CN108434505A - A kind of nylon fiber medical dressing - Google Patents
A kind of nylon fiber medical dressing Download PDFInfo
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- CN108434505A CN108434505A CN201810231926.XA CN201810231926A CN108434505A CN 108434505 A CN108434505 A CN 108434505A CN 201810231926 A CN201810231926 A CN 201810231926A CN 108434505 A CN108434505 A CN 108434505A
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- China
- Prior art keywords
- nylon fiber
- filling
- veil
- medical dressing
- monofilament
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/44—Medicaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
- A61L2300/104—Silver, e.g. silver sulfadiazine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
Abstract
The invention discloses a kind of nylon fiber medical dressing.The nylon fiber medical dressing includes veil, filling, support yarn, the support yarn is connected between veil and filling, the veil, support yarn, filling one warp knit form three-dimensional structure, the veil is made by the moisture absorption nylon fiber monofilament that specification is 100~500D, the filling is made by the silver plated nylon fibers monofilament that specification is 50~500D, the support yarn is made into X chi structures by the nylon fiber monofilament that specification is 500~1000D, and the veil and the filling are woven with mesh.The nylon fiber medical dressing has sterilizing function, with skin adhesion, breathes freely, is used for negative pressure wound therapy, helps to reduce oedema, avoids the surface of a wound from polluting, wound healing.
Description
Technical field
The present invention relates to medical material, more particularly to a kind of nylon fiber medical dressing.
Background technology
Negative pressure wound therapy is a kind of fresh wound treatment technology developed in recent years, and specific therapy is：Make
The surface of a wound that skin or soft tissue defects are covered or filled with medical dressing, reuses medical white hyaline membrane and is closed to it, made
It forms a confined space, finally connect drainage tube with negative pressure source, promotes wound healing by controllable negative pressure.This is controlled
Treatment method can speed up wound site blood circulation, stimulate the growth of granulation, reduces oedema and surface of a wound pollution, the surface of a wound is promoted to be cured
It closes.
But existing medical dressing is not often because have sterilizing function, gross weight skin easy to stick, airtight, service life
It is short, various pernicious consequences are frequently resulted in, or even directly threaten the life security of patient.
Invention content
The technical problem to be solved in the present invention is to provide a kind of nylon fiber medical dressing, nylon fiber medical dressing tools
Standby sterilizing function is breathed freely with skin adhesion, is used for negative pressure wound therapy, helps to reduce oedema, the surface of a wound is avoided to pollute, promote
Into wound healing.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of nylon fiber medical dressing, including veil, support yarn, filling, the support yarn are connected to veil and filling
Between, the veil, support yarn, filling one warp knit form three-dimensional structure, and the veil is 100~500D's by specification
Moisture absorption nylon fiber monofilament is made into, and the filling is made by the silver plated nylon fibers monofilament that specification is 50~500D, the support
Yarn is made into X chi structures by the nylon fiber monofilament that specification is 500~1000D, and the veil and the filling are woven with mesh.
Preferably, the thickness of the veil is 0.2~2mm, and the thickness of the filling is 0.2~2mm, the support yarn
Thickness is 2~8mm.
Preferably, the shape of the mesh is any one in rectangle, square, trapezoidal, round, diamond shape, octagon
Kind is several.
Preferably, the moisture absorption nylon fiber monofilament is base polyamide polyimide resin and the polyamide master batch containing inorganic particulate
It is made up of melt blending spinning.
It is further preferred that the inorganic particulate is through the surface-treated silica of silicone coupling agents.
It is further preferred that the average grain diameter of the inorganic particulate is 100~500nm.
It is further preferred that weight percent of the inorganic particulate in polyamide master batch is 2~8%.
It is further preferred that the weight ratio of the polyamide master batch and described matrix polyamide is 0.1~0.3:1.
Preferably, the silver plated nylon fibers monofilament is that nylon fiber monofilament carries out silver-plated process and obtains in the plating solution.
It is further preferred that the aqueous solution that the plating solution is polyamide polymer is complexed with silver nitrate solution.
Still more preferably, the mass fraction of polyamide polymer is 0.1 in the aqueous solution of the polyamide polymer
~0.5%.
Still more preferably, the mass fraction of silver nitrate is 0.1~0.5% in the silver nitrate solution.
Compared with prior art, the beneficial effects of the present invention are：
(1) nylon fiber medical dressing provided by the present invention is made into filling with silver plated nylon fibers monofilament, anion by
Step release both can avoid silver ion deposition, ensure that persistently antibacterial, and good biocompatibility.
(2) present invention forms three-dimensional structure by veil, support yarn, filling one warp knit, in conjunction with thickness and mesh
Design, so that nylon fiber medical dressing is closely sticked with the surface of a wound, breathe freely and adhesion skin, be conducive to the surface of a wound ooze out blood,
Fester etc. is discharged unobstructedly, avoids hydrops, hematocele, empyema, reduces oedema, while taking into account surface of a wound moistening effect, avoids the surface of a wound dry
It is dry.
(3) nylon fiber medical dressing provided by the present invention is suitable for the negative pressure wound therapy of the surface of a wound, has and vertically leads
Wet function can prevent periwound skin from being impregnated by blood, the fester that wound contributes to the surface of a wound to ooze out, and avoid the surface of a wound dirty
Dye, wound healing, and also the feeling of pain caused by change of dressing or dressing is lighter, can improve the property followed of patient.
Description of the drawings
Fig. 1 is the front view of nylon fiber medical dressing.
In figure, 1- veils, 2- supports yarn, 3- fillings.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of nylon fiber medical dressing, including veil, support yarn, filling, the support yarn are connected to veil and filling
Between, the veil, support yarn, filling one warp knit form three-dimensional structure, and the veil is 100~500D's by specification
Moisture absorption nylon fiber monofilament is made into, and the filling is made by the silver plated nylon fibers monofilament that specification is 50~500D, the support
Yarn is made into X chi structures by the nylon fiber monofilament that specification is 500~1000D, and the veil and the filling are woven with mesh.
In the embodiment of the invention, the thickness of the veil is 0.2~2mm, and the thickness of the filling is 0.2
The thickness of~2mm, the support yarn are 2~8mm.
In the embodiment of the invention, the shape of the mesh is rectangle, square, trapezoidal, round, water chestnut
Any one or a few in shape, octagon.
In the embodiment of the invention, the moisture absorption nylon fiber monofilament be base polyamide polyimide resin and containing whether there is or not
The polyamide master batch of machine particle is made up of melt blending spinning.
In this embodiment, further, the moisture absorption nylon fiber monofilament is to be made using following methods：
By base polyamide polyimide resin and polyamide master batch containing inorganic particulate through screw machine extrusion molten and blending, it is made
Melt carries out spinning through spinning pack, then oils on the as-spun fibre of gained at as-spun fibre through cross air blasting cooled and solidified
Afterwards, forming is batched by up- coiler, then heating stretching is carried out using stretching-machine, obtain moisture absorption nylon fiber monofilament.
In this embodiment, further, the condition of the screw machine extruding is：One 260~270 DEG C of area's temperature,
Two 265~275 DEG C of area's temperature, three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature,
Six 265~280 DEG C of area's temperature, screw pressure are 95~105kg/cm2；
The condition of the spinning is：270~320 DEG C of temperature, spinning speed are 1000~1200m/min；
The condition of the side-blown air cooling is：15~25 DEG C of temperature, 0.5~5m/s of wind speed or natural cooling；
The condition to oil is：Finish mass percent is 15~25%, and oil tanker rotating speed is 2~10r/min；
The condition for batching forming is：Temperature is 20~28 DEG C, and relative humidity is 45~60%；
The condition of the stretching is：First step draft temperature is 120~150 DEG C, and the draw ratio of the first step is 2.5~4.5,
Second step draft temperature is 220~250 DEG C, and draw ratio is 1.2~2.0, and total stretching ratio is 3~8, heat setting temperature 150
~250 DEG C, temperature is 20~28 DEG C between stretching, and relative humidity is 50~70%.
In this embodiment, further, the inorganic particulate is through the surface-treated dioxy of silicone coupling agents
SiClx.
In this embodiment, further, the average grain diameter of the inorganic particulate is 100~500nm.
In this embodiment, further, weight percent of the inorganic particulate in polyamide master batch be 2~
8%.
In this embodiment, further, the weight ratio of the polyamide master batch and described matrix polyamide is
0.1~0.3:1.
In the embodiment of the invention, the silver plated nylon fibers monofilament be nylon fiber monofilament in the plating solution into
Row silver-plated process obtains.
In this embodiment, further, the plating solution is the aqueous solution and silver nitrate solution network of polyamide polymer
It closes.
In this embodiment, further, in the aqueous solution of the polyamide polymer polyamide polymer matter
It is 0.1~0.5% to measure score.
In this embodiment, further, in the silver nitrate solution silver nitrate mass fraction be 0.1~
0.5%.
In this embodiment, further, the silver plated nylon fibers monofilament is made for following methods：
By nylon fiber monofilament with the speed of 10~20m/min by filling the immersion liquid slot of plating solution, using pressure rolling, hot wind
Drying, sterilizing obtain silver plated nylon fibers monofilament.
In this embodiment, further, the temperature of the hot-air seasoning is 100~120 DEG C.
The structure of the medical dressing of 1~2 gained of following example 1~4 and comparative example is as shown in Figure 1.With reference to
Attached drawing is described further the embodiment of the present invention and comparative example.
Embodiment 1
Nylon fiber medical dressing in the present embodiment includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the moisture absorption nylon fiber monofilament of 100D is made into, and the filling 3 is made by the silver plated nylon fibers monofilament that specification is 50D,
The support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 500D, and the veil 1 weaves by diamond-shaped meshes, institute
It states filling 3 and is woven with round mesh, the thickness of the veil 1 is 0.2mm, and the thickness of the filling 3 is 0.2mm, the support
The thickness of yarn 2 is 5mm..
Wherein, the moisture absorption nylon fiber monofilament is to be made using following methods：
(wherein, siloxanes coupling is surface-treated to silica (average grain diameter 100nm) with silicone coupling agents
The 1 of the mass ratio of agent and silica:9), then by processed silica and nylon fiber by twin-screw extruder melting and
It is blended, prepares the polyamide master batch of the silica containing 2% mass percent；By the polyamide master batch and base polyamide of gained
Resin is according to 0.1:1 weight ratio carries out standard machinery and is mixed to get mixture, then is passed through after the mixture of gained is fully dried
Screw machine extrusion molten and blending, are made melt, carry out spinning through spinning pack, strand is through cross air blasting cooled and solidified at nascent fibre
Dimension, oils, then batch forming by up- coiler, then carry out heating stretching using stretching-machine on as-spun fibre, obtains moisture absorption Buddhist nun
Imperial fibre single thread, wherein the condition that the screw machine squeezes is：One 260~270 DEG C of area's temperature, two 265~275 DEG C of area's temperature,
Three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature, six 265~280 DEG C of area's temperature,
Screw pressure is 95kg/cm2；The condition of the spinning is：270 DEG C of temperature, spinning speed 1000m/min；The cross air blasting
Cooling condition is：15 DEG C of temperature, wind speed 0.5m/s or natural cooling；The condition to oil is：Finish mass percent is
15%, oil tanker rotating speed is 2r/min；The condition for batching forming is：Temperature is 20 DEG C, relative humidity 45%；The stretching
Condition be：First step draft temperature is 120 DEG C, and the draw ratio of the first step is 2.5, and second step draft temperature is 220 DEG C, is stretched
Than being 1.2, total stretching ratio is 3, and heat setting temperature is 150 DEG C, and temperature is 20 DEG C between stretching, relative humidity 50%.
The silver plated nylon fibers monofilament is to be made using following methods：
It is 0.1% polyamide that the silver nitrate solution that isometric mass fraction is 0.1%, which is slowly dropped to mass fraction,
In the aqueous solution of polymer, after being added dropwise, it is heated to 80 DEG C under stirring conditions, then cooled to room temperature is to get plating
Liquid.In immersion liquid slot by nylon fiber monofilament with the speed of 10m/min by filling above-mentioned plating solution, using pressure rolling, 100 DEG C of heat
It air-dries dry, sterilizing and obtains silver plated nylon fibers monofilament.
Embodiment 2
Nylon fiber medical dressing in the present embodiment includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the moisture absorption nylon fiber monofilament of 200D is made into, and the filling 3 is made by the silver plated nylon fibers monofilament that specification is 300D,
The support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 800D, and the veil 1 weaves by diamond-shaped meshes, institute
It states filling 3 and is woven with round mesh, the thickness of the veil 1 is 0.5mm, and the thickness of the filling 3 is 0.5mm, the support
The thickness of yarn 2 is 5mm..
Wherein, the moisture absorption nylon fiber monofilament is to be made using following methods：
(wherein, siloxanes coupling is surface-treated to silica (average grain diameter 200nm) with silicone coupling agents
The 1 of the mass ratio of agent and silica:9), then by processed silica and nylon fiber by twin-screw extruder melting and
It is blended, prepares the polyamide master batch of the silica containing 2~8% mass percents；The polyamide master batch of gained is gathered with matrix
Amide resin is according to 0.24:1 weight ratio carries out standard machinery and is mixed to get mixture, then the mixture of gained is fully dry
By screw machine extrusion molten and blending, melt is made, carries out spinning through spinning pack, strand is through cross air blasting cooled and solidified at first
Raw fiber, oils, then batch forming by up- coiler, then carry out heating stretching using stretching-machine on as-spun fibre, is inhaled
Wet nylon fiber monofilament, wherein the condition that the screw machine squeezes is：One 260~270 DEG C of area's temperature, two area's temperature 265~
275 DEG C, three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature, six area's temperature 265~
280 DEG C, screw pressure 100kg/cm2；The condition of the spinning is：300 DEG C of temperature, spinning speed 1000m/min；It is described
The condition of side-blown air cooling is：18 DEG C of temperature, wind speed 3m/s or natural cooling；The condition to oil is：Finish quality percentage
Than being 20%, oil tanker rotating speed is 7r/min；The condition for batching forming is：Temperature is 25 DEG C, relative humidity 50%；It is described
The condition of stretching is：First step draft temperature is 140 DEG C, and the draw ratio of the first step is 3, and second step draft temperature is 230 DEG C, is drawn
It stretches than being 1.5, total stretching ratio is 5, and heat setting temperature is 220 DEG C, and temperature is 25 DEG C between stretching, relative humidity 60%.
The silver plated nylon fibers monofilament is to be made using following methods：
It is 0.25% polyamide that the silver nitrate solution that isometric mass fraction is 0.2%, which is slowly dropped to mass fraction,
In the aqueous solution of polymer, after being added dropwise, it is heated to 80 DEG C under stirring conditions, then cooled to room temperature is to get plating
Liquid.In immersion liquid slot by nylon fiber monofilament with the speed of 12m/min by filling above-mentioned plating solution, using pressure rolling, 120 DEG C of heat
It air-dries dry, sterilizing and obtains silver plated nylon fibers monofilament.
Embodiment 3
Nylon fiber medical dressing in the present embodiment includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the moisture absorption nylon fiber monofilament of 500D is made into, and the filling 3 is made by the silver plated nylon fibers monofilament that specification is 500D,
The support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 1000D, and the veil 1 weaves by diamond-shaped meshes,
The filling 3 is woven with round mesh, and the thickness of the veil 1 is 2mm, and the thickness of the filling 3 is 2mm, the support yarn 2
Thickness be 8mm..
Wherein, the moisture absorption nylon fiber monofilament is to be made using following methods：
(wherein, siloxanes coupling is surface-treated to silica (average grain diameter 500nm) with silicone coupling agents
The 1 of the mass ratio of agent and silica:9), then by processed silica and nylon fiber by twin-screw extruder melting and
It is blended, prepares the polyamide master batch of the silica containing 8% mass percent；By the polyamide master batch and base polyamide of gained
Resin is according to 0.3:1 weight ratio carries out standard machinery and is mixed to get mixture, then is passed through after the mixture of gained is fully dried
Screw machine extrusion molten and blending, are made melt, carry out spinning through spinning pack, strand is through cross air blasting cooled and solidified at nascent fibre
Dimension, oils, then batch forming by up- coiler, then carry out heating stretching using stretching-machine on as-spun fibre, obtains moisture absorption Buddhist nun
Imperial fibre single thread, wherein the condition that the screw machine squeezes is：One 260~270 DEG C of area's temperature, two 265~275 DEG C of area's temperature,
Three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature, six 265~280 DEG C of area's temperature,
Screw pressure is 105kg/cm2；The condition of the spinning is：320 DEG C of temperature, spinning speed 1000m/min；The cross air blasting
Cooling condition is：25 DEG C of temperature, wind speed 5m/s or natural cooling；The condition to oil is：Finish mass percent is
25%, oil tanker rotating speed is 10r/min；The condition for batching forming is：Temperature is 25 DEG C, relative humidity 60%；The drawing
The condition stretched is：First step draft temperature is 150 DEG C, and the draw ratio of the first step is 4.5, and second step draft temperature is 250 DEG C, is drawn
It stretches than being 2.0, total stretching ratio is 8, and heat setting temperature is 220 DEG C, and temperature is 28 DEG C between stretching, relative humidity 70%.
The silver plated nylon fibers monofilament is to be made using following methods：
It is 0.5% polyamide that the silver nitrate solution that isometric mass fraction is 0.5%, which is slowly dropped to mass fraction,
In the aqueous solution of polymer, after being added dropwise, it is heated to 80 DEG C under stirring conditions, then cooled to room temperature is to get plating
Liquid.In immersion liquid slot by nylon fiber monofilament with the speed of 20m/min by filling above-mentioned plating solution, using pressure rolling, 120 DEG C of heat
It air-dries dry, sterilizing and obtains silver plated nylon fibers monofilament.
Embodiment 4
Nylon fiber medical dressing in the present embodiment includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the moisture absorption nylon fiber monofilament of 200D is made into, and the filling 3 is made by the silver plated nylon fibers monofilament that specification is 300D,
The support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 700D, and the veil 1 weaves by diamond-shaped meshes, institute
It states filling 3 and is woven with round mesh, the thickness of the veil 1 is 1mm, and the thickness of the filling 3 is 1mm, the support yarn 2
Thickness is 8mm..
Wherein, the moisture absorption nylon fiber monofilament is to be made using following methods：
(wherein, siloxanes coupling is surface-treated to silica (average grain diameter 400nm) with silicone coupling agents
The 1 of the mass ratio of agent and silica:9), then by processed silica and nylon fiber by twin-screw extruder melting and
It is blended, prepares the polyamide master batch of the silica containing 6% mass percent；By the polyamide master batch and base polyamide of gained
Resin is according to 0.2:1 weight ratio carries out standard machinery and is mixed to get mixture, then is passed through after the mixture of gained is fully dried
Screw machine extrusion molten and blending, are made melt, carry out spinning through spinning pack, strand is through cross air blasting cooled and solidified at nascent fibre
Dimension, oils, then batch forming by up- coiler, then carry out heating stretching using stretching-machine on as-spun fibre, obtains moisture absorption Buddhist nun
Imperial fibre single thread, wherein the condition that the screw machine squeezes is：One 260~270 DEG C of area's temperature, two 265~275 DEG C of area's temperature,
Three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature, six 265~280 DEG C of area's temperature,
Screw pressure is 95~105kg/cm2；The condition of the spinning is：320 DEG C of temperature, spinning speed 1200m/min；The side
The condition of quenching is：20 DEG C of temperature, wind speed 4m/s or natural cooling；The condition to oil is：Finish mass percent
It is 18%, oil tanker rotating speed is 7r/min；The condition for batching forming is：Temperature is 25 DEG C, relative humidity 55%；The drawing
The condition stretched is：First step draft temperature is 130 DEG C, and the draw ratio of the first step is 3, and second step draft temperature is 240 DEG C, is stretched
Than being 1.5, total stretching ratio is 5, and heat setting temperature is 200 DEG C, and temperature is 22 DEG C between stretching, relative humidity 60%.
The silver plated nylon fibers monofilament is to be made using following methods：
It is 0.4% polyamide that the silver nitrate solution that isometric mass fraction is 0.3%, which is slowly dropped to mass fraction,
In the aqueous solution of polymer, after being added dropwise, it is heated to 80 DEG C under stirring conditions, then cooled to room temperature is to get plating
Liquid.In immersion liquid slot by nylon fiber monofilament with the speed of 12m/min by filling above-mentioned plating solution, using pressure rolling, 100~
120 DEG C of heated-air dryings, sterilizing obtain silver plated nylon fibers monofilament.
Comparative example 1
Nylon fiber medical dressing in this comparative example includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the moisture absorption nylon fiber monofilament of 200D is made into, and the filling 3 is made by the nylon fiber monofilament that specification is 300D, described
Support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 800D, and the veil 1 weaves by diamond-shaped meshes, the bottom
Yarn 3 is woven with round mesh, and the thickness of the veil 1 is 0.5mm, and the thickness of the filling 3 is 0.5mm, the support yarn 2
Thickness is 5mm..
Wherein, the moisture absorption nylon fiber monofilament is to be made using following methods：
(wherein, siloxanes coupling is surface-treated to silica (average grain diameter 200nm) with silicone coupling agents
The 1 of the mass ratio of agent and silica:9), then by processed silica and nylon fiber by twin-screw extruder melting and
It is blended, prepares the polyamide master batch of the silica containing 2~8% mass percents；The polyamide master batch of gained is gathered with matrix
Amide resin is according to 0.24:1 weight ratio carries out standard machinery and is mixed to get mixture, then the mixture of gained is fully dry
By screw machine extrusion molten and blending, melt is made, carries out spinning through spinning pack, strand is through cross air blasting cooled and solidified at first
Raw fiber, oils, then batch forming by up- coiler, then carry out heating stretching using stretching-machine on as-spun fibre, is inhaled
Wet nylon fiber monofilament, wherein the condition that the screw machine squeezes is：One 260~270 DEG C of area's temperature, two area's temperature 265~
275 DEG C, three 270~280 DEG C of area's temperature, four 270~285 DEG C of area's temperature, five 265~280 DEG C of area's temperature, six area's temperature 265~
280 DEG C, screw pressure 100kg/cm2；The condition of the spinning is：300 DEG C of temperature, spinning speed 1000m/min；It is described
The condition of side-blown air cooling is：18 DEG C of temperature, wind speed 3m/s or natural cooling；The condition to oil is：Finish quality percentage
Than being 20%, oil tanker rotating speed is 7r/min；The condition for batching forming is：Temperature is 25 DEG C, relative humidity 50%；It is described
The condition of stretching is：First step draft temperature is 140 DEG C, and the draw ratio of the first step is 3, and second step draft temperature is 230 DEG C, is drawn
It stretches than being 1.5, total stretching ratio is 5, and heat setting temperature is 220 DEG C, and temperature is 25 DEG C between stretching, relative humidity 60%.
Comparative example 2
Nylon fiber medical dressing in this comparative example includes veil 1, support yarn 2, filling 3, and the support yarn 2 is connected to
Between veil 1 and filling 3, the veil 1, support yarn 2, the integrated warp knit of filling 3 form three-dimensional structure, the veil 1 by
Specification is that the nylon fiber monofilament of 200D is made into, and the filling 3 is made by the silver plated nylon fibers monofilament that specification is 300D, described
Support yarn 2 is made into X chi structures by the nylon fiber monofilament that specification is 800D, and the veil 1 weaves by diamond-shaped meshes, the bottom
Yarn 3 is woven with round mesh, and the thickness of the veil 1 is 0.5mm, and the thickness of the filling 3 is 0.5mm, the support yarn 2
Thickness is 5mm..
The silver plated nylon fibers monofilament is to be made using following methods：
It is 0.25% polyamide that the silver nitrate solution that isometric mass fraction is 0.2%, which is slowly dropped to mass fraction,
In the aqueous solution of polymer, after being added dropwise, it is heated to 80 DEG C under stirring conditions, then cooled to room temperature is to get plating
Liquid.In immersion liquid slot by nylon fiber monofilament with the speed of 12m/min by filling above-mentioned plating solution, using pressure rolling, 120 DEG C of heat
It air-dries dry, sterilizing and obtains silver plated nylon fibers monofilament.
Effect example 1
Advantageous effect in order to further illustrate the present invention, by the nylon fiber medical dressing of the gained of the embodiment of the present invention 2,
The nylon fiber medical dressing and medical sponge of 1~2 gained of comparative example are respectively used to the negative pressure wound of the surface of a wound shown in table 1
In treatment, choose II degree burn wound and operative incision each 50 of patient, according to the depth of the surface of a wound, the comparativity of size it is only
The vertical surface of a wound carries out negative pressure wound therapy through same procedure debridement, disinfection, further according to the condition of the injury (in therapeutic process, to be implemented with the present invention
The nylon fiber medical dressing of the gained of example 2, the nylon fiber medical dressing of 1~2 gained of comparative example filling close to the surface of a wound), use
Marked grouping serial number as shown in Table 1, statistics each group wound stop the time of exudation, and statistical result is as shown in table 1.
1 each group wound of table stops the time statistical result of exudation
The above results show that the nylon fiber medical dressing of 2 gained of the embodiment of the present invention, the exudation situation of wound are most light.
This effect example has also investigated above-mentioned patient using the nylon fiber medical dressing of the embodiment of the present invention 2 and medical
Sponge generated feeling of pain during negative pressure wound therapy.As a result as follows：
The nylon fiber medical dressing of 2 gained of the embodiment of the present invention is used for negative pressure wound therapy, II degree scald and operation seam
Patient pain's sense of conjunction is lighter, and with the increase of more change dressings number, and the feeling of pain of patient is to mitigate.And medical sponge is used
During negative pressure wound therapy, patient pain's sense of II degree scald and operation stitching is heavier, and with more change dressings number
Increase, the feeling of pain of patient is increased.
Effect example 2
Advantageous effect in order to further illustrate the present invention, by the doctor of 1~2 gained of the embodiment of the present invention 1~4 and comparative example
With dressing by purified water impregnate 3 days after cleaning, drying, test its fungistatic effect, test result is referring to table 2.
The fungistatic effect of 2 each group sample of table
Embodiments of the present invention are explained in detail above in association with attached drawing, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (10)
1. a kind of nylon fiber medical dressing, it is characterised in that：Including veil, filling, support yarn, the support yarn is connected to face
Between yarn and filling, the veil, support yarn, filling one warp knit form three-dimensional structure, and the veil is 100 by specification
The moisture absorption nylon fiber monofilament of~500D is made into, and the filling is made by the silver plated nylon fibers monofilament that specification is 50~500D,
The support yarn is made into X chi structures by the nylon fiber monofilament that specification is 500~1000D, and the veil and the filling are compiled
It is woven with mesh.
2. nylon fiber medical dressing according to claim 1, it is characterised in that：The thickness of the veil be 0.2~
The thickness of 2mm, the filling are 0.2~2mm, and the thickness of the support yarn is 2~8mm.
3. nylon fiber medical dressing according to claim 1, it is characterised in that：The shape of the mesh be rectangle,
Any one or a few in square, trapezoidal, round, diamond shape, octagon.
4. nylon fiber medical dressing according to claim 1, it is characterised in that：The moisture absorption nylon fiber monofilament is base
Body polyamide and polyamide master batch containing inorganic particulate are made up of melt blending spinning.
5. nylon fiber medical dressing according to claim 4, it is characterised in that：The inorganic particulate is through siloxanes idol
Join the surface-treated silica of agent.
6. nylon fiber medical dressing according to claim 4, it is characterised in that：The inorganic particulate is in polyamide master batch
In weight percent be 2~8%.
7. nylon fiber medical dressing according to claim 4, it is characterised in that：The polyamide master batch and described matrix
The weight ratio of polyamide is 0.1~0.3:1.
8. nylon fiber medical dressing according to claim 1, it is characterised in that：The silver plated nylon fibers monofilament is Buddhist nun
Imperial fibre single thread carries out silver-plated process and obtains in the plating solution.
9. nylon fiber medical dressing according to claim 1, it is characterised in that：The plating solution is polyamide polymer
Aqueous solution is complexed with silver nitrate solution.
10. nylon fiber medical dressing according to claim 9, it is characterised in that：The polyamide polymer it is water-soluble
The mass fraction of polyamide polymer is 0.1~0.5% in liquid；The mass fraction of silver nitrate is 0.1 in the silver nitrate solution
~0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231926.XA CN108434505A (en) | 2018-03-20 | 2018-03-20 | A kind of nylon fiber medical dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231926.XA CN108434505A (en) | 2018-03-20 | 2018-03-20 | A kind of nylon fiber medical dressing |
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| CN108434505A true CN108434505A (en) | 2018-08-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850288A (en) * | 2006-05-18 | 2006-10-25 | 高轶夫 | Medical dressing made from silver-plated fiber fabric |
| CN202982479U (en) * | 2012-12-11 | 2013-06-12 | 常熟市大发经编织造有限公司 | Medical air-permeable protection pad based on 3-dimensional warp knitted spacer fabric |
| US20140114269A1 (en) * | 2012-10-18 | 2014-04-24 | International Business Machines Corporation | Novel wound dressing |
| US9192625B1 (en) * | 2011-07-01 | 2015-11-24 | Mangala Joshi | Antimicrobial nanocomposite compositions, fibers and films |
| CN106806933A (en) * | 2017-01-14 | 2017-06-09 | 成都医学院 | Polyamide gauze as Wound dressing purposes |
-
2018
- 2018-03-20 CN CN201810231926.XA patent/CN108434505A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850288A (en) * | 2006-05-18 | 2006-10-25 | 高轶夫 | Medical dressing made from silver-plated fiber fabric |
| US9192625B1 (en) * | 2011-07-01 | 2015-11-24 | Mangala Joshi | Antimicrobial nanocomposite compositions, fibers and films |
| US20140114269A1 (en) * | 2012-10-18 | 2014-04-24 | International Business Machines Corporation | Novel wound dressing |
| CN202982479U (en) * | 2012-12-11 | 2013-06-12 | 常熟市大发经编织造有限公司 | Medical air-permeable protection pad based on 3-dimensional warp knitted spacer fabric |
| CN106806933A (en) * | 2017-01-14 | 2017-06-09 | 成都医学院 | Polyamide gauze as Wound dressing purposes |
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