CN114481350A - Hyaluronic acid acrylic fiber and preparation method thereof - Google Patents
Hyaluronic acid acrylic fiber and preparation method thereof Download PDFInfo
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- CN114481350A CN114481350A CN202210221797.2A CN202210221797A CN114481350A CN 114481350 A CN114481350 A CN 114481350A CN 202210221797 A CN202210221797 A CN 202210221797A CN 114481350 A CN114481350 A CN 114481350A
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- hyaluronic acid
- acrylic fiber
- dmac
- acid acrylic
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 title claims abstract description 206
- 229920002674 hyaluronan Polymers 0.000 title claims abstract description 206
- 229960003160 hyaluronic acid Drugs 0.000 title claims abstract description 206
- 229920002972 Acrylic fiber Polymers 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 54
- 239000000725 suspension Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 38
- 239000004094 surface-active agent Substances 0.000 claims abstract description 33
- 238000009987 spinning Methods 0.000 claims abstract description 31
- 239000002904 solvent Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 77
- 239000006185 dispersion Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 5
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 claims description 3
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 229940082004 sodium laurate Drugs 0.000 claims description 2
- 229940045870 sodium palmitate Drugs 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 9
- 230000003796 beauty Effects 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 4
- 230000002045 lasting effect Effects 0.000 abstract description 2
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 abstract 4
- 239000000835 fiber Substances 0.000 description 12
- 239000004744 fabric Substances 0.000 description 8
- 239000004753 textile Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- HGINCPLSRVDWNT-UHFFFAOYSA-N acrylaldehyde Natural products C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- D01F6/54—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 nitriles
-
- 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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides a hyaluronic acid acrylic fiber and a preparation method thereof, wherein the method comprises the following steps: mixing and stirring polyacrylonitrile and a DMAC solvent uniformly to prepare a spinning solution; mixing hyaluronic acid and a surfactant to obtain a hyaluronic acid mixture; crushing the hyaluronic acid mixture into hyaluronic acid particles by an ultra-high pressure microjet method; rapidly dispersing the hyaluronic acid particles into a DMAC solvent to form a hyaluronic acid DMAC suspension; and when the spinning solution is pushed into spinning equipment, simultaneously injecting the suspension of the hyaluronic acid DMAC to form the initial hyaluronic acid acrylic fiber. The hyaluronic acid acrylic fiber prepared by the preparation method of the hyaluronic acid acrylic fiber provided by the invention has the characteristics of excellent and lasting antistatic property and anti-pilling property, capability of increasing the skin care, health care and beauty treatment functions of the acrylic fiber, difficulty in losing hyaluronic acid components and the like.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to hyaluronic acid acrylic fiber and a preparation method thereof.
Background
The acrylic fiber has the characteristics of fluffiness, softness, light weight, moth and mould resistance, strong light resistance and good elasticity, and simultaneously has good heat resistance, and can be made into mountaineering wear, winter warm-keeping wear and the like. However, the acrylic fabric has the problems of poor antistatic performance and easy pilling of the fabric, and the comfort of the acrylic fabric is influenced.
The hyaluronic acid has the functions of moisturizing and locking water, can moisten and smooth, and is fine and tender, and has the functions of resisting wrinkles, removing wrinkles and the like.
The hyaluronic acid is added into the acrylic fiber, so that the moisture retention performance of the acrylic fiber is enhanced while the characteristics of the acrylic fiber are not changed, the antistatic property and the pilling resistance of the acrylic fabric can be greatly improved, and the skin care, health care and beauty functions of the acrylic fiber can be improved.
However, most of the functional textile fabrics containing hyaluronic acid in the prior art are realized in an after-finishing auxiliary agent mode, so that a large amount of effective ingredients of hyaluronic acid are lost in the fabric padding, washing and drying processes, and the hyaluronic acid and textile materials cannot be effectively fused by the technology, so that the technical problem that the hyaluronic acid is rapidly lost in a large amount in the using process exists, and the existing fiber products containing hyaluronic acid have the technical problems that the effects of water retention, health care, beauty treatment and the like are not obvious and are not long-lasting.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides a hyaluronic acid acrylic fiber and a preparation method thereof.
According to the first aspect of the embodiment of the invention, the preparation method of the hyaluronic acid acrylic fiber comprises the following steps:
mixing and stirring polyacrylonitrile and a DMAC solvent uniformly to prepare spinning solution for later use;
mixing hyaluronic acid and a surfactant to obtain a hyaluronic acid mixture;
crushing the hyaluronic acid mixture into hyaluronic acid particles by an ultra-high pressure microjet method;
rapidly dispersing the hyaluronic acid particles into a DMAC solvent to form a hyaluronic acid DMAC suspension;
and when the spinning solution is pushed into spinning equipment, simultaneously injecting the suspension of the hyaluronic acid DMAC to form the initial hyaluronic acid acrylic fiber.
In some embodiments of the invention, after forming the initial hyaluronic acid acrylic fiber, the method further comprises:
and (3) passing the initial hyaluronic acid acrylic fiber through DMAC (dimethylacetamide) with the constant concentration of 50% to form reinforced hyaluronic acid acrylic fiber.
In some embodiments of the invention, after forming the reinforced hyaluronic acid acrylic fiber, the method further comprises:
and (3) after the reinforced hyaluronic acid acrylic fiber is subjected to the processes of drafting and repeated winding, forming the formed hyaluronic acid acrylic fiber.
In some embodiments of the invention, the hyaluronic acid and the surfactant are mixed according to a mixing ratio of 100 (1-7).
In some embodiments of the invention, the particle size of the hyaluronic acid mixture is between 0.5 μm and 5 μm.
In some embodiments of the invention, the hyaluronic acid particles and the DMAC solvent dispersion ratio is (0.2-5): 100.
in some embodiments of the present invention, the surfactant comprises one or more of span, sodium laurate, and sodium palmitate.
In some embodiments of the invention, the ultra high pressure microfluidics jet pressure is 310 MPa.
According to the second aspect of the embodiments of the present invention, there is provided a hyaluronic acid acrylic fiber, which is prepared by using the preparation method of hyaluronic acid acrylic fiber according to any one of the embodiments.
Compared with the prior art, the invention has the beneficial effects that:
1. the hyaluronic acid is added into the acrylic fiber, so that the moisture retention performance of the acrylic fiber is enhanced while the characteristics of the acrylic fiber are not changed, the antistatic performance of the acrylic fiber and the anti-pilling performance of the fabric are greatly improved, and the skin-care, health-care and beauty-care functions of the acrylic fiber are increased;
2. the surfactant is added into the hyaluronic acid and is wrapped outside the hyaluronic acid micro-particles, so that the aggregation phenomenon of the hyaluronic acid is avoided; the method is characterized in that the hyaluronic acid is crushed into tiny particles by adopting an ultra-high pressure microjet method, so that the hyaluronic acid can be uniformly dispersed in a DMAC solvent to form a hyaluronic acid DMAC suspension, and the problem that the hyaluronic acid and the 100% DMAC solvent cannot be fully mixed is solved;
3. the hyaluronic acid acrylic fiber obtained by fully mixing the hyaluronic acid and the DMAC solvent and then spinning with the spinning solution enables the hyaluronic acid and the textile material to be effectively fused, solves the problem that a large amount of hyaluronic acid active ingredients are lost in the process of padding, washing and drying the fabric, and enables the hyaluronic acid acrylic fiber to have remarkable and lasting effects of water retention, health care, beauty treatment and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for preparing hyaluronic acid acrylic fiber according to an embodiment of the present invention;
FIG. 2 is a schematic view of a process for processing hyaluronic acid acrylic fiber according to an embodiment of the present invention.
Description of reference numerals: a-spinning solution; b-hyaluronic acid DMAC suspension; c-initial hyaluronic acid acrylic fiber; d-50% DMAC solvent; e-reinforcing hyaluronic acid acrylic fiber; f-forming hyaluronic acid acrylic fiber.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The term "prepared from …" as used herein is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or events may or may not occur, and that the description includes instances where the event occurs and instances where it does not.
Approximating language, as used herein throughout the specification and claims, is intended to modify a quantity, such that the invention is not limited to the specific quantity, but includes portions that are literally received for modification without substantial change in the basic function to which the invention is related. Accordingly, the use of "about" to modify a numerical value means that the invention is not limited to the precise value. In some instances, the approximating language may correspond to the precision of an instrument for measuring the value. In the present description and claims, range limitations may be combined and/or interchanged, including all sub-ranges contained therein if not otherwise stated.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the number clearly indicates the singular.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic flow chart of a method for preparing hyaluronic acid acrylic fiber according to an embodiment of the present invention; FIG. 2 is a schematic view of a process for processing hyaluronic acid acrylic fiber according to an embodiment of the present invention. The acrylic fiber with hyaluronic acid and the preparation method thereof according to the embodiment of the present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1, a preparation method of hyaluronic acid acrylic fiber comprises the following steps:
s1: and mixing and stirring polyacrylonitrile and a DMAC solvent uniformly to prepare spinning solution for later use.
Polyacrylonitrile and DMAC solvent are directly purchased and obtained in the market, and in addition, the DMAC solvent used for preparing acrylon cannot contain water, so that the concentration of the DMAC solvent is required to be 100%. The specific compounding ratio and preparation method of the spinning solution are prior art and will not be described herein.
S2: hyaluronic acid and a surfactant are mixed to obtain a hyaluronic acid mixture.
The surfactant can be one or more compound dispersants of span, sodium dodecaneate and sodium hexadecanoate. The mixing ratio of the hyaluronic acid to the surfactant can be 100 (1-7), the hyaluronic acid and the surfactant can be further mixed according to the ratio of 100:3, and the hyaluronic acid and the surfactant can be fully mixed by adopting a high-shear dispersion method.
S3: the hyaluronic acid mixture is crushed into hyaluronic acid particles by an ultra-high pressure microjet method.
The micro-jet pulverizing method is a pulverizing method in which fluid with several times of sound velocity is generated through a valve core with a very small aperture under the action of ultrahigh pressure (310MPa), so that the material is dispersed and pulverized to form ultrafine powder. In the embodiment of the invention, the hyaluronic acid mixture is crushed into hyaluronic acid particles with micron-sized sizes by a high-speed impact separation in a micro-channel through a micro-jet method with ultrahigh pressure of 310MPa, the particle size of the hyaluronic acid mixture can be 0.5-5 microns, and the particle size of the more preferable hyaluronic acid mixture can be 1 micron.
S4: quickly dispersing the hyaluronic acid particles into a DMAC solvent to form a hyaluronic acid DMAC suspension for later use;
after the hyaluronic acid mixture is crushed into hyaluronic acid particles with the size of 1 micron, the hyaluronic acid particles are rapidly dispersed in a 100% DMAC solvent to form a hyaluronic acid DMAC suspension. In some embodiments of the present invention, the ratio of the hyaluronic acid particles to the DMAC solvent dispersion may be (0.2-5): 100, preferably, the dispersion ratio of the hyaluronic acid particles to the DMAC solvent can be (0.2-5): 100.
s5: and when the spinning solution is pushed into spinning equipment, simultaneously injecting a hyaluronic acid DMAC suspension to form the initial hyaluronic acid acrylic fiber.
As shown in fig. 2, in the spinning apparatus, when the spinning solution was pushed in through the screw, a suspension of hyaluronic acid DMAC was simultaneously injected to form an initial hyaluronic acid acrylic fiber. In the embodiment of the present invention, the spinning apparatus used is not particularly limited as long as it is sufficient to realize the fiber production method in the embodiment.
S6: and (3) passing the initial hyaluronic acid acrylic fiber through DMAC (dimethylacetamide) with the concentration constant of 50% to form the reinforced hyaluronic acid acrylic fiber.
As shown in fig. 2, the original hyaluronic acid acrylic fiber was passed through DMAC having a constant concentration of 50% to solidify and reinforce the original fiber, thereby forming a reinforced hyaluronic acid acrylic fiber.
S7: the reinforced hyaluronic acid acrylic fiber is subjected to the procedures of drafting and repeated winding to form the formed hyaluronic acid acrylic fiber.
As shown in fig. 2, the reinforced hyaluronic acid acrylic fiber is subjected to steps of drawing, repeated winding, and the like, to form a final molded hyaluronic acid acrylic fiber. The processes of drafting, winding and the like are the same as the common spinning fiber processing method in the prior art, and detailed description is omitted here.
It should be noted that, in step S1, the spinning solution is mainly prepared, the suspension of hyaluronic acid DMAC is mainly prepared in steps S2 to S4, and the suspension of hyaluronic acid DMAC is used in step S5, so the order of preparing the spinning solution and the suspension of hyaluronic acid DMAC is not limited to the order in the embodiment of the present invention, and the spinning solution may be prepared after the suspension of hyaluronic acid DMAC is prepared.
Based on the implementation principle, the hyaluronic acid acrylic fiber provided by the embodiment is prepared by using the hyaluronic acid acrylic fiber preparation method provided by any one of the embodiments.
Example 1
Purpose of the experiment: comparing the influence of hyaluronic acid and surfactant in different proportions on hyaluronic acid acrylic fiber.
And (3) test operation:
a. mixing hyaluronic acid and a surfactant according to different proportions, crushing the mixture of the hyaluronic acid and the surfactant into particles with the size of 1 mu m by an ultrahigh-pressure microjet crushing method, rapidly dispersing the particles into DMAC (dimethylacetamide) to prepare different hyaluronic acid DMAC suspensions, and keeping the rest operations unchanged.
Hyaluronic acid DMAC suspension, designated a1, made when the ratio of hyaluronic acid to surfactant is 100: 1;
hyaluronic acid DMAC suspension, designated a2, made when the ratio of hyaluronic acid to surfactant is 100: 2;
hyaluronic acid DMAC suspension, designated a3, made when the ratio of hyaluronic acid to surfactant is 100: 3;
hyaluronic acid DMAC suspension, designated a4, made when the ratio of hyaluronic acid to surfactant is 100: 4;
hyaluronic acid DMAC suspension, designated a5, made when the ratio of hyaluronic acid to surfactant is 100: 5;
hyaluronic acid DMAC suspension, designated a6, made when the ratio of hyaluronic acid to surfactant is 100: 6;
a hyaluronic acid DMAC suspension was prepared at a hyaluronic acid to surfactant ratio of 100:7, and is designated A7.
b. According to the implementation steps, seven groups of hyaluronic acid DMAC suspensions of A1, A2, A3, A4, A5, A6 and A7 are respectively injected into spinning solution, different hyaluronic acid acrylic fibers are prepared through spinning equipment, the seven groups of fibers are observed and compared with the structural functions of the fibers, and the influence of the ratio of hyaluronic acid to a surfactant on the hyaluronic acid acrylic fibers is shown in Table 1.
TABLE 1 influence of hyaluronic acid to surfactant ratio on hyaluronic acid acrylic fiber
The experimental results are as follows: when the ratio of the hyaluronic acid to the surfactant is 100:3, the obtained hyaluronic acid acrylic fiber has the best quality and functionality.
Example 2
Purpose of the experiment: and comparing the influence of the hyaluronic acid particles with different particle sizes on the spinning fiber.
And (3) test operation:
a. mixing hyaluronic acid and surfactant according to the ratio of 100:3, crushing the mixture of the hyaluronic acid and the surfactant into hyaluronic acid particles with different sizes and particle diameters by an ultrahigh-pressure microjet crushing method, rapidly dispersing the hyaluronic acid particles into a DMAC solvent, respectively preparing different hyaluronic acid DMAC suspensions, and keeping the rest operations unchanged;
when the particle size of the hyaluronic acid particles is 0.5 mu m, preparing a hyaluronic acid DMAC suspension, which is marked as B1;
when the particle size of the hyaluronic acid particles is 1 mu m, preparing a hyaluronic acid DMAC suspension, and recording the hyaluronic acid DMAC suspension as B2;
when the particle size of the hyaluronic acid particles is 1.5 mu m, preparing a hyaluronic acid DMAC suspension, which is marked as B3;
when the particle size of the hyaluronic acid particles is 2 microns, preparing a hyaluronic acid DMAC suspension, and recording the hyaluronic acid DMAC suspension as B4;
when the particle size of the hyaluronic acid particles is 3 mu m, preparing a hyaluronic acid DMAC suspension, and recording the hyaluronic acid DMAC suspension as B5;
when the particle size of the hyaluronic acid particles is 4 microns, preparing a hyaluronic acid DMAC suspension, and recording the hyaluronic acid DMAC suspension as B6;
a suspension of hyaluronic acid DMAC, designated B7, was prepared with hyaluronic acid particles having a size of 5 μm.
b. According to the implementation steps, seven groups of hyaluronic acid DMAC suspensions of B1, B2, B3, B4, B5, B6 and B7 are respectively injected into spinning solutions, different hyaluronic acid acrylic fibers are prepared through a spinning device, and the seven groups of fibers are observed to compare the structural functions of the fibers. The effect of hyaluronic acid fragments of different particle sizes on the hyaluronic acid acrylic fiber is shown in table 2.
TABLE 2 influence of hyaluronic acid particles of different particle sizes on hyaluronic acid acrylic fiber
The experimental results are as follows: when the particle size of the mixture of the hyaluronic acid and the surfactant is 1 mu m, the obtained hyaluronic acid acrylic fiber has the best quality and functionality.
Example 3
Purpose of the experiment: comparing the influence of the dispersion ratio of the hyaluronic acid particles and the DMAC solvent on the spinning fiber
And (3) test operation:
a. mixing hyaluronic acid and surfactant according to the ratio of 100:3, crushing the mixture of the hyaluronic acid and the surfactant into particles with the size of 1 mu m by a micro-jet crushing method, rapidly dispersing the mixture of the hyaluronic acid and the surfactant into the DMAC, respectively preparing different hyaluronic acid DMAC suspensions according to different dispersion ratios, and keeping the rest operations unchanged.
When the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 0.1:100, the mark is C1;
when the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 0.2:100, the ratio is recorded as C2;
when the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 0.3:100, the ratio is recorded as C3;
when the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 0.4:100, the ratio is recorded as C4;
when the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 0.5:100, recording as C5;
when the dispersion ratio of the hyaluronic acid particles to the DMAC solvent is 1:100, recording as C6;
the ratio of the hyaluronic acid particles to the DMAC solvent dispersion was 5:100, and the ratio was designated as C7.
b. According to the implementation steps, seven groups of hyaluronic acid DMAC suspensions of C1, C2, C3, C4, C5, C6 and C7 are respectively injected into spinning solutions, different hyaluronic acid acrylic fibers are prepared through a spinning device, and the seven groups of fibers are observed to compare the structural functions of the fibers. The effect of the hyaluronic acid particle to DMAC solvent dispersion ratio on the spun fibers is shown in table 3.
The experimental results are as follows: when the dispersion ratio of the hyaluronic acid and surfactant mixture powder to DMAC is 0.1:100, the obtained hyaluronic acid acrylic fiber has the best quality and functionality and the lowest cost.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It should be understood that the above-described embodiments of the present application are not intended to limit the scope of the present application, which is limited only by the appended claims.
Claims (9)
1. A preparation method of hyaluronic acid acrylic fiber is characterized by comprising the following steps:
mixing and stirring polyacrylonitrile and a DMAC solvent uniformly to prepare a spinning solution;
mixing hyaluronic acid and a surfactant to obtain a hyaluronic acid mixture;
crushing the hyaluronic acid mixture into hyaluronic acid particles by an ultra-high pressure microjet method;
rapidly dispersing the hyaluronic acid particles into a DMAC solvent to form a hyaluronic acid DMAC suspension;
and when the spinning solution is pushed into spinning equipment, simultaneously injecting the suspension of the hyaluronic acid DMAC to form the initial hyaluronic acid acrylic fiber.
2. The method for preparing acrylic fiber hyaluronic acid according to claim 1, wherein after forming the initial acrylic fiber hyaluronic acid, the method further comprises:
and (3) passing the initial hyaluronic acid acrylic fiber through DMAC (dimethylacetamide) with the constant concentration of 50% to form reinforced hyaluronic acid acrylic fiber.
3. The method for preparing acrylic fiber hyaluronic acid according to claim 2, wherein after forming the reinforced acrylic fiber hyaluronic acid, the method further comprises:
and (3) after the reinforced hyaluronic acid acrylic fiber is subjected to the processes of drafting and repeated winding, forming the formed hyaluronic acid acrylic fiber.
4. The preparation method of hyaluronic acid acrylic fiber according to claim 1, wherein the mixing ratio of hyaluronic acid and the surfactant is (1-7) 100.
5. The method for preparing hyaluronic acid acrylic fiber according to claim 1, wherein the particle size of the hyaluronic acid mixture is 0.5 μm-5 μm.
6. The preparation method of hyaluronic acid acrylic fiber according to claim 1, wherein the dispersion ratio of hyaluronic acid particles to DMAC solvent is (0.2-5): 100.
7. the method for preparing hyaluronic acid acrylic fiber according to any of claims 1-6, wherein the surfactant comprises one or more compound dispersants selected from span, sodium laurate and sodium palmitate.
8. The method for preparing hyaluronic acid acrylic fiber according to any of claims 1-6, wherein the ultra-high pressure microjet process jet pressure is 310 MPa.
9. A hyaluronic acid acrylic fiber, characterized in that the hyaluronic acid acrylic fiber is prepared by the hyaluronic acid acrylic fiber preparation method of any claim 1-8.
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