CN111005161A - Graphene multifunctional superfine fiber multi-layer non-woven fabric and preparation method thereof - Google Patents
Graphene multifunctional superfine fiber multi-layer non-woven fabric and preparation method thereof Download PDFInfo
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- CN111005161A CN111005161A CN201911350593.3A CN201911350593A CN111005161A CN 111005161 A CN111005161 A CN 111005161A CN 201911350593 A CN201911350593 A CN 201911350593A CN 111005161 A CN111005161 A CN 111005161A
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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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
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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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
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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
- D04H1/542—Adhesive fibres
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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
- D04H1/559—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 the fibres being within layered webs
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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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
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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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
Abstract
The invention belongs to the technical field of functional non-woven fabric processing, and discloses a graphene multifunctional superfine fiber multi-layer non-woven fabric and a preparation method thereof. Opening the multifunctional graphene superfine fibers and the low-melting-point fibers by a variable-frequency card clothing opener, then sending the fibers to a wind power mixer for secondary wind mixing and opening, then sending the fibers to different cotton boxes, and sending the fibers to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is the low-melting-point fibers and the upper layer and the lower layer are the multifunctional graphene superfine fibers, so that the fibers uniformly fall onto a collecting row; and physically rolling and pre-bonding the collected fibers to form a fiber web, and then sending the fiber web to a thermal bonding machine for shaping to obtain the graphene multifunctional superfine fiber multi-layer non-woven fabric. The invention adopts simple methods of wind mixing opening, zero wind pressure cotton net collection, physical rolling and heat setting to obtain the multilayer non-woven fabric with a three-dimensional net structure. The obtained multilayer non-woven fabric has the characteristics of lightness, softness, warmness and sticking.
Description
Technical Field
The invention belongs to the technical field of functional non-woven fabric processing, and particularly relates to a graphene multifunctional superfine fiber multi-layer non-woven fabric and a preparation method thereof.
Background
The thermal insulating flocculus or the multi-layer non-woven fabric is an important auxiliary material for manufacturing daily textiles such as clothes, home textiles and the like, and can play a good thermal insulating effect. The traditional thermal insulating padding usually adopts natural filling materials such as cotton, wool, down and the like, wherein the thermal insulating property of the down is the best, the wool is the second, and the cotton is the worst. The thermal insulating flocculus made of cotton or wool is easy to absorb moisture and poor in rebound resilience, and the thermal insulating property is greatly reduced after the thermal insulating flocculus is used for a period of time, so that the thermal insulating flocculus is gradually eliminated. The thermal insulating padding made of the down feather has light weight, good rebound resilience and good thermal insulating effect, and is widely applied to down jackets, but the down feather also has the defects of high price, easy penetration of the down feather, easy mildew, difficult cleaning and the like. With the rapid development of the fiber industry, new flocculus using chemical fibers such as terylene, acrylon and the like as filling materials is successfully developed in succession, and gradually replaces the traditional flocculus using cotton batting, wool, down and the like as heat-insulating filling materials.
Along with the improvement and improvement of the life quality of people, the requirements on daily textiles are higher and higher. The novel thermal insulating flocculus also puts forward new requirements on the traditional thermal insulating flocculus, and whether the thermal insulating flocculus is light, thin, soft, close-fitting, environment-friendly and safe and has certain health care function also becomes a standard for people to measure the quality of the thermal insulating flocculus. Therefore, new functional textiles are increasingly being favored.
Patent 201810826922.6 discloses a multiple fiber mixed thermal insulating flocculus and a preparation method and application thereof. 60-90% of viscose fiber, 0-30% of fine denier polyester fiber and 10-40% of three-dimensional curled polyester fiber are mixed, fiber raw materials are subjected to twice opening and mixing by an opening machine, then the fiber raw materials are fed into a carding machine for carding, a fiber net is subjected to the action of disordered sticks, the fibers are rearranged, the fibers are crossed in a criss-cross 12-direction mode, and then the fibers are guided into a pre-needling machine and a lower needling machine for bottom needling. The obtained multi-fiber mixed thermal flocculus has higher physiological comfort; meanwhile, on the basis of lower thickness, the bulkiness, air permeability and heat retention are enhanced by increasing the content of the three-dimensional crimped polyester fibers and the content of the fine denier polyester fibers.
Patent 201510664835.1 discloses a new rabbit hair insulating wadding sheet. By researching the proportion of the rabbit hair and the acrylic fiber and the relation between the needling or hot air fixing process and the performances of the flocculus such as thickness, surface density, heat preservation performance, compression performance, air permeability, tensile fracture and the like, the optimal effects of light weight and high heat preservation are achieved through the optimization of the fiber proportion and the fixing technology.
Patent 201810022408.7 discloses a breathable and moisture-permeable biodegradable thermal insulating wadding and a preparation method thereof. The Viloft fiber is used as a main wadding body, the three-dimensional curled hollow fiber and the far infrared fiber are used as frameworks, and the ES fiber is used as a thermal adhesive and is manufactured by hot melting and bonding. The method adopts novel fibers with various types and functions, so that the flocculus integrates the good moisture absorption and release property and degradability of the viloft fiber, the crimpability of the three-dimensional crimped hollow fiber and the health-care function of the far infrared fiber.
Patent 201910140874.X discloses a phase change thermal insulating flocculus and a preparation method thereof. The phase-change thermal insulation flocculus comprises a moisture-conducting fiber net layer, a heat-storing fiber net layer and a heat-insulating fiber net layer which are sequentially arranged and mutually connected in a non-woven needling mode, wherein the moisture-conducting fiber net layer is a fiber net layer made of common fibers, special-shaped hollow superfine fibers and crimped fibers, the heat-storing fiber net layer is a fiber net layer made of phase-change cellulose fibers, and the heat-insulating fiber net layer is a fiber net layer made of aerogel polyimide fibers.
Patent 201611041069.4 discloses a high-gram-weight flame-retardant non-glue cotton non-woven fabric and a preparation method thereof. The flame-retardant fiber is prepared from 70-75 wt% of flame-retardant adhesive and 25-30 wt% of 4080 low-melting-point fiber. The flame-retardant viscose is adopted, the content of the flame-retardant viscose reaches 75 percent, and the flame-retardant viscose has good flame retardance compared with the conventional cotton fiber; compared with the glue-spraying cotton, the low-melting point polyester 4080 is used as the adhesive, so that the product is environment-friendly, and the harm to human bodies is avoided; the preparation method is simple, wherein double carding machines are adopted, the fibers are uniformly mixed, and the gram weight of the fiber web output by the carding machines is large; the lapping adopts a plurality of layers of lapping with a net curtain, and the gram weight of the lapping reaches 170 g; the prepared non-woven fabric is thicker, and is fluffy, warm-keeping and good in flame retardance.
Patent 200910037005.0 discloses a thermal insulating batt and a method of making the same. Is prepared from fine denier fiber and/or superfine denier fiber 10-64 wt%, hollow fiber 31-80 wt% and adhesive fiber 5-30 wt%. The warm keeping flocculus is prepared by the following method: opening and mixing various fiber raw materials; then carding and lapping are carried out to form a fiber web; then, performing disorder drafting on the fiber web to enable the fiber web to form a three-dimensional net-shaped cross structure; the web is then heat baked to melt at least the surface layers of the binder fibers and to bind the fibers around them. The use of the fine denier fiber greatly improves the content of static air in the thermal insulating flocculus, reduces heat conduction, can cut the space in the thermal insulating flocculus into smaller space, and prevents or reduces air convection, thereby improving the thermal insulating property of the thermal insulating flocculus; the hollow fiber can improve the filling power and compression resilience of the thermal insulating flocculus; through disorder drafting, the filling power and the compression resilience of the thermal insulating flocculus are higher.
It can be seen from the above prior art that the optimization of the performance of the thermal insulating flocculus or the multi-layer non-woven fabric is mainly based on the selection of the fiber types and the specific preparation method. Although the technology realizes better performance, the technology has the defects of single function, high material requirement (such as the adoption of special-shaped hollow superfine fibers, three-dimensional curled hollow fibers and the like) and complex preparation method (such as the adoption of disordered stick action or the drafting action of a fiber web drafting machine to enable a fiber web to form a three-dimensional net-shaped structure).
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention mainly aims to provide a preparation method of a graphene multifunctional superfine fiber multilayer non-woven fabric.
The invention also aims to provide the graphene multifunctional superfine fiber multilayer non-woven fabric prepared by the method.
The purpose of the invention is realized by the following technical scheme:
a preparation method of a graphene multifunctional superfine fiber multilayer non-woven fabric comprises the following preparation steps:
(1) respectively carrying out automatic unpacking and weighing on the multifunctional graphene superfine fibers and the low-melting-point fibers, and then sending the multifunctional graphene superfine fibers and the low-melting-point fibers to a frequency conversion card clothing opener for opening;
(2) respectively conveying the graphene multifunctional superfine fibers and the low-melting-point fibers treated in the step (1) into a wind power mixer for secondary air mixing and opening, and then respectively conveying the fibers into different cotton boxes through air pipes;
(3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene multifunctional superfine fibers, and enabling the fibers to uniformly fall onto a collecting row;
(4) and (4) physically rolling and pre-bonding the fibers collected in the step (3) to form a fiber web, and then conveying the fiber web to a thermal bonding machine for shaping to obtain the graphene multifunctional superfine fiber multi-layer non-woven fabric.
Further, the graphene multifunctional superfine fiber is a fiber added with graphene and having at least one function of negative ions, far infrared, antibiosis, anti-mite, magnetism, formaldehyde removal, peculiar smell removal, radiation resistance and ultraviolet resistance; or a mixture of multiple graphene multifunctional superfine fibers.
Further, the fiber length of the multifunctional graphene superfine fiber and the low-melting-point fiber is 32-71 mm.
Further, the low melting point fiber means 4080 low melting point fiber.
Furthermore, the titer of the graphene multifunctional superfine fiber is 0.5D-1.5D, and the titer of the low-melting-point fiber is 2D-4D.
Further, the mass ratio of the graphene multifunctional superfine fiber to the low-melting-point fiber is as follows: 70-95% of graphene multifunctional superfine fiber and 30-5% of low melting point fiber.
Further, an automatic fluorescence detection device is arranged in the process that the graphene multifunctional superfine fibers and the low-melting-point fibers in the step (2) are respectively conveyed into the wind power mixer, and once a fluorescence signal is found, the whole line of photoelectric linkage is stopped, so that all the fibers are ensured not to contain a fluorescent whitening agent.
Further, the cotton box in the step (2) controls the feeding amount of each time in a photoelectric height and volume weight fixing mode, and ensures that the feeding error of each time is controlled within plus or minus 1% of the weight.
And (3) further cooling the graphene multifunctional superfine fiber multi-layer non-woven fabric shaped in the step (4) in a secondary cooling device, setting the length and the number of codes of each roll, automatically winding, cutting, packaging and warehousing.
A graphene multifunctional superfine fiber multilayer non-woven fabric is prepared by the method.
Further, the gram weight of the graphene multifunctional superfine fiber multi-layer non-woven fabric is 5-8 g/m2。
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention adopts short fibers and medium-length fibers with the length of 32 mm-71 mm, uniformly drops the fibers on a collecting row through secondary air mixing opening and a zero air pressure cotton web collecting device, and then is pre-bonded into a fiber web through physical rolling, so that the fibers can be physically pre-bonded into a three-dimensional net structure, a messy stick or the drafting effect of a fiber web drafting machine is not needed, and the preparation method is simple.
(2) According to the non-woven fabric, the arrangement mode that the middle layer is the low-melting-point fiber and the upper layer and the lower layer are the graphene multifunctional fiber is adopted, and the low-melting-point fiber can well bond the graphene multifunctional fiber of the upper layer and the lower layer in the shaping process of the thermal bonding machine.
(3) The non-woven fabric prepared by the method has an ultrathin cobweb-shaped multi-layer structure, the air passing path length is more than three times that of the traditional non-woven fabric, the softness is more than three times that of the traditional non-woven fabric, the fit degree reaches more than 75%, the deformation coefficient is small, the rebound resilience is high, the heat preservation performance is excellent, and the non-woven fabric has the characteristics of light weight, flexibility, warmness and sticking.
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 far infrared superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 70 percent of graphene far infrared superfine fiber (short fiber 32 MM-38 MM, fineness 0.5D) and 30 percent of 4080 low-melting-point fiber (110 ℃, 4D multiplied by 51MM) are respectively sent to a frequency conversion card clothing opener for opening after being automatically unpacked and weighed.
(2) And (2) respectively conveying the graphene far infrared superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixer through an automatic conveying row for secondary air mixing and opening, setting an automatic fluorescence detection device in the conveying process, and stopping the machine once the full-line photoelectric linkage of fluorescence signals is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene far infrared superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight obtained is 5g/m2Graphene (D) isInfrared superfine fiber multilayer non-woven fabric.
The graphene far infrared superfine fiber used in the embodiment is obtained by mixing nylon fiber master batch added with graphene and far infrared ceramic powder and nylon fiber slices, and then carrying out melt blending spinning.
Example 2
The graphene negative ion superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 80% of graphene negative ion superfine fibers (short fibers and medium and long fibers 32 MM-51 MM, the fineness is 1.0D) and 20% of 4080 low-melting-point fibers (110 ℃, 4D × 51MM) are automatically unpacked and weighed, and then sent to a frequency conversion card clothing opener to be opened.
(2) And (2) respectively conveying the graphene negative ion superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixer through an automatic conveying row for secondary air mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene negative ion superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight of the obtained product is 6g/m2The graphene negative ion superfine fiber multilayer non-woven fabric.
The graphene anion superfine fiber used in the embodiment is obtained by mixing polyamide fiber master batches added with graphene and tourmaline anion powder with polyamide fiber slices and then carrying out melt blending spinning.
Example 3
The graphene antibacterial superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 90 percent of graphene antibacterial superfine fibers (short fibers and medium and long fibers 32 MM-51 MM, the fineness is 1.0D) and 10 percent of 4080 low-melting-point fibers (110 ℃, 4D × 51MM) are automatically unpacked and weighed and then sent to a frequency conversion card clothing opener to be opened.
(2) And (2) respectively conveying the graphene antibacterial superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixer through an automatic conveying row for secondary air mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene antibacterial superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight of 7g/m is obtained2The graphene antibacterial superfine fiber multi-layer non-woven fabric.
The graphene antibacterial superfine fiber used in the embodiment is obtained by mixing the polyester fiber master batch added with the graphene, the antibacterial nano zinc oxide and the nano titanium dioxide powder with the polyester fiber slice, and then carrying out melt blending spinning.
Example 4
The multilayer graphene formaldehyde-removing superfine fiber non-woven fabric is prepared by the following method:
(1) and (3) automatically unpacking and weighing 95% of graphene formaldehyde-removed superfine fibers (medium and long fibers are 52-71 MM, the fineness is 1.5D) and 5% of 4080 low-melting-point fibers (110 ℃, 4D multiplied by 51MM), and then sending the fibers to a frequency conversion card clothing opener for opening.
(2) And (2) respectively conveying the formaldehyde-removing superfine graphene fibers and 4080 low-melting-point fibers processed in the step (1) to a wind power mixer through an automatic conveying row for secondary air mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene formaldehyde-removing superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight of the obtained product is 8g/m2The graphene formaldehyde-removing superfine fiber multi-layer non-woven fabric.
The graphene formaldehyde-removing superfine fiber used in the embodiment is obtained by mixing the polyester fiber master batch added with the graphene and the nano-mineral crystal formaldehyde-removing powder with the polyester fiber slice, and then carrying out melt blending spinning.
Example 5
The graphene far infrared antibacterial superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 75% of graphene far infrared antibacterial superfine fiber (short fiber 32-38 MM, fineness of 0.5D) and 25% of 4080 low-melting-point fiber (110 ℃, 4D × 51MM) are respectively sent to a frequency conversion card clothing opener for opening after being automatically unpacked and weighed.
(2) And (2) respectively conveying the graphene far infrared antibacterial superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixer through an automatic conveying row for secondary wind mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene far infrared antibacterial superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight obtained is 5.5g/m2The graphene far infrared antibacterial superfine fiber multi-layer non-woven fabric.
The graphene far infrared antibacterial superfine fiber used in the embodiment is obtained by mixing nylon fiber master batches added with graphene, nano zinc oxide and nano copper oxide powder and nylon fiber slices, and then carrying out melt blending spinning.
Example 6
The graphene negative ion antibacterial superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 75% of graphene negative ion antibacterial superfine fibers (short fibers and medium and long fibers are 32-52 MM in diameter and 1.0D in fineness) and 25% of 4080 low-melting-point fibers (110 ℃, 4D × 51MM) are automatically unpacked and weighed, and then sent to a frequency conversion card clothing opener to be opened.
(2) And (2) respectively conveying the graphene negative ion antibacterial superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixing machine through an automatic conveying row for secondary wind mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene negative-ion antibacterial superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight obtained is 5.5g/m2The graphene negative ion antibacterial superfine fiber multi-layer non-woven fabric.
The graphene negative ion antibacterial superfine fiber used in the embodiment is obtained by mixing polyamide fiber master batches added with graphene, tourmaline negative ion powder, nano zinc oxide and nano copper oxide powder and polyamide fiber slices, and then carrying out melt blending spinning.
Example 7
The graphene negative ion antibacterial far infrared superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 80% of graphene negative ion antibacterial far infrared superfine fibers (short fibers and medium and long fibers are 32-52 MM, the fineness is 1.0D) and 20% of 4080 low melting point fibers (110 ℃, 4D × 51MM) are automatically unpacked and weighed, and then sent to a frequency conversion card clothing opener to be opened.
(2) And (2) respectively conveying the graphene negative ion antibacterial far infrared superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixing machine through an automatic conveying row for secondary air mixing and opening, arranging an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so that all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene negative-ion antibacterial far-infrared superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight of the obtained product is 6g/m2The graphene negative ion antibacterial far infrared superfine fiber multi-layer non-woven fabric.
The graphene negative ion antibacterial far infrared superfine fiber used in the embodiment is obtained by mixing viscose master batches added with graphene, tourmaline negative ion powder, nano zinc oxide, nano copper oxide powder and far infrared ceramic powder with viscose slices and then carrying out melt blending spinning.
Example 8
The graphene formaldehyde-removing peculiar smell-removing superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) 85% of graphene formaldehyde-removing and odor-removing superfine fibers (the medium and long fibers are 52-71 MM, the fineness is 1.5D) and 15% of 4080 low-melting-point fibers (110 ℃, 4D × 51MM) are automatically unpacked and weighed, and then sent to a frequency conversion card clothing opener to be opened.
(2) And (2) respectively conveying the graphene formaldehyde-removing peculiar smell-removing superfine fibers and 4080 low-melting-point fibers processed in the step (1) to a wind power mixer for secondary air mixing and opening through an automatic conveying row, setting an automatic fluorescence detection device in the conveying process, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so as to ensure that all the fibers do not contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene formaldehyde-removing and peculiar smell-removing superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) Physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, entering a secondary cooling device for cooling, then setting the length and the stacking number of each roll, and automatically winding and cuttingCutting, packaging and warehousing. The gram weight of the obtained product is 6.5g/m2The graphene formaldehyde-removing peculiar smell-removing superfine fiber multi-layer non-woven fabric.
The graphene formaldehyde-removing and odor-removing superfine fiber used in the embodiment is obtained by mixing polyester fiber master batches added with graphene, nano-mineral crystal formaldehyde-removing powder and nano-diatomite with polyester fiber slices, and then performing melt blending spinning.
Example 9
The graphene negative ion antibacterial superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) respectively carrying out automatic unpacking and weighing on 40% of graphene negative ion superfine fibers (short fibers and medium and long fibers 32 MM-52 MM and the fineness of 1.0D), 40% of graphene antibacterial superfine fibers (short fibers and medium and long fibers 32 MM-52 MM and the fineness of 1.0D) and 20% of 4080 low-melting-point fibers (110 ℃, 4D × 51MM), and then sending the fibers to a frequency conversion card clothing opener for opening.
(2) And (2) respectively conveying the graphene negative ion superfine fibers, the graphene antibacterial superfine fibers and the 4080 low-melting-point fibers processed in the step (1) to a wind power mixing machine through an automatic conveying row for secondary air mixing and opening, and setting an automatic fluorescence detection device in the conveying process, so that once a fluorescence signal is found, the whole-line photoelectric linkage machine is stopped, and all the fibers are ensured not to contain a fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers, the upper layer is graphene negative-ion superfine fibers, and the lower layer is graphene antibacterial superfine fibers, so that the fibers uniformly fall onto a collecting row.
(4) And (4) physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, cooling the fiber web in a secondary cooling device, setting the length and the stacking number of each roll, automatically winding, cutting, packaging and warehousing the fiber web. The gram weight of the obtained product is 6.0g/m2The graphene negative ion antibacterial superfine fiber multi-layer non-woven fabric.
The graphene anion superfine fiber used in the embodiment is obtained by mixing polyamide fiber master batches added with graphene and tourmaline anion powder with polyamide fiber slices and then carrying out melt blending spinning. The graphene antibacterial superfine fiber is obtained by mixing polyamide fiber master batches added with graphene, nano zinc oxide and nano copper oxide powder and polyamide fiber slices, and then carrying out melt blending spinning.
Example 10
The graphene negative ion far infrared superfine fiber multilayer non-woven fabric is prepared by the following method:
(1) respectively carrying out automatic unpacking and weighing on 40% of graphene negative ion superfine fibers (short fibers and medium and long fibers 32 MM-52 MM and the fineness of 1.0D), 40% of graphene far infrared superfine fibers (short fibers and medium and long fibers 32 MM-52 MM and the fineness of 1.0D) and 20% of 4080 low-melting-point fibers (110 ℃, 4D × 51MM), and then sending the fibers to a frequency conversion card clothing opener for opening.
(2) Conveying the graphene negative ion superfine fibers and the graphene far infrared superfine fibers treated in the step (1) to a wind power mixer through automatic conveying and discharging for secondary air mixing and opening to obtain graphene negative ion far infrared superfine fibers; 4080 the low melting point fiber is delivered to another wind power mixer for secondary wind mixing and opening by automatic delivery, an automatic fluorescence detection device is arranged in the delivery process, and once the fluorescence signal is found, the whole line photoelectric linkage is stopped, so that all the fibers are ensured not to contain fluorescent whitening agent. Then the cotton seeds are respectively sent to different cotton boxes through air pipes, the cotton boxes control the feeding amount of each time in a photoelectric height and volume weight fixing mode, and the feeding error of each time is controlled within plus or minus 1% of the weight.
(3) And (3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene negative ion far infrared superfine fibers, and enabling the fibers to uniformly fall onto a collecting row.
(4) Physically rolling and pre-bonding the fibers collected in the step (3) into a fiber web, then sending the fiber web to a thermal bonding machine for shaping, entering a secondary cooling device for cooling, then setting the length and the stacking number of each roll, automatically winding and cutting,And packaging and warehousing. The gram weight of the obtained product is 6.0g/m2The graphene negative ion far infrared superfine fiber multi-layer non-woven fabric.
The graphene anion superfine fiber used in the embodiment is obtained by mixing polyester fiber master batches added with graphene and tourmaline anion powder with polyester fiber slices and then carrying out melt blending spinning. The graphene far infrared superfine fiber is obtained by mixing polyester fiber master batch added with graphene and far infrared ceramic powder with polyester fiber slices, and then carrying out melt blending spinning.
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. A preparation method of a graphene multifunctional superfine fiber multilayer non-woven fabric is characterized by comprising the following preparation steps:
(1) respectively carrying out automatic unpacking and weighing on the multifunctional graphene superfine fibers and the low-melting-point fibers, and then sending the multifunctional graphene superfine fibers and the low-melting-point fibers to a frequency conversion card clothing opener for opening;
(2) respectively conveying the graphene multifunctional superfine fibers and the low-melting-point fibers treated in the step (1) into a wind power mixer for secondary air mixing and opening, and then respectively conveying the fibers into different cotton boxes through air pipes;
(3) conveying the fibers in the step (2) to a zero-wind-pressure cotton net collecting device according to the arrangement mode that the middle layer is low-melting-point fibers and the upper layer and the lower layer are graphene multifunctional superfine fibers, and enabling the fibers to uniformly fall onto a collecting row;
(4) and (4) physically rolling and pre-bonding the fibers collected in the step (3) to form a fiber web, and then conveying the fiber web to a thermal bonding machine for shaping to obtain the graphene multifunctional superfine fiber multi-layer non-woven fabric.
2. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: the graphene multifunctional superfine fiber is added with graphene and has at least one of the functions of negative ions, far infrared, antibiosis, mite prevention, magnetism, formaldehyde removal, peculiar smell removal, radiation resistance and ultraviolet resistance; or a mixture of multiple graphene multifunctional superfine fibers.
3. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: the fiber length of the multifunctional graphene superfine fibers and the low-melting-point fibers is 32-71 mm.
4. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: the low melting point fiber is 4080 low melting point fiber.
5. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: the titer of the graphene multifunctional superfine fiber is 0.5D-1.5D, and the titer of the low-melting-point fiber is 2D-4D.
6. The method for preparing the multilayer graphene multifunctional superfine fiber non-woven fabric according to claim 1, wherein the mass ratio of the graphene multifunctional superfine fiber to the low-melting-point fiber is as follows: 70-95% of graphene multifunctional superfine fiber and 30-5% of low melting point fiber.
7. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: and (3) arranging an automatic fluorescence detection device in the process that the multifunctional graphene superfine fibers and the low-melting-point fibers in the step (2) are respectively conveyed into a wind mixer, and stopping the machine in a full-line photoelectric linkage manner once a fluorescence signal is found, so as to ensure that all the fibers do not contain a fluorescent whitening agent.
8. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: in the step (2), the cotton box adopts a photoelectric height and volume weight determining mode to control the feeding amount of each time, and ensures that the feeding error of each time is controlled within plus or minus 1 percent of the weight.
9. The preparation method of the graphene multifunctional superfine fiber multi-layer non-woven fabric according to claim 1, which is characterized by comprising the following steps: and (4) further cooling the graphene multifunctional superfine fiber multi-layer non-woven fabric shaped in the step (4) in a secondary cooling device, setting the length and the number of codes of each roll, automatically winding, cutting, packaging and warehousing.
10. The utility model provides a multi-functional superfine fiber of graphite alkene multi-level non-woven fabrics which characterized in that: prepared by the method of any one of claims 1 to 9; the gram weight of the multifunctional graphene superfine fiber multi-layer non-woven fabric is 5-8 g/m2。
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