CN113290968A - High-breathability fabric for medical protective clothing and preparation process thereof - Google Patents

High-breathability fabric for medical protective clothing and preparation process thereof Download PDF

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Publication number
CN113290968A
CN113290968A CN202110213523.4A CN202110213523A CN113290968A CN 113290968 A CN113290968 A CN 113290968A CN 202110213523 A CN202110213523 A CN 202110213523A CN 113290968 A CN113290968 A CN 113290968A
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China
Prior art keywords
fabric layer
woven fabric
water
layer
protective clothing
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Pending
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CN202110213523.4A
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Chinese (zh)
Inventor
王伟杰
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Weirong Medical Instrument Haimen Co ltd
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Weirong Medical Instrument Haimen Co ltd
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Priority to CN202110213523.4A priority Critical patent/CN113290968A/en
Publication of CN113290968A publication Critical patent/CN113290968A/en
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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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/12—Surgeons' or patients' gowns or dresses
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
    • A41D31/102—Waterproof and breathable
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A41D31/125—Moisture handling or wicking function through layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/30—Antimicrobial, e.g. antibacterial
    • A41D31/305—Antimicrobial, e.g. antibacterial using layered 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B5/022—Non-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
    • B32B5/08—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
    • 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
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • 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
    • B32B2262/0253—Polyolefin 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
    • B32B2262/02—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
    • B32B2262/14—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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • 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
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2437/00—Clothing
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties

Abstract

The invention discloses a high-permeability fabric for medical protective clothing, which sequentially comprises a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture-absorbing base fabric layer from outside to inside, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture-absorbing base fabric layer are bonded by hot pressing, the moisture-absorbing base fabric layer is a woven fabric layer formed by interweaving warp yarns and weft yarns, the warp yarns comprise 70-80% of cotton fibers and 20-30% of polyester fibers by mass, and the weft yarns comprise 40-60% of cotton fibers and 40-60% of polyester fibers by mass, and a preparation process thereof. The invention relates to the technical field of textile fabrics, and particularly provides a high-breathability fabric for medical protective clothing, which can effectively avoid the permeation of body fluid, blood and secretion of a patient and meet the requirements of ventilation and perspiration of medical workers in the wearing process, and a preparation process thereof.

Description

High-breathability fabric for medical protective clothing and preparation process thereof
Technical Field
The invention relates to the technical field of textile fabrics, in particular to a high-breathability fabric for medical protective clothing and a preparation process thereof.
Background
Medical personnel are often exposed to a variety of pathogens and each individual must wear protective clothing in full-length outfits for safety before entering the intensive care unit or laboratory. The existing medical protective clothing fabric is generally coated with a polyurethane waterproof layer on the outer surface of a base fabric to achieve the effects of liquid repellency and separation, but the fabric is poor in breathability, medical workers have strong discomfort after wearing the fabric for a long time, and the working efficiency of the medical workers is reduced.
At present, medical protective clothing is generally made of materials such as non-woven fabrics or plastic films. The conventional nonwoven fabric has poor permeation resistance although it has good air permeability due to its high porosity. In order to play a role in preventing viruses, the adopted non-woven fabric has a plurality of layers, so that the manufactured protective clothing has the defects of being thick, heavy, poor in air permeability and moisture permeability and the like, and medical workers feel stuffy and uncomfortable when wearing the protective clothing, so that the working efficiency is seriously influenced, and the health of the medical workers is harmed. The protective clothing made of the plastic film has good anti-permeability performance, but the air permeability is poor, so that medical staff or patients can feel uncomfortable with air impermeability, sweat impermeability and the like when wearing the protective clothing, and the phenomenon of dyspnea can occur in serious cases.
Disclosure of Invention
In order to overcome the defects, the invention provides the high-breathability fabric for the medical protective clothing, which can effectively avoid the permeation of body fluid, blood and secretion of a patient and meet the requirements of ventilation and perspiration of medical workers in the wearing process, and the preparation process thereof.
The invention provides the following technical scheme: the invention relates to a high-permeability fabric for medical protective clothing, which sequentially comprises a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture-absorbing base fabric layer from outside to inside, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture-absorbing base fabric layer are bonded by hot pressing, the moisture-absorbing base fabric layer is a woven fabric layer formed by interweaving warp yarns and weft yarns, the warp yarns comprise 70-80% of cotton fibers and 20-30% of polyester fibers by mass, and the weft yarns comprise 40-60% of cotton fibers and 40-60% of polyester fibers by mass.
Furthermore, the raw material of the water-repellent breathable non-woven fabric layer is polyolefin fiber.
Further, the antibacterial layer is a non-woven fabric layer containing chitin fibers.
A preparation process of a high-permeability fabric for medical protective clothing specifically comprises the following steps:
(1) preparing a water-repellent breathable non-woven fabric layer:
(a) preparing non-woven fabrics from polyolefin fibers through the steps of opening, carding, lapping, needle punching for shaping and hot rolling;
(b) carrying out heat drying treatment on the prepared non-woven fabric;
(c) heating the silicon resin to 90 ℃, and dissolving the silicon resin with butanone to obtain a butanone solution of the silicon resin;
(d) carrying out padding water-repellent finishing on the non-woven fabric subjected to the heat drying treatment by adopting a butanone solution of silicone resin, wherein the air pressure of the padding water-repellent finishing is 1.8kPa, the rolling allowance is 30-60%, and drying to obtain a water-repellent breathable non-woven fabric layer;
(2) preparing a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer, placing the antibacterial layer between the water-repellent breathable non-woven fabric layer and the moisture absorption base fabric layer, and performing hot pressing to integrate the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer.
Further, the weight ratio of the silicone resin to the butanone is (1:3) - (1: 4).
Further, the hot pressing pressure in the step (2) is 0.5-0.6MPa, and the hot pressing temperature is 125-150 ℃.
The invention with the structure has the following beneficial effects: the invention relates to a high-permeability fabric for medical protective clothing and a preparation process thereof, and the high-permeability fabric has the following advantages:
(1) the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer are subjected to hot rolling and bonding, so that the prepared fabric can effectively avoid the permeation of body fluid, blood and secretion of a patient, reduce the infection risk of medical personnel, can perspire and ventilate, enhance the wearing comfort of the medical personnel and improve the working efficiency of the medical personnel;
(2) the moisture absorption base cloth layer is cotton-polyester blended fabric, so that the strength of the fabric can be increased while the moisture absorption and the ventilation are met.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious 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:
the high-permeability fabric for the medical protective clothing comprises a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer from outside to inside in sequence, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer are bonded in a hot pressing mode, the moisture absorption base fabric layer is a woven fabric layer formed by interweaving warps and wefts, the warp raw materials comprise 70% by mass of cotton fibers and 30% by mass of polyester fibers, the weft raw materials comprise 60% by mass of cotton fibers and 40% by mass of polyester fibers, the water-repellent breathable non-woven fabric layer is made of polyolefin fibers, and the antibacterial layer is a non-woven fabric layer containing chitin fibers.
A preparation process of a high-permeability fabric for medical protective clothing specifically comprises the following steps:
(1) preparing a water-repellent breathable non-woven fabric layer:
(a) preparing non-woven fabrics from polyolefin fibers through the steps of opening, carding, lapping, needle punching for shaping and hot rolling;
(b) carrying out heat drying treatment on the prepared non-woven fabric;
(c) heating the silicon resin to 90 ℃, and dissolving the silicon resin with butanone to obtain a butanone solution of the silicon resin, wherein the weight ratio of the silicon resin to the butanone is 1: 3;
(d) carrying out padding water-repellent finishing on the non-woven fabric subjected to the heat drying treatment by adopting a butanone solution of silicone resin, wherein the air pressure of the padding water-repellent finishing is 1.8kPa, the rolling residual rate is 30%, and drying to obtain a water-repellent breathable non-woven fabric layer;
(2) preparing a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer, placing the antibacterial layer between the water-repellent breathable non-woven fabric layer and the moisture absorption base fabric layer, and performing hot pressing to integrate the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer, wherein the hot pressing pressure is 0.5-0.6MPa, and the hot pressing temperature is 125-.
Example 2:
the high-permeability fabric for the medical protective clothing comprises a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer from outside to inside in sequence, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer are bonded in a hot pressing mode, the moisture absorption base fabric layer is a woven fabric layer formed by interweaving warps and wefts, the warp raw materials comprise 80% by mass of cotton fibers and 20% by mass of polyester fibers, the weft raw materials comprise 40% by mass of cotton fibers and 60% by mass of polyester fibers, the water-repellent breathable non-woven fabric layer is made of polyolefin fibers, and the antibacterial layer is a non-woven fabric layer containing chitin fibers.
A preparation process of a high-permeability fabric for medical protective clothing specifically comprises the following steps:
(1) preparing a water-repellent breathable non-woven fabric layer:
(a) preparing non-woven fabrics from polyolefin fibers through the steps of opening, carding, lapping, needle punching for shaping and hot rolling;
(b) carrying out heat drying treatment on the prepared non-woven fabric;
(c) heating the silicon resin to 90 ℃, and dissolving the silicon resin with butanone to obtain a butanone solution of the silicon resin, wherein the weight ratio of the silicon resin to the butanone is 2: 7;
(d) carrying out padding water-repellent finishing on the non-woven fabric subjected to the heat drying treatment by adopting a butanone solution of silicone resin, wherein the air pressure of the padding water-repellent finishing is 1.8kPa, the rolling residual rate is 45%, and drying to obtain a water-repellent breathable non-woven fabric layer;
(2) preparing a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer, placing the antibacterial layer between the water-repellent breathable non-woven fabric layer and the moisture absorption base fabric layer, and performing hot pressing to integrate the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer, wherein the hot pressing pressure is 0.5-0.6MPa, and the hot pressing temperature is 125-.
Example 3:
the high-permeability fabric for the medical protective clothing comprises a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer from outside to inside in sequence, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer are bonded in a hot pressing mode, the moisture absorption base fabric layer is a woven fabric layer formed by interweaving warp yarns and weft yarns, the warp yarns comprise 75% by mass of cotton fibers and 25% by mass of polyester fibers, the weft yarns comprise 50% by mass of cotton fibers and 50% by mass of polyester fibers, the water-repellent breathable non-woven fabric layer is made of polyolefin fibers, and the antibacterial layer is a non-woven fabric layer containing chitin fibers.
A preparation process of a high-permeability fabric for medical protective clothing specifically comprises the following steps:
(1) preparing a water-repellent breathable non-woven fabric layer:
(a) preparing non-woven fabrics from polyolefin fibers through the steps of opening, carding, lapping, needle punching for shaping and hot rolling;
(b) carrying out heat drying treatment on the prepared non-woven fabric;
(c) heating the silicon resin to 90 ℃, and dissolving the silicon resin with butanone to obtain a butanone solution of the silicon resin, wherein the weight ratio of the silicon resin to the butanone is 1: 4;
(d) carrying out padding water-repellent finishing on the non-woven fabric subjected to the heat drying treatment by adopting a butanone solution of silicone resin, wherein the air pressure of the padding water-repellent finishing is 1.8kPa, the rolling residual rate is 60%, and drying to obtain a water-repellent breathable non-woven fabric layer;
(2) preparing a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer, placing the antibacterial layer between the water-repellent breathable non-woven fabric layer and the moisture absorption base fabric layer, and performing hot pressing to integrate the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer, wherein the hot pressing pressure is 0.5-0.6MPa, and the hot pressing temperature is 125-.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The high-permeability fabric for the medical protective clothing is characterized by comprising a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer from outside to inside in sequence, wherein the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer are bonded through hot pressing, the moisture absorption base fabric layer is a woven fabric layer formed by interweaving warp yarns and weft yarns, the warp yarn raw materials comprise 70-80% by mass of cotton fibers and 20-30% by mass of polyester fibers, and the weft yarn raw materials comprise 40-60% by mass of cotton fibers and 40-60% by mass of polyester fibers.
2. The high-breathability fabric for medical protective clothing according to claim 1, wherein the raw material of the water-repellent breathable non-woven fabric layer is polyolefin fibers.
3. The high-breathability fabric for medical protective clothing according to claim 1, wherein the antibacterial layer is a non-woven fabric layer containing chitin fibers.
4. A production method of a high-permeability fabric for medical protective clothing is characterized by comprising the following steps:
(1) preparing a water-repellent breathable non-woven fabric layer:
(a) preparing non-woven fabrics from polyolefin fibers through the steps of opening, carding, lapping, needle punching for shaping and hot rolling;
(b) carrying out heat drying treatment on the prepared non-woven fabric;
(c) heating the silicon resin to 90 ℃, and dissolving the silicon resin with butanone to obtain a butanone solution of the silicon resin;
(d) carrying out padding water-repellent finishing on the non-woven fabric subjected to the heat drying treatment by adopting a butanone solution of silicone resin, wherein the air pressure of the padding water-repellent finishing is 1.8kPa, the rolling allowance is 30-60%, and drying to obtain a water-repellent breathable non-woven fabric layer;
(2) preparing a water-repellent breathable non-woven fabric layer, an antibacterial layer and a moisture absorption base fabric layer, placing the antibacterial layer between the water-repellent breathable non-woven fabric layer and the moisture absorption base fabric layer, and performing hot pressing to integrate the water-repellent breathable non-woven fabric layer, the antibacterial layer and the moisture absorption base fabric layer.
5. The high-breathability fabric for medical protective clothing and the production method of the high-breathability fabric are characterized in that the weight ratio of the silicone resin to the butanone is (1:3) - (1: 4).
6. The fabric with high air permeability for medical protective clothing and the production method as claimed in claim 4, wherein the hot pressing pressure in step (2) is 0.5-0.6MPa, and the hot pressing temperature is 125-150 ℃.
CN202110213523.4A 2021-02-25 2021-02-25 High-breathability fabric for medical protective clothing and preparation process thereof Pending CN113290968A (en)

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