CN111621926A - Graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric - Google Patents
Graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric Download PDFInfo
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- CN111621926A CN111621926A CN202010484410.3A CN202010484410A CN111621926A CN 111621926 A CN111621926 A CN 111621926A CN 202010484410 A CN202010484410 A CN 202010484410A CN 111621926 A CN111621926 A CN 111621926A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
Abstract
The invention belongs to the field of functional fiber materials, and discloses a graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric. The blended non-woven fabric is prepared by blending the following components in percentage by mass: 30-60% of graphene multifunctional acid-resistant oxidation polyamide fiber, 10-30% of cotton fiber, 5-10% of bamboo charcoal fiber, 10-30% of wool fiber and 5-20% of low melting point fiber. The invention adopts the blended composition of the artificially synthesized graphene multifunctional acid-resistant oxidation polyamide fiber, the cotton fiber, the bamboo charcoal fiber and the wool fiber, and can combine the wear resistance, the moisture absorption, the air permeability, the dyeing property, the elasticity and the elasticity recovery property of the polyamide fiber and the texture of animal and plant fibers. And can improve the anti-yellowing and anti-oxidation properties of the tea leaves and endow the tea leaves with health and health care functions.
Description
Technical Field
The invention belongs to the field of functional fiber materials, and particularly relates to a graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric.
Background
With the continuous development of science and technology, textile fibers meeting different requirements of people emerge endlessly so as to meet the requirements of consumers, and play an increasingly important role in daily life of people. Along with the continuous development of industry, the market of textile fiber cloth is also expanding continuously, but most fiber cloth do not have the beneficial efficiency to the human body, only have possessed the function of sheltering from, and the effect is comparatively single. With the continuous improvement of living standard, the demand of people on necessities in life is also continuously improved, and the fiber used alone cannot meet the use demand of people at present after being made into cloth. Therefore, it is the research direction of those skilled in the art to add health care function to fiber materials and to prepare nonwoven fabric materials with better performance by blending synthetic fibers and animal and plant fibers.
Chinlon is a trade name of polyamide fiber, commonly called Nylon (Nylon), and is one of the main raw materials for preparing non-woven fabrics. The nylon fiber has good wear resistance, moisture absorption, air permeability, dyeing property, elasticity and elastic recovery. However, polyamide fiber has poor acid resistance and oxidation resistance due to the fact that the main chain of polyamide fiber contains repeated amide groups. And the hand feeling of the non-woven fabric prepared from the nylon fiber can not be compared with that of natural animal and plant fibers. Although animal and plant fibers have good hand feeling, the non-woven fabric prepared from the animal and plant fibers has poor cohesiveness and poor acid resistance and oxidation resistance, so that how to combine the advantages of the polyamide fibers and the natural animal and plant fibers by a proper method and improve the acid resistance and oxidation resistance of a blended product is a technical problem to be solved by the technical personnel in the field.
In addition, with the improvement of living standard, people have higher and higher requirements on fiber materials, and besides the original functions, a series of functional fibers with health care effects are further developed. Patent 201510021118.7 discloses a negative ion healthy nylon fiber, which is composed of 0.2-1.2 wt% of negative ion additive and 98.8-99.8 wt% of nylon, wherein the negative ion additive contains terbium oxide, 3-aminopropyl trimethoxy silane and tourmaline. After the negative ion additive is added into the nylon fiber, the negative ion solubility is obviously increased. Patent 201510712775.6 discloses an antibacterial nylon and its preparation method, which combines silver ions with attapulgite to reduce the size of the prepared attapulgite composite powder, thereby achieving better dispersion effect in plastics and achieving good antibacterial effect with very small addition amount. Meanwhile, the rigidity of the plastic can be further improved by the nanoscale dispersion of the attapulgite. This use of AgNO3The novel antibacterial agent (namely, the attapulgite-nano silver composite inorganic powder) prepared by compounding the antibacterial agent with the attapulgite has higher antibacterial efficiency, greatly reduces the processing cost of the antibacterial plastic, and improves the rigidity of the material. Patent 201811567761.X discloses a nylon fiber capable of autonomously generating far infrared rays and a preparation method thereof, wherein the nylon fiber capable of autonomously generating far infrared rays is prepared by adding 0.6-5% of far infrared nano powder into a nylon fiber slice, and the problem of single performance of the nylon fiber in the prior art is solved, so that a health-care effect is added to the nylon fiber. Patent 201910632296.1 discloses a far infrared negative ion nylon elastic yarn and its preparation method, which is made to have far infrared negative ion function by adding mineral powder for generating far infrared rays and negative ions. The prior art shows that the functional fiber with the health care effect is prepared by mixing various functional particles through a physical blending technology on the basis of the existing nylon fiber so as to achieve the corresponding health care effect. But the simple physical blending has the defects of poor compatibility and corresponding poor efficacy durability.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention aims to provide the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric.
The invention also aims to provide a preparation method of the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric.
The purpose of the invention is realized by the following technical scheme:
a graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is prepared by blending the following components in percentage by mass:
the graphene multifunctional acid-resistant oxidized polyamide fiber comprises the following components in parts by weight: 85-99 parts of chinlon, 0.4-4 parts of carboxylated graphene, 0.5-10 parts of functional nanoparticles and 0.1-1 part of silane coupling agent containing carboxyl.
Further, the functional nanoparticles comprise at least one of nano negative ion powder, nano far infrared powder, nano antibacterial and anti-mite powder, nano magnetic powder, inorganic nano formaldehyde removing powder, inorganic nano peculiar smell removing powder and inorganic nano anti-radiation and anti-ultraviolet powder.
Further, the nano negative ion powder comprises at least one of tourmaline negative ion powder, natural opal mineral powder and titanium dioxide nano particles; the nano far infrared powder comprises at least one of vermiculite raw ore powder, medical stone raw ore powder, far infrared ceramic powder, zirconia nano powder, taiji stone powder, nano silicon dioxide, nano aluminum oxide, nano manganese oxide and nano calcium oxide; the nano antibacterial anti-mite powder comprises at least one of lanthanum oxide nano powder, zinc oxide nano powder, titanium dioxide nano powder, zeolite nano powder, silicon dioxide nano powder, aluminum oxide nano powder, copper oxide nano powder, magnesium oxide nano powder and silver iodide nano powder; the nano magnetic powder comprises magnetite nano powder; the inorganic nano formaldehyde-removing powder comprises at least one of nano mineral crystal and nano titanium dioxide; the inorganic nano peculiar smell removing powder comprises at least one of nano zinc oxide, nano titanium dioxide and nano kieselguhr; the inorganic nano anti-radiation ultraviolet-proof powder comprises at least one of nano titanium dioxide, nano zinc oxide and nano silicon dioxide.
Further, the fiber lengths of the graphene multifunctional acid-resistant oxidized polyamide fiber and the low-melting-point fiber are 32-71 mm; the titer of the graphene multifunctional acid-resistant oxidized polyamide fiber is 0.5D-1.5D, and the titer of the low-melting-point fiber is 2D-4D.
Further, the low melting point fiber means 4080 low melting point fiber.
Further, the particle size range of the carboxylated graphene and the functional nanoparticles is 50-600 nm.
Further, the silane coupling agent containing a carboxyl group is 3- [ 3-carboxyallylamido ] propyltriethoxysilane.
The preparation method of the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric comprises the following preparation steps:
(1) preparing the graphene multifunctional acid-resistant oxidized polyamide fiber:
uniformly mixing functional nanoparticles and a silane coupling agent containing carboxyl, adding carboxylated graphene and chinlon slices, and mixing and extruding through an extruder to obtain a graphene multifunctional acid-resistant oxidized chinlon master batch; fully mixing the obtained graphene multifunctional acid-resistant oxidized polyamide masterbatch with polyamide chips in proportion, carrying out melt spinning, and extruding a melt by using a spinning machine to obtain the graphene multifunctional acid-resistant oxidized polyamide fiber;
(2) preparing the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric:
respectively carrying out automatic unpacking and weighing on the graphene multifunctional acid-resistant oxidation-resistant polyamide fiber, the cotton fiber, the bamboo charcoal fiber, the wool fiber and the low-melting-point fiber, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; and sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric.
Further, the functional nanoparticles and the silane coupling agent containing carboxyl in the step (1) are uniformly mixed under the air atmosphere condition with humidity of 50-90%.
Further, common functional components such as a flame retardant, a stabilizer, an antioxidant and the like are added in the preparation process of the graphene multifunctional acid-resistant oxidized polyamide master batch in the step (1).
The preparation method and the obtained product have the following advantages and beneficial effects:
(1) the invention adopts the blended composition of the artificially synthesized graphene multifunctional acid-resistant oxidized polyamide fiber, the plant fiber cotton fiber, the bamboo charcoal fiber and the animal fiber wool fiber, and can combine the wear resistance, the moisture absorption, the air permeability, the dyeing property, the elasticity and the elasticity recovery property of the polyamide fiber and the texture of the animal and plant fibers.
(2) The method comprises the steps of automatically unpacking and weighing graphene multifunctional acid-resistant oxidation polyamide fibers, cotton fibers, bamboo charcoal fibers, wool fibers and low-melting-point fibers, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then the fiber material after the primary opening is sent to a wind power mixer for secondary air mixing and opening, so that the artificial fiber and the natural animal and plant fiber can be well mixed; then under the action of low-melting-point fiber, the fiber web is formed by physical rolling and pre-bonding and is shaped by a thermal bonding machine, so that the artificial fiber and the natural animal and plant fiber can be well combined, and the obtained non-woven fabric has high strength and good quality.
(3) According to the invention, the functional nanoparticles modified by carboxylated graphene and a carboxyl-containing silane coupling agent are adopted, so that the physical dispersion of inorganic functional nanoparticles in organic nylon fibers can be improved; secondly, carboxyl groups on the graphene and the silane coupling agent can react with amino groups in the polyamide fiber to generate a chemical grafting effect, so that the dispersion stability of the graphene and the functional nanoparticles is further improved; thirdly, the chemical grafting reaction of the functional nanoparticles modified by the carboxylated graphene and the carboxyl silane coupling agent and the polyamide fiber can inhibit the spandex fiber from being easily oxidized and yellowed, and the yellowing resistance and the oxidation resistance of the spandex fiber are remarkably improved.
(4) The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric disclosed by the invention can realize health and health care functions of negative ions, far infrared, antibiosis, anti-mite, magnetism, formaldehyde removal, peculiar smell removal, radiation resistance, ultraviolet resistance and the like, and helps the transformation and upgrading of traditional textile product enterprises.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is prepared by the following method:
(1) preparing graphene far-infrared acid-resistant oxidized polyamide fiber:
28 parts by weight of far infrared ceramic powder (which is ground to a particle size of 50-600 nm by high-energy ball milling before use) and 2 parts by weight of silane coupling agent 3- [ 3-carboxyl allyl amido ] propyl triethoxysilane are uniformly mixed in a high-speed mixer under an air atmosphere with humidity of 50% -90%, then 4 parts by weight of carboxylated graphene (which is commercially available and is ground to a particle size of 50-600 nm by high-energy ball milling before use), 65 parts by weight of polyamide fiber slices and 1 part by weight of heat stabilizer pentaerythritol stearate are fully stirred and uniformly dispersed, and the mixture is extruded by a double-screw extruder to obtain the graphene far infrared acid-resistant oxidation modified master batch. And mixing 20 parts by weight of the obtained graphene far-infrared acid-resistant oxidation modified master batch with 80 parts by weight of polyamide fiber slices, performing melt spinning, extruding a melt by using a spinning machine, and discharging the melt through spinnerets with different apertures to obtain the graphene far-infrared acid-resistant oxidation polyamide fiber.
(2) Preparing the graphene far infrared acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric:
respectively opening and weighing 50% of graphene far infrared acid-resistant oxidized polyamide fiber (short fiber and medium and long fiber 32 MM-51 MM, fineness of 1.0D), 15% of cotton fiber, 10% of bamboo charcoal fiber, 15% of wool fiber and 10% of 4080 low-melting-point fiber (110 ℃, 4D multiplied by 51MM) by mass, and then sending the fiber to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene far infrared acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric.
Example 2
The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is prepared by the following method:
(1) preparing the graphene negative ion acid-resistant oxidized polyamide fiber:
the preparation method comprises the steps of mixing 18 parts of tourmaline negative ion powder (which is ground to have a particle size of 50-600 nm by high-energy ball milling before use) and 2 parts of silane coupling agent 3- [ 3-carboxyl allyl amido ] propyl triethoxysilane uniformly in a high-speed mixer under an air atmosphere with humidity of 50-90%, adding 4 parts by weight of carboxylated graphene (which is purchased commercially and ground to have a particle size of 50-600 nm by high-energy ball milling before use), 75 parts of polyamide fiber slices and 1 part of heat stabilizer pentaerythritol stearate, fully stirring and uniformly dispersing, and extruding the mixture by a double-screw extruder to obtain the graphene negative ion acid oxidation resistant modified master batch. And mixing 30 parts by weight of the obtained negative ion acid-resistant oxidation modified master batch with 70 parts by weight of polyamide fiber slices, performing melt spinning, extruding a melt by using a spinning machine, and discharging yarns through spinneret plates with different apertures to obtain the graphene negative ion acid-resistant oxidation polyamide fiber.
(2) Preparing the graphene negative ion acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric:
respectively carrying out automatic unpacking and weighing on 40% of graphene negative ion acid-resistant oxidized polyamide fiber (short fiber is 32-38 MM, fineness is 0.5D), 20% of cotton fiber, 5% of bamboo charcoal fiber, 20% of wool fiber and 15% of 4080 low-melting-point fiber (110 ℃, 4D multiplied by 51MM) according to mass fraction, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene negative ion acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric.
Example 3
The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is prepared by the following method:
(1) preparing the graphene antibacterial acid-resistant oxidized polyamide fiber:
mixing 10 parts of antibacterial nano zinc oxide and nano titanium dioxide powder (the particle size is 50-600 nm after high-energy ball milling before use) with 1 part of silane coupling agent 3- [ 3-carboxyl allyl amido ] propyl triethoxysilane uniformly in a high-speed mixer in an air atmosphere with the humidity of 50% -90%, then adding 6 parts by weight of carboxylated graphene (which is commercially available and is 50-600 nm after high-energy ball milling before use), 82 parts of nylon fiber slices and 1 part of heat stabilizer pentaerythritol stearate, fully stirring and uniformly dispersing, and extruding the mixture by a double-screw extruder to obtain the graphene antibacterial acid-resistant oxidation modified master batch. And mixing 40 parts by weight of the obtained graphene antibacterial acid-resistant oxidation modified master batch with 60 parts by weight of polyamide fiber slices, carrying out melt spinning, extruding a melt by using a spinning machine, and discharging yarns through spinneret plates with different apertures to obtain the graphene antibacterial acid-resistant oxidation polyamide fiber.
(2) Preparing a graphene antibacterial acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric:
respectively carrying out automatic unpacking and weighing on 30% of graphene antibacterial acid-resistant oxidized polyamide fiber (short fiber is 32-38 MM, fineness is 0.5D), 20% of cotton fiber, 10% of bamboo charcoal fiber, 20% of wool fiber and 20% of 4080 low-melting-point fiber (110 ℃, 4D multiplied by 51MM) according to mass fraction, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene antibacterial acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric.
Example 4
The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is prepared by the following method:
(1) preparing the graphene far-infrared antibacterial acid-resistant oxidized polyamide fiber:
the preparation method comprises the steps of mixing 15 parts of far infrared ceramic powder, 10 parts of nano zinc oxide and nano copper oxide powder (the particle size is 50-600 nm after high-energy ball milling before use) and 4 parts of silane coupling agent 3- [ 3-carboxyl allyl amido ] propyl triethoxysilane uniformly in a high-speed mixer in an air atmosphere with the humidity of 50% -90%, adding 10 parts by weight of carboxylated graphene (purchased commercially, the particle size is 50-600 nm after high-energy ball milling before use), 60 parts of polyamide fiber slices and 1 part of heat stabilizer pentaerythritol stearate, fully stirring and uniformly dispersing, and extruding the mixture by a double-screw extruder to obtain the graphene far infrared antibacterial acid-resistant oxidation modified master batch. And mixing 25 parts by weight of the obtained graphene far-infrared antibacterial acid-resistant oxidation modified master batch with 75 parts by weight of nylon fiber slices, performing melt spinning, extruding a melt by using a spinning machine, and discharging yarns through spinnerets with different apertures to obtain the graphene far-infrared antibacterial acid-resistant oxidation nylon fiber.
(2) Preparing the graphene far infrared antibacterial acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric:
respectively carrying out automatic unpacking and weighing on 60% of graphene far infrared antibacterial acid-resistant oxidized polyamide fiber (short fiber and medium and long fiber are 32-51 MM, and the titer is 1.0D), 10% of cotton fiber, 10% of bamboo charcoal fiber, 10% of wool fiber and 10% of 4080 low-melting-point fiber (110 ℃, 4D × 51MM) according to mass fraction, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene far infrared antibacterial acid-resistant oxidized polyamide fiber and animal and plant fiber blended non-woven fabric.
Comparative example 1
Compared with the embodiment 1, 3- [ 3-carboxyl allylamido ] propyl triethoxysilane and carboxylated graphene are not added in silane coupling agent, and the rest is the same.
Comparative example 2
Compared with the embodiment 1, the method adopts methacryloxypropyltriethoxysilane instead of 3- [ 3-carboxyl allylamido ] propyltriethoxysilane and adopts common graphene instead of carboxylated graphene, and the rest is the same.
The blended non-woven fabrics obtained in the above examples and comparative examples were subjected to a yellow color fastness test:
the obtained blended non-woven fabric is cut into a rectangular fabric with a specified size and placed in a special test box, the head and the tail parts of the fabric are covered by a shading sheet, the exposed fabric is irradiated for a specified time (the irradiation distance is 250mm) by adopting a 300W ultraviolet lamp tube at the temperature of 50 ℃, the color change condition of the irradiated part of the sample is observed, and the color change degree of the sample is evaluated according to a GB 250 gray sample card, so that the light yellowing resistance of the textile is judged. The test result shows that compared with the blended non-woven fabric (comparative example 1) obtained without adding the carboxyl silane coupling agent and the carboxylated graphene, the light irradiation time of the blended non-woven fabric (example 1) is increased by 109% under the same yellowing degree. Compared with the blended non-woven fabric (comparative example 2) obtained by adding methacryloxypropyltriethoxysilane and common unmodified graphene, the illumination time is increased by 84%. The results show that the acid oxidation resistance of the polyamide fiber can be obviously improved by adopting the silane coupling agent containing carboxyl and the carboxylated graphene, so that the acid oxidation resistance of the obtained blended non-woven fabric is improved.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (10)
1. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric is characterized by being prepared by blending the following components in percentage by mass:
the graphene multifunctional acid-resistant oxidized polyamide fiber comprises the following components in parts by weight: 85-99 parts of chinlon, 0.4-4 parts of carboxylated graphene, 0.5-10 parts of functional nanoparticles and 0.1-1 part of silane coupling agent containing carboxyl.
2. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 1, which is characterized in that: the functional nano particles comprise at least one of nano anion powder, nano far infrared powder, nano antibacterial and anti-mite powder, nano magnetic powder, inorganic nano formaldehyde removing powder, inorganic nano peculiar smell removing powder and inorganic nano anti-radiation and anti-ultraviolet powder.
3. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 2, which is characterized in that: the nano negative ion powder comprises at least one of tourmaline negative ion powder, natural opal mineral powder and titanium dioxide nano particles; the nano far infrared powder comprises at least one of vermiculite raw ore powder, medical stone raw ore powder, far infrared ceramic powder, zirconia nano powder, taiji stone powder, nano silicon dioxide, nano aluminum oxide, nano manganese oxide and nano calcium oxide; the nano antibacterial anti-mite powder comprises at least one of lanthanum oxide nano powder, zinc oxide nano powder, titanium dioxide nano powder, zeolite nano powder, silicon dioxide nano powder, aluminum oxide nano powder, copper oxide nano powder, magnesium oxide nano powder and silver iodide nano powder; the nano magnetic powder comprises magnetite nano powder; the inorganic nano formaldehyde-removing powder comprises at least one of nano mineral crystal and nano titanium dioxide; the inorganic nano peculiar smell removing powder comprises at least one of nano zinc oxide, nano titanium dioxide and nano kieselguhr; the inorganic nano anti-radiation ultraviolet-proof powder comprises at least one of nano titanium dioxide, nano zinc oxide and nano silicon dioxide.
4. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 1, which is characterized in that: the fiber lengths of the graphene multifunctional acid-resistant oxidized polyamide fiber and the low-melting-point fiber are 32-71 mm; the titer of the graphene multifunctional acid-resistant oxidized polyamide fiber is 0.5D-1.5D, and the titer of the low-melting-point fiber is 2D-4D.
5. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 1, which is characterized in that: the low melting point fiber is 4080 low melting point fiber.
6. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 1, which is characterized in that: the particle size range of the carboxylated graphene and the functional nanoparticles is 50-600 nm.
7. The graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 1, which is characterized in that: the silane coupling agent containing carboxyl is 3- [ 3-carboxyl allylamido ] propyl triethoxysilane.
8. The preparation method of the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to any one of claims 1 to 7, which is characterized by comprising the following preparation steps:
(1) preparing the graphene multifunctional acid-resistant oxidized polyamide fiber:
uniformly mixing functional nanoparticles and a silane coupling agent containing carboxyl, adding carboxylated graphene and chinlon slices, and mixing and extruding through an extruder to obtain a graphene multifunctional acid-resistant oxidized chinlon master batch; fully mixing the obtained graphene multifunctional acid-resistant oxidized polyamide masterbatch with polyamide chips in proportion, carrying out melt spinning, and extruding a melt by using a spinning machine to obtain the graphene multifunctional acid-resistant oxidized polyamide fiber;
(2) preparing the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric:
respectively carrying out automatic unpacking and weighing on the graphene multifunctional acid-resistant oxidation-resistant polyamide fiber, the cotton fiber, the bamboo charcoal fiber, the wool fiber and the low-melting-point fiber, and then sending the obtained product to a frequency conversion card clothing opener for opening for one time; then sending the fiber material subjected to primary opening to a wind power mixer for secondary air mixing and opening to obtain a mixed fiber material; and sending the mixed fiber material to a carding machine for carding into a web, collecting, physically rolling and pre-bonding the web into a fiber web, and sending the fiber web to a thermal bonding machine for shaping to obtain the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric.
9. The preparation method of the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 8, characterized by comprising the following steps: the functional nano particles and the silane coupling agent containing carboxyl in the step (1) are uniformly mixed under the air atmosphere condition with the humidity of 50-90%.
10. The preparation method of the graphene multifunctional synthetic fiber and animal and plant fiber blended non-woven fabric according to claim 8, characterized by comprising the following steps: and (2) adding a flame retardant, a stabilizer or an antioxidant functional component in the preparation process of the graphene multifunctional acid-resistant oxidized polyamide master batch in the step (1).
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