CN111941986A - Medical composite material - Google Patents

Medical composite material Download PDF

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Publication number
CN111941986A
CN111941986A CN202010800792.6A CN202010800792A CN111941986A CN 111941986 A CN111941986 A CN 111941986A CN 202010800792 A CN202010800792 A CN 202010800792A CN 111941986 A CN111941986 A CN 111941986A
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CN
China
Prior art keywords
protective layer
fiber
fibers
fabric
medical composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010800792.6A
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Chinese (zh)
Inventor
王士华
杨宇民
夏燕茂
潘虹
严成
王庆龙
胡珊珊
王欢
陶明东
洪成平
柳玮
王玉萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu New Vision Advanced Functional Fiber Innovation Center Co ltd
Jiangsu Aoshen Hi Tech Materials Co ltd
Nantong University
Original Assignee
Jiangsu New Vision Advanced Functional Fiber Innovation Center Co ltd
Jiangsu Aoshen Hi Tech Materials Co ltd
Nantong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu New Vision Advanced Functional Fiber Innovation Center Co ltd, Jiangsu Aoshen Hi Tech Materials Co ltd, Nantong University filed Critical Jiangsu New Vision Advanced Functional Fiber Innovation Center Co ltd
Priority to CN202010800792.6A priority Critical patent/CN111941986A/en
Publication of CN111941986A publication Critical patent/CN111941986A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • A41D31/02—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
    • A41D31/06—Thermally protective, e.g. insulating
    • A41D31/065—Thermally protective, e.g. insulating using 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
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using 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
    • A41D31/10—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
    • A41D31/26—Electrically protective, e.g. preventing static electricity or electric shock
    • A41D31/265—Electrically protective, e.g. preventing static electricity or electric shock using 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/024—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
    • B32B5/026—Knitted 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • 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
    • 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
    • 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
    • B32B2262/14—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
    • B32B2437/00—Clothing

Abstract

The invention relates to the technical field of medical products, in particular to a medical composite material. The protective layer comprises an isolation layer, a protective layer and a protective layer which are sequentially arranged, wherein the lower surface of the isolation layer is connected with the upper surface of the protective layer, and the lower surface of the protective layer is connected with the upper surface of the protective layer; the isolation layer is a PTFE film, the protective layer is a moisture absorption and sweat releasing fiber non-woven fabric, and the protective layer is a polyimide fiber blended fabric. The isolating layer adopts the microporous membrane with the fluorine-containing nanofiber structure, has higher water pressure resistance and better moisture permeability than the conventional coating product, and can isolate various micro viruses. The protective layer of the invention is made of moisture absorption and sweat releasing fiber non-woven fabric, has good sweat absorption and ensures the comfort of use. The protective layer of the invention is made of polyimide fiber blended fabric, which not only has stronger air permeability, but also has the functions of flame retardance, static resistance, bacteriostasis, warm keeping and the like, and has soft hand feeling and comfortable wearing.

Description

Medical composite material
Technical Field
The invention relates to the technical field of medical products, in particular to a medical composite material.
Background
Medical workers are people who directly talk with bacteria and viruses, various germs exist in the working environment of the medical workers, the medical workers often contact body fluid or blood of patients, the health of the medical workers is often threatened, and the medical workers have to wear protective clothing to prevent infection.
With the development of science and technology, the application range of a large number of synthetic fibers and film technologies in the field of medical textile materials is further expanded, wherein the polyimide fiber is a novel high-performance fiber, belongs to a non-combustible fiber, has excellent flame retardance, is carbonized in the presence of high-temperature open fire without melting drops, has extremely low smoke quantity and no toxicity, and has excellent skin-friendly property, antibacterial property, far infrared health-care function and other properties, and can show huge vitality in the development of the medical textile materials.
Generally used medical protective clothing has the advantages that in order to achieve the effect of virus prevention, the used fabric is large in number of layers, thick and poor in breathability and moisture permeability, medical workers are thick and heavy to wear, and the work efficiency of the medical workers is seriously affected due to the fact that the medical workers are hot and stuffy. To this end, through the mode of function after-treatment, increase the functional of protective clothing surface fabric and reduce the number of piles of surface fabric, but this kind of chemical mode is handled, has chemical article to remain, can endanger medical personnel's healthy when serious. Generally, most of the medical protective clothing used at present is disposable medical protective clothing, and the medical protective clothing must be discarded immediately after use, so that the medical protective clothing not only causes great pollution to the environment, but also has high cost and increases the treatment cost.
Therefore, how to provide a reusable protective clothing fabric with multiple functions, especially with moisture permeability, air permeability, permeability resistance and antibacterial functions, is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a medical composite material which is reasonable in structure and can be repeatedly used, aiming at the defects of the prior art, and the medical composite material has the characteristics of flame retardance, water resistance, air permeability, static resistance, environmental protection, bacteria resistance, wearing comfort and the like.
The technical problem to be solved by the invention is realized by the following technical scheme, and the medical composite material is characterized in that: the protective layer, the isolation layer and the protective layer are sequentially arranged, wherein the lower surface of the protective layer is connected with the upper surface of the isolation layer, and the lower surface of the isolation layer is connected with the upper surface of the protective layer;
the protective layer is a moisture-absorbing and sweat-releasing fiber non-woven fabric, the isolation layer is a PTFE film, the aperture is 10-200 nm, the thickness is 0.01-0.03 mm, the protective layer is a polyimide fiber blended fabric, and the polyimide fiber blended fabric is a woven or knitted single-sided thin fabric or mesh fabric which is made by blending polyimide fibers and cellulose fibers or protein fibers.
The technical problem to be solved by the invention can be further realized by adopting the following technical scheme that the moisture-absorbing and sweat-releasing fiber non-woven fabric is a jet-melt spun polypropylene fiber non-woven fabric or a polyester spunlace non-woven fabric with an irregular cross section.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a plurality of conductive fibers are embedded and woven in the polyimide fiber blended fabric, and the conductive fibers are selected from one or more of stainless steel fibers, copper fibers, aluminum fibers, carbon fibers and organic conductive fibers.
The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein the cellulose fiber is selected from one or more of cotton fiber, viscose fiber, tencel fiber or modal fiber; the protein fiber is selected from one or more of silk, spun silk and soybean fiber.
The technical problem to be solved by the invention can be further realized by the following technical scheme, the distance between the conductive fibers is 0.3 cm-3 cm, and the conductive fibers are embedded and woven according to the proportion of 3% -8% of the total mass of the fabric fibers.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the polyimide fiber accounts for more than or equal to 30% of the total mass of the fabric fiber.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the protective layer, the isolation layer and the protective layer are directly attached by solvent-based adhesives or laminated and compounded by adopting hot melt adhesive films as adhesives or hot-pressed and compounded by adopting hot melt adhesives.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and the thickness of the composite material is 0.4-0.8 mm.
Compared with the prior art, the invention has the following beneficial effects:
(1) the isolating layer adopts the microporous membrane with the fluorine-containing nanofiber structure, has higher water pressure resistance and better moisture permeability than the conventional coating product, and can isolate various micro viruses.
(2) The protective layer of the invention is made of moisture absorption and sweat releasing fiber non-woven fabric, has good sweat absorption and ensures the comfort of use.
(3) The protective layer of the invention is made of polyimide fiber blended fabric, which not only has stronger air permeability, but also has the functions of flame retardance, static resistance, bacteriostasis, warm keeping and the like, and has soft hand feeling and comfortable wearing.
Detailed Description
The following further describes particular embodiments of the present invention to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Example 1, a medical composite material,
the protective layer, the isolation layer and the protective layer are sequentially arranged, wherein the lower surface of the protective layer is connected with the upper surface of the isolation layer, and the lower surface of the isolation layer is connected with the upper surface of the protective layer; the protective layer, the isolation layer and the protective layer are directly adhered by solvent type adhesive selected from acrylate, polyurethane, polyamide, organosilicon, ethylene-vinyl acetate or polyester, and the dosage is 5g/m2。
The protective layer is a moisture-absorbing and sweat-releasing fiber non-woven fabric, the isolation layer is a PTFE film, the aperture is 10nm, the thickness is 0.01 mm, the protective layer is a polyimide fiber blended fabric, and the polyimide fiber blended fabric is a woven or knitted single-sided thin fabric or mesh fabric which is made by blending polyimide fibers and cellulose fibers or protein fibers.
The moisture-absorbing and sweat-releasing fiber non-woven fabric is a spray-melt spun polypropylene fiber non-woven fabric.
A plurality of conductive fibers are embedded in the polyimide fiber blended fabric, and the conductive fibers are selected from stainless steel fibers and copper fibers.
The cellulose fibers are selected from cotton fibers and viscose fibers.
The protein fiber is selected from silk and spun silk.
The distance between the conductive fibers is 0.3 cm, and the conductive fibers are embedded and woven according to the proportion of 3% of the total mass of the fabric fibers.
The polyimide fiber accounts for 30% of the total mass of the fabric fiber.
The thickness of the composite material is 0.4 mm.
Example 2, a medical composite material,
the protective layer, the isolation layer and the protective layer are sequentially arranged, wherein the lower surface of the protective layer is connected with the upper surface of the isolation layer, and the lower surface of the isolation layer is connected with the upper surface of the protective layer; hot-pressing and compounding the protective layer, the isolation layer and the protective layer by hot melt adhesive.
The protective layer is a moisture-absorbing and sweat-releasing fiber non-woven fabric, the isolation layer is a PTFE film, the aperture is 200nm, the thickness is 0.03mm, the protective layer is a polyimide fiber blended fabric, and the polyimide fiber blended fabric is a woven or knitted single-sided thin fabric or mesh fabric which is made by blending polyimide fibers and cellulose fibers or protein fibers.
The moisture absorption and sweat releasing fiber non-woven fabric is a polyester spunlace non-woven fabric with a special-shaped cross section.
A plurality of conductive fibers are embedded in the polyimide fiber blended fabric, and the conductive fibers are selected from aluminum fibers.
The cellulose fibers are selected from tencel fibers; the protein fiber is selected from soybean fiber.
The distance between the conductive fibers is 3cm, and the conductive fibers are embedded and woven according to the proportion of 8% of the total mass of the fabric fibers.
The polyimide fiber accounts for more than 30% of the total mass of the fabric fiber.
The thickness of the composite material is 0.8 mm.
Example 3, a medical composite material,
the protective layer, the isolation layer and the protective layer are sequentially arranged, wherein the lower surface of the protective layer is connected with the upper surface of the isolation layer, and the lower surface of the isolation layer is connected with the upper surface of the protective layer; the protective layer, the isolation layer and the protective layer are laminated and compounded by adopting a hot melt adhesive film as an adhesive.
The protective layer is a moisture-absorbing and sweat-releasing fiber non-woven fabric, the isolation layer is a PTFE film, the aperture is 100nm, the thickness is 0.02mm, the protective layer is a polyimide fiber blended fabric, and the polyimide fiber blended fabric is a woven or knitted single-sided thin fabric or mesh fabric which is made by blending polyimide fibers and cellulose fibers or protein fibers.
The moisture-absorbing and sweat-releasing fiber non-woven fabric is a spray-melt spun polypropylene fiber non-woven fabric.
A plurality of conductive fibers are embedded in the polyimide fiber blended fabric, and the conductive fibers are selected from copper fibers, carbon fibers and organic conductive fibers.
The cellulose fibers are selected from cotton fibers, viscose fibers and modal fibers; the protein fiber is selected from silk, spun silk and soybean fiber.
The distance between the conductive fibers is 1.4cm, and the conductive fibers are embedded and woven according to the proportion of 6% of the total mass of the fabric fibers.
The polyimide fiber accounts for more than 30% of the total mass of the fabric fiber.
The thickness of the composite material is 0.6 mm.
The medical composite material prepared by the invention has the following relevant performance indexes:
Figure DEST_PATH_IMAGE002A
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Claims (8)

1. a medical composite characterized by: the protective layer, the isolation layer and the protective layer are sequentially arranged, wherein the lower surface of the protective layer is connected with the upper surface of the isolation layer, and the lower surface of the isolation layer is connected with the upper surface of the protective layer;
the protective layer is a moisture-absorbing and sweat-releasing fiber non-woven fabric, the isolation layer is a PTFE film, the aperture is 10-200 nm, the thickness is 0.01-0.03 mm, the protective layer is a polyimide fiber blended fabric, and the polyimide fiber blended fabric is a woven or knitted single-sided thin fabric or mesh fabric which is made by blending polyimide fibers and cellulose fibers or protein fibers.
2. The medical composite according to claim 1, characterized in that: the moisture-absorbing and sweat-releasing fiber non-woven fabric is a spray-melt spun polypropylene fiber non-woven fabric or a polyester spunlace non-woven fabric with a special-shaped cross section.
3. The medical composite according to claim 1, characterized in that: the polyimide fiber blended fabric is embedded with a plurality of conductive fibers, and the conductive fibers are selected from one or more of stainless steel fibers, copper fibers, aluminum fibers, carbon fibers and organic conductive fibers.
4. The medical composite according to claim 3, characterized in that: the cellulose fiber is selected from one or more of cotton fiber, viscose fiber, tencel fiber or modal fiber; the protein fiber is selected from one or more of silk, spun silk and soybean fiber.
5. The medical composite according to claim 4, characterized in that: the distance between the conductive fibers is 0.3 cm-3 cm, and the conductive fibers are embedded and woven according to the proportion of 3% -8% of the total mass of the fabric fibers.
6. The medical composite according to claim 1, characterized in that: the polyimide fiber accounts for more than or equal to 30% of the total mass of the fabric fiber.
7. The medical composite according to claim 1, characterized in that: the protective layer, the isolation layer and the protective layer are directly bonded by solvent adhesives or laminated and compounded by adopting hot melt adhesive films as adhesives or hot-pressed and compounded by adopting hot melt adhesives.
8. The medical composite according to claim 1, characterized in that: the thickness of the composite material is 0.4 mm-0.8 mm.
CN202010800792.6A 2020-08-11 2020-08-11 Medical composite material Pending CN111941986A (en)

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CN112571907A (en) * 2020-12-03 2021-03-30 安徽嘉明新材料科技有限公司 TPU waterproof moisture permeable barrier film for medical protective clothing
CN112721361A (en) * 2020-12-14 2021-04-30 江苏奥神新材料股份有限公司 Polyimide fiber repeatable medical protective clothing material and preparation method thereof
CN113291006A (en) * 2021-04-19 2021-08-24 浙江蓝天海纺织服饰科技有限公司 Flame-retardant washable virus isolation fabric

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CN203427385U (en) * 2013-07-25 2014-02-12 郑华娟 Medical fabric
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112571907A (en) * 2020-12-03 2021-03-30 安徽嘉明新材料科技有限公司 TPU waterproof moisture permeable barrier film for medical protective clothing
CN112721361A (en) * 2020-12-14 2021-04-30 江苏奥神新材料股份有限公司 Polyimide fiber repeatable medical protective clothing material and preparation method thereof
CN113291006A (en) * 2021-04-19 2021-08-24 浙江蓝天海纺织服饰科技有限公司 Flame-retardant washable virus isolation fabric

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