CN105568563B - Raw material and protective garment are taken in protection - Google Patents
Raw material and protective garment are taken in protection Download PDFInfo
- Publication number
- CN105568563B CN105568563B CN201510727464.7A CN201510727464A CN105568563B CN 105568563 B CN105568563 B CN 105568563B CN 201510727464 A CN201510727464 A CN 201510727464A CN 105568563 B CN105568563 B CN 105568563B
- Authority
- CN
- China
- Prior art keywords
- woven fabrics
- raw material
- spun
- taken
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Nonwoven Fabrics (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Laminated Bodies (AREA)
Abstract
The purpose of the present invention is to provide a kind of protection to take raw material, has as dust tightness, water resistance, intensity required for protective garment, and feel is excellent, also has gas permeability.Raw material are taken in the protection, it is will be made of spun-bonded non-woven fabrics and melt spraying non-woven fabrics lamination, it is at least 3 layers of the multi-layer nonwoven fabrics that outermost layer is spun-bonded non-woven fabrics that raw material are taken in the protection, the range that melt spraying non-woven fabrics in above-mentioned multi-layer nonwoven fabrics are 0.17~0.36 relative to the weight rate of spun-bonded non-woven fabrics, total weight per unit area of above-mentioned multi-layer nonwoven fabrics are 45~55g/m2Range.
Description
Technical field
The present invention relates to a kind of protection to take raw material and protective garment.More specifically, it is related to a kind of there is dust tightness, resistance to
Raw material and protective garment are taken in aqueous, intensity, gas permeability and the good protection of feel.
Background technique
In association facility such as atomic power station etc., from the viewpoint of preventing radioactive contamination, polluted using body
Protective garment.Having dust tightness, water resistance, intensity etc. is required to body pollution protective garment.
Currently, as protective garment, for example, as disposable protective clothing, using using the polyolefin formed by flash spinning
It is the protective garment of non-woven fabrics, using the protective garment for being bonded the raw material that porous polyethylene and polyolefin non-woven fabrics obtain.However,
It is sultry bright under there are gas permeabilities operating environment low, in summer although the dust tightness of this protective garment, excellent water resistance
Aobvious, wearer is easy the shortcomings that heatstroke.
On the other hand, as the non-woven fabrics for improving water resistance, penetrability, the well known spunbond for polyolefin is (hereinafter, have
Shi Jiwei SB) non-woven fabrics/melt-blown (hereinafter, being denoted as MB sometimes) non-woven fabrics/spun-bonded non-woven fabrics complex, with so-called SMS knot
Structure is the compound nonwoven cloth of representative.It is also known that the compound nonwoven cloth is utilized (such as patent document 1) as simple dress material etc..Specially
For the compound nonwoven cloth of sharp document 1 compared with above-mentioned non-woven fabrics, gas permeability, penetrability are high, are not easy to feel oppressed, but due to unit area
Weight is high, so feel is hardened.Therefore, feel uncomfortable when putting on clothes when operation, the form as covering whole body
Protective garment is improper.
There is melt-blown non-woven fabric layer with spun-bonded non-woven fabrics layer, at least 1 layer of internal layer in outermost layer and spun as being formed
It is well known (patent document 2) that the resin of bonded non-woven fabrics layer, which uses the non-woven fabrics of the resin with specific fusing caloric receptivity,.Specially
The purpose of the invention of sharp document 2 is, obtains having high intensity and high watertight multi-layer nonwoven fabrics, by using above-mentioned
The non-woven fabrics of composition can carry out the welding of low temperature in the manufacture of multi-layer nonwoven fabrics, prevent the aperture of melt-blown non-woven fabric layer, really
Protect the bond strength of interlayer.But using specific acrylic resin to obtain weight per unit area small for the invention of patent document 2
It (is in embodiment 8~35g/m2) non-woven fabrics, it cannot be realized using cost appropriate as dust tightness required for protective garment, by force
Degree, water resistance.
Non-woven fabrics high as flexibility, to be used in dust coat etc., proposes patent document 3.But due to patent text
3 non-woven fabrics is offered using thermoplastic elastomer resin as principal component, so while excellent retractility and flexibility can be obtained, but
Since the intensity of thermoplastic elastomer (TPE) monomer is weak, in addition, superfineization of the fiber of obtained non-woven fabrics is difficult, so in the presence of cannot
The problem of meeting required intensity and water resistance.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 6-114991 bulletin
Patent document 2:WO2014/042253 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2003-129363 bulletin
Summary of the invention
Problems to be solved by the invention
The present invention is the invention solved the problem above-mentioned, it is intended that providing a kind of with as required for protective garment
Dust tightness, water resistance, intensity and feel is excellent, also with the protection of gas permeability takes raw material.
The method used for solving the problem
The present inventor takes raw material to develop the protection with above-mentioned performance, has been repeated and has deeply ground
Study carefully, as a result, it has been found that: in the raw material made of lamination spun-bonded non-woven fabrics and melt spraying non-woven fabrics, preferably by outermost layer be set as spunbond without
Total weight per unit area is set as particular range, and then found by woven fabric layer: weight of the melt spraying non-woven fabrics relative to spun-bonded non-woven fabrics
Ratio shows conclusive influence to performance.And find: being specific in the weight rate of spun-bonded non-woven fabrics and melt spraying non-woven fabrics
Range when, all meet above-mentioned performance, can obtain taking the suitable multi-layer nonwoven fabrics of raw material as protection, complete this hair
It is bright.
That is, the present invention relates to (1) it is a kind of protection take raw material, be by spun-bonded non-woven fabrics and melt spraying non-woven fabrics lamination and
At, it is at least 3 layers of the multi-layer nonwoven fabrics that outermost layer is spun-bonded non-woven fabrics, above-mentioned multi-layer nonwoven fabrics which, which takes raw material,
In melt spraying non-woven fabrics relative to spun-bonded non-woven fabrics weight rate be 0.17~0.36 range, above-mentioned multi-layer nonwoven fabrics it is total
Weight per unit area is 45~55g/m2Range.
(2) being surveyed according to JIS-L1096.8.21.4D method for the preferably above-mentioned multi-layer nonwoven fabrics of raw material is taken in above-mentioned protection
The value of fixed rigid softness is 55mm or more.
(3) weight per unit area that the preferred melt spraying non-woven fabrics of raw material are taken in above-mentioned protection adds up to 8~12g/m2。
(4) raw material lamination preferably between outermost spun-bonded non-woven fabrics is taken in above-mentioned protection 2 layers of melt spraying non-woven fabrics.
(5) above-mentioned protection take the tensile strength that raw material are preferably measured according to JIS-L1913 be longitudinal direction 90N or more,
Lateral 50N or more, tearing strength are longitudinal direction 13N or more, transverse direction 13N or more, are measured according to JIS-L1092-7.1A method resistance to
Hydraulic pressure is 600mmH2O or more.
(6) it is polypropylene that above-mentioned protection, which takes raw material and preferably comprises the resin of above-mentioned multi-layer nonwoven fabrics,.
(7) above-mentioned protection takes raw material preferably in above-mentioned multi-layer nonwoven fabrics, spun-bonded non-woven fabrics and melt spraying non-woven fabrics by
Acrylic resin same to each other is constituted.
Moreover, it relates to
(8) protective garment that raw material are constituted is taken by the protection of (1)~(7).
The effect of invention
In accordance with the invention it is possible to which providing has dust tightness, water resistance required for being used as protective garment, intensity and feel excellent
Raw material are taken in different, the also protection with gas permeability.In addition, in accordance with the invention it is possible to providing with above-mentioned characteristic and feel, wearing
Excellent protective garment is felt when upper clothes.
Specific embodiment
Raw material multi-layer nonwoven fabrics structure as made of lamination spun-bonded non-woven fabrics and melt spraying non-woven fabrics is taken in protection of the invention
At the outermost layer of multi-layer nonwoven fabrics is spun-bonded non-woven fabrics, and melt spraying non-woven fabrics are 0.17 relative to the weight rate of spun-bonded non-woven fabrics
~0.36 range, total weight per unit area are 45~55g/m2Range.
The resin for constituting multi-layer nonwoven fabrics is illustrated.As long as the thermoplastic resin for multi-layer nonwoven fabrics can be realized
The purpose of the present invention can be any resin, can enumerate: the polyolefin such as polypropylene, polyethylene, polyethylene terephthalate
The polyamide such as the polyester such as ester, polybutylene terephthalate (PBT), nylon 6, nylon66 fiber or their copolymer, polyvinyl chloride, third
Olefin(e) acid system or acrylic acid series copolymer, polystyrene, polysulfones, polytrifluorochloroethylene, polycarbonate, polyurethane etc., but from spinning
Stability, low cost etc. consideration is, it is preferable to use polypropylene.
Using in polyacrylic situation, from the aspect of intensity, preferably 140 DEG C or more of polyacrylic fusing point.It is said
Bright, fusing point is defined as being warming up to by using differential scanning calorimeter (DSC) from -10 DEG C with 10 DEG C/min in the present invention
The summit at the peak that the highest temperature side of endothermic curve obtained from 200 DEG C is observed.In addition, from the aspect of spinnability, preferred root
It is 10~100g/10min's according to the melt flow rate (MFR) that ASTM D1238 (230 DEG C of measuring temperature, load 2.16kg) is measured
Range.
Multi-layer nonwoven fabrics have spun-bonded non-woven fabrics layer (SB layer) and melt-blown non-woven fabric layer (MB layers), composition SB layers resin with
The resin for constituting MB layers can be resin same to each other, can also be different.In the manufacturing process of multi-layer nonwoven fabrics, as general
The SB layers and MB layers method for being easy and/or being inexpensively bonded, when enumerating thermal welding or hot embossed cotton, according at this time if it is tool
There is the same resin of the identical fusing point then high reason of cementability, more preferably uses identical resin.In turn, it is examined in terms of cost
Consider, it is preferable to use olefin-based resin.Be explained, be resin same to each other refer to for regulation polymerized unit, average molecular weight,
The mutually almost the same resin of the usual parameter of the resin of fusing point, melt viscosity etc. also includes having from undesired life
The resin of the minute differences of factor or raw material in production.
Protection of the invention takes raw material using spun-bonded non-woven fabrics and melt spraying non-woven fabrics, using outermost 2 layers (as folded
2 layers of layer of the both ends of layer structure) it is that the modes of spun-bonded non-woven fabrics carries out lamination.For example, for such as spun-bonded non-woven fabrics/melt-blown nonwoven
The outermost 2 layers laminated construction for spun-bonded non-woven fabrics that cloth/spun-bonded non-woven fabrics configure like that.
As long as laminated construction outermost layer is spun-bonded non-woven fabrics, and at least 3 layers, it is not particularly limited, can enumerates
Such as with spun-bonded non-woven fabrics/melt spraying non-woven fabrics/spun-bonded non-woven fabrics sequence lamination multi-layer nonwoven fabrics (hereinafter, by the multilayer without
The structure of woven fabric be also referred to as " SMS structure "), spun-bonded non-woven fabrics/melt spraying non-woven fabrics/melt spraying non-woven fabrics/spun-bonded non-woven fabrics (hereinafter,
Also referred to as " SMMS structure " by the structure of the multi-layer nonwoven fabrics), spun-bonded non-woven fabrics/melt spraying non-woven fabrics/melt spraying non-woven fabrics/melt-blown nothing
Woven fabric/spun-bonded non-woven fabrics (hereinafter, by the structure of the multi-layer nonwoven fabrics be also referred to as " SMMMS structure "), spun-bonded non-woven fabrics/spunbond without
Woven fabric/melt spraying non-woven fabrics/spun-bonded non-woven fabrics (hereinafter, by the structure of the multi-layer nonwoven fabrics be also referred to as " SSMS structure "), spunbond without
Woven fabric/spun-bonded non-woven fabrics/melt spraying non-woven fabrics/melt spraying non-woven fabrics/spun-bonded non-woven fabrics are (hereinafter, by the structure of the multi-layer nonwoven fabrics
Referred to as " SSMMS structure ").Wherein, be SMMS structure when, in terms of water resistance and manufacturing cost preferably.
As long as the spun-bonded non-woven fabrics of the invention prepared non-woven fabrics of spun-bond process.That is, in spun-bond process
In, it is reduced to the molten polymer for the temperature for capableing of fibrosis to attract gas to carry out attraction drawing using high speed for what is come out from nozzle
It stretches, later, carries out fibrillation using fiber-opening apparatus, collision trapping is carried out in the mesh of belt, thus makes non-woven fabrics.
If the average fibre diameter of spun-bonded non-woven fabrics be 25 μm hereinafter, if in terms of tensile strength and feel preferably.
In addition, the weight per unit area of spun-bonded non-woven fabrics adds up to preferably 33~47g/m2Range.If it is 33g/m2With
On, then it can be improved tensile strength, if it is 47g/m2Hereinafter, then excellent in terms of feel.
As long as the non-woven fabrics made for melt spraying non-woven fabrics of the invention using meltblown.That is, in meltblown,
To the thread blowing heating high-speed gas of molten polymer, molten polymer is stretched and superfine fibre using its air-flow
Change, is trapped, thus make non-woven fabrics.
If the average fibre diameter of melt spraying non-woven fabrics be 3 μm hereinafter, if in terms of dust tightness and water resistance preferably.
The weight per unit area of melt spraying non-woven fabrics adds up to preferably 8~12g/m2Range.If it is 8g/m2More than, then can
Excellent dust tightness is enough played, if it is 12g/m2Hereinafter, then excellent in terms of feel.
Moreover, melt spraying non-woven fabrics are important relative to the range that the weight rate of spun-bonded non-woven fabrics is 0.17~0.36,
If ratio is lower than 0.17, water resistance cannot be played.In addition, when it is more than 0.36, although water pressure resistance fully plays,
It is not able to maintain intensity.Be explained, the weight for taking melt spraying non-woven fabrics used in raw material as protection is total and spunbond without
The weight of woven fabric is total to find out weight rate.That is, by the total list with spun-bonded non-woven fabrics of weight per unit area of melt spraying non-woven fabrics
Position area weight is total can also to find out weight rate.
Raw material are taken in protection of the invention it is important that total weight per unit area of multi-layer nonwoven fabrics is 45~55g/m2
Range, when weight per unit area be lower than 45g/m2When, the intensity of requirement cannot be played.In addition, if weight per unit area
More than 55g/m2Although intensity improves, feel hard, feeling when damage is put on clothes.
In addition, being measured according to JIS-L1096.8.21.4D method (heart-shaped circle method, heart loop method) rigid soft
The value of degree is that 55mm or more is important.In the range, feel can satisfy.Preferably 60mm or more.
It is able to use in such a way that rigid softness becomes 55mm or more, is mixed with the non-woven fabrics of softening agent, is coated on surface
The non-woven fabrics of softening agent.It as softening agent, can enumerate: hydrocarbon system wax, fatty acid amide compound, silicon-type compound, advanced
Alcohol, surfactant or their mixture.
It is preferably 200~300 μm that the thickness of raw material is taken in protection.When it is 200 μm or more, intensity when in use
Aspect is excellent, excellent in terms of feel when it is 300 μm or less.
Protection take raw material tensile strength be longitudinal direction 90N or more, transverse direction 50N or more, tearing strength for longitudinal direction 13N with
Above, also survivable in the case where long-time is worn when transverse direction 13N or more, it is preferred.Be explained, tensile strength according to
JIS-L1913-6.3 tensile strength is measured, and tearing strength is surveyed according to JIS-L1913-6.4 tearing strength list tongue method
It is fixed.
The water pressure resistance that raw material are taken in protection is 600mmH2When O or more, the water resistance being suitble to as protective garment can be obtained,
Therefore preferably.Water pressure resistance is measured according to JIS-L1092-7.1A method (low hydraulic pressure method).
Multi-layer nonwoven fabrics of the invention are suitable as protection and take raw material.It can take raw material by that will protect and cut out
Component is taken at the production protection of defined shape, the method well known to sewing, welding, crimping, bonding etc. is by each component in conjunction with next
Manufacture protective garment.As protective garment, become whole body protection type protective garment, robe, the raincoat shape of company's body dress type of whole body connecting-type
The forms such as the clothes of form there is no limit the preferably protective garments of whole body protection type.In addition, raw material can be taken with protection
The arbitrary component such as zipper, belt, suture, rubber is applied in combination.
In protective garment, raw material of the invention can be used as 1 layer of cloth and silk, can also be overlapped 2 it is used above.
For example, multiple uses that partly overlap that can only more than the consumption of the raw material such as articular portion, bound fraction.Furthermore it is possible to root
According to needing to share other enhancing cloth and silks etc..
Embodiment
Hereinafter, the present invention is described in more detail by embodiment, but the present invention is not by any restriction of these examples.
It is explained, the various physical property in embodiment and comparative example are measured by measuring method below.
[measuring method]
(1) rigid softness
According to the just soft D method (heart-shaped circle method) of the 8.21.4 of JIS-L1096, it is measured with the following method.By length
250mm × width 20mm test film rounds up decimal point first of the average value resulting in longitudinally 10 points of measurement
Value is used as rigid softness.
(2) tensile strength
According to 6.3 tensile strengths of JIS-L1913, it is measured with the following method.With constant speed elongation type tension test
Length 300mm × width 50mm test film is clamped interval 200mm, 200 ± 10mm/min of tensile speed by device to be implemented to stretch
Test, finds out to the intensity of the busy hour of fracture (N) Dao 0.1N, as tensile strength (N/5cm).Tensile strength
When for longitudinal 90N or more, transverse direction 50N or more, it can obtain as the preferred intensity of protective garment.
(3) tearing strength
It is measured according to the 6.4 tearing strength list tongue methods of JIS-L1906.Tearing strength is longitudinal direction 13N or more, laterally
When 13N or more, it can obtain as the preferred intensity of protective garment.
(4) water pressure resistance
It is measured according to the 7.1A method (low hydraulic pressure method) of JIS-L1092.Water pressure resistance is 600mmH2When O or more, it can be obtained
As the preferred water resistance of protective garment.
(5) feel
The non-woven fabrics that evaluation obtains is touched by hand.Evaluation criteria is as described below.
Zero does not have stiffness (U シ), soft feel.
△ slightly has stiffness, there is some hard feels.
× there are stiffness, hard feel.
(6) dust tightness
In obtained non-woven fabrics, measurement sample at 10 is cut into the circle of radius 12.5cm, test cloth is made.With catching
Collect property detecting device and measures each test cloth.The trapping property detecting device, in the sample of the O-ring shape of fixed measurement sample
The upstream side of frame is linked with dirt generating device, is linked with particle collector (Metone corporation, 237B), flow in downstream side
Meter, flow rate regulating valve, pressure fan.In the measurement of dust tightness, cotton fiber cloth and silk is put into dirt generating device, by sending out dirt
Generating apparatus rotates and generates fibre dust.For the dust that the dirt generating device generates, with 10,000~40,000/2.83 × 10- 4m3(0.01ft3) 0.3~0.5 μm of Dust Capacity of adjustment.In addition, before and after it will test cloth and be fixed on specimen holder, with traffic attraction
2.83L/min measuring Dust Capacity.It is explained, the value of dust tightness is found out using following formula, calculates the average value of 10 samples.
Dirt number before dust tightness (%)=((the dirt number after dirt number-sample fixation before sample fixation)) ÷ sample fixation
×100
When the dust tightness that 0.3~0.5 μm of partial size is 95% or more, it can obtain as the preferred dust tightness of protective garment.
(7) air permeability
It is measured according to the 8.26 gas permeability A methods (frazier type (Frazir) method) of JIS-L1096.Air permeability is
10cm3/cm2When sec or more, it can obtain as the preferred gas permeability of protective garment.
[embodiment 1] SMS structure
Using homopolymer of polypropylene (melt flow rate (MFR) 36g/10min (and according to ASTMD1238, with 230 DEG C of temperature,
Load 2.16kg measurement), density 0.9g/cm3, 168 DEG C of fusing point), using spun-bond process by spun-bonded non-woven fabrics (incorporation softening agent) into
Row forming, meltblown spray coating polypropylene superfine fibre is further utilized on the spun-bonded non-woven fabrics, is sprayed on it again immediately later
Spun-bonded non-woven fabrics layer is applied, its integration is made by Embossing processing, obtains weight per unit area 45g/m2, 210 μm of thickness SMS knot
Structure non-woven fabrics.It is explained, spun-bonded non-woven fabrics become 17.5g/m as 20 μm, weight per unit area with average fibre diameter2's
Mode manufactures, and melt spraying non-woven fabrics become 10g/m as 2.0 μm, weight per unit area with average fibre diameter2Mode manufacture.
By the physical property of obtained non-woven fabrics and evaluation result is shown in table 1.
[embodiment 2] SMMS structure
The spraying method of the melt spraying non-woven fabrics of embodiment 1 is changed to 2 times, by the unit area weight of each melt-blown non-woven fabric layer
Amount is set as 5g/m2, melt spraying non-woven fabrics are changed to 2 layers, in addition to this, are made similarly to Example 1.The non-woven fabrics that will be obtained
Physical property and evaluation result is shown in table 1.
[embodiment 3] SMMS structure
Except the weight per unit area of the spun-bonded non-woven fabrics of embodiment 2 is changed to 22.5g/m2In addition, similarly to Example 2
Ground production.By the physical property of obtained non-woven fabrics and evaluation result is shown in table 1.
[embodiment 4] SMS structure
The weight per unit area of the spun-bonded non-woven fabrics of embodiment 1 is changed to 19g/m2, by the unit plane of melt spraying non-woven fabrics
Product weight is changed to 7g/m2, in addition to this, make similarly to Example 1.By the physical property and evaluation result of obtained non-woven fabrics
It is shown in table 1.
[embodiment 5] SMS structure
The weight per unit area of the spun-bonded non-woven fabrics of embodiment 1 is changed to 18.5g/m2, by the unit of melt spraying non-woven fabrics
Area weight is changed to 13g/m2, in addition to this, make similarly to Example 1.By the physical property and evaluation of obtained non-woven fabrics
As a result shown in table 1.
[comparative example 1] SMS structure
Except the weight per unit area of the spun-bonded non-woven fabrics of embodiment 1 is changed to 15g/m2In addition, similarly to Example 1
Production.By the physical property of obtained non-woven fabrics and evaluation result is shown in table 1.
[comparative example 2] SMS structure
Except the weight per unit area of the spun-bonded non-woven fabrics of embodiment 1 is changed to 25g/m2In addition, similarly to Example 1
Production.By the physical property of obtained non-woven fabrics and evaluation result is shown in table 1.
[comparative example 3] SMS structure
The weight per unit area of the spun-bonded non-woven fabrics of embodiment 1 is changed to 22.5g/m2, and then by melt spraying non-woven fabrics
Weight per unit area is changed to 5g/m2, in addition to this, make similarly to Example 1.By the physical property of obtained non-woven fabrics and comment
Valence result is shown in table 1.
[comparative example 4] SMS structure
Except the weight per unit area of the melt spraying non-woven fabrics of embodiment 1 is changed to 15g/m2In addition, similarly to Example 1
Production.By the physical property of obtained non-woven fabrics and evaluation result is shown in table 1.
[table 1]
As shown in table 1, the non-woven fabrics of Examples 1 to 4 is shown: rigid softness, tensile strength, tearing strength, water pressure resistance, hand
Sense, dust tightness, air permeability are above a reference value, have and take the suitable performance of raw material as protection.On the other hand, total unit
The too small comparative example 1 of area weight, tensile strength, tearing strength, water pressure resistance are insufficient, the excessive comparison of total weight per unit area
Example 2, rigid softness is low, and feel is bad.In addition, the comparative example 3 that MB/SB weight rate is too small, water resistance is insufficient, MB/SB weight ratio
The excessive comparative example 4 of rate, rigid softness and air permeability are low, and intensity is also insufficient.
Claims (8)
1. raw material are taken in a kind of protection, it is characterised in that:
It is outermost layer is spunbond nonwoven that it, which is that raw material are taken in the protection by made of spun-bonded non-woven fabrics and melt spraying non-woven fabrics lamination,
The multi-layer nonwoven fabrics of cloth, melt spraying non-woven fabrics in the multi-layer nonwoven fabrics relative to the weight rate of spun-bonded non-woven fabrics be 0.17~
0.36 range, total weight per unit area of the multi-layer nonwoven fabrics are 45~55g/m2Range, in the outermost spinning
Lamination has 2 layers of melt spraying non-woven fabrics between bonded non-woven fabrics,
The average fibre diameter of the spun-bonded non-woven fabrics be 25 μm hereinafter,
The average fibre diameter of the melt spraying non-woven fabrics be 3 μm hereinafter,
The air permeability that raw material are taken in the protection is 10cm3/cm2Sec or more, it is described to protect the basis for taking raw material
The water pressure resistance that JIS-L1092-7.1A method is measured is 600mmH2O or more.
2. raw material are taken in protection according to claim 1, it is characterised in that:
The value for the rigid softness of the multi-layer nonwoven fabrics measured according to JIS-L1096.8.21.4D method is 55mm or more.
3. raw material are taken in protection according to claim 1 or 2, it is characterised in that:
The weight per unit area of the melt spraying non-woven fabrics adds up to 8~12g/m2。
4. raw material are taken in protection according to claim 1 or 2, it is characterised in that:
The weight per unit area of the spun-bonded non-woven fabrics adds up to 33~47g/m2。
5. raw material are taken in protection according to claim 1 or 2, it is characterised in that:
It is longitudinal direction 90N or more, transverse direction 50N or more according to the tensile strength that JIS-L1913 is measured, tearing strength is longitudinal direction 13N
Above, transverse direction 13N or more.
6. raw material are taken in protection according to claim 1 or 2, it is characterised in that:
The resin for constituting the multi-layer nonwoven fabrics is polypropylene.
7. raw material are taken in protection according to claim 1 or 2, it is characterised in that:
In the multi-layer nonwoven fabrics, spun-bonded non-woven fabrics and melt spraying non-woven fabrics are made of acrylic resin same to each other.
8. a kind of protective garment, it is characterised in that:
Raw material are taken by protection according to any one of claims 1 to 7 to constitute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-221426 | 2014-10-30 | ||
| JP2014221426A JP6579742B2 (en) | 2014-10-30 | 2014-10-30 | Protective clothing materials and protective clothing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105568563A CN105568563A (en) | 2016-05-11 |
| CN105568563B true CN105568563B (en) | 2019-11-05 |
Family
ID=55879161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510727464.7A Active CN105568563B (en) | 2014-10-30 | 2015-10-30 | Raw material and protective garment are taken in protection |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6579742B2 (en) |
| CN (1) | CN105568563B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108162544A (en) * | 2016-12-07 | 2018-06-15 | 东丽纤维研究所（中国）有限公司 | Non-woven fabrics and its manufacturing method and purposes are taken in a kind of protection |
| CN113905626A (en) * | 2019-06-13 | 2022-01-07 | 东丽株式会社 | Protective clothing |
| KR20220059466A (en) * | 2019-09-11 | 2022-05-10 | 도레이 카부시키가이샤 | hazmat suit |
| WO2021193279A1 (en) * | 2020-03-23 | 2021-09-30 | 東レ株式会社 | Cloth |
| CN111516329B (en) * | 2020-04-20 | 2022-12-30 | 加佳控股集团有限公司 | Method for manufacturing isolation suit |
| JPWO2022176649A1 (en) * | 2021-02-18 | 2022-08-25 | ||
| JP7417672B2 (en) | 2022-06-22 | 2024-01-18 | 前田工繊株式会社 | sanitary mask |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156485A (en) * | 1994-08-25 | 1997-08-06 | 金伯利-克拉克环球有限公司 | Soft and strong thermoplastic polymer fibers and nonwoven fabric made therefrom |
| CN1175291A (en) * | 1994-12-22 | 1998-03-04 | 金伯利-克拉克环球有限公司 | Method for producing a nonwoven web |
| CN1495310A (en) * | 2002-05-20 | 2004-05-12 | 可乐丽股份有限公司 | Nonwoven fabrics for protective clothing matenial and its mfg. method |
| CN1646753A (en) * | 2000-09-18 | 2005-07-27 | 出光统一科技株式会社 | Multilayer non-woven fabric and use thereof |
| EP2712949A1 (en) * | 2012-10-01 | 2014-04-02 | Sellars Absorbent Materials, Inc. | Nonwoven product for use as industrial absorbent with cotton ginning byproducts and dual-layer scrim |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5188885A (en) * | 1989-09-08 | 1993-02-23 | Kimberly-Clark Corporation | Nonwoven fabric laminates |
| US5145727A (en) * | 1990-11-26 | 1992-09-08 | Kimberly-Clark Corporation | Multilayer nonwoven composite structure |
| JPH06114991A (en) * | 1992-10-02 | 1994-04-26 | Toray Ind Inc | Composite nonwoven fabric |
| JPH0892859A (en) * | 1994-09-22 | 1996-04-09 | Idemitsu Petrochem Co Ltd | Manufacture of nonwoven fabric laminated material |
| CA2298600A1 (en) * | 1997-07-29 | 1999-02-11 | Rahul Dharmadhikary | Soft nonwoven fabric made by melt extrusion |
| JPH11247061A (en) * | 1998-02-27 | 1999-09-14 | Mitsui Chem Inc | Nonwoven fabric for medical use |
| AU2002356850A1 (en) * | 2001-10-26 | 2003-05-12 | Polymer Group, Inc. | Multiple-layered nonwoven constructs for improved barrier performance |
| US20130109263A1 (en) * | 2011-10-31 | 2013-05-02 | Ali Yahiaoui | Abrasion-Resistant Nonwovens |
| EP2896731B1 (en) * | 2012-09-14 | 2018-03-14 | Idemitsu Kosan Co., Ltd | Multilayer nonwoven fabric and method for producing same |
-
2014
- 2014-10-30 JP JP2014221426A patent/JP6579742B2/en active Active
-
2015
- 2015-10-30 CN CN201510727464.7A patent/CN105568563B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156485A (en) * | 1994-08-25 | 1997-08-06 | 金伯利-克拉克环球有限公司 | Soft and strong thermoplastic polymer fibers and nonwoven fabric made therefrom |
| CN1175291A (en) * | 1994-12-22 | 1998-03-04 | 金伯利-克拉克环球有限公司 | Method for producing a nonwoven web |
| CN1646753A (en) * | 2000-09-18 | 2005-07-27 | 出光统一科技株式会社 | Multilayer non-woven fabric and use thereof |
| CN1495310A (en) * | 2002-05-20 | 2004-05-12 | 可乐丽股份有限公司 | Nonwoven fabrics for protective clothing matenial and its mfg. method |
| EP2712949A1 (en) * | 2012-10-01 | 2014-04-02 | Sellars Absorbent Materials, Inc. | Nonwoven product for use as industrial absorbent with cotton ginning byproducts and dual-layer scrim |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016089278A (en) | 2016-05-23 |
| CN105568563A (en) | 2016-05-11 |
| JP6579742B2 (en) | 2019-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105568563B (en) | Raw material and protective garment are taken in protection | |
| CN104662218B (en) | Spun-bonded non-woven | |
| CN103370191B (en) | Non-weaving cloth laminated body | |
| CN110036147A (en) | Nonwoven fabric piece is laminated | |
| CN102471968B (en) | Nonwoven fabric laminate for expansion molding | |
| JP5717769B2 (en) | Spunbond nonwoven fabric | |
| JP5442074B2 (en) | Composite fabric | |
| JP2002088633A (en) | Multilayered nonwoven fabric and use thereof | |
| TWI840339B (en) | Composite laminate body and disposable diaper | |
| KR20170098797A (en) | Protective clothing | |
| JP7276126B2 (en) | spunbond nonwoven fabric | |
| CN107529840A (en) | Waterproof Breathable cloth and silk and protection against infection clothes | |
| JP4854214B2 (en) | Water absorbent non-woven laminate | |
| JP5884733B2 (en) | Laminated nonwoven fabric and its products | |
| JP7247884B2 (en) | spunbond nonwoven fabric | |
| TW201945171A (en) | Laminated non-woven fabric | |
| WO2023058516A1 (en) | Multilayer nonwoven fabric, method for producing same, and protective garment | |
| JPH11158766A (en) | Non-woven fabric laminate | |
| JP5503768B2 (en) | Mixed fiber non-woven fabric | |
| TW201237225A (en) | Complex elastic textile structures and fabricating method thereof | |
| Sikdar | Barrier and mechanical properties of elastomeric Composite and Coated nonwovens containing cotton fiber | |
| JP6842340B2 (en) | Spunbonded non-woven fabric and sanitary materials | |
| JPS61266653A (en) | Dustless clothing | |
| CN116512706A (en) | Micro-elastic ear-hanging nonwoven material and preparation method and application thereof | |
| WO2019163789A1 (en) | Fabric for fusion bonding and multilayer body comprising said fabric for fusion bonding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |