CN103074726B - Electromagnetic radiation proof double-faced knitted fabric and production method thereof - Google Patents
Electromagnetic radiation proof double-faced knitted fabric and production method thereof Download PDFInfo
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- CN103074726B CN103074726B CN201210580062.5A CN201210580062A CN103074726B CN 103074726 B CN103074726 B CN 103074726B CN 201210580062 A CN201210580062 A CN 201210580062A CN 103074726 B CN103074726 B CN 103074726B
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Abstract
The invention discloses an electromagnetic radiation proof double-faced knitted fabric and a production method thereof. The invention is invented for overcoming the defects in the prior art that the air permeability is poor, metal particles are likely to fall after washing, and a wearer feels itchy and easily gets allergic after wearing the knitted fabric. The electromagnetic radiation proof double-faced knitted fabric is knitted by silver-plated fibers or modified fibers, a titanium protection layer is additionally arranged in an ion plating mode, so that the radiation proof function is realized, discomfort due to direct contact between metal fibers and the human body during wearing is avoided, and the serviceability and the comfort of the functional knitted fabric are improved.
Description
Technical field:
The present invention relates to a kind of knit goods, particularly belong to a kind of two-sided knit fabric and production method thereof with electromagnetic radiation resistant function.
Background technology:
Along with improving constantly of social progress and people's living standard, a feast for the eyes household electrical appliances and telecommunications product have become a requisite part in people's life, in the use procedure of these large small household appliances, can't see, impalpable " electromagnetic radiation " become threat new in people's living environment, can produce different harm to different crowd.Along with people's environmental protection, health, consciousness of self-protection strengthens day by day, on market, there are a series of radiation protection products, there is certain electromagnetic radiation resistant function.But, be shuttle-woven fabric goods, and the technique that realizes radiation proof function all adopts metal spraying, plated film, wire to interweave and the technique such as metal ion fabric, have that gas permeability is poor, after washing metallic particles easily peel off, performance of itching and the easy defect such as irritated, because shuttle-woven fabric is harder, lacks and take comfort type simultaneously.
Summary of the invention:
For overcoming above-mentioned defect, the object of the present invention is to provide novel anti-radiation knitted fabric and production method thereof
For achieving the above object, the one side of electromagnetic radiation resistant two-sided knit fabric of the present invention is that silver plated fiber long filament is weaved and formed, to form silver-colored fibrous face; Wherein, described silver plated fiber is to take chinlon filament as carrier, adopts electrolytic method or ooze solid method silver is arranged on to its top layer.
Preferably, described chinlon filament is 50-80D, and completing made silver plated fiber after silver-plated operation is 70-104D, silver-colored fiber content 25%-40%.
Preferably, the another side of described fabric adopts porel yarn or other modified polyester fiber to weave.
Preferably, the surface of described silver-colored fibrous face is formed with metal level with the form of ion plating, and described metal level is titanium or titanium alloy layer; Wherein, the preferred multi-arc ion coating of described ion plating.
For achieving the above object, electromagnetic radiation resistant two-sided knit fabric production method of the present invention is: the two-sided knit fabric grey cloth described in use silver plated fiber long filament and the second fiber weaving, so that the one side of described grey cloth is silver-colored fibrous face, and another side is the second fibrous face, then described grey cloth is carried out to dyeing and finishing; Wherein, described silver plated fiber is to take chinlon filament as carrier, adopts electrolytic method that silver is plated in to its top layer.
Preferably, in described dyeing and finishing step, at least comprise anti-oxidant treatment; The process of described anti-oxidant treatment is: the form on the surface of described silver-colored fibrous face with ion plating is formed with metal level, and described metal level is titanium or titanium alloy layer; Wherein, the preferred multi-arc ion coating of described ion plating.
Preferably, described dyeing and finishing step is followed successively by: pre-setting, pre-treatment, secondary are qualitative, anti-oxidant treatment, top finish, three heat treatments.
Preferably, the step of described pre-treatment is:
Preferably, the auxiliary agent that adds following dosage in pure water: clever 1-5g/L deoils; Refining agent 1-5g/L; Chelating agent 0.5-2g/L; Antioxidant 0.5-3g/L; Anti-creasing agent 0.1-1g/L.
Preferably, described step is specially:
Pre-setting: the first squezzing of fabric, then enter in the setting machine of temperature 110-130 ℃, with the speed of per minute 22-28 rice, carry out pre-setting;
Pre-treatment: in closed overflow dyeing machine, will add auxiliary agent in pure water, process 25-60 minute with 50-80 ℃;
Secondary sizing: the first squezzing of fabric, then enter in the setting machine of 120 ℃ of temperature, with the speed of 30 meters of per minutes, carry out secondary sizing;
Anti-oxidant treatment: the form on the surface of described silver-colored fibrous face with ion plating is formed with metal level, and described metal level is titanium or titanium alloy layer; Wherein, the preferred multi-arc ion coating of described ion plating;
Top finish: comprising: allotment slurry, starching, oven dry, washing; Wherein,
The dosage of described slurry is as follows: waterproof and oilproof reinforcing agent HF 0.02g/L, water and oil repellent agent KG-500A33g/L, thickener FS-80E 35g/L, sunlight fastness promoting agent JR-TN02 22g/L
By above-mentioned slurry after printing machine starching, 80-120 ℃ on baking oven nylon conduction band, speed of a motor vehicle 30-40m/min is dried; After oven dry, carry out 30-50 ℃ in overflow dyeing machine, 30min, adds moisture absorbing and sweat releasing agent 3g/L, washing; Then dehydration, 80 ℃ of oven dry;
Three sizings: by the textile pad softener after drying, then enter in the setting machine of temperature 110-130 ℃, carry out pre-setting with the speed of per minute 25-35 rice.
Electromagnetic radiation resistant functional knitted fabric disclosed in this invention belongs to the two-sided knit fabric that a kind of surface has radiation proof function, utilizing two-sided many runways circular knitting machine to weave forms, its two sides all shows front coil, wherein one side is weaved and is formed for silver plated fiber long filament, and another side employing is known as super imitative cotton have porel yarn or other modified polyester fiber wet, temperature adjustment function and weaves.It is outer as fabric with silver plated fiber when this fabric is used for garment production, porel yarn or other modified polyester fiber yarn are as fabric nexine, so both realized radiation-resistant functional, while also having avoided wearing, metal fibre directly contacts with human body the not adaptive causing, has improved taking and the comfortableness of functional knit fabric.Wherein, Porel yarn is modified poly ester polyester staple fiber, adopts capillary cavity structure, introduces hydrophilic radical and soft segment simultaneously, makes it have that automatic adjusting is wet, thermally equilibrated function.
Accompanying drawing explanation
Fig. 1 is the weaving figure of an embodiment in the open method of the present invention.
Fig. 2 is the flow chart of the measuring method of SJ20524 Materials ' Shielding Effectiveness
The specific embodiment
Electromagnetic radiation resistant two-sided knit fabric of the present invention, belongs to the two-sided knit fabric that a kind of surface has radiation proof function, and wherein one side is weaved and formed for silver plated fiber long filament; Wherein, described silver plated fiber is to take chinlon filament as carrier, adopts electrolytic method or ooze solid method silver is arranged on to its top layer.And another side can adopt other conventional fiber weaving, as cotton or modified polyester fiber etc.So both realized radiation-resistant functionally, while also having avoided wearing, metal fibre directly contacts with human body the not adaptive causing, has improved taking and the comfortableness of functional knit fabric.Wherein, the method for double knitting can adopt usual weaving method, as: utilize two-sided many runways circular knitting machine to weave etc., make its two sides all show front coil, flake line chart etc., to strengthen warming effect.
The two-sided knit fabric of the present embodiment, wherein one side is weaved and is formed for silver plated fiber long filament; Another side adopts cotton yarn to weave.Wherein, the selected chinlon filament of silver plated fiber is 65D, and completing made silver plated fiber after silver-plated operation is 70D, silver-colored fiber content 30%-32%.
But because cotton has shrink, the later stage need be done special processing.
Embodiment 2
The two-sided knit fabric of the present embodiment, wherein one side is weaved and is formed for silver plated fiber long filament; Another side employing is known as the super imitative cotton porel yarn wet, temperature adjustment function that has and weaves.Porel yarn is modified poly ester polyester staple fiber, adopts capillary cavity structure, introduces hydrophilic radical and soft segment simultaneously, makes it have that automatic adjusting is wet, thermally equilibrated function.Porel yarn can be buied from Nanjing Dong Hua fibre technology Development Co., Ltd.
Wherein, the selected chinlon filament of silver plated fiber is 70D, and completing made silver plated fiber after silver-plated operation is 75D, silver-colored fiber content 35%.
In the fabric that above-described embodiment 1 and 2 is produced, in use for some time, in air, place for a long time, still can be oxidized, even because acidic materials residual in air are as rotten in sour gas corrosions such as sulfiding gas or nitric oxides.General antioxidation processing technology is complicated, cost is high, effect is poor.In order to improve its oxidation resistance, on the basis of embodiment 1 and 2, the form of ion plating (described ion plating can be magnetron sputtering, multi-arc ion coating etc.) of take on the surface of the silver-colored fibrous face of fabric is formed with metal level, and described metal level is titanium or titanium alloy layer; Wherein, the preferred multi-arc ion coating of described ion plating.By such processing, Titanium ion is plated to the surface of silver-colored fiber radiation-proof fabric, form titanium diaphragm, make fabric sweat proof, salt spray resistance, anti-oxidant, anticorrosion, anti-variable color, reaches permanent stay-in-grade property, and has strengthened greatly shielding property.
Be fabric in the embodiment 2 shield effectiveness test result after ion plating below.
Effect description of test: received power or the ratio of voltage when shield effectiveness refers under the same level of drive by shielding material with unshielded material.Following experimental data comes from authoritative testing agency.Detection method is: the measuring method of SJ20524 Materials ' Shielding Effectiveness as shown in Figure 2, wherein
Shield effectiveness SE
db=P
1-P
2sE
%=(1-10
-SEdb/10) * 100%
SE
dbthe logarithm of-shield effectiveness represents mode (dB)
SE
%the linear expression mode (%) of-shield effectiveness
P
1in-test clip, do not place shielding material Time-frequency Spectrum Analysis instrument reading (dBm)
P
2in-test clip, place shielding material Time-frequency Spectrum Analysis instrument reading (dBm)
Shield effectiveness the performance test results
| Frequency (MHz) | P 1(dBm) | P 2(dBm) | SE db(dB) | SE ％(％) |
| 10 | 0.0 | -60.6 | 60.6 | 99.999913 |
| 30 | 0.0 | -61.0 | 61.0 | 99.999921 |
| 100 | 0.0 | -61.4 | 61.4 | 99.999928 |
| 300 | 0.0 | -62.9 | 62.9 | 99.999949 |
| 1000 | -0.1 | -63.6 | 63.5 | 99.999955 |
| 3000 | -0.2 | -68.5 | 68.3 | 99.999985 |
| 10000 | -0.5 | -74.6 | 74.1 | 99.999996 |
| 30000 | -1.9 | -73.9 | 72.0 | 99.999994 |
| 40000 | -2.5 | -73.7 | 71.2 | 99.999992 |
By the visible radiation-proof effect of above-mentioned experimental data, approach 100%, SEdb value more than 60, radiation-proof effect highly significant can be described.
Electromagnetic radiation resistant two-sided knit fabric production method of the present invention, described method is:
Weave: the two-sided knit fabric grey cloth described in use silver plated fiber long filament and the second fiber weaving, so that the one side of described grey cloth is silver-colored fibrous face, and another side is the second fibrous face, then described grey cloth is carried out to dyeing and finishing; Wherein, described silver plated fiber is to take chinlon filament as carrier, adopts electrolytic method that silver is plated in to its top layer.The method of double knitting can adopt usual weaving method, as: utilize two-sided many runways circular knitting machine to weave etc., make its two sides all show front coil, flake line chart etc., to strengthen warming effect.
So both realized radiation-resistant functionally, while also having avoided wearing, metal fibre directly contacts with human body the not adaptive causing, has improved taking and the comfortableness of functional knit fabric.
Embodiment 3
The two-sided knit fabric of the present embodiment, adopts silver plated fiber long filament and cotton yarn, utilizes large circle machine to weave, and after weaving, wherein one side is weaved and formed for silver plated fiber long filament; Another side adopts cotton to weave.Wherein, the selected chinlon filament of silver plated fiber is 65D, and completing made silver plated fiber after silver-plated operation is 70D, silver-colored fiber content 30%-32%.Cotton yarn can be selected 100% combed cotton yarn high grade yarn, and its number is 28
s～80
s, as 36
s, 40
s, 50
s, 60
sdeng.
But because cotton has shrink, the later stage need be done special processing.
The two-sided knit fabric of the present embodiment, adopts silver plated fiber long filament and porel yarn, utilizes two-sided many runways circular knitting machine to weave, and wherein one side is weaved and formed for silver plated fiber long filament; Another side employing is known as the super imitative cotton porel yarn wet, temperature adjustment function that has and weaves.Porel yarn is modified poly ester polyester staple fiber, adopts capillary cavity structure, introduces hydrophilic radical and soft segment simultaneously, makes it have that automatic adjusting is wet, thermally equilibrated function.Porel yarn can be buied from Nanjing Dong Hua fibre technology Development Co., Ltd.Concrete braid method is referring to Fig. 1, and in Fig. 1, the 3rd road and the 6th tunnel are Porel yarns, and 1,2,4,5 tunnels are silver plated fiber.
Wherein, the selected chinlon filament of silver plated fiber is 70D, and completing made silver plated fiber after silver-plated operation is 75D, silver-colored fiber content 35%.
In the fabric that above-described embodiment 3 and 4 is produced, in use for some time, in air, place for a long time, still can be oxidized, even because acidic materials residual in air are as rotten in sour gas corrosions such as sulfiding gas or nitric oxides.General antioxidation processing technology is complicated, cost is high, effect is poor.In order to improve its oxidation resistance, on the basis of embodiment 3 and 4, the form of ion plating (described ion plating can be magnetron sputtering, multi-arc ion coating etc.) of take on the surface of the silver-colored fibrous face of fabric is formed with metal level, and described metal level is titanium or titanium alloy layer; Wherein, the preferred multi-arc ion coating of described ion plating.By such processing, Titanium ion is plated to the surface of silver-colored fiber radiation-proof fabric, form titanium diaphragm, make fabric sweat proof, salt spray resistance, anti-oxidant, anticorrosion, anti-variable color, reaches permanent stay-in-grade property, and has strengthened greatly shielding property.As long as process conditions allow, described anti-oxidant treatment can be included in any one technique after grey cloth is produced.
Embodiment 5
By 3 woven grey cloths of embodiment, first carry out above-mentioned anti-oxidant treatment, then carry out pre-setting, pre-treatment, secondary qualitative, finished product fabric.
Embodiment 6
By 4 woven grey cloths of embodiment, first carry out pre-setting, pre-treatment, secondary qualitative, then carry out above-mentioned anti-oxidant treatment finished product fabric.
Because silver is inconstant element, in air or in pretreatment liquid, be all easily corroded, thereby cause fabric blackening hardening.Therefore the step of pre-treatment of the present invention is specially in closed overflow dyeing machine, will in pure water, add auxiliary agent, with 50-80 ℃, processes 30-60 minute.
Common common fabric pre-treatment generally adopts soft water, considers in fabric of the present invention and contains silver-colored this inconstant element, contains acidic materials and is all easily corroded, thereby cause fabric blackening hardening in air or in pretreatment liquid.For fear of above-mentioned situation, occur, the present invention selects pure water to carry out pre-treatment processing to fabric.By silver-colored fiber, except not acidproof, under high-temperature condition, also easily oxidation, has therefore selected efficient cryogenic degreaser.This technique, on the one hand, assurance oil removing cleaning process is carried out at low temperatures, has prevented that fabric is oxidized; On the other hand, guarantee that treatment effect is excellent, after cleaning, feel and the moisture pick-up properties of fabric have reached standard-required.
The closed High Temperature High Pressure overflow dyeing machine that fabric pretreatment process adopts the vertical letter in advanced Hong Kong to produce, realized overall process unattended, electronic monitoring, full-automatic production, energy-efficient, avoid to a certain extent contacting of fabric and air, guaranteed the not oxidation by air of pretreatment process fabric.
Embodiment 7
The pre-treatment step of embodiment 5 is being specially: in closed overflow dyeing machine, will in pure water, add auxiliary agent, with 60 ℃, process 40 minutes.
Wherein, the clever 4g/L that deoils; Refining agent 3g/L; Chelating agent 2g/L; Antioxidant 2g/L; Anti-creasing agent 1g/L.
Embodiment 8
The pre-treatment step of embodiment 6 is being specially: in closed overflow dyeing machine, will in pure water, add auxiliary agent, with 70 ℃, process 30 minutes.
Wherein, the clever 2g/L that deoils; Refining agent 2g/L; Chelating agent 1g/L; Antioxidant 1.5g/L; Anti-creasing agent 0.8g/L.
Embodiment 9
By 4 woven grey cloths of embodiment, carry out following dyeing and finishing processing:
1) pre-setting: the first squezzing of fabric, then enter in the setting machine of 120 ℃ of temperature, with the speed of 25 meters of per minutes, carry out pre-setting;
The precordainment technique of general knit fabric is: 190-210 ℃, speed of a motor vehicle 16-20m/min; If silver-colored fiber radiation-proof fabric adopts the blackening hardening of above technique, through test of many times, when setting temperature is 120 ℃, when the speed of a motor vehicle is 25m/min, can there is not the problem of look change and feel variation in radiation-proof fabric.In addition, technique also adopts wet setting technique, and the contacting of fabric and air while as far as possible reducing high temperature guarantees that the brute force of fabric is injury-free simultaneously.
2) pre-treatment: in closed overflow dyeing machine, will add auxiliary agent in pure water, process 30-60 minute with 50-80 ℃;
In closed overflow dyeing machine, will in pure water, add auxiliary agent, with 60 ℃, process 40 minutes.
Wherein, the clever 4g/L that deoils; Refining agent 3g/L; Chelating agent 2g/L; Antioxidant 2g/L; Anti-creasing agent 1g/L.
The closed High Temperature High Pressure overflow dyeing machine that above-mentioned pretreatment process adopts the vertical letter in Hong Kong to produce, has realized overall process unattended, electronic monitoring, full-automatic production, energy-efficient, and avoided contacting of fabric and air, guarantee the not oxidation by air of pretreatment process fabric.
3) secondary sizing
Setting process: speed of a motor vehicle 30m/min, 120 ℃ of temperature
Step: the first squezzing of fabric, then enter in the setting machine of 120 ℃ of temperature, with the speed of 30 meters of per minutes, carry out secondary sizing; Be mainly lower step and prepare, after sun-resistant arrangement is complete, knitting cloth cover is untidy, and folding line is more, and directly rear arrangement can affect finishing effect, therefore takes secondary sizing.
4) anti-oxidant treatment: the form on the surface of described silver-colored fibrous face with multi-arc ion coating forms titanium diaphragm; Make fabric sweat proof, salt spray resistance, anti-oxidant, anticorrosion, anti-variable color, reaches permanent stay-in-grade property.
5) top finish:
The configuration of slurry: waterproof and oilproof reinforcing agent HF 0.02g/L, water and oil repellent agent KG-500A 33g/L, thickener FS-80E 35g/L, sunlight fastness promoting agent JR-TN02 22g/L
Technological parameter: No. 16, bar magnet, magnetic platform pressure 50Mpa
Coating apparatus: printing machine UNICA-240/12/8
Technological process: allotment slurry → starching → oven dry → washing
Dry: on baking oven nylon conduction band 80 ℃, speed of a motor vehicle 35m/min
Washing: carry out 80 ℃ in overflow dyeing machine, 30min, adds moisture absorbing and sweat releasing agent 3g/L, then dehydration, 80 ℃ of oven dry.After processing, fabric also has hydroscopic fast-drying individual event water guide performance.
6) three sizings: textile pad softener, then enter in the setting machine of 120 ℃ of temperature, with the speed of 30 meters of per minutes, carry out pre-setting.The consumption 10g/L of softener, finishing effect is best, and comfortable feel is convenient to take.
In addition, whole dyeing and finishing technology adopts the predetermined and finished product dual setting process of shaping, and has guaranteed the dimensional stability of fabric after low-temperature and high-speed sizing.Before qualitative, pad soft finishing agent, on the one hand, guarantee that qualitative process fabric is not oxidized, on the other hand, improved the feel of fabric, make fabric become more smooth, wear more comfortable.
By above-mentioned dyeing and finishing, solved following problems
1, solved easily oxidized problem of silver-colored fabric lining
Radiation proof finished product fabric is placed for a long time in air, still can be oxidized, even because acidic materials residual in air are as rotten in sour gas corrosions such as sulfiding gas or nitric oxides, permanent preservation for the ease of fabric, at the anti-oxidant rotten this respect of rear arrangement, we have adopted the solder technology of ion gun in arc.The so-called solder technology of ion gun in arc is exactly Titanium ion to be welded to the surface of silver-colored fiber radiation-proof fabric, forms titanium diaphragm, makes fabric sweat proof, and salt spray resistance is anti-oxidant, anticorrosion, and anti-variable color, reaches permanent stay-in-grade property.
2, improved repeatedly washing fastness of silver-colored fabric lining
Radiation-proof fabric its shielding property after washing declines, and repeatedly, after washing, shielding property declines slightly obvious, but after fabric is carried out to water-proof finish, its washing performance strengthens.Many experiments shows, through the fabric of water-proof finish than not strengthened 3-4 doubly through the fabric washing fastness arranging.Water-proof finish process using coating technology, uses permanent water-resistant agent to carry out secondary operations to fabric, reaches permanent waterproof and washing fastness.
3, strengthened silver-colored fabric lining insolation performance
In coating procedure, in coating agent working solution, add sunlight fastness promoting agent, can obviously improve the insolation performance of fabric.Value of chromatism before and after the fabric Exposure to Sunlight that experiment shows to arrange reduces, and light fastness improves.
Claims (3)
1. an electromagnetic radiation resistant two-sided knit fabric production method, it is characterized in that, described method is: the two-sided knit fabric grey cloth described in use silver plated fiber long filament and the second fiber weaving, so that the one side of described grey cloth is silver-colored fibrous face, and another side is the second fibrous face, then described grey cloth is carried out to dyeing and finishing; Wherein, described silver plated fiber long filament is to take chinlon filament as carrier, adopts electrolytic method or ooze solid method silver is arranged on to its top layer; Described dyeing and finishing step is followed successively by: pre-setting, pre-treatment, secondary sizing, anti-oxidant treatment, top finish, three heat treatments;
Described dyeing and finishing step is specially:
Pre-setting: the first squezzing of fabric, then enter in the setting machine of temperature 110-130 ℃, with the speed of per minute 22-28 rice, carry out pre-setting;
Pre-treatment: in closed overflow dyeing machine, will add auxiliary agent in pure water, process 25-60 minute with 50-80 ℃;
Secondary sizing: the first squezzing of fabric, then enter in the setting machine of 120 ℃ of temperature, with the speed of 30 meters of per minutes, carry out secondary sizing;
Anti-oxidant treatment: the form on the surface of described silver-colored fibrous face with ion plating is formed with metal level, and described metal level is titanium or titanium alloy layer;
Top finish: comprising: allotment slurry, starching, oven dry, washing; Wherein,
The dosage of described slurry is as follows: waterproof and oilproof reinforcing agent HF0.02g/L, water and oil repellent agent KG-500A33g/L, thickener FS-80E35g/L, sunlight fastness promoting agent JR-TN0222g/L;
By above-mentioned slurry after printing machine starching, 80-120 ℃ on baking oven nylon conduction band, speed of a motor vehicle 30-40m/min is dried; After oven dry, carry out 120-140 ℃ in overflow dyeing machine, 30min, adds moisture absorbing and sweat releasing agent 3g/L, washing; Then dehydration, 80 ℃ of oven dry;
Three sizings: by the textile pad softener after drying, then enter in the setting machine of temperature 110-130 ℃, carry out three sizings with the speed of per minute 25-35 rice.
2. electromagnetic radiation resistant two-sided knit fabric production method as claimed in claim 1, is characterized in that, described ion plating is multi-arc ion coating.
3. electromagnetic radiation resistant two-sided knit fabric production method as claimed in claim 1, is characterized in that, adds the auxiliary agent of following dosage in pretreatment process in pure water:
Clever 1-5g/L deoils; Refining agent 1-5g/L; Chelating agent 0.5-2g/L; Antioxidant 0.5-3g/L; Anti-creasing agent 0.1-1g/L.
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