CN112810261A - Novel insulating light-storing fabric - Google Patents

Novel insulating light-storing fabric Download PDF

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Publication number
CN112810261A
CN112810261A CN202011639133.5A CN202011639133A CN112810261A CN 112810261 A CN112810261 A CN 112810261A CN 202011639133 A CN202011639133 A CN 202011639133A CN 112810261 A CN112810261 A CN 112810261A
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light
layer
storing
parts
fiber
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CN112810261B (en
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熊原
刘渊民
余胜
余拓
王亚峰
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Jihua 3509 Textile Co Ltd
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Jihua 3509 Textile Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • 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
    • D01F6/92—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 polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective

Abstract

The invention discloses a novel insulating light-storing fabric which comprises a skin-friendly layer, an insulating layer and a light-storing layer which are sequentially stacked from inside to outside; the skin-friendly layer is a sweat-absorbent and breathable cotton-flax fabric, and the insulating layer is a fabric made of polyimide fibers, polyester fibers and cotton-flax fibers; the light-storing layer is a weft plain stitch structure woven by light-storing fibers; the light-storing layer and the insulating layer form a functional double-layer structure through a tuck interweaving process; a skin-friendly layer is fixedly connected to the surface of one side of the insulating layer, which is far away from the light storage layer; a light reflecting glue layer is attached to the surface of one side, far away from the insulating layer, of the light storage layer; the light-storing fiber comprises the following raw materials in parts by weight: 15-25 parts of polyester fiber, 8-10 parts of strontium aluminate, 3-5 parts of dispersant, 5-7 parts of modifier and 1-3 parts of alumina. The invention also discloses a manufacturing method of the novel insulating light-storing fabric, which mainly comprises the steps of preparing the light-storing layer, preparing the insulating layer, preparing the skin-friendly layer and preparing the light-reflecting adhesive layer.

Description

Novel insulating light-storing fabric
Technical Field
The invention relates to the field of novel fabrics, in particular to a novel insulating light-storing fabric.
Background
With the social progress and the development of the times, the number of novel fabrics is infinite, and people hope to develop more novel fabrics close to the actual life, which can solve some problems in the working life.
For example, in a place with insufficient light, people can hardly see things ahead of the eyes, and if the people are in a dark environment during traffic traveling, traffic accidents can be easily caused, and the life safety of people can be endangered seriously. Common luminous fabrics on the market are usually made of reflective powder coating materials, and can strongly reflect light when the light is directly emitted, but the fabric cannot emit light by itself, only can emit light by means of other light sources, and the use conditions are limited. The common fabric is not conductive, but can not isolate the human body from the external over-high voltage to protect the human body. In addition, the functional fabric commonly available in the market can only realize one specific function, and if a user encounters a complex environment, only one specific function is difficult to deal with.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a novel insulating light-storing fabric, and solves the technical problems that in the prior art, a functional fabric cannot emit light automatically to play a warning role, and the insulating performance is poor in a high-voltage environment, so that a human body cannot be well protected.
In order to achieve the technical purpose, on one hand, the technical scheme of the invention provides a novel insulating light-storing fabric which comprises a skin-friendly layer, an insulating layer and a light-storing layer which are sequentially stacked from inside to outside; the skin-friendly layer is a sweat-absorbent and breathable cotton-flax fabric, and the insulating layer is a fabric made of polyimide fibers, polyester fibers and cotton-flax fibers; the light-storing layer is a weft plain stitch structure woven by light-storing fibers; the light-storing layer and the insulating layer form a functional double-layer structure through a tuck interweaving process; a skin-friendly layer is fixedly connected to the surface of one side of the insulating layer, which is far away from the light storage layer; a light reflecting glue layer is attached to the surface of one side, far away from the insulating layer, of the light storage layer; the light-storing fiber comprises the following raw materials in parts by weight: 15-25 parts of polyester fiber, 8-10 parts of strontium aluminate, 3-5 parts of dispersant, 5-7 parts of modifier and 1-3 parts of alumina.
The invention also provides a preparation method of the novel insulating light-storing fabric, which mainly comprises the steps of preparing a light-storing layer, preparing an insulating layer, preparing a skin-friendly layer and preparing a light-reflecting adhesive layer.
Compared with the prior art, the invention has the beneficial effects that: the light-storing material is innovatively made into the light-emitting master batch which is added in the blending stage of the polyester fiber, and the light-emitting master batch is made by ball-milling the long-afterglow light-emitting material into fine particles, so that the light with specific intensity and wavelength can be emitted, and the warning effect can be realized at a distance; in addition, the outer surface of the light storage layer is additionally provided with a layer of reflective glue layer, so that the luminous intensity of the light storage layer can be enhanced to a certain extent, and a stronger reflective effect can be generated under the irradiation of strong rays. Moreover, the insulating material polyimide which has development prospect in recent years is adopted as the middle insulating layer, the polyimide is made into fibers through specific procedures, and then the fibers and the polyester yarns are blended to form the insulating fabric, so that the insulating fabric is light and thin, the high-voltage electricity can be effectively prevented from contacting with a human body, the human body can be protected to the greatest extent, and electric shock accidents are avoided.
Drawings
Fig. 1 is a process flow of the novel insulating light-storing fabric.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a novel light-storing insulating fabric which comprises a skin-friendly layer, an insulating layer and a light-storing layer which are sequentially stacked from inside to outside; a light reflecting glue layer is attached to the surface of one side, far away from the insulating layer, of the light storage layer; the light storage layer is made of light storage fibers and the light storage fibers contain a plurality of light emitting master batches; the insulating layer is made of polyimide fiber woven.
The invention also provides a manufacturing method of the novel insulating light-storing fabric, which mainly comprises the steps of sequentially laminating a skin-friendly layer, an insulating layer and a light-storing layer from inside to outside, and attaching a light-reflecting glue layer to one side of the light-storing layer, which is far away from the insulating layer; the preparation method of the light-storing layer comprises the following steps: the light-storing fiber is prepared by adding luminescent master batch into polyester fiber in the spinning process; and weaving the light-storing fiber to obtain the light-storing layer.
Preferably, the preparation of the light-storing layer comprises:
s11, proportioning the raw materials of the luminescent master batch: weighing the following raw materials in parts by weight: 8-10 parts of strontium aluminate, 3-5 parts of dispersant, 5-7 parts of modifier, 1-3 parts of aluminum oxide, high-purity aluminum oxide, dispersant and modifier, and uniformly stirring to prepare mixed powder;
s12, preparing the luminescent master batch: uniformly stirring the raw materials weighed in the step S11 to prepare mixed powder, sintering the mixed powder at high temperature to form blocks, then ball-milling the blocks into particles with the particle size of 5.3-9.5 mu m, and screening to prepare luminescent master batches;
s13, preparation of light-storing fiber: heating the luminescent master batch prepared in the step S12 to the temperature of 1300-1500 ℃ to a molten state, adding the luminescent master batch in the molten state in the spinning stage of the polyester fiber, and spinning to obtain the light-storing fiber;
s14, weaving the light storage layer: and (4) the light-storing fiber prepared in the S13 is woven into a weft plain stitch structure through weft plain weaving, and the obtained weft plain stitch structure is the light-storing layer.
Preferably, the preparation of the insulation layer includes the preparation of polyimide fibers and the preparation of the insulation layer.
The preparation method of the polyimide fiber comprises the following steps:
preparing a spinning solution: adding a polymerization raw material diamine and a solvent into a reactor, dissolving under the protection of inert gas, adding tetracarboxylic dianhydride at the temperature of-10-40 ℃ for reacting for 2-10 hours to obtain a polyamic acid stock solution, decompressing the stock solution to remove bubbles, and filtering to obtain a polyamic acid spinning stock solution, wherein the solid content of the spinning stock solution is 5% -30%, the intrinsic viscosity is 1.3-2.5dL/g, the apparent viscosity at 25 ℃ is 50-250 Pa.s, and the temperature of the spinning stock solution is 0-40 ℃;
(2) solidification and forming: the preparation method is characterized by adopting a wet spinning method, wherein a spinning stock solution is metered by a metering pump, filtered again, extruded by a spinning nozzle and subjected to coagulating bath to obtain nascent fiber;
(3) washing with water: washing the nascent fiber obtained in the step (2) with water;
(4) oiling and drying densification: oiling and drying densification are carried out on the fiber obtained in the step (3), and then silk is collected to obtain polyamide acid protofilament, wherein the temperature of drying densification is 50-130 ℃;
(5) imidization: imidizing the protofilament obtained in the step (4) to obtain polyimide nascent fiber;
(6) hot drawing and filament winding: and (5) performing hot drafting on the polyimide nascent fiber obtained in the step (5) and then collecting the fiber to obtain the polyimide fiber.
Preferably, the preparation method of the insulating layer comprises the following steps: the polyimide fiber, the polyester fiber and the cotton-flax fiber are blended into the insulating fabric according to the weight ratio of (50-52) to (43-45) to (5-7) to prepare the insulating layer.
Preferably, one surface of the light storage layer, which is far away from the insulating layer, is also coated with a light reflecting glue layer; the light reflecting glue layer is prepared from the following raw materials in parts by mass: 20-40 parts of reflective powder, 31-37 parts of cellulose resin, 2-4 parts of cosolvent and 0.4-0.8 part of flatting agent.
Wherein, the preparation of the reflecting glue layer:
s21, mixing the following raw materials: weighing the following raw materials in parts by weight: 20-40 parts of reflective powder, 31-37 parts of cellulose resin, 2-4 parts of cosolvent and 0.4-0.8 part of flatting agent;
s22, forming a reflective glue layer: and (4) mixing and stirring the raw materials weighed in the step (S21) uniformly to prepare a reflective glue solution, uniformly coating the reflective glue solution on the surface of the light storage layer, standing for 30-60min, and forming a reflective glue layer after the reflective glue solution is solidified.
Preferably, the skin-friendly layer is prepared by blending cotton-flax fibers, modal fibers and polyester fibers according to the weight ratio of (60-70) to (10-15).
Specifically, polyimide is one of organic polymer materials with the best comprehensive performance in recent years, has high insulation performance, has a dielectric constant of 4.0 under the condition of 103 Hz and dielectric loss of only 0.004-0.007, is an F-H grade insulator, and has great development prospect, and the high-temperature resistant polyimide has high temperature resistance of more than 400 ℃. According to the invention, the functional fabric with excellent insulativity is prepared by blending the compact fiber prepared from the polyimide and the polyester fiber, so that the lightness of the fabric can be kept while high-voltage electricity and high-temperature fire are blocked to a great extent.
Specifically, the light-emitting master batch in the light-storing layer is fine particles which are ball-milled by long afterglow materials, can emit light with specific wavelength and intensity, and plays a role in warning. In addition, a layer of reflective adhesive layer is additionally arranged on the outer surface of the light storage layer, and the reflective powder can expand the luminous intensity of the luminous master batch in the light storage layer under the condition of insufficient light, and can reflect strong direct light to a certain extent under the condition of direct irradiation of strong light, thereby playing a warning role.
Particularly, the cotton-flax fibers and the modal fibers are moisture-absorbing, breathable, soft and comfortable, and the wearing comfort level is increased; the polyester fibers may provide some stiffness for better fit of the insulation layer.
Specifically, the gray fabric of the skin-friendly layer prepared by the invention can further comprise a dyeing process and a setting process.
Specifically, the process flow of the grey cloth dyeing process is as follows: wetting with warm water, dyeing, gradually heating and dyeing, dyeing at a constant temperature, reducing and cleaning, washing with water, and discharging cloth. The method comprises the following specific process steps: the grey cloth is put into a dyeing tank at 60 ℃, the temperature is increased to 80 ℃ at the speed of 2 ℃/min for 5min, then the temperature is increased to 100 ℃ at the speed of 1 ℃/min for 5min, then the temperature is increased to 120 ℃ at the speed of 1.5 ℃/min for 30min, and then the temperature is reduced to 66 ℃ at the same speed, and finally the grey cloth is taken out.
Specifically, the process flow of the grey cloth setting procedure is as follows: starting, cooling, regulating speed, feeding cloth, drying, shaping and discharging cloth. The required process parameters are as follows: the temperature is 170-175 ℃; the vehicle speed is 20-30 m/min; overfeeding: the method comprises the following steps: 2%, the following: 2 percent; the weight percentage of the padding softener is 3-5%; the gram weight is 120-130g/m2(ii) a Breadth: 150-.
Example 1
S1: weighing 8 parts of strontium aluminate, 1 part of high-purity alumina, 3 parts of dispersant and 5 parts of modifier according to the weight ratio, and uniformly stirring to prepare mixed powder;
s2: firing the mixed powder prepared in the step S1 at a high temperature until the mixed powder is hardened into blocks, then ball-milling the blocks into particles with the particle size of 5.3 mu m, and screening the particles to prepare luminescent master batches;
s3: heating the luminescent master batch prepared in the step S2 to 1300 ℃ to a molten state, adding the luminescent master batch in the molten state in the spinning stage of the polyester fiber, and spinning to obtain the light-storing fiber;
s4: and (3) the light-storing fiber prepared in the S3 is woven into a weft plain stitch structure through weft plain weaving, and the obtained weft plain stitch structure is the light-storing layer.
S5: adding a polymerization raw material diamine and a solvent into a reactor, dissolving under the protection of inert gas, adding tetracarboxylic dianhydride at the temperature of-10 ℃ for reacting for 2 hours to obtain a polyamic acid stock solution, decompressing the stock solution to remove bubbles, and filtering to obtain a polyamic acid spinning stock solution, wherein the solid content of the spinning stock solution is 5%, the intrinsic viscosity is 1.3dL/g, the apparent viscosity at 25 ℃ is 50Pa s, and the temperature of the spinning stock solution is 0 ℃;
s6: the preparation method is characterized by adopting a wet spinning method, wherein a spinning stock solution is metered by a metering pump, filtered again, extruded by a spinning nozzle and subjected to coagulating bath to obtain nascent fiber;
s7: washing the nascent fiber obtained in the step S6 with water;
s8: oiling and drying densification are carried out on the fiber obtained in the step S7, and then silk is collected to obtain polyamide acid protofilament, wherein the temperature of drying densification is 50 ℃;
s9: imidizing the precursor obtained in the step S8 to obtain polyimide nascent fiber;
s10: performing hot drafting on the polyimide nascent fiber obtained in the step S9, and then collecting the fiber to obtain a polyimide fiber;
s11: blending the polyimide fibers, the polyester fibers and the cotton and linen fibers prepared in the step S10 into an insulating fabric according to the weight ratio of 50:43:5 to prepare an insulating layer;
s12: weighing 20 parts of reflective powder, 31 parts of cellulose resin, 2 parts of cosolvent and 0.8 part of flatting agent according to the weight percentage, and mixing and stirring uniformly to prepare reflective glue solution;
s13: uniformly coating the light-reflecting glue solution prepared in the step S12 on the surface of the light-storing layer, standing for 30min, and solidifying to form a light-reflecting glue layer;
s14: blending the cotton-flax fibers, the modal fibers and the polyester fibers according to the weight ratio of 60:10:10 to prepare a skin-friendly layer;
s15: and fixedly connecting the prepared skin-friendly layer, the insulating layer and the surface of the light storage layer which is not adhered by the reflective adhesive to obtain the insulating light storage fabric.
Example 2
S1: weighing 10 parts of strontium aluminate, 3 parts of high-purity alumina, 5 parts of dispersant and 7 parts of modifier according to the weight ratio, and uniformly stirring to prepare mixed powder;
s2: firing the mixed powder prepared in the step S1 at a high temperature until the mixed powder is hardened into blocks, then ball-milling the blocks into particles with the particle size of 5.3 mu m, and screening the particles to prepare luminescent master batches;
s3: heating the luminescent master batch prepared in the step S2 to a molten state at 1500 ℃, adding the luminescent master batch in the molten state in the spinning stage of the polyester fiber, and spinning to obtain the light-storing fiber;
s4: and (3) the light-storing fiber prepared in the S3 is woven into a weft plain stitch structure through weft plain weaving, and the obtained weft plain stitch structure is the light-storing layer.
S5: adding a polymerization raw material diamine and a solvent into a reactor, dissolving under the protection of inert gas, adding tetracarboxylic dianhydride at the temperature of-10 ℃ for reacting for 2 hours to obtain a polyamic acid stock solution, decompressing the stock solution to remove bubbles, and filtering to obtain a polyamic acid spinning stock solution, wherein the solid content of the spinning stock solution is 5%, the intrinsic viscosity is 1.3dL/g, the apparent viscosity at 25 ℃ is 50Pa s, and the temperature of the spinning stock solution is 0 ℃;
s6: the preparation method is characterized by adopting a wet spinning method, wherein a spinning stock solution is metered by a metering pump, filtered again, extruded by a spinning nozzle and subjected to coagulating bath to obtain nascent fiber;
s7: washing the nascent fiber obtained in the step S6 with water;
s8: oiling and drying densification: oiling and drying densification are carried out on the fiber obtained in the step S7, and then silk is collected to obtain polyamide acid protofilament, wherein the temperature of drying densification is 50 ℃;
s9: imidizing the precursor obtained in the step S8 to obtain polyimide nascent fiber;
s10: performing hot drafting on the polyimide nascent fiber obtained in the step S9, and then collecting the fiber to obtain a polyimide fiber;
s11: blending the polyimide fibers, the polyester fibers and the cotton and linen fibers prepared in the step S10 into an insulating fabric according to the weight ratio of 50:43:5 to prepare an insulating layer;
s12: weighing 40 parts of reflective powder, 37 parts of cellulose resin, 4 parts of cosolvent and 0.8 part of flatting agent according to the weight percentage, and mixing and stirring the materials uniformly to prepare reflective glue solution;
s13: uniformly coating the light-reflecting glue solution prepared in the step S12 on the surface of the light-storing layer, standing for 30min, and solidifying to form a light-reflecting glue layer;
s14: blending the cotton-flax fibers, the modal fibers and the polyester fibers according to the weight ratio of 60:10:10 to prepare a skin-friendly layer;
s15: and fixedly connecting the prepared skin-friendly layer, the insulating layer and the surface of the light storage layer which is not adhered by the reflective adhesive to obtain the insulating light storage fabric.
Example 3
1. Preparing a light-storing layer:
s1: weighing 9 parts of strontium aluminate, 2 parts of high-purity alumina, 4 parts of dispersant and 6 parts of modifier according to the weight ratio, and uniformly stirring to prepare mixed powder;
s2: firing the mixed powder prepared in the step S1 at a high temperature until the mixed powder is hardened into blocks, then ball-milling the blocks into particles with the particle size of 5.3 mu m, and screening the particles to prepare luminescent master batches;
s3: heating the luminescent master batch prepared in the step S2 to a molten state at 1500 ℃, adding the luminescent master batch in the molten state in the spinning stage of the polyester fiber, and spinning to obtain the light-storing fiber;
s4: the light-storing fiber prepared in the S3 is woven into a weft plain stitch structure through weft plain knitting, and the obtained weft plain stitch structure is the light-storing layer;
s5: adding a polymerization raw material diamine and a solvent into a reactor, dissolving under the protection of inert gas, adding tetracarboxylic dianhydride at the temperature of-10 ℃ for reacting for 2 hours to obtain a polyamic acid stock solution, decompressing the stock solution to remove bubbles, and filtering to obtain a polyamic acid spinning stock solution, wherein the solid content of the spinning stock solution is 5%, the intrinsic viscosity is 1.3dL/g, the apparent viscosity at 25 ℃ is 50Pa s, and the temperature of the spinning stock solution is 0 ℃;
s6: the preparation method is characterized by adopting a wet spinning method, wherein a spinning stock solution is metered by a metering pump, filtered again, extruded by a spinning nozzle and subjected to coagulating bath to obtain nascent fiber;
s7: washing the nascent fiber obtained in the step (2) with water;
s8: oiling and drying densification are carried out on the fiber obtained in the step (3), and then silk is collected to obtain polyamide acid protofilament, wherein the temperature of drying densification is 50 ℃;
s9: imidizing the protofilament obtained in the step (4) to obtain polyimide nascent fiber;
s10: performing hot drafting on the polyimide nascent fiber obtained in the step (5) and then collecting the fiber to obtain polyimide fiber;
s11: blending the polyimide fibers, the polyester fibers and the cotton and linen fibers prepared in the step S10 into an insulating fabric according to the weight ratio of 50:43:5 to prepare an insulating layer;
s12: weighing 35 parts of reflective powder, 34 parts of cellulose resin, 3 parts of cosolvent and 0.6 part of flatting agent according to the weight percentage, and mixing and stirring the materials uniformly to prepare reflective glue solution;
s13: uniformly coating the light-reflecting glue solution prepared in the step S12 on the surface of the light-storing layer, standing for 60min, and solidifying to form a light-reflecting glue layer;
s14: blending the cotton-flax fibers, the modal fibers and the polyester fibers according to the weight ratio of 60:10:10 to prepare a skin-friendly layer;
s15: and fixedly connecting the prepared skin-friendly layer, the insulating layer and the surface of the light storage layer which is not adhered by the reflective adhesive to obtain the insulating light storage fabric.
Comparative example 1
Commercially available fluorescent cloth for police use.
Comparative example 2
The fabric is made of long afterglow fluorescent materials sold in the market.
Comparative example 3
Insulating fabrics made of insulating materials are commercially available.
The results of the examples 1 to 3 and the comparative examples 1 to 2 are shown in table 1, wherein the examples and the comparative examples were continuously irradiated with strong sunlight for 10 seconds under the same humidity and temperature environment and were subjected to the same dark condition after being irradiated with light for 10 seconds.
Table 1: light performance test results summary
Figure BDA0002879462930000111
As can be seen from the illumination performance test data shown in table 1, the fabric prepared by the experimental procedure disclosed in example 3 has the best long afterglow illumination performance compared to other experimental groups.
The examples 1 to 3 and the comparative example 3 were subjected to a dielectric constant test experiment and a potential breakdown test in an environment at a temperature of 23. + -. 2 ℃ and a relative humidity of 50%. + -. 1 under an atmospheric pressure of 0.1013MPa (760mmHg), and the results are shown in Table 2.
Table 2: list of insulation performance test results
Figure BDA0002879462930000112
Figure BDA0002879462930000121
As can be seen from the insulation performance test data shown in table 2, the fabrics produced by the experimental procedure disclosed in example 3 have the best insulation performance relative to the other experimental groups.
The beneficial effects of the invention different from the prior art include: the light-storing material is made into the luminescent master batch which is added in the blending stage of the polyester fiber, and the luminescent master batch is made by ball milling the long afterglow luminescent material into fine particles, so that the luminescent master batch can emit light with specific intensity and wavelength and can play a warning role in a remote place; in addition, the outer surface of the light storage layer is additionally provided with a layer of reflective glue layer, so that the luminous intensity of the light storage layer can be enhanced to a certain extent, and a stronger reflective effect can be generated under the irradiation of strong rays. Moreover, the insulating material polyimide which has development prospect in recent years is adopted as the middle insulating layer, the polyimide is made into fibers through specific procedures, and then the fibers and the polyester yarns are blended to form the insulating fabric, so that the insulating fabric is light and thin, the high-voltage electricity can be effectively prevented from contacting with a human body, the human body can be protected to the greatest extent, and electric shock accidents are avoided.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (9)

1. A novel insulating light-storing fabric is characterized by comprising a skin-friendly layer, an insulating layer and a light-storing layer which are sequentially stacked from inside to outside; a light reflecting adhesive layer is attached to the surface of one side, away from the insulating layer, of the light storage layer; the light storage layer is made of light storage fibers, and the light storage fibers contain a plurality of light emitting master batches; the insulating layer is made of polyimide fiber in a weaving mode.
2. The novel insulating light-storing fabric as claimed in claim 1, wherein the inner side of the insulating layer is fixedly connected with the skin-friendly layer through fibers; the insulating layer and the light storage layer are bonded into a functional double-layer structure through an adhesive;
the light storage fiber comprises the following raw materials in parts by weight: 15-25 parts of polyester fiber, 8-10 parts of strontium aluminate, 3-5 parts of dispersant, 5-7 parts of modifier and 1-3 parts of alumina.
3. A novel method for manufacturing an insulating light-storing fabric is characterized in that a skin-friendly layer, an insulating layer and a light-storing layer are sequentially stacked from inside to outside, and a light-reflecting glue layer is attached to one side, away from the insulating layer, of the light-storing layer; wherein the preparation method of the light-storing layer comprises the following steps: adding the light-emitting master batch in the spinning process of the polyester fiber, and preparing the light-storing fiber; and weaving the light-storing fibers to obtain the light-storing layer.
4. The preparation method of the novel insulating light-storing fabric according to claim 3, wherein the preparation method of the light-storing layer comprises the following steps:
s11, proportioning the raw materials of the luminescent master batch: weighing the following raw materials in parts by weight: 8-10 parts of strontium aluminate, 3-5 parts of dispersant, 5-7 parts of modifier and 1-3 parts of alumina, and uniformly stirring to prepare mixed powder;
s12, preparing the luminescent master batch: uniformly stirring the raw materials weighed in the step S11 to prepare mixed powder, firing the mixed powder at high temperature until the mixed powder is hardened into blocks, then ball-milling the blocks into particles with the particle size of 5.3-9.5 mu m, and screening to prepare luminescent master batches;
s13, preparation of light-storing fiber: heating the luminescent master batch prepared in the step S12 to the temperature of 1300-1500 ℃ to a molten state, adding the luminescent master batch in the molten state in the spinning stage of the polyester fiber, and spinning to obtain the light-storing fiber;
s14, weaving the light storage layer: and (3) the light-storing fiber prepared in the S13 is woven into a weft plain stitch structure through weft plain weaving, and the obtained weft plain stitch structure is the light-storing layer.
5. The preparation method of the novel insulating light-storing fabric as claimed in claim 4, wherein the preparation method of the polyimide fiber comprises the following steps:
preparing polyimide stock solution: adding a polymerization raw material diamine and a solvent into a reactor, dissolving under the protection of inert gas, adding tetracarboxylic dianhydride at the temperature of-10-40 ℃ for reacting for 2-10 hours to obtain a polyamic acid stock solution, decompressing the stock solution to remove bubbles, and filtering to obtain a polyamic acid spinning stock solution, wherein the solid content of the spinning stock solution is 5% -30%, the intrinsic viscosity is 1.3-2.5dL/g, the apparent viscosity at 25 ℃ is 50-250 Pa.s, and the temperature of the spinning stock solution is 0-40 ℃;
(2) solidification and forming: processing the polyamic acid spinning solution prepared in the step (1) by adopting a wet spinning method, metering the processed spinning solution by a metering pump, filtering again, extruding by a spinning nozzle, and then passing through a coagulating bath to obtain nascent fiber;
(3) washing with water: washing the nascent fiber obtained in the step (2) to obtain clean fiber;
(4) oiling and drying densification: oiling the clean fiber obtained in the step (3), drying and densifying the clean fiber, and then reeling to obtain polyamide acid protofilament, wherein the temperature of drying and densifying is 50-130 ℃;
(5) imidization: imidizing the protofilament obtained in the step (4) to obtain polyimide nascent fiber;
(6) hot drawing and filament winding: and (5) performing hot drafting on the polyimide nascent fiber obtained in the step (5) and then collecting the fiber to obtain the polyimide fiber.
6. The preparation method of the novel insulating light-storing fabric according to claim 3, wherein the insulating layer is prepared by: the polyimide fiber, the polyester fiber and the cotton-flax fiber are blended into an insulating fabric, namely an insulating layer, according to the weight ratio of (50-52) to (43-45) to (5-7).
7. The preparation method of the novel insulating light-storing fabric according to claim 3, wherein the light-reflecting glue layer comprises the following raw materials in parts by weight: 20-40 parts of reflective powder, 31-37 parts of cellulose resin, 2-4 parts of cosolvent and 0.4-0.8 part of flatting agent.
8. The preparation method of the novel insulating light-storing fabric as claimed in claim 7, wherein the light-reflecting glue layer is prepared by the following steps:
s21, mixing the following raw materials: weighing the following raw materials in parts by weight: 20-40 parts of reflective powder, 31-37 parts of cellulose resin, 2-4 parts of cosolvent and 0.4-0.8 part of flatting agent;
s22, forming a reflective glue layer: and (4) mixing and stirring the raw materials weighed in the step (S21) uniformly to prepare a reflective glue solution, uniformly coating the reflective glue solution on the surface of the light storage layer, standing for 30-60min, and forming a reflective glue layer after the reflective glue solution is solidified.
9. The preparation method of the novel insulating light-storing fabric as claimed in claim 2, wherein the skin-friendly layer is prepared by blending cotton-flax fibers, modal fibers and polyester fibers according to a weight ratio of (60-70): (10-15): (10-15).
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