CN105077764B - A kind of degradable, fire-retardant, antimicrobial form operating coat and its manufacture method - Google Patents
A kind of degradable, fire-retardant, antimicrobial form operating coat and its manufacture method Download PDFInfo
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Abstract
The present invention provides a kind of degradable, fire-retardant, antimicrobial form operating coat and its manufacture method, and the operating coat is made of non-woven fabrics, and the non-woven fabrics includes：The first base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer for bonding successively from the bottom to top；First base cloth layer is formed by the crisscross arrangement of composite fibre that poly butyric ester and PLA melting, spinneret are formed；Second base cloth layer is formed by the crisscross arrangement of composite fibre that polypropylene and polyethylene terephthalate melting, spinneret are formed；First base cloth layer and the second base fabric layer surface offer some through holes respectively, and percent opening is 90 ~ 95%, and aperture is 0.1 ~ 0.2mm.The operating coat is degradable with non-woven fabrics internal layer, and with good fire-retardant, moisture absorption, antibacterial, airing function, intensity is high, comfortable and easy to wear.
Description
Technical field
The present invention relates to a kind of degradable, fire-retardant, antimicrobial form operating coat and its manufacture method.
Background technology
Non-woven fabrics (Non Woven Fabric or Nonwoven cloth), also known as adhesive-bonded fabric, is that one kind need not be spun
, simply be oriented or random alignment for textile staple or long filament by the fabric that yarn is weaved cotton cloth and formed, and forms fibre net structure, so
Reinforced using the method such as mechanical, hot sticky or chemical afterwards and formed.
The clothing that operating coat is worn by medical worker when being performed the operation to patient, fabric used by operating coat belongs to medical shielding
Fabric, it is main to intercept (barrier) performance emphatically.Barrier property includes preventing the performance of liquid and microbe infiltration.Medical care people
Member inevitably touches the blood and body fluid of patient in medical aid is carried out, and blood and the body fluid of patient often may be used
The various pathogen such as HBV (hepatitis B viruses), HCV (hepatitis C virus) and HIV (AIDS virus) can be carried.Secondly,
Operating coat should also be neatly clean in use is worn, and be not likely to produce soft flocks or micronic dust, the fine hair that is dropped by operating coat surface, micro-
Grain etc. is easily carried pathogen, and patient safety is caused harm；Meanwhile, it is considered as fabric during the barrier propterty for assessing operating coat
Distraction force and abrasion resistance properties.Because the rupture and abrasion of clothes will be such that pathogen is directly connect with the skin generation of medical personnel
Touch, operating coat is lost protective capacities.In addition, the blood meeting splash of patient during operation is out, so, operating coat must also possess one
Determine adsorption function and water pressure resistance performance.Additionally, operating coat should also meet comfortableness, fire-retardant, antistatic etc., other are required.
At present, operating coat is manufactured using non-woven fabrics more than many operating coat manufacturers, however, operating coat nonwoven at this stage
Cloth, most unitary function, for example only consider anti-flammability and ignore snugness of fit etc., such as Chinese patent 201320095894.8,
A kind of medical non-woven fabrics, including base cloth layer are disclosed, base cloth layer upper and lower surface is fixedly installed fibrous face layer and waterproof layer respectively,
The outer surface of waterproof layer is fixedly installed the flame-retardant layer adhered to by fireproof powder, and base cloth layer is interwoven by dacron thread, base
Evenly distributed in layer of cloth to be provided with air-vent, fibrous face layer is formed by warp thread and weft yarns, and bamboo is woven with warp thread and weft yarn
Carbon fibe.Bamboo-carbon fibre is intertwined with the fibrous face layer of the medical non-woven fabrics, bamboo-carbon fibre moisture absorption is breathed freely, it is soft comfortable,
Exquisiteness, air-permeable cool, deodorizing sterilizing is evenly distributed in base cloth layer to be provided with air-vent, for a long time using or during high temperature it is still refrigerant
Comfortable and ventilative, setting waterproof layer is waterproof impervious, prevents the liquid of outside contamination patient virus from invading, it is adaptable to medical garment
Cloth, and the medical non-woven fabrics is provided with the flame-retardant layer adhered to by fireproof powder, prevents fires deodorant, can toast sterilization, is easy to clear
Wash disinfection.Although it is provided with flame-retardant layer, the specific composition of fireproof powder is not referred to, it is not clear that, if answered using current
With relatively broad halogen containing flame-retardant, cloth burning is such as run into, then the halogen burning in it can produce substantial amounts of halogenation hydrogen
Body, causes secondary injury, and its material therefor to be difficult to degrade, and is unfavorable for the treatment of discarded non-woven fabrics.
The content of the invention
To solve above-mentioned problem, it is an object of the invention to provide a kind of degradable, fire-retardant, antimicrobial form operating coat
And its manufacture method of operating coat non-woven fabrics, the operating coat is degradable with non-woven fabrics internal layer, and with it is good it is fire-retardant, inhale
Wet, antibacterial, airing function, intensity are high, comfortable and easy to wear.
To reach above-mentioned purpose, the technical scheme is that：
A kind of degradable, fire-retardant, antimicrobial form operating coat, the operating coat uses degradable, fire-retardant, antimicrobial form non-woven fabrics
It is made, the non-woven fabrics includes：The first base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base fabric for bonding successively from the bottom to top
Layer；The crisscross arrangement shape of composite fibre that first base cloth layer is formed by poly butyric ester and PLA melting, spinneret
Into；Second base cloth layer is handed in length and breadth by the composite fibre that polypropylene is formed with polyethylene terephthalate melting, spinneret
Mistake arrangement is formed；First base cloth layer and the second base fabric layer surface offer some through holes respectively, and percent opening is 90~
95%, aperture is 0.1~0.2mm.
Further, the cross sectional shape of the composite fibre that polypropylene is formed with polyethylene terephthalate melting, spinneret
It is X-type；The poly butyric ester is cross with the cross sectional shape of the composite fibre that PLA is melted, spinneret is formed.
Separately, the waterproof layer is polytetrafluoroethylene floor, and the thermal insulation layer is aramid fiber nonwoven layer, and the antibiotic layer is coating
There is the nonwoven layer of Ag-carried nanometer titanium dioxide.
Separately have, first base cloth layer is spun-bonded non-woven fabrics layer.
Again, second base cloth layer is spray fusing nonwoven layer.
Further, the thickness ratio of first base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer is 3:2:4:
3:3。
And, every square metre of quality of first base cloth layer and the second base cloth layer is respectively 200~300g.
Meanwhile, the present invention also provides a kind of degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics preparation method, including
Following steps：
1) the first base cloth layer is manufactured
After poly butyric ester crystalline chip, drying, feeding screw extruder is heated, melted, being squeezed into poly- hydroxyl fourth
Acid esters melt, PLA is instilled in the poly butyric ester melt in the form of suspension, and spinneret is sent into after stirring mixing
Plate spinneret, drawing-off, obtain poly butyric ester/PLA Composite Fiber, gained composite fibre is uniformly laid and is formed to web plate
Fibre web, fibre web is reinforced through needing machine, obtains first base cloth layer, the first base fabric layer surface perforate；
2) the second base cloth layer is manufactured
Polypropylene particles are vacuum dried, dried polypropylene particles feeding screw extruder is heated,
Melt, be pressed to form melt polypropylene, in melting process, hydrogen phosphide is added, by polyethylene terephthalate with suspension
Form instill in the polypropylene melt body, stir to obtain blend melt, sprayed by die head spinneret orifice, by the high pressure of die head both sides
Thermal current is heated, and blend melt is stretched in the presence of hot high pressure air-flow, obtains polypropylene/polyethylene terephthalate multiple
Condensating fiber, is cooled to room temperature, forms fibre web, and fibre web is reinforced through needing machine, obtains second base cloth layer, and the second base fabric layer surface is opened
Hole；
3) molding bonded
First base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer are passed sequentially through into polyamides from the bottom to top
Polyimide resin bonds to obtain the operation medical non-woven fabrics finished product.
Further, step 1) poly butyric ester and PLA mass ratio 2：1,12~16h of duration is dried,
200~300 DEG C of melt temperature, draft speed is 5500~6000m/min.
Separately, step 2) polypropylene and polyethylene terephthalate mass ratio be 3：1, polypropylene and hydrogen phosphide
Mass ratio be 3：1,80~90 DEG C of vacuum drying temperature dries 15~20h of duration, 250~300 DEG C of melt temperature,
The flow velocity of hot high pressure air-flow is 150~200m/s, 250~300 DEG C of temperature.
The beneficial effects of the present invention are：
First base cloth layer is formed by the composite fibre that poly butyric ester is formed with PLA melting, spinneret so that compound
Fiber has stronger degradable ability；Second base cloth layer is by polypropylene and polyethylene terephthalate melting, spinneret shape
Into composite fibre it is crisscross arrangement formed, can effectively lift electrical insulating property, fatigue durability and the rub resistance of the second base cloth layer
Performance, and polypropylene adds hydrogen phosphide fire retardant in melting process, can effectively lift the fire resistance of composite fibre, hydrogen phosphide
It is halogen-free flame retardants, good flame retardation effect, even if burning, will not also produce pernicious gas；Antibiotic layer is set up, antibacterial can be effectively lifted
Ability；First base cloth layer and the second base fabric layer surface offer through hole respectively, can effectively lift air permeable effect；Activated carbon adsorption layer
Design, adsorbable extraneous harmful substance, protect it is healthy.
Brief description of the drawings
The non-woven fabrics used in a kind of degradable, fire-retardant, the antimicrobial form operating coat that Fig. 1 is provided by the embodiment of the present invention
Structural representation.
The non-woven fabrics used in a kind of degradable, fire-retardant, the antimicrobial form operating coat that Fig. 2 is provided by the embodiment of the present invention
In the first base cloth layer composite fibre section structural representation.
The non-woven fabrics used in a kind of degradable, fire-retardant, the antimicrobial form operating coat that Fig. 3 is provided by the embodiment of the present invention
In the second base cloth layer composite fibre section structural representation.
Specific embodiment
Referring to Fig. 1~Fig. 3, one kind of the present invention is degradable, fire-retardant, antimicrobial form operating coat, and the operating coat is used
Degradable, fire-retardant, antimicrobial form non-woven fabrics is made, and the non-woven fabrics includes：The first base cloth layer 1 for bonding successively from the bottom to top, every
Thermosphere 2, waterproof layer 3, the base cloth layer 5 of antibiotic layer 4 and second；First base cloth layer 1 is melted by poly butyric ester with PLA
Melt, the crisscross arrangement of composite fibre that spinneret is formed is formed；Second base cloth layer 5 is by polypropylene and poly terephthalic acid
The crisscross arrangement of composite fibre that glycol ester melting, spinneret are formed is formed；The base cloth layer 5 of first base cloth layer 1 and second
Surface offers some through holes (not shown) respectively, and percent opening is 90~95%, and aperture is 0.1~0.2mm.
Further, the section of the composite fibre that the polypropylene is formed with polyethylene terephthalate melting, spinneret
It is shaped as X-type；The poly butyric ester is cross with the cross sectional shape of the composite fibre that PLA is melted, spinneret is formed.
Separately, the waterproof layer 3 is polytetrafluoroethylene floor, and the thermal insulation layer 2 is aramid fiber nonwoven layer, the antibiotic layer 4
To be coated with the nonwoven layer of Ag-carried nanometer titanium dioxide.
Separately have, first base cloth layer 1 is spun-bonded non-woven fabrics layer.
Again, second base cloth layer 5 is spray fusing nonwoven layer.
Further, first base cloth layer 1, thermal insulation layer 2, waterproof layer 3, the thickness ratio of the base cloth layer 5 of antibiotic layer 4 and second are
3:2:4:3:3。
And, every square metre of quality of first base cloth layer and the second base cloth layer is respectively 200~300g.
Meanwhile, degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics preparation method of the present invention, including following step
Suddenly：
1) the first base cloth layer is manufactured
After poly butyric ester crystalline chip, drying, feeding screw extruder is heated, melted, being squeezed into poly- hydroxyl fourth
Acid esters melt, PLA is instilled in the poly butyric ester melt in the form of suspension, and spinneret is sent into after stirring mixing
Plate spinneret, drawing-off, obtain poly butyric ester/PLA Composite Fiber, gained composite fibre is uniformly laid and is formed to web plate
Fibre web, fibre web is reinforced through needing machine, obtains first base cloth layer, the first base fabric layer surface perforate；
2) the second base cloth layer is manufactured
Polypropylene particles are vacuum dried, dried polypropylene particles feeding screw extruder is heated,
Melt, be pressed to form melt polypropylene, in melting process, hydrogen phosphide is added, by polyethylene terephthalate with suspension
Form instill in the polypropylene melt body, stir to obtain blend melt, sprayed by die head spinneret orifice, by the high pressure of die head both sides
Thermal current is heated, and blend melt is stretched in the presence of hot high pressure air-flow, obtains polypropylene/polyethylene terephthalate multiple
Condensating fiber, is cooled to room temperature, forms fibre web, and fibre web is reinforced through needing machine, obtains second base cloth layer, and the second base fabric layer surface is opened
Hole；
3) molding bonded
First base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer are passed sequentially through into polyamides from the bottom to top
Polyimide resin bonds to obtain the operation medical non-woven fabrics finished product.
Further, step 1) poly butyric ester and PLA mass ratio 2：1,12~16h of duration is dried,
200~300 DEG C of melt temperature, draft speed is 5500~6000m/min.
Separately, step 2) polypropylene and polyethylene terephthalate mass ratio be 3：1, polypropylene and hydrogen phosphide
Mass ratio be 3：1,80~90 DEG C of vacuum drying temperature dries 15~20h of duration, 250~300 DEG C of melt temperature,
The flow velocity of hot high pressure air-flow is 150~200m/s, 250~300 DEG C of temperature.
Table 1 is degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics fabrication process condition described in the embodiment of the present invention
List.Table 2 is degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics performance parameter list obtained by the embodiment of the present invention.
Table 1
Table 2
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should cover in power of the invention
In sharp claimed range.
Claims (9)
1. a kind of degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that the operating coat uses degradable, fire-retardant, antibacterial
The non-woven fabrics of type is made, and the non-woven fabrics includes：
The first base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer for bonding successively from the bottom to top；
The crisscross arrangement shape of composite fibre that first base cloth layer is formed by poly butyric ester and PLA melting, spinneret
Into；
Second base cloth layer is handed in length and breadth by the composite fibre that polypropylene is formed with polyethylene terephthalate melting, spinneret
Mistake arrangement is formed；
First base cloth layer and the second base fabric layer surface offer some through holes respectively, and percent opening is 90 ~ 95%, and aperture is 0.1
~0.2mm；
The cross sectional shape of the composite fibre that the polypropylene is formed with polyethylene terephthalate melting, spinneret is X types；
The poly butyric ester is cross with the cross sectional shape of the composite fibre that PLA is melted, spinneret is formed.
2. one kind according to claim 1 is degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that the waterproof layer is
Polytetrafluoroethylene floor, the thermal insulation layer is aramid fiber nonwoven layer, and the antibiotic layer is the nothing for being coated with Ag-carried nanometer titanium dioxide
Spin layer of cloth.
3. one kind according to claim 1 is degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that first base fabric
Layer is spun-bonded non-woven fabrics layer.
4. one kind according to claim 1 is degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that second base fabric
Layer is spray fusing nonwoven layer.
5. one kind according to claim 1 is degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that first base fabric
The thickness ratio of layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer is 3:2:4:3:3.
6. one kind according to claim 1 is degradable, fire-retardant, antimicrobial form operating coat, it is characterised in that first base fabric
Layer and every square metre of quality of the second base cloth layer are respectively 200 ~ 300g.
7. a kind of degradable as any one of claim 1 ~ 6, fire-retardant, antimicrobial form operating coat manufacture method, its feature
It is to comprise the following steps：
Manufacture the first base cloth layer
After poly butyric ester crystalline chip, drying, feeding screw extruder is heated, melts, is squeezed into poly butyric ester
Melt, PLA is instilled in the poly butyric ester melt in the form of suspension, and spinneret spray is sent into after stirring mixing
Silk, drawing-off, obtain poly butyric ester/PLA Composite Fiber, gained composite fibre is uniformly laid and forms fine to web plate
Net, fibre web is reinforced through needing machine, obtains first base cloth layer, the first base fabric layer surface perforate；
Manufacture the second base cloth layer
Polypropylene particles are vacuum dried, dried polypropylene particles feeding screw extruder is heated, is melted,
Melt polypropylene is pressed to form, in melting process, hydrogen phosphide is added, by polyethylene terephthalate in the form of suspension
Instill in the polypropylene melt body, stir to obtain blend melt, sprayed by die head spinneret orifice, by the hot high pressure air-flow of die head both sides
Heating, blend melt is stretched in the presence of hot high pressure air-flow, obtains polypropylene/polyethylene terephthalate composite fibre,
Room temperature is cooled to, fibre web is formed, fibre web is reinforced through needing machine, obtains second base cloth layer, the second base fabric layer surface perforate；
Molding bonded
First base cloth layer, thermal insulation layer, waterproof layer, antibiotic layer and the second base cloth layer are passed sequentially through into polyamide resin from the bottom to top
Fat bonds to obtain the operating coat finished product.
8. a kind of degradable, fire-retardant, antimicrobial form operating coat manufacture method according to claim 7, it is characterised in that step
The mass ratio 2 of rapid 1) described poly butyric ester and PLA：1,12 ~ 16h of duration is dried, 200 ~ 300 DEG C of melt temperature is led
Speed is stretched for 5500 ~ 6000m/min.
9. a kind of degradable, fire-retardant, antimicrobial form operating coat manufacture method according to claim 7, it is characterised in that step
Rapid 2) described polypropylene is 3 with polyethylene terephthalate mass ratio：1, polypropylene is 3 with the mass ratio of hydrogen phosphide：
1,80 ~ 90 DEG C of vacuum drying temperature dries 15 ~ 20h of duration, 250 ~ 300 DEG C of melt temperature, the flow velocity of hot high pressure air-flow for 150 ~
200m/s, 250 ~ 300 DEG C of temperature.
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| CN106136380A (en) * | 2016-06-22 | 2016-11-23 | 大连裕辰科技发展有限公司 | A kind of reusable multiple-protection operating coat |
| CN106540306A (en) * | 2016-11-24 | 2017-03-29 | 阜阳市汇康医疗器械有限公司 | A kind of aseptic medical cotton stick of efficient moisture-retention |
| CN106690585A (en) * | 2017-01-19 | 2017-05-24 | 江苏广达医材集团有限公司 | Surgical degradable disposable surgical gown material |
| CN110091553A (en) * | 2018-07-10 | 2019-08-06 | 江苏陆亿纺织科技有限公司 | A kind of bamboo fibre anti-mite health-care sheet fabric |
| CN111838834A (en) * | 2019-04-18 | 2020-10-30 | 安庆市康明纳包装有限公司 | Multifunctional operating coat |
| CN111820507A (en) * | 2019-04-18 | 2020-10-27 | 安庆市康明纳包装有限公司 | Operating coat with sterilization and anti-seepage functions |
| CN112318998A (en) * | 2020-10-27 | 2021-02-05 | 昆山洁宏无纺布制品有限公司 | Production process of novel antibacterial environment-friendly degradable operating table cloth |
| CN112315073B (en) * | 2020-10-27 | 2023-11-10 | 昆山洁宏无纺布制品有限公司 | Production and processing method of efficient antistatic antibacterial surgical gown |
| US20240123704A1 (en) | 2021-02-18 | 2024-04-18 | Lynam Pharma Limited | Bio-sustainable nonwoven fabrics and methods for making said fabrics |
| CN113650369A (en) * | 2021-08-05 | 2021-11-16 | 宁波三同编织有限公司 | Environment-friendly degradable fabric |
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| JP2599847B2 (en) * | 1991-08-13 | 1997-04-16 | 株式会社クラレ | Polyethylene terephthalate type melt blown nonwoven fabric and its manufacturing method |
| WO2010117612A2 (en) * | 2009-03-31 | 2010-10-14 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs and methods of making and using the same |
| WO2011106205A2 (en) * | 2010-02-23 | 2011-09-01 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs and methods of making and using the same |
| RU2518596C1 (en) * | 2012-11-06 | 2014-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарёва" | Sound-absorbing laminated material |
| CN103085374B (en) * | 2013-02-05 | 2014-12-10 | 宁波市奇兴无纺布有限公司 | Melt-blown activated carbon non-woven fabric and its production technology |
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| CN204109496U (en) * | 2014-09-27 | 2015-01-21 | 合肥普尔德医疗用品有限公司 | A kind of medical composite material for making operating coat and protective garment |
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