CN110201211A - A kind of medical bandage and preparation method thereof - Google Patents

A kind of medical bandage and preparation method thereof Download PDF

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Publication number
CN110201211A
CN110201211A CN201910412394.4A CN201910412394A CN110201211A CN 110201211 A CN110201211 A CN 110201211A CN 201910412394 A CN201910412394 A CN 201910412394A CN 110201211 A CN110201211 A CN 110201211A
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CN
China
Prior art keywords
woven fabrics
parts
endosexine
extexine
carrying roller
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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
CN201910412394.4A
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Chinese (zh)
Inventor
王丽
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Anhui Colin Medical Products Technology Co Ltd
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Anhui Colin Medical Products Technology Co Ltd
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Application filed by Anhui Colin Medical Products Technology Co Ltd filed Critical Anhui Colin Medical Products Technology Co Ltd
Priority to CN201910412394.4A priority Critical patent/CN110201211A/en
Publication of CN110201211A publication Critical patent/CN110201211A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28Polysaccharides or their derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/40Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/46Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • B32B5/022Non-woven fabric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • B32B5/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/22Layered 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
    • B32B5/24Layered 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
    • B32B5/26Layered 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/20Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
    • A61L2300/30Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/404Biocides, antimicrobial agents, antiseptic agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/022 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0253Polyolefin fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06Vegetal fibres
    • B32B2262/062Cellulose fibres, e.g. cotton
    • B32B2262/065Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14Mixture of at least two fibres made of different materials

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Botany (AREA)
  • Zoology (AREA)
  • Textile Engineering (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The present invention provides a kind of medical bandage and preparation method thereof, and the medical bandage includes extexine, endosexine;The extexine is the non-woven fabrics of flaxen fiber and the production of acrylic resin fiber, and the endosexine is the non-woven fabrics of chitin fiber production;The extexine, endosexine prepare to be formed using spun-bond process, are compounded to form between the extexine, endosexine using spun lacing method.The production method of the medical bandage, includes the following steps: step 1, and volume is made in extexine non-woven fabrics and endosexine nonwoven fabric roll;Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are subjected to carrying roller pressing;Step 3, the two-layer nonwoven after pressing is subjected to spun lacing and is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream puncture is carried out to non-woven fabrics;Step 4, the non-woven fabrics after compound is dried by drying box.The present invention is good with adhesive bandage, and fiber will not cause to damage to wound.

Description

A kind of medical bandage and preparation method thereof
Technical field
The invention belongs to health care product technical field, especially a kind of medical bandage and preparation method thereof.
Background technique
Bandage is a kind of material to fix and protect operation or injury, is a kind of common medical supplies.It is taut The environment that it can be promoted to heal is provided for wound with wrapping, protection wound prevents the pollution of the environment, and prevents exterior materials pair Wound causes tissue damage, and fixed edge of wound provides pressure to be closed dead space, and reduce oedema and bleeding.
Existing bandage is that gauze or cotton are made, and after being bound up a wound with it, effect is single, and wound is restoring It is easy the infection by external bacterium in the process, causes speed of wound healing slow, especially in summer, after bandage covers wound, It is easy to cause wound inflammation.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of medical bandage and preparation method thereof is provided.
To achieve the goals above, the present invention is achieved by the following scheme:
A kind of medical bandage, including extexine, endosexine;The extexine is that flaxen fiber and acrylic resin fiber make Non-woven fabrics, the endosexine be chitin fiber production non-woven fabrics;
The extexine, endosexine prepare to be formed using spun-bond process, between the extexine, endosexine using spun lacing method into Row is compounded to form.
The chitin fiber includes following parts by weight of component: 45-50 parts of chitosan, 20-30 parts of thermoplastic polyurethane, 5-8 parts of linear low density polyethylene, 2-3 parts of nano-silver ionic powder, 1-3 parts of crosslinking agent, grafting auxiliary agent 1-2 parts, processing aid 1-2 parts, and prepared by following steps:
Step 1) raw material preparation: by chitosan, thermoplastic polyurethane, linear low density polyethylene, nano-silver ionic powder, After crosslinking agent, processing aid are sufficiently mixed in proportion, mixing unit mixing, which is granulated, is made raw material pellet, mixer prilling temperature 150 DEG C, mixing time 30min, 120 DEG C of pelletizer prilling temperature;
The preparation of step 2) fiber: after obtained pellet is sufficiently stirred, grafting auxiliary agent is added and carries out graft modification, is sufficiently mixed Afterwards in double screw extruder wire drawing, chitin fiber is made.
Further, the crosslinking agent is selected from ethylene glycol dimethacrylate, hexamethylene diisocyanate, toluene two At least one of isocyanates.
Further, the grafting auxiliary agent is at least one of phthalic anhydride and maleic anhydride.
Further, the processing aid be one of low molecule esters stearic acid and pentaerythritol stearate or Several mixtures.
The production method of the medical bandage, includes the following steps:
Step 1, extexine non-woven fabrics and endosexine non-woven fabrics are made using spun-bond process, by extexine non-woven fabrics and endosexine Volume is made in nonwoven fabric roll;
Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are arranged up and down, extexine non-woven fabrics and endosexine non-woven fabrics Carrying roller pressing is carried out, extexine non-woven fabrics and endosexine non-woven fabrics form the two-layer nonwoven A of stitching state after pressing;
Step 3, the two-layer nonwoven A after pressing is passed through to the high pressure water flow of spun lacing system of processing, two-layer nonwoven A is carried out Spun lacing is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream is carried out to non-woven fabrics It punctures;Obtain it is compound after non-woven fabrics B;
Step 4, the non-woven fabrics B after compound is dried by drying box, and it is coiled to carry out coiled strip after drying, is carried out after coiled strip cutting Sterilization packs after sterilization and medical bandage is made.
Further, the grammes per square metre of the extexine non-woven fabrics is 60g/ square metres, and the grammes per square metre of the endosexine non-woven fabrics is 80g/ square metres.
Further, the water flow pressure of spun lacing is 4-4.5Mpa in step 3.
Further, the Chinese medicine liquid is made of following steps:
Step 1) chooses raw material, removes impurity removing, the raw material includes following parts by weight component: 25-30 parts of tinea grass, leaf of negundo chastetree 8-10 parts, 12-15 parts of geranium wilfordii, 8-15 parts of tinosporae, 20-25 parts of an inveterate smoker millet, 15-18 parts of piper cubeba, white backleaf mallotus root 12-15 Part, 3-5 parts of wandering jew, 5-8 parts of Scabrous Mosla Herb, 15-20 parts of clover, 25-30 parts of rotten foot grass, 20-25 parts of honeysuckle, saururus chinensis 15-20 parts, 10-20 parts of cayropteris incana;
Each raw material is milled by step 2), and partial size is less than 0.5mm after milling;Then by the raw material after milling according to the ratio into Row is sufficiently mixed, and mixture A is made;
The water of 5 times of quality is added in mixed mixture A by step 3), is cooked, and is boiled to boiling 30 minutes, filtering Obtain Chinese medicine liquid.
The spun lacing system of processing, including pressing carrying roller, the first carrying roller, second roller, third carrying roller, the 4th carrying roller, Drying box, defeated lace curtaining, water receiving tank, water jet, extruding drum, catch basin, water pump;
The pressing carrying roller is equipped with 2 rollers being oppositely arranged, for squeezing the non-woven fabrics passed through between roller;
First carrying roller, second roller, third carrying roller, the 4th carrying roller are externally provided with defeated lace curtaining, first carrying roller, second Carrying roller is located at the top of third carrying roller, the 4th carrying roller, first carrying roller, second roller, third carrying roller, the 4th carrying roller and defeated net Curtain group quadrangularly, the defeated lace curtaining are used to support the non-woven fabrics being positioned above;
The water jet is located at the top of defeated lace curtaining, and the water jet is for spraying high pressure water flow;
Water receiving tank, the water receiving tank are located at below water jet, and the water receiving tank is used to recycle the water flow punctured;
The extruding drum is located at the side of second roller, and the extruding drum is equipped with 2 rollers being oppositely arranged, is used for The compound non-woven fabrics of spun lacing is compressed;
The water receiving tank is connected by water pipe with catch basin, and the water inlet of the water pump is connected by water pipe with catch basin, The water outlet of the water pump is connected by water pipe with water jet;
The side of extruding drum is arranged in the drying box, is equipped with the 5th carrying roller in the drying box, the drying box Inner wall is equipped with heater strip, is equipped with transfer roller below the drying box;The drying box is for drying the non-woven fabrics after spun lacing.
Further, the water inlet of the water pump is connected with filter.
In the present invention, medical bandage uses double-layer structure, and outer surface is made of flaxen fiber and acrylic resin fiber Non-woven fabrics so that vent canopy is good, and has larger intensity;Endosexine uses the non-woven fabrics of chitin fiber production, with wound Mouth stickiness is good, and fiber will not cause to damage to wound;It is compound using Chinese medicine liquid progress spun lacing, so that containing Chinese medicine in non-woven fabrics Ingredient can sterilize to wound;And two-layer compound is good, is not in layering;Chinese medicine liquid is passed through into high-pressure water-jet Mode sprays non-woven fabrics, and the high pressure water flow with traditional Chinese medicine ingredients passes through non-woven fabrics and repeatedly rebound shock, so that Chinese medicine Ingredient is able to enter between fiber, makes to gather more traditional Chinese medicine ingredients in bandage, so that lasting medicine.
Detailed description of the invention:
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing:
Fig. 1 is the schematic diagram of spun lacing system of processing provided by the invention.
Figure label explanation: 1- pressing carrying roller, the first carrying roller of 2-, 3- second roller, 4- third carrying roller, the 4th carrying roller of 5-, 6- drying box, the defeated lace curtaining of 7-, 8- water receiving tank, 9- water jet, 10- extruding drum, 11- catch basin, 12- water pump, the 5th support of 61- Roller, 62- heater strip, 63- transfer roller.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear Chu-is fully described by, it is clear that described embodiment is only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts Every other embodiment, shall fall within the protection scope of the present invention.
All raw materials in the present invention, are not particularly limited its source, buying on the market or according to this field skill The preparation of conventional method known to art personnel.
Embodiment 1:
A kind of medical bandage, including extexine, endosexine;The extexine is that flaxen fiber and acrylic resin fiber make Non-woven fabrics, the endosexine be chitin fiber production non-woven fabrics;
The extexine, endosexine prepare to be formed using spun-bond process, between the extexine, endosexine using spun lacing method into Row is compounded to form;
The chitin fiber includes following parts by weight of component: 45 parts of chitosan, 25 parts of thermoplastic polyurethane, linear low 8 parts of density polyethylene, 2 parts of nano-silver ionic powder, 2 parts of crosslinking agent, grafting 2 parts of auxiliary agent, 1 part of processing aid, and by following Step preparation:
Step 1) raw material preparation: by chitosan, thermoplastic polyurethane, linear low density polyethylene, nano-silver ionic powder, After crosslinking agent, processing aid are sufficiently mixed in proportion, mixing unit mixing, which is granulated, is made raw material pellet, mixer prilling temperature 150 DEG C, mixing time 30min, 120 DEG C of pelletizer prilling temperature;
The preparation of step 2) fiber: after obtained pellet is sufficiently stirred, grafting auxiliary agent is added and carries out graft modification, is sufficiently mixed Afterwards in double screw extruder wire drawing, chitin fiber is made;
The crosslinking agent uses ethylene glycol dimethacrylate;The grafting auxiliary agent uses phthalic anhydride;It is described Processing aid use low molecule esters stearic acid.
The production method of the medical bandage, includes the following steps:
Step 1, extexine non-woven fabrics and endosexine non-woven fabrics are made using spun-bond process, by extexine non-woven fabrics and endosexine Volume is made in nonwoven fabric roll;
Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are arranged up and down, extexine non-woven fabrics and endosexine non-woven fabrics Carrying roller pressing is carried out, extexine non-woven fabrics and endosexine non-woven fabrics form the two-layer nonwoven A of stitching state after pressing;
Step 3, the two-layer nonwoven A after pressing is passed through to the high pressure water flow of spun lacing system of processing, two-layer nonwoven A is carried out Spun lacing is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream is carried out to non-woven fabrics It punctures;Obtain it is compound after non-woven fabrics B;The water flow pressure of spun lacing is 4Mpa;
Step 4, the non-woven fabrics B after compound is dried by drying box, and it is coiled to carry out coiled strip after drying, is carried out after coiled strip cutting Sterilization packs after sterilization and medical bandage is made.
Specifically, the grammes per square metre of the extexine non-woven fabrics is 60g/ square metres, the grammes per square metre of the endosexine non-woven fabrics is 80g/ square metres.
The Chinese medicine liquid is made of following steps:
Step 1) chooses raw material, removes impurity removing, the raw material includes following parts by weight component: tinea grass 25 parts, leaf of negundo chastetree 9 Part, 15 parts of geranium wilfordii, 8 parts of tinosporae, 22 parts of an inveterate smoker millet, 18 parts of piper cubeba, 12 parts of white backleaf mallotus root, 4 parts of wandering jew, Scabrous Mosla Herb 8 parts, 15 parts of clover, rotten foot careless 28 parts, 25 parts of honeysuckle, 15 parts of saururus chinensis, 18 parts of cayropteris incana;
Each raw material is milled by step 2), and partial size is less than 0.5mm after milling;Then by the raw material after milling according to the ratio into Row is sufficiently mixed, and mixture A is made;
The water of 5 times of quality is added in mixed mixture A by step 3), is cooked, and is boiled to boiling 30 minutes, filtering Obtain Chinese medicine liquid.
Embodiment 2:
A kind of medical bandage, including extexine, endosexine;The extexine is that flaxen fiber and acrylic resin fiber make Non-woven fabrics, the endosexine be chitin fiber production non-woven fabrics;
The extexine, endosexine prepare to be formed using spun-bond process, between the extexine, endosexine using spun lacing method into Row is compounded to form;
The chitin fiber includes following parts by weight of component: 48 parts of chitosan, 30 parts of thermoplastic polyurethane, linear low 5 parts of density polyethylene, 2.4 parts of nano-silver ionic powder, 3 parts of crosslinking agent, grafting 1 part of auxiliary agent, 1.5 parts of processing aid, and pass through Following steps preparation:
Step 1) raw material preparation: by chitosan, thermoplastic polyurethane, linear low density polyethylene, nano-silver ionic powder, After crosslinking agent, processing aid are sufficiently mixed in proportion, mixing unit mixing, which is granulated, is made raw material pellet, mixer prilling temperature 150 DEG C, mixing time 30min, 120 DEG C of pelletizer prilling temperature;
The preparation of step 2) fiber: after obtained pellet is sufficiently stirred, grafting auxiliary agent is added and carries out graft modification, is sufficiently mixed Afterwards in double screw extruder wire drawing, chitin fiber is made;
The crosslinking agent uses hexamethylene diisocyanate;The grafting auxiliary agent is maleic anhydride;The processing aid For pentaerythritol stearate.
The production method of the medical bandage, includes the following steps:
Step 1, extexine non-woven fabrics and endosexine non-woven fabrics are made using spun-bond process, by extexine non-woven fabrics and endosexine Volume is made in nonwoven fabric roll;
Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are arranged up and down, extexine non-woven fabrics and endosexine non-woven fabrics Carrying roller pressing is carried out, extexine non-woven fabrics and endosexine non-woven fabrics form the two-layer nonwoven A of stitching state after pressing;
Step 3, the two-layer nonwoven A after pressing is passed through to the high pressure water flow of spun lacing system of processing, two-layer nonwoven A is carried out Spun lacing is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream is carried out to non-woven fabrics It punctures;Obtain it is compound after non-woven fabrics B;The water flow pressure of spun lacing is 4.2Mpa;
Step 4, the non-woven fabrics B after compound is dried by drying box, and it is coiled to carry out coiled strip after drying, is carried out after coiled strip cutting Sterilization packs after sterilization and medical bandage is made.
Specifically, the grammes per square metre of the extexine non-woven fabrics is 60g/ square metres, the grammes per square metre of the endosexine non-woven fabrics is 80g/ square metres.
The Chinese medicine liquid is made of following steps:
Step 1) chooses raw material, removes impurity removing, the raw material includes following parts by weight component: tinea grass 28 parts, leaf of negundo chastetree 10 Part, 12 parts of geranium wilfordii, 12 parts of tinosporae, 25 parts of an inveterate smoker millet, 15 parts of piper cubeba, 13 parts of white backleaf mallotus root, 5 parts of wandering jew, Shi Ji 5 parts of ramie, 16 parts of clover, rotten foot careless 30 parts, 20 parts of honeysuckle, 18 parts of saururus chinensis, 20 parts of cayropteris incana;
Each raw material is milled by step 2), and partial size is less than 0.5mm after milling;Then by the raw material after milling according to the ratio into Row is sufficiently mixed, and mixture A is made;
The water of 5 times of quality is added in mixed mixture A by step 3), is cooked, and is boiled to boiling 30 minutes, filtering Obtain Chinese medicine liquid.
Embodiment 3:
A kind of medical bandage, including extexine, endosexine;The extexine is that flaxen fiber and acrylic resin fiber make Non-woven fabrics, the endosexine be chitin fiber production non-woven fabrics;
The extexine, endosexine prepare to be formed using spun-bond process, between the extexine, endosexine using spun lacing method into Row is compounded to form;
The chitin fiber includes following parts by weight of component: 50 parts of chitosan, 20 parts of thermoplastic polyurethane, linear low 6 parts of density polyethylene, 3 parts of nano-silver ionic powder, 1 part of crosslinking agent, grafting 1.5 parts of auxiliary agent, 2 parts of processing aid, and by with Lower step preparation:
Step 1) raw material preparation: by chitosan, thermoplastic polyurethane, linear low density polyethylene, nano-silver ionic powder, After crosslinking agent, processing aid are sufficiently mixed in proportion, mixing unit mixing, which is granulated, is made raw material pellet, mixer prilling temperature 150 DEG C, mixing time 30min, 120 DEG C of pelletizer prilling temperature;
The preparation of step 2) fiber: after obtained pellet is sufficiently stirred, grafting auxiliary agent is added and carries out graft modification, is sufficiently mixed Afterwards in double screw extruder wire drawing, chitin fiber is made;
The crosslinking agent is toluene di-isocyanate(TDI);The grafting auxiliary agent is phthalic anhydride;The processing aid For pentaerythritol stearate.
The production method of the medical bandage, includes the following steps:
Step 1, extexine non-woven fabrics and endosexine non-woven fabrics are made using spun-bond process, by extexine non-woven fabrics and endosexine Volume is made in nonwoven fabric roll;
Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are arranged up and down, extexine non-woven fabrics and endosexine non-woven fabrics Carrying roller pressing is carried out, extexine non-woven fabrics and endosexine non-woven fabrics form the two-layer nonwoven A of stitching state after pressing;
Step 3, the two-layer nonwoven A after pressing is passed through to the high pressure water flow of spun lacing system of processing, two-layer nonwoven A is carried out Spun lacing is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream is carried out to non-woven fabrics It punctures;Obtain it is compound after non-woven fabrics B;The water flow pressure of spun lacing is 4.5Mpa;
Step 4, the non-woven fabrics B after compound is dried by drying box, and it is coiled to carry out coiled strip after drying, is carried out after coiled strip cutting Sterilization packs after sterilization and medical bandage is made.
Specifically, the grammes per square metre of the extexine non-woven fabrics is 60g/ square metres, the grammes per square metre of the endosexine non-woven fabrics is 80g/ square metres.
The Chinese medicine liquid is made of following steps:
Step 1) chooses raw material, removes impurity removing, the raw material includes following parts by weight component: tinea grass 30 parts, leaf of negundo chastetree 8 Part, 14 parts of geranium wilfordii, 15 parts of tinosporae, 20 parts of an inveterate smoker millet, 16 parts of piper cubeba, 15 parts of white backleaf mallotus root, 3 parts of wandering jew, Shi Ji 6 parts of ramie, 20 parts of clover, rotten foot careless 25 parts, 22 parts of honeysuckle, 20 parts of saururus chinensis, 10 parts of cayropteris incana;
Each raw material is milled by step 2), and partial size is less than 0.5mm after milling;Then by the raw material after milling according to the ratio into Row is sufficiently mixed, and mixture A is made;
The water of 5 times of quality is added in mixed mixture A by step 3), is cooked, and is boiled to boiling 30 minutes, filtering Obtain Chinese medicine liquid.
In a kind of medical bandage production method provided by the invention, the spun lacing system of processing, including pressing carrying roller 1, First carrying roller 2, third carrying roller 4, the 4th carrying roller 5, drying box 6, defeated lace curtaining 7, water receiving tank 8, water jet 9, squeezes second roller 3 Roller 10, catch basin 11, water pump 12;
The pressing carrying roller 1 is equipped with 2 rollers being oppositely arranged, for squeezing the non-woven fabrics passed through between roller Pressure;
First carrying roller 2, second roller 3, third carrying roller 4, the 4th carrying roller 5 are externally provided with defeated lace curtaining 7, first carrying roller 2, second roller 3 is located at the top of third carrying roller 4, the 4th carrying roller 5, first carrying roller 2, second roller 3, third carrying roller 4, 7 groups of quadrangularlies of four carrying rollers 5 and defeated lace curtaining, the defeated lace curtaining 7 are used to support the non-woven fabrics being positioned above;
The water jet 9 is located at the top of defeated lace curtaining 7, and the water jet 9 is for spraying high pressure water flow;
The water receiving tank 8 is located at 9 lower section of water jet, and the water receiving tank 8 is used to recycle the water flow punctured;
The extruding drum 10 is located at the side of second roller 3, and the extruding drum 10 is equipped with 2 rollings being oppositely arranged Cylinder, for compressing the compound non-woven fabrics of spun lacing;
The water receiving tank 8 is connected by water pipe with catch basin 11, and the water inlet of the water pump 12 passes through water pipe and catch basin 11 are connected, and the water outlet of the water pump 12 is connected by water pipe with water jet 9;
The side of extruding drum 10 is arranged in the drying box 6, is equipped with the 5th carrying roller 61, the baking in the drying box 6 The inner wall of dry case 6 is equipped with heater strip 62, is equipped with transfer roller 63 below the drying box 6;The drying box 6 is for drying spun lacing Non-woven fabrics afterwards.
Specifically, the water inlet of the water pump 12 is connected with filter.
Basic principles and main features and the features of the present invention of the invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement is both fallen in the range of claimed invention.The scope of protection of present invention is by appended claims And its equivalent thereof.

Claims (10)

1. a kind of medical bandage, which is characterized in that including extexine, endosexine;The extexine is flaxen fiber and polypropylene tree The non-woven fabrics of rouge fiber production, the endosexine are the non-woven fabrics of chitin fiber production;
The extexine, endosexine prepare to be formed using spun-bond process, are answered between the extexine, endosexine using spun lacing method It closes and is formed.
2. a kind of medical bandage according to claim 1, which is characterized in that the chitin fiber includes following weight Part component: 45-50 parts of chitosan, 20-30 parts of thermoplastic polyurethane, 5-8 parts of linear low density polyethylene, nano-silver ionic powder 2-3 parts, 1-3 parts of crosslinking agent, grafting auxiliary agent 1-2 parts, 1-2 parts of processing aid, and prepared by following steps:
Step 1) raw material preparation: by chitosan, thermoplastic polyurethane, linear low density polyethylene, nano-silver ionic powder, crosslinking After agent, processing aid are sufficiently mixed in proportion, mixing unit mixing, which is granulated, is made raw material pellet, and 150 DEG C of mixer prilling temperature, Mixing time 30min, 120 DEG C of pelletizer prilling temperature;
Step 2) fiber preparation: after obtained pellet is sufficiently stirred, be added grafting auxiliary agent carry out graft modification, after being sufficiently mixed Double screw extruder wire drawing, is made chitin fiber.
3. a kind of medical bandage according to claim 2, which is characterized in that the crosslinking agent is selected from dimethacrylate second At least one of diol ester, hexamethylene diisocyanate, toluene di-isocyanate(TDI).
4. a kind of medical bandage according to claim 2, which is characterized in that the grafting auxiliary agent be phthalic anhydride and At least one of maleic anhydride.
5. a kind of medical bandage according to claim 2, which is characterized in that the processing aid is that low molecule esters are hard The mixture of one or more of resin acid and pentaerythritol stearate.
6. a kind of production method of medical bandage according to claim 1, which comprises the steps of:
Step 1, extexine non-woven fabrics and endosexine non-woven fabrics are made using spun-bond process, by extexine non-woven fabrics and endosexine nonwoven Cloth rolls into;
Step 2, extexine non-woven fabrics and endosexine non-woven fabrics are arranged up and down, extexine non-woven fabrics and endosexine non-woven fabrics carry out Carrying roller pressing, extexine non-woven fabrics and endosexine non-woven fabrics form the two-layer nonwoven A of stitching state after pressing;
Step 3, the two-layer nonwoven A after pressing is passed through to the high pressure water flow of spun lacing system of processing, two-layer nonwoven A carries out spun lacing It is compounded to form entirety;In spun lacing recombination process, using Chinese medicine liquid as high pressure water flow medium, jet stream is carried out to non-woven fabrics and is worn Thorn;Obtain it is compound after non-woven fabrics B;
Step 4, the non-woven fabrics B after compound is dried by drying box, and it is coiled to carry out coiled strip after drying, is killed after coiled strip cutting Bacterium packs after sterilization and medical bandage is made.
7. a kind of production method of medical bandage according to claim 6, which is characterized in that the extexine non-woven fabrics Grammes per square metre is 60g/ square metres, and the grammes per square metre of the endosexine non-woven fabrics is 80g/ square metres;The water flow pressure of spun lacing is 4- in step 3 4.5Mpa。
8. a kind of production method of medical bandage according to claim 6, which is characterized in that the Chinese medicine liquid is using as follows Step is made:
Step 1) chooses raw material, removes impurity removing, the raw material includes following parts by weight component: 25-30 parts of tinea grass, leaf of negundo chastetree 8-10 Part, 12-15 parts of geranium wilfordii, 8-15 parts of tinosporae, 20-25 parts of an inveterate smoker millet, 15-18 parts of piper cubeba, 12-15 parts of white backleaf mallotus root, 3-5 parts of wandering jew, 5-8 parts of Scabrous Mosla Herb, 15-20 parts of clover, 25-30 parts of rotten foot grass, 20-25 parts of honeysuckle, saururus chinensis 15-20 Part, 10-20 parts of cayropteris incana;
Each raw material is milled by step 2), and partial size is less than 0.5mm after milling;Then the raw material after milling is filled according to the ratio Divide mixing, mixture A is made;
The water of 5 times of quality is added in mixed mixture A by step 3), is cooked, and is boiled to boiling 30 minutes, is obtained by filtration Chinese medicine liquid.
9. the spun lacing system of processing in a kind of medical bandage production method according to claim 6, it is characterised in that: including Press carrying roller, the first carrying roller, second roller, third carrying roller, the 4th carrying roller, drying box, defeated lace curtaining, water receiving tank, water jet, extruding Roller, catch basin, water pump;
The pressing carrying roller is equipped with 2 rollers being oppositely arranged, for squeezing the non-woven fabrics passed through between roller;
First carrying roller, second roller, third carrying roller, the 4th carrying roller are externally provided with defeated lace curtaining, first carrying roller, second roller Positioned at the top of third carrying roller, the 4th carrying roller, first carrying roller, second roller, third carrying roller, the 4th carrying roller and defeated lace curtaining group Quadrangularly, the defeated lace curtaining are used to support the non-woven fabrics being positioned above;
The water jet is located at the top of defeated lace curtaining, and the water jet is for spraying high pressure water flow;
Water receiving tank, the water receiving tank are located at below water jet, and the water receiving tank is used to recycle the water flow punctured;
The extruding drum is located at the side of second roller, and the extruding drum is equipped with 2 rollers being oppositely arranged, and is used for water Compound non-woven fabrics is pierced to compress;
The water receiving tank is connected by water pipe with catch basin, and the water inlet of the water pump is connected by water pipe with catch basin, described The water outlet of water pump is connected by water pipe with water jet;
The side of extruding drum is arranged in the drying box, is equipped with the 5th carrying roller, the inner wall of the drying box in the drying box Equipped with heater strip, transfer roller is equipped with below the drying box;The drying box is for drying the non-woven fabrics after spun lacing.
10. the spun lacing system of processing in a kind of medical bandage production method according to claim 6, which is characterized in that institute The water inlet for stating water pump is connected with filter.
CN201910412394.4A 2019-05-17 2019-05-17 A kind of medical bandage and preparation method thereof Pending CN110201211A (en)

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