CN105077764A - Degradable, flame-retarded and anti-bacterial surgical gown and making method thereof - Google Patents
Degradable, flame-retarded and anti-bacterial surgical gown and making method thereof Download PDFInfo
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Abstract
The invention provides a degradable, flame-retarded and anti-bacterial surgical gown and a making method thereof. The surgical gown is made of a non-woven fabric, and the non-woven fabric comprises a first base fabric layer, a heat insulation layer, a waterproof layer, an anti-bacterial layer and a second base fabric layer which are sequentially bonded from bottom to top; the first base fabric layer is formed by crisscross distributing composite fibers which are formed by fusing and spinning polyhydroxybutyrate and polylactic acid; the second base fabric layer is formed by crisscross distributing composite fibers which are formed by fusing and spinning polypropylene and polyethylene glycol terephthalate; the surface of the first base fabric layer and the surface of the second base fabric layer are each provided with a plurality of through holes, the hole opening ratio is 90-95 percent, and the hole diameter is 0.1-0.2 mm. According to the surgical gown, the inner layer of the adopted non-woven fabric can be degraded, the good flame-retarded, moisture absorption, anti-bacterial and breathable functions can be achieved, the strength is high, and wearing is comfortable.
Description
Technical field
The present invention relates to a kind of degradable, fire-retardant, antimicrobial form operating coat and manufacture method thereof.
Background technology
Non-woven fabrics (NonWovenFabric or Nonwovencloth) is also known as adhesive-bonded fabric, a kind ofly do not need to spin cotton and weave cloth and the fabric formed, just textile staple or long filament are carried out orientation or random alignment, form fibre net structure, then adopt machinery, the method such as hot sticky or chemical reinforces and form.
The clothing that operating coat is worn when performing the operation to patient for medical worker, operating coat fabric used belongs to medical loomage, main (barrier) performance of obstruct emphatically.Barrier property comprises the performance preventing liquid and microbe infiltration.Medical personnel are carrying out in medical aid, inevitably touch blood and the body fluid of patient, the blood of patient and body fluid often may carry the various pathogen such as HBV (hepatitis b virus), HCV (hepatitis C virus) and HIV (AIDS virus).Secondly, operating coat also should be neatly clean in dress uses, and not easily produce soft flocks or micronic dust, the fine hair, particulate etc. that drop because of operating coat surface easily carry pathogen, work the mischief to patient safety; Meanwhile, distraction force and the abrasion resistance properties of fabric should be considered when assessing the barrier propterty of operating coat.Because breaking of clothes directly contacts making pathogen produce with the skin of medical personnel with wearing and tearing, makes operating coat lose protective capacities.In addition, the blood of patient during operation understands splash out, so operating coat also must possess certain adsorption function and water pressure resistance performance.In addition, operating coat also should meet comfortableness, other requirements such as fire-retardant, antistatic.
At present, a lot of operating coat manufacturers many employings non-woven fabrics manufactures operating coat, but, present stage operating coat non-woven fabrics, most function singleness, such as only consider anti-flammability and ignore snugness of fit etc., as Chinese patent 201320095894.8, disclose a kind of medical adhesive-bonded fabric, comprise base cloth layer, base cloth layer upper and lower surface is fixedly installed fibrous face layer and watertight composition respectively, the outer surface of watertight composition is fixedly installed the flame-retardant layer adhered to by fireproof powder, base cloth layer is interwoven by dacron thread, evenly distributedly in base cloth layer be provided with air-vent, fibrous face layer is formed by warp thread and weft yarns, all bamboo-carbon fibre is woven with in warp thread and weft yarn.Bamboo-carbon fibre is intertwined with in the fibrous face layer of this medical adhesive-bonded fabric, bamboo-carbon fibre moisture absorption is breathed freely, soft comfortable, fine and smooth, air-permeable cool, deodorizing sterilizing, evenly distributedly in base cloth layer be provided with air-vent, long-time use or high temperature time still refrigerant comfortable and ventilative, it is waterproof impervious that watertight composition is set, the liquid preventing outside to be infected with patient's virus invades, be applicable to medical garment cloth, and this medical adhesive-bonded fabric is provided with the flame-retardant layer adhered to by fireproof powder, fire prevention deodorizing, can sterilization be toasted, be convenient to cleaning and sterilizing.Although it is provided with flame-retardant layer, but and the concrete composition of not mentioned fireproof powder, and it is unclear, if use current widely used halogen containing flame-retardant, as run into cloth burning, the halogen burning so in it can produce a large amount of hydrogen halides, causes secondary injury, and its material therefor is difficult to degraded, is unfavorable for the process of discarded non-woven fabrics.
Summary of the invention
For solving above-mentioned Problems existing, the object of the present invention is to provide its manufacture method of a kind of degradable, fire-retardant, antimicrobial form operating coat and operating coat non-woven fabrics, described operating coat non-woven fabrics internal layer degradable, and there is good fire-retardant, moisture absorption, antibacterial, airing function, intensity is high, comfortable and easy to wear.
For achieving the above object, technical scheme of the present invention is:
A kind of degradable, fire-retardant, antimicrobial form operating coat, described operating coat adopts degradable, non-woven fabrics that is fire-retardant, antimicrobial form is made, and this non-woven fabrics comprises: the first base cloth layer bondd successively from the bottom to top, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer; Described first base cloth layer by poly butyric ester and PLA melting, spray crisscross arrangement of composite fibre that silk formed and formed; Described second base cloth layer by polypropylene and PETG melting, spray crisscross arrangement of composite fibre that silk formed and formed; Described first base cloth layer and the second base cloth layer surface offer some through holes respectively, and percent opening is 90 ~ 95%, and aperture is 0.1 ~ 0.2mm.
Further, described polypropylene and the melting of modified polypropene eyeball, the cross sectional shape spraying the composite fibre that silk is formed are X-type; Described poly butyric ester and PLA melting, the cross sectional shape spraying the composite fibre that silk is formed are cross.
Separately, described watertight composition is polytetrafluoroethylene floor, and described thermal insulation layer is aramid fiber nonwoven layer, and described antibiotic layer is the nonwoven layer being coated with Ag-carried nanometer titanium dioxide.
Separately have, described first base cloth layer is spun-bonded non-woven fabrics layer.
Again, described second base cloth layer is spray fusing nonwoven layer.
Further, the Thickness Ratio of described first base cloth layer, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer is 3:2:4:3:3.
And described first base cloth layer and the second base cloth layer every square metre of quality are respectively 200 ~ 300g.
Meanwhile, the present invention also provides the preparation method of a kind of degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics, comprises the steps:
1) the first base cloth layer is manufactured
After poly butyric ester crystalline chip, drying, send into screw extruder heating, melting, be squeezed into poly butyric ester melt, PLA is instilled in described poly butyric ester melt with the form of suspension, be uniformly mixed rear feeding spinneret spray silk, drawing-off, obtain poly butyric ester/PLA Composite Fiber, form fibre web by even for gained composite fibre lay to web plate, fibre web is reinforced through needing machine, obtain described first base cloth layer, the first base cloth layer surface perforate;
2) the second base cloth layer is manufactured
Polypropylene particles is carried out vacuum drying, dried polypropylene particles is sent into screw extruder heat, melting, pressurization forms melt polypropylene, in melting process, add hydrogen phosphide, PETG is instilled in described melt polypropylene with the form of suspension, stir to obtain blend melt, sprayed by die head spinneret orifice, heated by the hot high pressure air-flow of die head both sides, blend melt stretches under the effect of hot high pressure air-flow, obtain polypropylene/PETG composite fibre, be cooled to room temperature, form fibre web, fibre web is reinforced through needing machine, obtain described second base cloth layer, second base cloth layer surface perforate,
3) molding bonded
Described first base cloth layer, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer to be bondd to obtain described operation medical adhesive-bonded fabric finished product by polyamide from the bottom to top successively.
Further, step 1) the mass ratio 2:1 of described poly butyric ester and PLA, dry duration 12 ~ 16h, melt temperature 200 ~ 300 DEG C, draft speed is 5500 ~ 6000m/min.
Separately, step 2) described polypropylene and PETG mass ratio be 3:1, the mass ratio of polypropylene and hydrogen phosphide is 3:1, vacuum drying temperature 80 ~ 90 DEG C, dry duration 15 ~ 20h, melt temperature 250 ~ 300 DEG C, the flow velocity of hot high pressure air-flow is 150 ~ 200m/s, temperature 250 ~ 300 DEG C.
Beneficial effect of the present invention is:
First base cloth layer by poly butyric ester and PLA melting, spray the composite fibre that silk formed and formed, make composite fibre have stronger degradable ability; Second base cloth layer by polypropylene and PETG melting, spray crisscross arrangement of composite fibre that silk formed and formed, effectively can promote the electrical insulating property of the second base cloth layer, fatigue durability and crocking resistance, and polypropylene adds hydrogen phosphide fire retardant in melting process, effectively can promote the fire resistance of composite fibre, hydrogen phosphide is halogen-free flame retardants, good flame retardation effect, even if burning, also can not produce pernicious gas; Set up antibiotic layer, effectively can promote antibacterial ability; First base cloth layer and the second base cloth layer surface offer through hole respectively, effectively can promote air permeable effect; The design of activated carbon adsorption layer, adsorbable extraneous harmful substance, protects healthy.
Accompanying drawing explanation
The structural representation of the non-woven fabrics adopted in a kind of degradable that Fig. 1 provides for the embodiment of the present invention, fire-retardant, antimicrobial form operating coat.
The structural representation in the first base cloth layer composite fibre cross section in the non-woven fabrics adopted in a kind of degradable that Fig. 2 provides for the embodiment of the present invention, fire-retardant, antimicrobial form operating coat.
The structural representation in the second base cloth layer composite fibre cross section in the non-woven fabrics adopted in a kind of degradable that Fig. 3 provides for the embodiment of the present invention, fire-retardant, antimicrobial form operating coat.
Detailed description of the invention
See Fig. 1 ~ Fig. 3, a kind of degradable of the present invention, fire-retardant, antimicrobial form operating coat, described operating coat adopts degradable, non-woven fabrics that is fire-retardant, antimicrobial form is made, and this non-woven fabrics comprises: the first base cloth layer 1 bondd successively from the bottom to top, thermal insulation layer 2, watertight composition 3, antibiotic layer 4 and the second base cloth layer 5; Described first base cloth layer 1 by poly butyric ester and PLA melting, spray crisscross arrangement of composite fibre that silk formed and formed; Described second base cloth layer 5 by polypropylene and PETG melting, spray crisscross arrangement of composite fibre that silk formed and formed; Described first base cloth layer 1 and the second base cloth layer 5 surface offer some through holes (not shown) respectively, and percent opening is 90 ~ 95%, and aperture is 0.1 ~ 0.2mm.
Further, described polypropylene and the melting of modified polypropene eyeball, the cross sectional shape spraying the composite fibre that silk is formed are X-type; Described poly butyric ester and PLA melting, the cross sectional shape spraying the composite fibre that silk is formed are cross.
Separately, described watertight composition 3 is polytetrafluoroethylene floor, and described thermal insulation layer 2 is aramid fiber nonwoven layer, and described antibiotic layer 4 is for being coated with the nonwoven layer of Ag-carried nanometer titanium dioxide.
Separately have, described first base cloth layer 1 is spun-bonded non-woven fabrics layer.
Again, described second base cloth layer 5 is spray fusing nonwoven layer.
Further, the Thickness Ratio of described first base cloth layer 1, thermal insulation layer 2, watertight composition 3, antibiotic layer 4 and the second base cloth layer 5 is 3:2:4:3:3.
And described first base cloth layer and the second base cloth layer every square metre of quality are respectively 200 ~ 300g.
Meanwhile, the preparation method of degradable of the present invention, fire-retardant, antimicrobial form operating coat non-woven fabrics, comprises the steps:
1) the first base cloth layer is manufactured
After poly butyric ester crystalline chip, drying, send into screw extruder heating, melting, be squeezed into poly butyric ester melt, PLA is instilled in described poly butyric ester melt with the form of suspension, be uniformly mixed rear feeding spinneret spray silk, drawing-off, obtain poly butyric ester/PLA Composite Fiber, form fibre web by even for gained composite fibre lay to web plate, fibre web is reinforced through needing machine, obtain described first base cloth layer, the first base cloth layer surface perforate;
2) the second base cloth layer is manufactured
Polypropylene particles is carried out vacuum drying, dried polypropylene particles is sent into screw extruder heat, melting, pressurization forms melt polypropylene, in melting process, add hydrogen phosphide, PETG is instilled in described melt polypropylene with the form of suspension, stir to obtain blend melt, sprayed by die head spinneret orifice, heated by the hot high pressure air-flow of die head both sides, blend melt stretches under the effect of hot high pressure air-flow, obtain polypropylene/PETG composite fibre, be cooled to room temperature, form fibre web, fibre web is reinforced through needing machine, obtain described second base cloth layer, second base cloth layer surface perforate,
3) molding bonded
Described first base cloth layer, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer to be bondd to obtain described operation medical adhesive-bonded fabric finished product by polyamide from the bottom to top successively.
Further, step 1) the mass ratio 2:1 of described poly butyric ester and PLA, dry duration 12 ~ 16h, melt temperature 200 ~ 300 DEG C, draft speed is 5500 ~ 6000m/min.
Separately, step 2) described polypropylene and PETG mass ratio be 3:1, the mass ratio of polypropylene and hydrogen phosphide is 3:1, vacuum drying temperature 80 ~ 90 DEG C, dry duration 15 ~ 20h, melt temperature 250 ~ 300 DEG C, the flow velocity of hot high pressure air-flow is 150 ~ 200m/s, temperature 250 ~ 300 DEG C.
Table 1 is degradable described in the embodiment of the present invention, the fabrication process condition list of fire-retardant, antimicrobial form operating coat non-woven fabrics.The performance parameter list of table 2 degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics obtained by the embodiment of the present invention.
Table 1
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Thickness (mm) | 0.35 | 0.45 | 0.38 | 0.37 | 0.39 |
| Longitudinal tensile strength (MPa) | 51.8 | 53.9 | 56.4 | 52.1 | 54.5 |
| Transverse tensile strength (MPa) | 96.1 | 103.3 | 106.3 | 95.4 | 105.5 |
| Longitudinal fracture percentage elongation (%) | 204.3 | 215.4 | 209.2 | 201.6 | 202.4 |
| Transverse breakage percentage elongation (%) | 157.9 | 155.3 | 166.2 | 155.1 | 158.9 |
| Vapor transfer rate WVT g (m 2.d) | 234 | 230 | 247 | 236 | 238 |
| Air breathability 1/m 2/s | ＞150 | ＞150 | ＞150 | ＞150 | ＞150 |
| Anti-flammability | UL94V-0 | UL94V-0 | UL94V-0 | UL94V-0 | UL94V-0 |
It should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to the technical scheme of invention or equivalent replacement, and not depart from the scope of technical solution of the present invention, it all should be encompassed in right of the present invention.
Claims (10)
1. degradable, fire-retardant, an antimicrobial form operating coat, is characterized in that, described operating coat adopts degradable, non-woven fabrics that is fire-retardant, antimicrobial form is made, and this non-woven fabrics comprises:
The first base cloth layer bondd successively from the bottom to top, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer;
Described first base cloth layer by poly butyric ester and PLA melting, spray crisscross arrangement of composite fibre that silk formed and formed;
Described second base cloth layer by polypropylene and PETG melting, spray crisscross arrangement of composite fibre that silk formed and formed;
Described first base cloth layer and the second base cloth layer surface offer some through holes respectively, and percent opening is 90 ~ 95%, and aperture is 0.1 ~ 0.2mm.
2. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, described polypropylene and the melting of modified polypropene eyeball, the cross sectional shape spraying the composite fibre that silk is formed are X-type; Described poly butyric ester and PLA melting, the cross sectional shape spraying the composite fibre that silk is formed are cross.
3. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, described watertight composition is polytetrafluoroethylene floor, and described thermal insulation layer is aramid fiber nonwoven layer, and described antibiotic layer is the nonwoven layer being coated with Ag-carried nanometer titanium dioxide.
4. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, described first base cloth layer is spun-bonded non-woven fabrics layer.
5. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, described second base cloth layer is spray fusing nonwoven layer.
6. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, the Thickness Ratio of described first base cloth layer, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer is 3:2:4:3:3.
7. a kind of degradable according to claim 1, fire-retardant, antimicrobial form operating coat, is characterized in that, described first base cloth layer and the second base cloth layer every square metre of quality are respectively 200 ~ 300g.
8. the preparation method of degradable, fire-retardant, antimicrobial form operating coat non-woven fabrics according to any one of claim 1 ~ 7, is characterized in that, comprise the steps:
Manufacture the first base cloth layer
After poly butyric ester crystalline chip, drying, send into screw extruder heating, melting, be squeezed into poly butyric ester melt, PLA is instilled in described poly butyric ester melt with the form of suspension, be uniformly mixed rear feeding spinneret spray silk, drawing-off, obtain poly butyric ester/PLA Composite Fiber, form fibre web by even for gained composite fibre lay to web plate, fibre web is reinforced through needing machine, obtain described first base cloth layer, the first base cloth layer surface perforate;
Manufacture the second base cloth layer
Polypropylene particles is carried out vacuum drying, dried polypropylene particles is sent into screw extruder heat, melting, pressurization forms melt polypropylene, in melting process, add hydrogen phosphide, PETG is instilled in described melt polypropylene with the form of suspension, stir to obtain blend melt, sprayed by die head spinneret orifice, heated by the hot high pressure air-flow of die head both sides, blend melt stretches under the effect of hot high pressure air-flow, obtain polypropylene/PETG composite fibre, be cooled to room temperature, form fibre web, fibre web is reinforced through needing machine, obtain described second base cloth layer, second base cloth layer surface perforate,
Molding bonded
Described first base cloth layer, thermal insulation layer, watertight composition, antibiotic layer and the second base cloth layer to be bondd to obtain described operation medical adhesive-bonded fabric finished product by polyamide from the bottom to top successively.
9. the manufacture method of a kind of degradable according to claim 8, fire-retardant, antimicrobial form operating coat non-woven fabrics, it is characterized in that, step 1) the mass ratio 2:1 of described poly butyric ester and PLA, dry duration 12 ~ 16h, melt temperature 200 ~ 300 DEG C, draft speed is 5500 ~ 6000m/min.
10. the manufacture method of a kind of degradable according to claim 8, fire-retardant, antimicrobial form operating coat non-woven fabrics, it is characterized in that, step 2) described polypropylene and PETG mass ratio be 3:1, the mass ratio of polypropylene and hydrogen phosphide is 3:1, vacuum drying temperature 80 ~ 90 DEG C, dry duration 15 ~ 20h, melt temperature 250 ~ 300 DEG C, the flow velocity of hot high pressure air-flow is 150 ~ 200m/s, temperature 250 ~ 300 DEG C.
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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 |
| 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 |
| CN111838834A (en) * | 2019-04-18 | 2020-10-30 | 安庆市康明纳包装有限公司 | Multifunctional operating coat |
| 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 |
| CN112315073A (en) * | 2020-10-27 | 2021-02-05 | 昆山洁宏无纺布制品有限公司 | Production and processing method of efficient anti-static antibacterial operating gown |
| CN113650369A (en) * | 2021-08-05 | 2021-11-16 | 宁波三同编织有限公司 | Environment-friendly degradable fabric |
| WO2022175771A1 (en) | 2021-02-18 | 2022-08-25 | Lynam Pharma Limited | Bio-sustainable nonwoven fabrics and methods for making said fabrics |
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| 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 |
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| 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 |
| CN112315073A (en) * | 2020-10-27 | 2021-02-05 | 昆山洁宏无纺布制品有限公司 | Production and processing method of efficient anti-static antibacterial operating gown |
| 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 |
| WO2022175771A1 (en) | 2021-02-18 | 2022-08-25 | 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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