CN113306229A - Breathable ultraviolet-proof fabric - Google Patents

Breathable ultraviolet-proof fabric Download PDF

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Publication number
CN113306229A
CN113306229A CN202110611120.5A CN202110611120A CN113306229A CN 113306229 A CN113306229 A CN 113306229A CN 202110611120 A CN202110611120 A CN 202110611120A CN 113306229 A CN113306229 A CN 113306229A
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China
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ultraviolet
proof
cotton
flax
layer
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CN202110611120.5A
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Chinese (zh)
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徐扬萍
卢再佰
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Individual
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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
    • B32B5/024—Woven fabric
    • 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
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • 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
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/43—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with differing diameters
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • 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
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • 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
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • 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
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/22—Physical properties protective against sunlight or UV radiation

Abstract

The invention relates to the technical field of fabric preparation, in particular to a breathable ultraviolet-proof fabric. The fabric is divided into two layers, namely a cotton-flax layer and an ultraviolet-proof layer; the cotton-flax layer is formed into a grid shape by interweaving cotton-flax warp yarns and cotton-flax weft yarns, and the cotton-flax warp yarns and the cotton-flax weft yarns are interweaved at equal intervals periodically; the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns; the two layers of the ultraviolet-proof layer and the cotton-flax layer are mutually sunk and floated through warps and wefts at large grid points, are woven in a staggered mode, are connected, are naturally and firmly fixed, do not use a binder, and are light in weight, non-toxic and harmless. Has good air permeability and good ultraviolet-proof effect.

Description

Breathable ultraviolet-proof fabric
Technical Field
The invention relates to the technical field of fabric preparation, in particular to a breathable ultraviolet-proof fabric.
Background
Proper amount of sunlight ultraviolet irradiation is beneficial to the synthesis of vitamin D of human bodies and can be beneficial to the prevention of certain diseases with vitamin D deficiency, however, excessive ultraviolet irradiation can affect the skin, damage deep tissue cells under the skin and cause the skin to lose elasticity or skin cancer under more serious conditions. In plateau area or high ultraviolet irradiation area, to the surface of clothesThe anti-ultraviolet function of the material has certain requirements, and at present, standards are established for the anti-ultraviolet function of the fabric at home and abroad, such AS GB/T17032-1997 test method for ultraviolet transmittance of textile fabrics, AS/NZS 4399: 1996 Australian/New Zealand Standard
Figure BDA0003095914490000011
The requirements and test standards for the acquisition of certain fabric cloths are given in Sun protective fastening-Evaluation and fastening, BS 7914: 1998 Method of test for the duration of the textile weighed textile fabrics.
With the recognition of the harm of excessive ultraviolet irradiation, the demand of ultraviolet protection function of clothes is gradually increased, and especially in summer or under the condition of much sunlight irradiation, consumers require that the cloth used by the clothes can meet the ultraviolet protection function and has the effects of light weight, coolness and ventilation. However, the clothes sold on the market are deficient in effective ultraviolet protection.
Starting from the fabric or the fabric itself, the invention of the fabric with good air permeability, light weight and good ultraviolet-proof effect has very important significance.
Disclosure of Invention
The invention aims to provide a breathable ultraviolet-proof fabric which has good breathability and ultraviolet-proof effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a breathable ultraviolet-proof fabric comprises two layers, namely a cotton layer and an ultraviolet-proof layer;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
The cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
The ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
the modified polyester fiber comprises the following modification preparation steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 30-60 min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
The thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 4 to 1.
The invention has the beneficial effects that:
1. the fabric is designed in a double-layer mode, the outer layer is an ultraviolet-proof layer and can effectively absorb ultraviolet rays, the inner layer is a cotton-flax layer, and the cotton-flax layer is made of natural cotton and fibrilia and is skin-friendly, soft and breathable; and the ultraviolet-proof layer has a unique fiber configuration structure, so that the ultraviolet-proof layer has a structure that large grids are nested in small grids, and has good air permeability on the premise of ensuring the effect of absorbing ultraviolet rays.
2. The two layers of the ultraviolet-proof layer and the cotton-flax layer are mutually sunk and floated through warps and wefts at large grid points, are woven in a staggered mode, are connected, are naturally and firmly fixed, do not use a binder, and are light in weight, non-toxic and harmless.
3. The fiber used in the ultraviolet-proof layer is modified by adding an organic ultraviolet absorbent into the polyester fiber, the fiber is prepared by one-time spinning, the ultraviolet absorbent is firmly fixed in the fiber, and functional groups such as hydroxyl and the like are arranged on the organic ultraviolet absorbent, so that the absorbed energy can be converted into heat energy to be dissipated in the processes of forming stable hydrogen bonds, hydrogen bond chelate rings and the like when the acrylic polyurethane is irradiated by ultraviolet rays, the acrylic polyurethane is aged and degraded by the irradiation of the ultraviolet rays, the ultraviolet rays are consumed, and the final ultraviolet-proof effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic top view of the UV blocking layer structure of the present invention;
FIG. 2 is a schematic representation of the fiber structure of a cut face of a fabric of the present invention;
1. the ultraviolet-proof fabric comprises a cotton-flax layer, 101 cotton-flax warp yarns, 102 cotton-flax weft yarns, 2 an ultraviolet-proof layer, 201 ultraviolet-proof warp yarns, 2011 coarse ultraviolet-proof warp yarns, 2012 fine ultraviolet-proof warp yarns, 202 ultraviolet-proof weft yarns, 2021 coarse ultraviolet-proof weft yarns, 2022 fine ultraviolet-proof weft yarns.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A breathable ultraviolet-proof fabric comprises two layers, namely a cotton layer and an ultraviolet-proof layer; the thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 4;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
The cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
The ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
the modified polyester fiber comprises the following modification preparation steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 30min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
Example 2
A breathable ultraviolet-proof fabric comprises two layers, namely a cotton layer and an ultraviolet-proof layer; the thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 3;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
The cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
The ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
the modified polyester fiber comprises the following modification preparation steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 60min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
Example 3
A breathable ultraviolet-proof fabric comprises two layers, namely a cotton layer and an ultraviolet-proof layer; the thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 2;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
The cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
The ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
the modified polyester fiber comprises the following modification preparation steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 40min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
Example 4
A breathable ultraviolet-proof fabric comprises two layers, namely a cotton layer and an ultraviolet-proof layer; the thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 1;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
The cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
The ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
the modified polyester fiber comprises the following modification preparation steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 50min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
The examples 1-4 were tested for uv protection and air permeability and the results are shown in the following table:
Figure BDA0003095914490000101
UVA, UVB and UPF are tested according to the test method in AS/NZS 4399: 1996, wherein UVA is the average transmittance of ultraviolet light with the wavelength of 315-.
The ultraviolet protection index UPF is the ratio of the radiation intensity of the radiation which is not protected by the fabric to the radiation intensity of the radiation which is protected by the fabric, and the UPF value is 50, 50plus, which indicates that the fabric has high ultraviolet protection level.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. A breathable ultraviolet-proof fabric is characterized in that: the fabric is divided into two layers, namely a cotton-flax layer and an ultraviolet-proof layer;
the cotton-flax layer is formed by interweaving cotton-flax warp yarns and cotton-flax weft yarns into a grid shape, the diameters of the cotton-flax warp yarns and the cotton-flax weft yarns of the cotton-flax layer are the same, and the grid shape of the cotton-flax layer is that the cotton-flax warp yarns and the cotton-flax weft yarns are interwoven with each other at equal intervals in a periodic manner;
the ultraviolet-proof layer is formed by interweaving ultraviolet-proof warp yarns and ultraviolet-proof weft yarns to form a grid shape, the ultraviolet-proof warp yarns are coarse ultraviolet-proof warp yarns and fine ultraviolet-proof warp yarns, and the diameter of the coarse ultraviolet-proof warp yarns is twice that of the fine ultraviolet-proof warp yarns; the ultraviolet-proof weft yarns are thick ultraviolet-proof weft yarns and thin ultraviolet-proof weft yarns, and the diameter of each thick ultraviolet-proof weft yarn is twice that of each thin ultraviolet-proof weft yarn; the ultraviolet-proof layer is arranged in a grid-shaped manner, the ultraviolet-proof warp yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse warp yarn and two ultraviolet-proof fine warp yarns, and the ultraviolet-proof weft yarns are sequentially and periodically arranged at equal intervals according to an ultraviolet-proof coarse weft yarn and two ultraviolet-proof fine weft yarns;
the cotton and linen warp yarns of the cotton and linen layer are parallel to the ultraviolet-proof warp yarns of the ultraviolet-proof layer, and the cotton and linen weft yarns of the cotton and linen layer are parallel to the ultraviolet-proof weft yarns of the ultraviolet-proof layer; the coarse ultraviolet-proof warp yarns and the coarse ultraviolet-proof weft yarns of the ultraviolet-proof layer are mutually floated and interlaced with the cotton-flax warp yarns and the cotton-flax weft yarns corresponding to the cotton-flax layer at the interweaving points, and the two layers are fixed.
2. The breathable ultraviolet-proof fabric according to claim 1, characterized in that: the cotton-flax warp yarn is prepared from cotton fibers and fibrilia according to the weight ratio: fibrilia 1: 1, the cotton-flax weft yarn is formed by blending cotton fibers and flax fibers according to the weight ratio: fibrilia 1: 1 are blended.
3. The breathable ultraviolet-proof fabric according to claim 1, characterized in that: the ultraviolet-proof warp yarns and the ultraviolet-proof weft yarns are spun from modified polyester fibers, the modified polyester fibers are modified by adding an organic ultraviolet absorbent into the molten polyester fibers, and the organic ultraviolet absorbent is formed by mixing 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane; the weight ratio of the polyester fiber, the 2,2',4,4' -tetrahydroxybenzophenone and the acrylic polyurethane is that the polyester fiber: 2,2',4,4' -tetrahydroxybenzophenone: acrylic urethane ═ 20: 7: 3.
4. the breathable ultraviolet-proof fabric according to claim 3, wherein the modified polyester fiber is prepared by the following steps:
the method comprises the following steps: crushing polyester fibers, sieving with a 10-mesh sieve, putting the sieved polyester fiber particles into a high-pressure reaction kettle, heating to 265 ℃, and continuously heating for 1 hour to fully melt the polyester fiber particles;
step two: adding 2,2',4,4' -tetrahydroxybenzophenone and acrylic polyurethane into the reaction kettle, stirring at the speed of 120r/min for 30-60 min, and keeping the temperature at 260 ℃ in the stirring process to obtain a modified mixed solution;
step three: and (4) transferring the modified mixed solution obtained in the step two to a spinning machine for spinning, and spinning to obtain the modified polyester fiber yarn.
5. The breathable ultraviolet-proof fabric according to claim 1, characterized in that: the thickness of the cotton-flax layer and the anti-ultraviolet layer is in proportion to that of the cotton-flax layer: ultraviolet-proof layer 5: 4 to 1.
CN202110611120.5A 2021-06-01 2021-06-01 Breathable ultraviolet-proof fabric Pending CN113306229A (en)

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Application publication date: 20210827