CN108354253A - A kind of radiation proof material and preparation method thereof - Google Patents
A kind of radiation proof material and preparation method thereof Download PDFInfo
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- CN108354253A CN108354253A CN201810359723.9A CN201810359723A CN108354253A CN 108354253 A CN108354253 A CN 108354253A CN 201810359723 A CN201810359723 A CN 201810359723A CN 108354253 A CN108354253 A CN 108354253A
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- 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
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/02—Cotton wool; Wadding
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4234—Metal fibres
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Artificial Filaments (AREA)
Abstract
A kind of radiation proof material of present invention offer and preparation method thereof, by fine-denier meldable fibre long filament and the long silk blend resultant yarn of stainless steel fibre, then it leads and is broken into sliver, and it is mixed with the hollow short fibre of three-dimensional spiral after Low Temperature Heat Treatment, a kind of radiation proof material with radiation-screening and decrease or the electromagnetic radiation effect for eliminating accumulation is made, radiation proof material obtained is with the multi-level flocculent structure of the stereo structure of dotted combination.Meldable fibre and the blended molding of stainless steel fibre are realized the combination of meldable fibre and stainless steel fibre by the application, and the radiation proof material being prepared is made to have heat insulation function；Then it is mixed with the hollow short fibre of three-dimensional spiral, utilize the compatibility of meldable fibre and doughnut, meldable fibre, stainless steel fibre and doughnut triplicity is set to form the firm cellular stereochemical structure of dotted combination, it obtains flexibility and gas permeability is preferable, and the radiation proof material of electrostatic can be prevented.
Description
Technical field
The present invention relates to radiation protection technology fields more particularly to a kind of radiation proof material and preparation method thereof.
Background technology
With high-tech development, electronic product, communication products, electric equipment products come into being, our living space
Complicated electromagnetic radiation is nowhere not present.Electromagnetic radiation is a kind of invisible, impalpable field, can generate it is a large amount of from
By elementary charge, they our entire body in etch all the time.Although we do not feel electromagnetic radiation significantly
Feel, but it really has our body certain influence, there is certain harm in other words, can be accumulated especially for some
Electromagnetic radiation, the preferable crowd of constitution do not exhibit or shows in a short time unobvious, but tire to the harm of electromagnetic radiation
Youngster, infant or the patient having a delicate constitution, old man, which just compare the performance of electromagnetic wave harm, to be highlighted.
Scientist is it is believed that Long Term Contact less than the electromagnetic radiation of 2 milligauss is safe, and the big portion that we contact
Ignition distributor is above the radiation of 20 milligauss.Such as：200 milligauss of mobile phone, 20~40 milligauss of computer, 40 milli of duplicator are high
This, 200 milligauss of micro-wave oven, 100 milligauss of hair-dryer, 20~40 milligauss of TV, 20~40 milligauss of refrigerator etc., thus
Any type of artificial electromagnetic radiation is all influential on human body cell.Our portable communication handsets are simultaneously dangerous,
The family that we depend on for existence is the place of electric radiation high aggregation.Some researches show that by the above electromagnetic radiation of 2 milligauss
Long-term to influence, the chance of cases with leukemia increases by 2.1 times, and the chance for suffering from brain tumor increases by 1.5 times, and it is thin in vain that electromagnetic radiation kills human body
Born of the same parents destroy and technical ability are immunized, can induce cancer, can influence painstaking effort vascular system and vision system of people etc..
As the improvement of people's living standards, the raising with people's health care consciousness, requirement of the people to clothing, food, lodging and transportion -- basic necessities of life articles for use,
Also develop variation what is maked rapid progress.Our clothes be not only it is warming or cool certainly, our residential building
Interior trim has been multifunction, so the material of the reduction electromagnetic radiation cumulative effect of research and development shielding electromagnetic radiation or maximum possible
Material has been indispensable functional material.
Currently, radiation proof material in the market generally uses metal blend fibre or metallized fibre long filament, by weaving
Or establishment molding, effect is relatively more stiffening, has certain gas permeability, including maternity dress, general exposure suit masking value is 20
Between~40DB；Some makes metallic particles be attached to weaving surface layer or raw fibre using spraying and coating process post-processing
Surface layer, this exposure suit metallic particles easily peel off, gas permeability is excessively poor, cannot wash and rub, the long shielding of usage time
Value can decline, and be easy to cause the side effects such as skin allergy, and this exposure suit is also not suitable for directly and human contact.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of radiation proof material and preparation method thereof, radiation protection obtained
Material has heat-insulating property while radiation protection.
The present invention is achieved through the following technical solutions：
In a first aspect, the present invention provides a kind of radiation proof material, the radiation proof material is with the multi-level of dotted combination
Three-dimensional flocculent structure.
Preferably, the thickness of the radiation proof material is 2mm or more.
Preferably, the radiation proof material is by fine-denier meldable fibre long filament, stainless steel fibre long filament and three-dimensional spiral
Hollow fiber is made.
Second aspect, the present invention provide a kind of preparation method of radiation proof material, are used to prepare above-mentioned radiation proof material,
Described method includes following steps：
S01：By fine-denier meldable fibre long filament and the long silk blend resultant yarn of stainless steel fibre, then under the conditions of 50~100 DEG C
It leads and is broken into sliver, obtain the short fiber cotton item of pretreatment of fiber.
The fusing point of the meldable fibre usually cortex at 110 DEG C starts to melt and be formed with other organic fibers firm viscous
Chalaza, and when higher than 50 DEG C, especially at 50~60 DEG C, meldable fibre is very soft, in addition the heat conduction of metallic fiber
Performance is fabulous, is tightly embraced one as what meldable fibre was bonded very much at this range of temperature seek connections with metallic fiber spiral
Rise, meldable fibre breaks that strength is very low at this time, with nano level metallic fiber to break strength suitable, easily synchronize and lead
It is disconnected.
S02：The hollow short fibre of the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral got ready is mixed
Uniformly, then airlaid, the flocculus shape web of 10~400g/ of grammes per square metre ㎡ is made；In the flocculus shape web, stainless steel
The mass fraction of fiber filament is 20% or more.
Low-melting fiber and conventional polyester fiber have good compatibility, under lower heating temperature condition, cortex
Fusing and sandwich layer still keeps physical arrangement, generated after cooling it is good be adhered effect, there is higher bonding strongly, may replace tradition
The glue used, thus it is low with hot melt temperature, and bonding is rapid, the high feature of peel strength；And its in three-dimensional spiral
Hollow fiber mix, and by the good heat insulating ability of doughnut, high resiliency and with the skin-friendly of skin, make the wadding being prepared
Piece fibre web has both the advantages of meldable fibre and doughnut.
S03：Superposition, single layer setback, multilayer are superimposed the flocculus shape web multilayer that the step S02 is obtained up and down up and down
Multilayer is superimposed up and down again after single layer setback or single layer setback again afterwards, and it is 100~6000g/ ㎡ to make its grammes per square metre, then 170~
It shapes under the conditions of 230 DEG C, obtains radiation proof material.
Meldable fibre starts cortex thawing when being more than 110 DEG C, core-skin and doughnut melt at 240 DEG C~260 DEG C, choosing
170~230 DEG C of sizings are selected, is conducive to the abundant thawing of meldable fibre cortex, also ensures that the superperformance of core-skin and doughnut.
The textile performance difference of meldable fibre and stainless steel fibre, the two fiber is larger, and especially retractility and fracture is strong
It is larger to spend difference, it is not easily molded after blended.And the application makes the two tightly obvolvent together by low-temperature treatment, this processing
It is very beneficial at 170~230 DEG C, prior to forming bounding point between meldable fibre between meldable fibre and stainless steel fibre
And be consolidated, then have the compatibility of meldable fibre and doughnut, make meldable fibre, stainless steel fibre and hollow fibre
Dimension three forms the firm cellular stereochemical structure of dotted combination between each other.
Preferably, in the step S01, the string diameter of stainless steel fibre long filament is 30 μm or less.
Flexibility without prevention when the string diameter of stainless steel fibre long filament is excessively high, so generally selecting thinner 2~8
μm flexible fibre, for dress ornament fill radiation proof material, for household interior trim selection 8~30 thicker metallic fiber.
Preferably, in the step S01, the quality of the fine-denier meldable fibre long filament and the stainless steel fibre long filament
Than being 1:1.
Meldable fibre and stainless steel fibre sintering felt (mass ratio selection 1:1, because of the density ＜ 0.9g/ of meldable fibre
Cm3, stainless steel fibre density about 7.93g/cm3), meldable fibre generally uses (being converted into about 19 μm of string diameter) of 4D, stainless steel
Using 20 μm of fiber, so needing 9 meldable fibres and 1 meldable fibre blended, mass ratio is 1:1, using 2 microns
Need a hot melt blended with 1 stainless steel fibre when stainless steel fibre.
Preferably, in the step S02, the mass fraction of the short fiber cotton item of pretreatment of fiber is 40% or more.
By examining the effect of radiation protection to learn, the effect when quality of metallic fiber >=20% is preferable.Due to the step
In rapid S01, the mass ratio of fine-denier meldable fibre long filament and stainless steel fibre long filament is 1:1, therefore, pretreatment of fiber in this step
The quality of short fiber cotton item need to be 40% or more.
Preferably, in the step S01, yarn leads the method for being broken into sliver under the conditions of 50~60 DEG C and is：50~
Under the conditions of 60 DEG C, make yarn in 0.1~0.2KN of pressure, 20~40HZ's of frequency leads under the action of disconnected power with 3~8m's per minute
Speed is advanced.
Preferably, in the step S03, the method that cotton-shaped tire is shaped under the conditions of 170~230 DEG C is：Cotton-shaped tire exists
Advanced with the speed of 0.5~10m per minute under the conditions of 170~230 DEG C.
Meldable fibre can meet sizing, and meldable fibre is two-component (PP or PE and PET ingredients) skin-core structure fiber,
60~100 DEG C of meldable fibre epidermises can melt to be bonded with contact point, by sizing can be realized at 170~230 DEG C.
Technical solution provided in an embodiment of the present invention can include following advantageous effect：
The present invention provides a kind of radiation proof material and preparation method thereof, this method using fine-denier meldable fibre long filament with it is stainless
The long silk blend resultant yarn of steel fibre, then leads and is broken into sliver, and is mixed with the hollow short fibre of three-dimensional spiral after Low Temperature Heat Treatment, system
It obtains a kind of with radiation-screening and decrease or the radiation proof material for eliminating the electromagnetic radiation effect accumulated, radiation proof material obtained
For with the multi-level fine and close cellular shaping tire of the stereo structure of dotted combination.First use stainless steel fibre can textile spinning,
Led using low-temperature treatment it is disconnected, using the difference of fiber variable make two kinds of fibers tightly report conjunction be intertwined, and use gas phase
The non-woven mode of deposition is molded, and the combing for both having effectively prevented metallic fiber is frangible, in turn ensures metallic fiber and other fibres
The uniform mixing of dimension, and form uniform bounding point.
The radiation proof material product being prepared has following distinguishing feature：
(1) there is the general smooth feel of imitative silk flosssilk wadding, overcome the relatively more stiffening deficiency of the entirety of filament fiber.
(2) height with hollow terylene is breathed freely, height is sprung back and can clothing performance.
(3) metallic fiber is effectively prevented in technical process because of the phenomenon that folding and washing cause to fall off, it is ensured that anti-spoke
Penetrate the persistence and service life of function.
Description of the drawings
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it is clear that, to those skilled in the art, not
Under the premise of making the creative labor, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of radiation proof material provided in an embodiment of the present invention.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below to the embodiment of the present invention
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not before making creative work
The every other embodiment obtained is put, should all be belonged to the scope of protection of the present invention.
As exposure suit package material, the basic performance of clothes is first had to, such as washable, gas permeability is comfortable and easy to wear
Property, while wanting the radiation protection that can meet household electrical appliances.
In radar, the special high-radiation field such as transmitting station closes, and U.S. Military Standard provides that the masking value of radiation proof material is more than
15db.General household electrical appliance, such as anti-computer, the radiation of micro-wave oven etc. have 15db.Our common method for subjective testing
It is that mobile phone is wrapped in clothes to have a try to make a phone call logical obstructed, if obstructed, that is, approves effective.And the radiation of mobile phone is divided into hand
The radiation (near-field thermal radiation) of machine itself and the radiation (far-field radiation) of transmitting station.It is to block transmitting station pair to encase mobile phone with clothes
The far-field radiation of mobile phone, and far-field radiation is minimum to the harm of people, so need not pursue clothes can encase mobile phone radiation, but
Meet (general 15db or so) under conditions of shielding property, pursues the lauderability of clothes, durability and ventilative comfort, with
Exempt to run counter to desire.
The present invention passes through multiple physical sizing consolidation style using micron order stainless steel fibre and fine-denier polyester fiber, is producing
It is formed inside product with the reticular structure of dotted combination, the advantages of this exposure suit is good permeability, washable, and shield effectiveness is not
It can reduce, without any side effects to human body, this exposure suit masking value is suitble to wear for a long time in 30db or more.Have simultaneously
There are the mould proof damp-proof and moth-proof of hollow terylene, soft comfortable, washable and wearable, ventilative and heat-insulating property, also has stainless steel fine
Tie up the functions such as antistatic, X-ray-preventing and ultraviolet light.And it is particularly suitable for civilian protective materials, price is also more popular.
Stainless steel fibre has the low melting point bicomponent fibers of fine-denier tightly to wind with it to be consolidated first, using with
Doughnut mixing, networking, high-temperature shaping, make three kinds of fibers be uniformly distributed and between formed it is cross one another have bounding point
Netted honeycomb structure, the characteristics of structure in turn avoids the secondary pollution of usual resultant metal fibrous woven product surface
(i.e. antiradiation performance), its radiation proof function are mainly by absorption, compatibility and a kind of radiation protection in a manner of being converted into thermal energy
Material is a kind of good heat insulating material.
Test material used in the embodiment of the present invention is the test material of this field routine, can pass through commercial channel
It is commercially available.
Embodiment 1
The present embodiment provides a kind of preparation methods of radiation proof material, and described method includes following steps：
S01：It for 30 μm of stainless steel fibre long filament is 1 according to mass ratio to use fine-denier meldable fibre long filament and string diameter:1 is mixed
Spun yarn makes yarn in pressure 0.1KN then under the conditions of 60 DEG C, and frequency 40HZ's leads under the action of disconnected power with 3m per minute
Speed advance, lead and be broken into sliver, obtain the short fiber cotton item of pretreatment of fiber；
S02：By the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral doughnut got ready by matter
Measure ratio 40:60 are uniformly mixed, then airlaid, and the flocculus shape web of grammes per square metre 200g/ ㎡ is made；
S03：Flocculus shape web multilayer that the step S02 is obtained is superimposed up and down, when its grammes per square metre be
Then 6000g/ ㎡ are advanced after shaping with the speed of 0.5m per minute under the conditions of 170 DEG C, obtain radiation proof material.
As shown in Figure 1, the radiation proof material that the present embodiment obtains is with the stereo structure of dotted combination fine and close honeycomb at many levels
Shape shaping tire, thickness are smooth to the touch, soft texture in 20mm or more, there is certain elasticity.
Embodiment 2
The present embodiment provides a kind of preparation methods of radiation proof material, and described method includes following steps：
S01：It for 20 μm of stainless steel fibre long filament is 1 according to mass ratio to use fine-denier meldable fibre long filament and string diameter:1 is mixed
Spun yarn makes yarn in pressure 0.2KN then under the conditions of 55 DEG C, and frequency 20HZ's leads under the action of disconnected power with 5m per minute
Speed advance, lead and be broken into sliver, obtain the short fiber cotton item of pretreatment of fiber；
S02：By the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral doughnut got ready by matter
Measure ratio 50:50 are uniformly mixed, then airlaid, and the flocculus shape web of grammes per square metre 400g/ ㎡ is made；
S03：The flocculus shape web single layer setback that the step S02 is obtained, it is 4000g/ ㎡ to make its grammes per square metre, is then existed
After shaping with the advance of the speed of 2m per minute under the conditions of 230 DEG C, radiation proof material is obtained.
The radiation proof material that the present embodiment obtains is with the multi-level fine and close cellular shaping tire of the stereo structure of dotted combination, thickness
Degree is smooth to the touch, soft texture in 20mm or more, there is certain elasticity.
Embodiment 3
The present embodiment provides a kind of preparation methods of radiation proof material, and described method includes following steps：
S01：It for 10 μm of stainless steel fibre long filament is 1 according to mass ratio to use fine-denier meldable fibre long filament and string diameter:1 is mixed
Spun yarn makes yarn in pressure 0.15KN then under the conditions of 55 DEG C, and frequency 30HZ's leads under the action of disconnected power with 6m per minute
Speed advance, lead and be broken into sliver, obtain the short fiber cotton item of pretreatment of fiber；
S02：By the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral doughnut got ready by matter
Measure ratio 55:45 are uniformly mixed, then airlaid, and the flocculus shape web of grammes per square metre 200g/ ㎡ is made；
S03：Setback again after the flocculus shape web multilayer that the step S02 is obtained is superimposed up and down, make its grammes per square metre be
Then 2000g/ ㎡ are advanced after shaping with the speed of 2.2m per minute under the conditions of 200 DEG C, obtain radiation proof material.
The radiation proof material that the present embodiment obtains is with the multi-level fine and close cellular shaping tire of the stereo structure of dotted combination, thickness
Degree is smooth to the touch, soft texture in 20mm or more, there is certain elasticity.
The radiation proof material that the present embodiment is obtained carries out shield effectiveness detection, and structure is as shown in table 1 below.
Table 1：Shield effectiveness testing result
| Frequency (MHz) | Shield effectiveness (dB) |
| 1.5 | 6.1 |
| 3 | 7.4 |
| 10 | 9.5 |
| 30 | 18.1 |
| 100 | 23.2 |
| 300 | 29.5 |
| 915 | 33.5 |
| 1500 | 35.4 |
| 2450 | 36.5 |
| 3000 | 37.8 |
| 5000 | 39.8 |
| 8000 | 40.3 |
| 10000 | 42.6 |
| 15000 | 45.1 |
| 20000 | 39.8 |
| 25000 | 38.9 |
| 30000 | 37.6 |
By upper table 1 it is found that the obtained radiation proof material of the present embodiment be smooth to the touch, soft texture while, shielding effect
It can be more preferable.
Embodiment 4
The present embodiment provides a kind of preparation methods of radiation proof material, and described method includes following steps：
S01：It for 2 μm of stainless steel fibre long filament is 1 according to mass ratio to use fine-denier meldable fibre long filament and string diameter:1 is mixed
Spun yarn makes yarn in pressure 0.1KN then under the conditions of 50 DEG C, and frequency 30HZ's leads under the action of disconnected power with 8m per minute
Speed advance, lead and be broken into sliver, obtain the short fiber cotton item of pretreatment of fiber；
S02：By the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral doughnut got ready by matter
Measure ratio 60:40 are uniformly mixed, then airlaid, and the flocculus shape web of grammes per square metre 10g/ ㎡ is made；
S03：Setback again after the flocculus shape web multilayer that the step S02 is obtained is superimposed up and down, make its grammes per square metre be
Then 100g/ ㎡ are advanced after shaping with the speed of 10m per minute under the conditions of 230 DEG C, obtain radiation proof material.
The radiation proof material that the present embodiment obtains is with the multi-level fine and close cellular shaping tire of the stereo structure of dotted combination, thickness
Degree is smooth to the touch, soft texture in 2mm or more, there is certain elasticity.
The same amount of hot water for being filled with 60 DEG C respectively in six identical hot-water bottles, is positioned over identical item
Under part, last layer above-described embodiment 1, embodiment 2, embodiment 3, embodiment 4 are wrapped up on the outside of five hot-water bottles respectively and is obtained
Radiation proof material and on the market existing radiation proof material, the 6th hot-water bottle are directly placed, and any material is not wrapped up, and are passed through
The temperature of six hot-water bottles is measured after 2h, 6h, 10h, 20h respectively, the results show that using the anti-spoke of the present embodiment 1 to embodiment 4
The temperature for penetrating the hot-water bottle of material package is apparently higher than the temperature of the hot-water bottle of existing radiation proof material package on the market, and all high
In the temperature for the hot-water bottle for not wrapping up any material, illustrate that the radiation proof material that the embodiment of the present invention obtains has good heat preservation
Performance.
To sum up, the radiation proof material that prepared by the embodiment of the present invention 99% or more, has the absorptivity of electromagnetic radiation
Good anti-radiation performance, and be smooth to the touch, soft texture, heat-insulating property it is good, be more suitable for making clothes and wear, improve and use
The experience at family.
Certainly, above description is also not limited to the example above, technical characteristic of the present invention without description can by or
It is realized using the prior art, details are not described herein；It is not to this that above example, which is only used to illustrate the technical scheme of the present invention,
The limitation of invention, describes the invention in detail with reference to preferred embodiment, and those skilled in the art should
Understand, the variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the present invention
Without departure from spirit of the invention, it should also belong to the claims of the present invention.
Claims (9)
1. a kind of radiation proof material, which is characterized in that the radiation proof material is with the cotton-shaped knot of the multilayer stereo of dotted combination
Structure.
2. a kind of radiation proof material according to claim 1, which is characterized in that the thickness of the radiation proof material is 2mm
More than.
3. a kind of radiation proof material according to claim 1, which is characterized in that the radiation proof material is heated fine by fine-denier
Dimension long filament, stainless steel fibre long filament and the hollow short fibre of three-dimensional spiral are made.
4. a kind of a kind of preparation method of radiation proof material as described in claim 1, which is characterized in that the method includes such as
Lower step：
S01：By fine-denier meldable fibre long filament and the long silk blend resultant yarn of stainless steel fibre, then led under the conditions of 50~100 DEG C disconnected
At sliver, the short fiber cotton item of pretreatment of fiber is obtained；
S02：The hollow short fibre of the short fiber cotton item of pretreatment of fiber that the step S01 is obtained and the three-dimensional spiral got ready is mixed
It is even, it is then airlaid, the flocculus shape web of 10~400g/ of grammes per square metre ㎡ is made；In the flocculus shape web, stainless steel is fine
The mass fraction for tieing up long filament is 20% or more；
S03：After superposition, single layer setback, multilayer are superimposed up and down above and below the flocculus shape web multilayer that the step S02 is obtained again
Multilayer is superimposed up and down again after setback or single layer setback, and it is 100~6000g/ ㎡ to make its grammes per square metre, then under the conditions of 170~230 DEG C
Sizing, obtains radiation proof material.
5. a kind of preparation method of radiation proof material according to claim 4, which is characterized in that in the step S01, institute
The string diameter for stating stainless steel fibre long filament is 30 μm or less.
6. a kind of preparation method of radiation proof material according to claim 5, which is characterized in that in the step S01, institute
The mass ratio for stating fine-denier meldable fibre long filament and the stainless steel fibre long filament is 1:1.
7. a kind of preparation method of radiation proof material according to claim 6, which is characterized in that in the step S02, in advance
The mass fraction for handling the short fiber cotton item of fiber is 40% or more.
8. according to a kind of preparation method of radiation proof material of claim 1-7 any one of them, which is characterized in that the step
In S01, yarn leads the method for being broken into sliver under the conditions of 50~60 DEG C and is：Under the conditions of 50~60 DEG C, make yarn in pressure 0.1
The speed of~0.2KN, 20~40HZ of frequency led under the action of disconnected power with 3~8m per minute is advanced.
9. a kind of preparation method of radiation proof material according to claim 8, which is characterized in that in the step S03, wadding
The method that sheet-like fiber net is shaped under the conditions of 170~230 DEG C is：Flocculus shape web is under the conditions of 170~230 DEG C with every point
The speed of 0.5~10m of clock is advanced.
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| CN201810359723.9A CN108354253B (en) | 2018-04-20 | 2018-04-20 | Radiation-proof material and preparation method thereof |
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| CN108354253B (en) | 2020-11-06 |
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