CN112064181A - Soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric - Google Patents
Soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric Download PDFInfo
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- CN112064181A CN112064181A CN202010925804.8A CN202010925804A CN112064181A CN 112064181 A CN112064181 A CN 112064181A CN 202010925804 A CN202010925804 A CN 202010925804A CN 112064181 A CN112064181 A CN 112064181A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
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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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/20—Protein-derived artificial fibres
- D10B2211/26—Globulin, e.g. groundnut protein
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric which is characterized by being formed by weaving soybean protein fibers and graphene-containing synthetic fibers in a blended yarn, wherein the mass percentage of the soybean protein fibers in the blended yarn is 60-70%; the transverse density of the knitted fabric is (68-75)/10 cm; the longitudinal density is (35-42)/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 60-80 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 10-20 parts of PA 6610, 0.3-0.8 part of 1,3, 5-tri [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 1-3 parts of graphene, 1-2 parts of pumice powder and 3-5 parts of epoxy hyperbranched terminal group poly (amine-ester). The invention also discloses a preparation method of the fabric. The fabric disclosed by the invention has the advantages of good moisture absorption and sweat releasing effects, wearing comfort, excellent antibacterial performance, high washing fastness and good performance stability.
Description
Technical Field
The invention relates to the technical field of knitted fabrics, in particular to a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric.
Background
With the improvement of living standard of people, higher requirements are put forward on fabrics for making clothes, which not only are durable, but also have stronger heat retention, skin-friendly property and comfort level, and simultaneously have stronger moisture absorption and transmission performance and antibacterial performance. In order to realize the functions, fabrics on the market are basically realized by adding auxiliary agents in the post-finishing process, however, the compatibility between the auxiliary agents and the fabric components is poor, so that the functional stability is poor, and the functions are greatly weakened and disappear after being washed for a plurality of times.
The soybean protein fiber is produced with squeezed soybean dregs as material and through extracting globulin from the dregs, adding functional assistant, grafting with nitrile group, hydroxyl group and other polymer, copolymerization and mixing to produce protein spinning liquid with certain concentration, altering the spatial structure of protein and wet spinning. It has excellent performances of cashmere-like soft hand feeling, silk-like soft luster, cotton warmth retention property, good skin-friendly property and the like. In addition, the fiber has the advantages of fine fineness, light specific gravity, high strength and elongation, strong acid and alkali resistance, good moisture absorption and conductivity, and obvious bacteriostatic function, is known as healthy and comfortable fiber in new century, and is a good product for manufacturing garment materials. However, when the soybean protein fiber is used alone to make the garment material, the soybean protein fiber has the defects that fluffing is easy to generate after being used for a period of time, the appearance is affected due to yellow color, the moisture and heat resistance is poor, the soybean protein fiber cannot be normally used under extremely wet or dry conditions, and the weather resistance, the aging resistance, the antistatic property, the moisture absorption and sweat releasing performance are required to be further improved.
The graphene-containing synthetic fiber is a fiber product which is effectively combined by a graphene material and a common synthetic fiber material, keeps various basic performances of the common synthetic fiber material, and has one or more unique properties of graphene, has the internal-warming far-infrared health care effect, and can effectively improve the microcirculation of human bodies, and has the functions of degerming, bacteriostasis, ultraviolet resistance and static resistance. The material can have other functions according to different types of common synthetic fiber materials, and the high added value of the material is realized. However, the wearing comfort, washing fastness and other properties of the materials in the prior art need to be further improved.
The Chinese invention patent with the application number of 201811243504.0 discloses a soybean protein fiber and graphene fiber blended knitted fabric which comprises the following components in parts by weight: 30-60 parts of graphene viscose composite fiber, 30-50 parts of soybean protein fiber, 10-30 parts of organic cotton and 3-10 parts of spandex; the fabric is soft and comfortable by adopting graphene, soybean protein, organic cotton and spandex to match and blend in a proper proportion, has good skin-friendly performance, is crease-resistant and smooth, has good elasticity and shaping effect, and also has the functions of ultra-strong far infrared, degerming, bacteriostasis, moisture absorption, perspiration, ultraviolet resistance and antistatic function, and the function of the fabric can not be weakened due to wearing time, and the material used by the fabric is green and environment-friendly, and is a green and environment-friendly internal heating material with a health care function. However, the patent does not disclose the preparation method of the knitted fabric, and the compatibility among the fibers is not good, and the phase separation is easy to occur, which affects the durability and washing fastness of the fabric. The graphene viscose composite fiber is not high in graphene content and is not obvious in effect.
Therefore, the development of the graphene-containing synthetic fiber blended knitted fabric for the soybean protein fibers, which has the advantages of good comprehensive performance, excellent performances of the graphene material and the soybean protein fibers, good moisture absorption and sweat releasing effects, wearing comfort, excellent antibacterial performance, high washing fastness and good performance stability, meets the market demand, has wide market value and application prospect, and has very important significance for promoting the development of the knitted fabric industry.
Disclosure of Invention
The invention aims to solve the problems and provides the blended knitted fabric of the soybean protein fiber and the synthetic fiber containing the graphene, which has good comprehensive performance, excellent performances of the graphene material and the soybean protein fiber, good moisture absorption and sweat releasing effects, wearing comfort, excellent antibacterial performance, high washing fastness and good performance stability; meanwhile, the invention also provides a preparation method of the blended knitted fabric of the soybean protein fiber and the graphene-containing synthetic fiber, and the preparation method is simple and easy to implement, convenient to operate and control, low in preparation cost, high in preparation efficiency and yield and suitable for continuous large-scale production.
In order to achieve the purpose, the invention provides the following technical scheme that the soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized in that the knitted fabric is formed by weaving soybean protein fibers and graphene-containing synthetic fiber blended yarns, wherein the mass percentage of the soybean protein fibers in the blended yarns is 60-70%; the transverse density of the knitted fabric is (68-75)/10 cm; the longitudinal density is (35-42)/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 60-80 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 10-20 parts of PA 6610, 0.3-0.8 part of 1,3, 5-tri [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 1-3 parts of graphene, 1-2 parts of pumice powder and 3-5 parts of epoxy hyperbranched terminal group poly (amine-ester).
Preferably, the preparation method of the epoxy-terminated hyperbranched poly (amine-ester) is described in chinese patent application No. 200910067539.8, example 6.
Preferably, the particle size of the pumice powder is 800-1000 meshes.
Preferably, the PA66 is under the trademark AS30BK 9021.
Preferably, the method for preparing the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting at 80-90 deg.C under nitrogen or inert gas atmosphere for 6-10 hr, rotary evaporating to remove solvent and by-product, and drying at 85-95 deg.C in vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate.
Preferably, the molar ratio of the 2, 6-diaminopurine nucleoside, the high boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1 (6-10) to 1 (0.8-1.4).
Preferably, the high boiling point solvent is at least one of dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone.
Preferably, the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
Preferably, the inert gas is any one of helium, neon and argon.
Preferably, the preparation method of the graphene-containing synthetic fiber comprises the following steps: the preparation method comprises the steps of firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out melt spinning molding on the melt to obtain the synthetic fiber containing graphene.
Preferably, the melt spinning molding process parameters are as follows: the spinning temperature is 200-230 ℃, the spinning speed is 2800-3300m/min, the drawing temperature is 65-85 ℃, and the total drawing ratio is 5-10.
The invention also aims to provide a preparation method of the soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric, which is characterized by comprising the following steps of: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; and then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric.
Preferably, the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening treatment, tentering and setting, cloth inspecting and rolling.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the invention provides a preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric, which comprises the steps of firstly interweaving or plying and twisting soybean protein fibers and graphene-containing synthetic fibers, then weaving by using a circular knitting machine, and then carrying out post-treatment; through plying, twisting and blending, the comprehensive performance of the manufactured fabric is effectively improved, the risk of thread breakage is reduced, special processes and special equipment are not needed in the whole preparation process, the preparation process is simple, the operation and the control are convenient, the preparation cost is low, the preparation efficiency and the yield are high, and the method is suitable for continuous large-scale production.
(2) The blended knitted fabric of the soybean protein fiber and the synthetic fiber containing the graphene, provided by the invention, overcomes the defects that when the soybean protein fiber is singly used for manufacturing a garment fabric, fluffing phenomenon is easy to generate after the soybean protein fiber is used for a period of time, the color is yellow, the appearance is influenced, the humidity resistance is poor, the soybean protein fiber cannot be normally used under the condition of extreme wetness or dryness, the weather resistance, the aging resistance, the antistatic property and the moisture absorption and perspiration property are required to be further improved, the technical problems that the wearing comfort, the washing fastness and other properties of the synthetic fiber containing the graphene in the prior art are required to be further improved, the defects that the blended material of the two materials on the market is not high in openness, the durability and the washing fastness and the effect is not obvious are overcome, and the components have synergistic effect, so that the manufactured blended knitted fabric of the soybean protein fiber and the synthetic fiber containing the graphene has good comprehensive performance, meanwhile, the fabric has the excellent performances of graphene materials and soybean protein fibers, and is good in moisture absorption and sweat releasing effects, comfortable to wear, excellent in antibacterial performance, high in washing fastness and good in performance stability.
(3) According to the soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric provided by the invention, the soybean protein fiber and graphene-containing synthetic fiber are reasonably prepared, so that the prepared fabric has good comprehensive performance, and the advantages of the soybean protein fiber and graphene-containing synthetic fiber can be taken into consideration, wherein the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 60-80 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 10-20 parts of PA 6610, 0.3-0.8 part of 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 1-3 parts of graphene, 1-2 parts of pumice powder and 3-5 parts of epoxy hyperbranched terminal group poly (amine-ester); the components have synergistic effect, so that the prepared fiber material has good biocompatibility, excellent antibacterial property, mechanical property, antistatic property, weather resistance, aging resistance and water washing resistance, and can endow the fabric with a health-care function and promote blood circulation.
(4) The soybean protein fiber blended knitted fabric containing graphene synthetic fibers, which is provided by the invention, has a polyamide structure similar to PA66 by using a 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate as a base material, so that the compatibility of the two is good, methoxy silyl on 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione is easy to connect inorganic additive components through a bridging effect, the inorganic additive components are fixed, the dispersion uniformity and the compatibility with organic components are effectively improved, the triazine structure on the soybean protein fiber is similar to the triazine structure on the main chain of the polycondensate, the blending effect between the two is good, and the performance stability of the fabric is good on the whole.
(5) According to the blended knitted fabric containing the soybean protein fibers and the graphene synthetic fibers, the added 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate molecular chain contains more active hydrophilic hydroxyl groups, so that the fabric has better air permeability and moisture absorption performance, and the wearing comfort is further effectively improved; purine nucleoside and other structures not only have good biocompatibility, but also have low price; more nitrogen-containing structures are introduced into the molecular chain, so that the flame retardance of the fabric is improved; in addition, the coating also has great improvement effect on the ageing resistance and the weather resistance. Epoxy groups on the epoxy terminal hyperbranched poly (amine-ester) can generate ring-opening reaction with active hydroxyl groups on other components, so that a three-dimensional network structure is formed in the spinning process, and the comprehensive performance is effectively improved.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following provides a detailed description of the product of the present invention with reference to the examples.
In the embodiment, the required raw materials are all purchased commercially; the preparation method of the epoxy terminal hyperbranched poly (amine-ester) is shown in Chinese patent application No. 200910067539.8, namely embodiment 6.
Example 1
The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 60%; the transverse density of the knitted fabric is 68/10 cm; the longitudinal density is 35/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate 60 parts, PA 6610 parts, 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione 0.3 part, graphene 1 part, pumice powder 1 part, and epoxy-terminated hyperbranched poly (amine-ester) 3 parts.
The particle size of the pumice powder is 800 meshes; the PA66 is marked AS30BK 9021.
The preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting for 6 hours at 80 ℃ in nitrogen atmosphere, then evaporating to remove solvent and by-product, placing in a vacuum drying oven at 85-95 ℃ and drying to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate; the molar ratio of the 2, 6-diaminopurine nucleoside, the high-boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1:6:1: 0.8; the high boiling point solvent is dimethyl sulfoxide; the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
The preparation method of the graphene-containing synthetic fiber comprises the following steps: firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out a melt spinning molding process on the melt to prepare the synthetic fiber containing graphene; the melt spinning molding process parameters are as follows: the spinning temperature is 200 ℃, the spinning speed is 2800m/min, the drawing temperature is 65 ℃, and the total drawing ratio is 5.
A preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized by comprising the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric; the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening, tentering and setting, cloth inspecting and rolling.
Example 2
The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 63%; the transverse density of the knitted fabric is 70/10 cm; the longitudinal density is 37/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate 65 parts, PA 6612 parts, 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione 0.5 part, graphene 1.5 parts, pumice powder 1.2 parts, epoxy-terminated hyperbranched poly (amine-ester) 3.5 parts.
The particle size of the pumice powder is 850 meshes; the PA66 is marked AS30BK 9021.
The preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting for 7 hours at 83 ℃ under helium atmosphere, then evaporating to remove solvent and by-product, and drying at 88 ℃ in a vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate.
The molar ratio of the 2, 6-diaminopurine nucleoside, the high-boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1:7:1: 1; the high boiling point solvent is N, N-dimethylformamide; the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
The preparation method of the graphene-containing synthetic fiber comprises the following steps: firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out a melt spinning molding process on the melt to prepare the synthetic fiber containing graphene; the melt spinning molding process parameters are as follows: the spinning temperature was 210 ℃, the spinning speed was 2900m/min, the drawing temperature was 68 ℃ and the total draw ratio was 6.
A preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized by comprising the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric; the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening, tentering and setting, cloth inspecting and rolling.
Example 3
The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 65%; the transverse density of the knitted fabric is 71/10 cm; the longitudinal density is 39/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: the composition comprises 70 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 0.5 part of PA 6615 part of 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 2 parts of graphene, 1.5 parts of pumice powder and 4 parts of epoxy-terminated hyperbranched poly (amine-ester).
The particle size of the pumice powder is 900 meshes; the PA66 is marked AS30BK 9021.
The preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting for 8 hours at 85 ℃ under neon atmosphere, then evaporating to remove solvent and by-product, and drying at 90 ℃ in a vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate; the molar ratio of the 2, 6-diaminopurine nucleoside, the high-boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1:8:1: 1.1.
The high boiling point solvent is N, N-dimethylacetamide; the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
The preparation method of the graphene-containing synthetic fiber comprises the following steps: firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out a melt spinning molding process on the melt to prepare the synthetic fiber containing graphene; the melt spinning molding process parameters are as follows: the spinning temperature is 215 ℃, the spinning speed is 3100m/min, the drawing temperature is 75 ℃, and the total drawing ratio is 8.
A preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized by comprising the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric; the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening, tentering and setting, cloth inspecting and rolling.
Example 4
The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 68%; the transverse density of the knitted fabric is 73/10 cm; the longitudinal density is 40/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 77 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 0.7 part of 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 2.7 parts of graphene, 1.8 parts of pumice powder and 4.8 parts of epoxy-terminated hyperbranched poly (amine-ester).
The particle size of the pumice powder is 970 meshes; the PA66 is marked AS30BK 9021.
The preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting at 88 deg.C under argon atmosphere for 9.5 hr, rotary evaporating to remove solvent and by-product, and drying at 93 deg.C in vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate.
The molar ratio of the 2, 6-diaminopurine nucleoside, the high-boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1:9.5:1: 1.3; the high-boiling-point solvent is formed by mixing dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone according to a mass ratio of 1:2:3: 4; the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
The preparation method of the graphene-containing synthetic fiber comprises the following steps: firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out a melt spinning molding process on the melt to prepare the synthetic fiber containing graphene; the melt spinning molding process parameters are as follows: the spinning temperature is 225 ℃, the spinning speed is 3250m/min, the drawing temperature is 83 ℃, and the total drawing ratio is 9.
A preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized by comprising the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric; the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening, tentering and setting, cloth inspecting and rolling.
Example 5
The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 70%; the transverse density of the knitted fabric is 75/10 cm; the longitudinal density is 42/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 80 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 0.8 part of PA 6620 part of 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 3 parts of graphene, 2 parts of pumice powder and 5 parts of epoxy-terminated hyperbranched poly (amine-ester).
The particle size of the pumice powder is 1000 meshes; the PA66 is marked AS30BK 9021.
The preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting at 90 deg.C under inert gas atmosphere for 10 hr, rotary evaporating to remove solvent and by-product, and drying at 95 deg.C in vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate.
The molar ratio of the 2, 6-diaminopurine nucleoside, the high-boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and the catalyst is 1:10:1: 1.4; the high boiling point solvent is N-methyl pyrrolidone; the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline.
The preparation method of the graphene-containing synthetic fiber comprises the following steps: firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out a melt spinning molding process on the melt to prepare the synthetic fiber containing graphene; the melt spinning molding process parameters are as follows: the spinning temperature is 230 ℃, the spinning speed is 3300m/min, the drawing temperature is 85 ℃, and the total drawing ratio is 10.
A preparation method of a soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric is characterized by comprising the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric; the post-finishing comprises pretreatment, dyeing, soaping, dehydration, drying, softening, tentering and setting, cloth inspecting and rolling.
Comparative example 1
The formula and the preparation method of the blended knitted fabric containing the soybean protein fibers and the graphene synthetic fibers are the same as those in example 1, except that 1,3, 5-tris [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione is not added.
Comparative example 2
The formula and the preparation method of the soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric are the same as those in example 1, except that graphene is not added.
Comparative example 3
The formula and the preparation method of the blended knitted fabric of the soybean protein fiber and the graphene-containing synthetic fiber are the same as those in example 1, except that pumice powder is not added.
Comparative example 4
The formula and the preparation method of the blended knitted fabric of the soybean protein fiber and the graphene-containing synthetic fiber are the same as those in example 1, except that epoxy terminal hyperbranched poly (amine-ester) is not added.
In order to further illustrate the technical effects of the blended knitted fabric of the soybean protein fiber and the synthetic fiber containing graphene according to the embodiment of the invention, the blended knitted fabric of the soybean protein fiber and the synthetic fiber containing graphene in each example is subjected to related performance tests, the test methods refer to corresponding national standards, and the test results are shown in table 1.
TABLE 1
| Item | Air permeability | Pilling | Fastness to washing | Antibacterial rate of Escherichia coli | Candida albicans antibacterial rate |
| Unit of | mm/s | Stage | Stage | % | % |
| Example 1 | 570.2 | 4 | 4 | 99.2 | 99.0 |
| Example 2 | 574.1 | 4 | 4-5 | 99.5 | 99.3 |
| Example 3 | 576.4 | 5 | 4-5 | 99.7 | 99.6 |
| Example 4 | 578.0 | 5 | 5 | 99.8 | 99.9 |
| Example 5 | 579.5 | 5 | 5 | 99.9 | 100.0 |
| Comparative example 1 | 565.9 | 3 | 3-4 | 99.0 | 99.0 |
| Comparative example 2 | 568.4 | 4 | 4 | 98.3 | 98.1 |
| Comparative example 3 | 569.1 | 4 | 4 | 99.0 | 98.8 |
| Comparative example 4 | 556.3 | 3 | 3 | 98.9 | 98.6 |
As can be seen from table 1, the knitted fabrics blended by the soybean protein fiber and graphene-containing synthetic fiber in examples 1 to 5 have more excellent air permeability, better antibacterial property and better water washing resistance than the comparative examples, which is the result of the synergistic effect of the components.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention can be readily implemented by those of ordinary skill in the art in view of the foregoing description; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The blended knitted fabric is characterized in that the knitted fabric is formed by weaving blended yarns of soybean protein fibers and synthetic fibers containing graphene, wherein the mass percentage of the soybean protein fibers in the blended yarns is 60-70%; the transverse density of the knitted fabric is (68-75)/10 cm; the longitudinal density is (35-42)/10 cm; the graphene-containing synthetic fiber is prepared from the following components in parts by weight: 60-80 parts of 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate, 10-20 parts of PA 6610, 0.3-0.8 part of 1,3, 5-tri [3- (trimethoxysilyl) propyl ] -1,3, 5-triazine-2, 4,6(1H,3H,5H) -trione, 1-3 parts of graphene, 1-2 parts of pumice powder and 3-5 parts of epoxy hyperbranched terminal group poly (amine-ester).
2. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric as claimed in claim 1, wherein the particle size of the pumice powder is 800-1000 meshes; the PA66 is marked AS30BK 9021.
3. The soybean protein fiber graphene-containing synthetic fiber blended knitted fabric according to claim 1, wherein the preparation method of the 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate comprises the following steps: dissolving 2, 6-diaminopurine nucleoside in high boiling point solvent, adding dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid and catalyst, stirring and reacting at 80-90 deg.C under nitrogen or inert gas atmosphere for 6-10 hr, rotary evaporating to remove solvent and by-product, and drying at 85-95 deg.C in vacuum drying oven to constant weight to obtain 2, 6-diaminopurine nucleoside/dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid polycondensate.
4. The soybean protein fiber graphene-containing synthetic fiber blended knitted fabric according to claim 3, wherein the molar ratio of the 2, 6-diaminopurine nucleoside, the high boiling point solvent, the dihydro-2, 4, 6-trioxo-1, 3, 5-triazine-1, 3(2H,4H) dipropionic acid to the catalyst is 1 (6-10) to 1 (0.8-1.4).
5. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric according to claim 3, wherein the high boiling point solvent is at least one of dimethylsulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone.
6. The soybean protein fiber graphene-containing synthetic fiber blended knitted fabric according to claim 3, wherein the catalyst is 2-ethoxy-1-ethoxycarbonyl-1, 2-dihydroquinoline; the inert gas is any one of helium, neon and argon.
7. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric according to any one of claims 1 to 6, wherein the preparation method of the graphene-containing synthetic fiber comprises the following steps: the preparation method comprises the steps of firstly, uniformly mixing the components in parts by weight to form a mixed material, then adding the mixed material into a double-screw extruder for extrusion, and then carrying out melt spinning molding on the melt to obtain the synthetic fiber containing graphene.
8. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric according to claim 7, wherein the melt spinning molding process parameters are as follows: the spinning temperature is 200-230 ℃, the spinning speed is 2800-3300m/min, the drawing temperature is 65-85 ℃, and the total drawing ratio is 5-10.
9. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric according to claim 8, wherein the preparation method of the soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric comprises the following steps: the method comprises the following steps of (1) interweaving or plying and twisting soybean protein fibers and synthetic fibers containing graphene, and then weaving by using a circular knitting machine to obtain grey cloth; and then carrying out after-treatment on the grey cloth to obtain the soybean protein fiber graphene-containing synthetic fiber blended knitted fabric.
10. The soybean protein fiber and graphene-containing synthetic fiber blended knitted fabric according to claim 9, wherein the post-finishing comprises pretreatment, dyeing, soaping, dewatering, drying, softening, tentering and setting, cloth inspecting and rolling.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113756002A (en) * | 2021-09-02 | 2021-12-07 | 广东云裳科技有限公司 | Blended fabric containing graphene fibers and preparation method thereof |
| CN113882077A (en) * | 2021-09-26 | 2022-01-04 | 常熟市欣鑫经纬编有限公司 | Heat storage fiber fabric and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756002A (en) * | 2021-09-02 | 2021-12-07 | 广东云裳科技有限公司 | Blended fabric containing graphene fibers and preparation method thereof |
| CN113882077A (en) * | 2021-09-26 | 2022-01-04 | 常熟市欣鑫经纬编有限公司 | Heat storage fiber fabric and preparation method thereof |
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