coupling agents, aluminate coupling agents and aluminum-titanium composite coupling agents; the surfactant is one or two selected from PE high polymer wax, PP molecular wax, paraffin, zinc stearate and calcium stearate; the resin is one of polyacrylonitrile, modified polyacrylonitrile, polyamide, modified polyamide and PP resin.
5. The fatigue-resistant maca fiber according to claim 4, wherein the coupling agent is selected from silane coupling agents selected from one of N-beta- (aminoethyl) -gamma aminopropyltrimethoxysilane, N-beta- (aminoethyl) -3 aminopropylmethyldimethoxysilane, gamma-glycidoxypropyltrimethoxysilane, gamma-aminopropyltriethoxysilane, gamma-methacryloxytrimethoxysilane and vinyltris (beta-methoxyethoxysilane).
6. A preparation method of the fatigue-resistant maca fiber according to any one of claims 2 to 5, wherein the maca fiber is prepared by drying superfine maca fine powder master batches, adding the superfine maca fine powder master batches into homogeneous fiber-grade resin slices, spinning and carrying out post-treatment processing.
7. The preparation method of the fatigue-resistant maca fiber, according to claim 6, is characterized in that the preparation of the superfine maca refined powder masterbatch is carried out according to the following process:
(1) extracting macamides and macaenes: weighing maca powder in a conical flask, adding distilled water and diethyl ether into the conical flask, sealing the conical flask by using a bottle plug, placing the conical flask in a constant-temperature ultrasonic cleaning instrument for ultrasonic treatment for a period of time, standing for layering, placing an upper diethyl ether layer and residues obtained by filtering in a centrifugal tube, placing the centrifugal tube in a high-speed centrifuge for centrifugation for a period of time, pouring supernate obtained by centrifugation into a glass container, rotationally evaporating diethyl ether on a rotary evaporator, dissolving substances obtained by evaporation into methanol, adding sodium hydroxide into the solution after the substances are fully dissolved, heating in a water bath for a period of time, adding carbonic acid for neutralization, and evaporating the solution to dryness to obtain maca amide and maca alkene;
(2) preparing superfine maca fine powder master batch: drying the extracted macamides and macaenes, adding a coupling agent, a surfactant and resin into the materials, then forming solid particles through a granulation process, adding the obtained solid particles into an ultrafine grinder to carry out ultrafine grinding for 3-5 times, and preparing ultrafine maca fine powder master batches with the granularity smaller than 4 microns.
8. The preparation method of the fatigue-resistant maca fiber, according to the claim 7, is characterized in that in the step (2), the maca amide and the maca alkene obtained through extraction are dried in a vacuum drying oven at the temperature of 70-80 ℃ for 3-5 hours to enable the water content to be less than 0.04%, a coupling agent, a surfactant and resin are added into the materials, then solid particles are formed through a granulation process at the temperature of 140-160 ℃, the obtained solid particles are added into an ultrafine pulverizer to be subjected to ultrafine grinding for 3-5 times, and ultrafine maca fine powder master batches with the granularity of less than 4 microns are prepared.
9. The preparation method of the fatigue-resistant maca fiber according to claim 7 or 8, wherein when the resin is polyacrylonitrile or modacrylic, the granulation process is wet granulation; when the resin is polyamide, modified polyamide or PP resin, the granulation process is double-screw blending, melting, extruding and granulating.
10. The preparation method of the fatigue-resistant maca fiber according to claim 6, wherein when the resin is polyacrylonitrile or modacrylic, the spinning means is wet spinning; when the resin is polyamide, modified polyamide or PP resin, the spinning means adopts melt extrusion spinning.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112323503A (en) * | 2020-11-16 | 2021-02-05 | 浙江技立新材料股份有限公司 | Preparation method of macamide finishing agent for fabric finishing |
| CN113953013A (en) * | 2021-10-21 | 2022-01-21 | 丽江英煌集生物工程有限公司 | Efficient macamide extraction device and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323503A (en) * | 2020-11-16 | 2021-02-05 | 浙江技立新材料股份有限公司 | Preparation method of macamide finishing agent for fabric finishing |
| CN113953013A (en) * | 2021-10-21 | 2022-01-21 | 丽江英煌集生物工程有限公司 | Efficient macamide extraction device and preparation method thereof |
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