CN103898736B - A kind of radiation resistant finish processing method of fabric - Google Patents
A kind of radiation resistant finish processing method of fabric Download PDFInfo
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- CN103898736B CN103898736B CN201410032272.XA CN201410032272A CN103898736B CN 103898736 B CN103898736 B CN 103898736B CN 201410032272 A CN201410032272 A CN 201410032272A CN 103898736 B CN103898736 B CN 103898736B
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Abstract
The invention provides a kind of radiation resistant finish processing method of fabric, it is characterized in that, adopt and pad baking, nanometer magnetic metal is invested on fabric, wherein, often liter of material padding working solution and comprise following mass component: nano metal wave absorbing agent 30-60g/L; Polymer binder 40-60g/L.The cloth using the present invention to produce avoids the shortcomings such as washability difference, grammes per square metre is large, soft comfortable is poor; This fabric is electromagnetic wave absorption and is translated into thermal release out simultaneously, has more superiority than the fabric of reflection electromagnetic wave; In addition, the present invention is by using special polymer binder, through special process by nanometer magnetic metal material consolidation on fabric, produce soft, that washing resistance good, radiation-proof effect is outstanding fabric, and the method can produce frivolous spring and summer anti-radiation face fabric.
Description
Technical field
The present invention relates to a kind of processing method of fabric, particularly relate to a kind of radiation resistant finish processing method of fabric.
Background technology
Along with the universal of electronic and electrical equipment and development, the radiation of electromagnetism in the life of people, may be avoided hardly.
Although there is the fabric clothing of some anti-electromagnetism, antistatic in market in sale now, the raw material that these manufacturing enterprises adopt mostly are stainless steel fibre.First, stainless steel fibre generally more is suitable for the exterior anti-electromagnetism garment industry such as winter dress, western-style clothes, jacket.Secondly, because stainless steel fibre is as directly contacted with consumer skin, can damage consumer, after long-time use, the consumer of consumer, particularly allergic constitution can be allowed to suffer from certain disease.Therefore, this type of material definitely can not be used for underwear, summer dress ornament anti-electromagnetic arts.
Especially it is worth mentioning that, pregnant woman is very responsive to electromagenetic wave radiation, is very necessary to the electromagnetic radiation resistant protection of pregnant woman.And above-mentioned exposure suit is not obviously suitable for the crowd of pregnant woman and so on.
What radiation-proof clothes for gravida was in the market maximum is metal fibre BLENDED FABRIC, although this series products has reasonable shielding property, but because metal fibre also exists many limitations in processing and use, the radiation-proof fabric needing a new generation replaces.
Summary of the invention
The present invention is intended to overcome the problems referred to above, can obtain that a kind of technique is simple, taking is strong, shielding property and all good radiation protection product of durability by the radiation resistant finish processing technology of fabric involved in the present invention.
The radiation resistant finish processing method of a kind of fabric provided by the invention, has such technical characteristic, adopts and pads baking, invested on fabric by nanometer magnetic metal.
In above-mentioned processing method, the involved concrete technology step of padding baking is:
Step one, pad process: working solution is rolled in two leachings two;
Step 2, drying course: at the temperature of 85 DEG C-95 DEG C, baking 1-5 minute;
In the present invention, research finds, when bake out temperature is 90 DEG C, when baking time is 3 minutes, and best results.Stoving process under above-mentioned process conditions can also play the advantage being conducive to fabric processing effect uniformity further.
Step 3, bake process: at the temperature of 130 DEG C-145 DEG C, bake 1-5 minute;
In the present invention, research finds, when the time of baking is 2 minutes, and best results.
In the present invention, the washing fastness that the above-mentioned process conditions guarantee padding baking is good and feel is only selected.
In addition, the radiation resistant finish processing method of a kind of fabric provided by the invention, also has such technical characteristic, often liter of material padding working solution and comprise following mass component:
Nano metal wave absorbing agent 30-60g/L;
Polymer binder 40-60g/L.
In the present invention, when nano metal wave absorbing agent is when padding the content in working solution lower than 30g/L, the radiation-resistant poor effect of product is caused; And when nano metal wave absorbing agent is when padding the content in working solution higher than 60g/L, not only cause cost significantly to increase, also cause the feel of fabric not good, have a strong impact on the comfort of client.
In addition, in the present invention, when polymer binder is when padding the content in working solution lower than 40g/L, the fastness to washing of fabric and fastness is caused to decline, radio-opaque substance on it is easy to be eliminated or weaken in the process of washing or use, and directly causes the radiation-proof effect of fabric not good; And when polymer binder is when padding the content in working solution lower than 60g/L, cause the feel of fabric not good, have a strong impact on the comfort of client.
In addition, the radiation resistant finish processing method of a kind of fabric provided by the invention, also has such technical characteristic, and above-mentioned nano metal wave absorbing agent is made up of nanometer magnetic metal particle.
Its concrete preparation method is:
Step one, by dissolving metal salts in water;
Step 2, at the uniform velocity drip NaOH solution while stirring, be 6-7 to pH, wherein the concentration of NaOH solution can be selected arbitrarily, and preferred mass percent concentration is 10%-40%.
After step 3, filtration remove solids of sedimentation, bake drying;
Step 4, be made into nano particle with ultrasonic grind instrument;
In the present invention, above-mentioned slaine is selected from containing the mixture of one or more in the salt compounds of magnetic metal; The mass ratio of slaine and water is 1-1.5:100.
In addition, in the present invention, slaine is preferably from molysite; Be more preferably, slaine is preferably from the mixture of divalent iron salt and trivalent iron salt.
When slaine is selected from divalent iron salt and trivalent iron salt, its best of breed is the material of following mass percentage content:
FeCl
20.4-0.5%；
FeCl
31-1.1%；
Water surplus.
It is worthy of note, the electron scattering using the absorption of nano magnetic particle to electromagnetic wave energy of this method manufacture to be electron scattering, impurity and the lattice caused by the thermal vibration of lattice electric field to be defect to cause and the interaction three kinds of effects between electronics and electronics realize.Therefore, having compared to fabrics in general radiation proof process is very outstanding radiation-proof effect.More due to, it just makes fabric possess radiation-resistant effect by shirtsleeve operation technique, has obviously had the progress of lifting foot compared to traditional handicraft means.
In addition, the radiation resistant finish processing method of a kind of fabric provided by the invention, also has such technical characteristic, and above-mentioned polymer binder is polyurethane binding.
Be preferably the polyurethane binding that upper Hailin graduation work Co., Ltd produces.
In the present invention, make use of the feature that polyurethane binding contains carbamate groups (-NHCOO-) or isocyanate group (-NCO), in mechanism, in isocyanate groups in system and system or system react containing the material of active hydrogen outward, generate polyurethanyl group or polyureas, thus the system intensity of making greatly improves and realizes bonding object.Than other adhesives, the more applicable process characteristic of the present invention of adhesive of this kind.
In addition, polyurethane binder possesses excellent shear strength and impact property, is applicable to various structural bonding field, and possesses excellent flexible nature.In addition, the gluing stick of polyurethane possesses excellent rubber property, can adapt to the bonding of different heat expansion coefficient base material, and it is formed between base material has soft-hard transition zone, and not only bonding force is strong, also has excellent buffering, shock-absorbing function simultaneously.The low temperature of the gluing stick of polyurethane and ultralow temperature performance exceed the adhesive of every other type.Due to the characteristic of above-mentioned excellence, more can effectively nano magnetic particle be attached on fabric in the present invention, form uniform perception, comfortable body sense and good wash resistant effect.
effect of the present invention
The production and processing method of a kind of Novel radiation-proof fabric that the present invention relates to, uses Nano-magnetic Metals as Electromagnetic Wave Absorbents, arranges on fabric by polymer binder, gives the radiation resistance that fabric is outstanding.
In the present invention, use Nano-magnetic Metals as Electromagnetic Wave Absorbents compare current metal fibre blended yarn woven fabric and radiation protective layer composite material, there is the advantages such as technique is simple, taking is strong, and this fabric shielding property and durability all good.
In the present invention, in radiation-proof fabric, do not use metal fibre and metallized fibre, avoid the shortcomings such as washability difference, grammes per square metre is large, soft comfortable is poor.The fabric of this kind of method manufacture is by electromagnetic wave absorption and is translated into thermal release out simultaneously, has more superiority than the fabric of reflection electromagnetic wave.
In addition, the absorption of the nanometer magnetic metal used in the present invention to electromagnetic wave energy to be electron scattering, impurity and the lattice caused by the thermal vibration of lattice electric field be electron scattering that defect causes and the interaction three kinds of effects between electronics and electronics realize.
In addition, in the present invention, by using this adhesive of special polymer binder to have good adhesive attraction to fabric and nanometer magnetic metal, and the fabrics feel soft after process.
The process filtered out through the present invention and process conditions, by nanometer magnetic metal material consolidation on fabric, produce soft, that washing resistance good, radiation-proof effect is outstanding fabric, and the method can produce frivolous spring and summer anti-radiation face fabric.
It is worthy of note, in traditional handicraft, often need to add the material such as bleeding agent, sticking agent, and under the process conditions of the working solution selected according to the present invention and work, its relevant performance can be realized equally without the need to adding this analog assistant.
Detailed description of the invention
Embodiment one, 1# fabric
1, the preparation of material
(1) fabric: 26sTK/1 single jersey
(2) nanometer magnetic metal wave absorbing agent: self-control nanometer magnetic metal particle 1#
The preparation method of nanometer magnetic metal particle 1#: add 2gFeCl in 500mL
2and 5gFeCl
3, under stirring rod effect, at the uniform velocity drip NaOH solution after fully dissolving, generate Fe as pH value appreciation 6-7
3o
4, by dry for the sedimentation and filtration post-drying generated, be finally made into nano particle with ultrasonic grind instrument.
(3) polymer binder: polyurethane binding LF-85(Shanghai Li Feng Chemical Industry Science Co., Ltd).
2, radiation resistant finish processing technology
Baking is padded in radiation resistant finish processing employing, bakes, nanometer magnetic metal is invested on fabric after textile pad dressing liquid through drying.
(1) composition of working solution:
Nanometer magnetic metal wave absorbing agent 40g/L
Polymer binder 50g/L
(2) radiation resistant finish process curve:
(90 DEG C, 3min) → bake (130 DEG C, 2min) → cool are rolled → dry in fabric two leachings two in working solution
3, shielding property test
According to GB/T23463-2009 " protective clothes microwave radiation protecting clothes " test experiments fabric to shielding electromagnetic waves usefulness (SE).The manikin that one is worn exposure suit is placed in screened room, manikin front end is provided with can launch the electromagnetic transmitting antenna of different frequency, the electric field probe of manikin inside carrys out Received signal strength, electromagnetic electric field strength E 1 (V/m) when to detect when not wearing sample clothing electromagnetic electric field strength E 2 (V/m) respectively and wear sample clothing, then calculate according to shield effectiveness SE=20lg (E2/E1).
In this experiment test, test frequency is respectively 30MHz, 300MHZ and 3000MHz.
Table one, 1# fabric are respectively the shield effectiveness of 30MHz, 300MHZ and 3000MHz at test frequency
By table one, this product fabric is to the shielding electromagnetic waves usefulness of three different frequencies all far above 10dB as seen, and this product fabric has good electromagnetic shielding effectiveness.
Embodiment two, 2# fabric:
1, the preparation of material
(1) fabric: T/C50/50 polyester-cotton blend single jersey
(2) nanometer magnetic metal wave absorbing agent: self-control nanometer magnetic metal particle 1#
(3) polymer binder: polyurethanes low-temperature adhesive (Shanghai Textile research institute)
2, radiation resistant finish processing technology
Baking is padded in radiation resistant finish processing employing, bakes, nanometer magnetic metal is invested on fabric after textile pad dressing liquid through drying.
(1) composition of working solution:
Nanometer magnetic metal wave absorbing agent 60g/L
Polymer binder 60g/L
(2) radiation resistant finish process curve
(90 DEG C, 3min) → bake (140 DEG C, 2min) → cool are rolled → dry in fabric two leachings two in working solution
3, shielding property test
According to GB/T23463-2009 " protective clothes microwave radiation protecting clothes " test experiments fabric to shielding electromagnetic waves usefulness (SE).The manikin that one is worn exposure suit is placed in screened room, manikin front end is provided with can launch the electromagnetic transmitting antenna of different frequency, the electric field probe of manikin inside carrys out Received signal strength, electromagnetic electric field strength E 1 (V/m) when to detect when not wearing sample clothing electromagnetic electric field strength E 2 (V/m) respectively and wear sample clothing, then calculate according to shield effectiveness SE=20lg (E2/E1).
In this experiment test, test frequency is respectively 30MHz, 300MHZ and 3000MHz.
Table two, 2# fabric are respectively the shield effectiveness of 30MHz, 300MHZ and 3000MHz at test frequency
By table two, this product fabric is to the shielding electromagnetic waves usefulness of three different frequencies all far above 10dB as seen, and this product fabric has good electromagnetic shielding effectiveness.
Embodiment three, 3# fabric
1, the preparation of material
(1) fabric: 150D is pure washs double-sided cloth
(2) nanometer magnetic metal wave absorbing agent: self-control nanometer magnetic metal particle 1#
(3) polymer binder: the white PUNEW(BASF of polyurethane binding specific force).
2, radiation resistant finish processing technology
Baking is padded in radiation resistant finish processing employing, bakes, nanometer magnetic metal is invested on fabric after textile pad dressing liquid through drying.
(1) composition of working solution:
Nanometer magnetic metal wave absorbing agent 30g/L
Polymer binder 40g/L
(2) radiation resistant finish process curve
(90 DEG C, 3min) → bake (145 DEG C, 2min) → cool are rolled → dry in fabric two leachings two in working solution
3, shielding property test
According to GB/T23463-2009 " protective clothes microwave radiation protecting clothes " test experiments fabric to shielding electromagnetic waves usefulness (SE).The manikin that one is worn exposure suit is placed in screened room, manikin front end is provided with can launch the electromagnetic transmitting antenna of different frequency, the electric field probe of manikin inside carrys out Received signal strength, electromagnetic electric field strength E 1 (V/m) when to detect when not wearing sample clothing electromagnetic electric field strength E 2 (V/m) respectively and wear sample clothing, then calculate according to shield effectiveness SE=20lg (E2/E1).
In this experiment test, test frequency is respectively 30MHz, 300MHZ and 3000MHz.
Table three, 3# fabric are respectively the shield effectiveness of 30MHz, 300MHZ and 3000MHz at test frequency
By table three, this product fabric is to the shielding electromagnetic waves usefulness of three different frequencies all far above 10dB as seen, and this product fabric has good electromagnetic shielding effectiveness.
Embodiment four, 4# fabric
1, the preparation of material
(1) fabric: fabric 75D/72F (terylene+polypropylene fibre) interlock fabric
(2) nanometer magnetic metal wave absorbing agent: self-control nanometer magnetic metal particle 2#
The preparation method of nanometer magnetic metal particle 1#: add 2.5gFeCl in 500mL
2and 5gFeCl
3, under stirring rod effect, at the uniform velocity drip NaOH solution after fully dissolving, generate Fe as pH value appreciation 6-7
3o
4, by dry for the sedimentation and filtration post-drying generated, be finally made into nano particle with ultrasonic grind instrument.
(3) polymer binder: polyurethane binding LF-85(Shanghai Li Feng Chemical Industry Science Co., Ltd).
2, radiation resistant finish processing technology
Baking is padded in radiation resistant finish processing employing, bakes, nanometer magnetic metal is invested on fabric after textile pad dressing liquid through drying.
(1) composition of working solution:
Nanometer magnetic metal wave absorbing agent 35g/L
Polymer binder 55g/L
(2) radiation resistant finish process curve
(95 DEG C, 1min) → bake (145 DEG C, 1min) → cool are rolled → dry in fabric two leachings two in working solution
3, shielding property test
According to GB/T23463-2009 " protective clothes microwave radiation protecting clothes " test experiments fabric to shielding electromagnetic waves usefulness (SE).The manikin that one is worn exposure suit is placed in screened room, manikin front end is provided with can launch the electromagnetic transmitting antenna of different frequency, the electric field probe of manikin inside carrys out Received signal strength, electromagnetic electric field strength E 1 (V/m) when to detect when not wearing sample clothing electromagnetic electric field strength E 2 (V/m) respectively and wear sample clothing, then calculate according to shield effectiveness SE=20lg (E2/E1).
In this experiment test, test frequency is respectively 30MHz, 300MHZ and 3000MHz.
Table four, 4# fabric are respectively the shield effectiveness of 30MHz, 300MHZ and 3000MHz at test frequency
By table four, this product fabric is to the shielding electromagnetic waves usefulness of three different frequencies all far above 10dB as seen, and this product fabric has good electromagnetic shielding effectiveness.
Embodiment five, 5# fabric
1, the preparation of material
(1) fabric: 75D/144FDTY+150D/100FDTY
(2) nanometer magnetic metal wave absorbing agent: self-control nanometer magnetic metal particle 3#
The preparation method of nanometer magnetic metal particle 1#: add 2.3gFe (SO in 500mL
4)
2with 5.5gFe (SO
4)
3, under stirring rod effect, at the uniform velocity drip NaOH solution after fully dissolving, generate Fe as pH value appreciation 6-7
3o
4, by dry for the sedimentation and filtration post-drying generated, be finally made into nano particle with ultrasonic grind instrument.
(3) polymer binder: polyurethane binding LF-85(Shanghai Li Feng Chemical Industry Science Co., Ltd).
2, radiation resistant finish processing technology
Baking is padded in radiation resistant finish processing employing, bakes, nanometer magnetic metal is invested on fabric after textile pad dressing liquid through drying.
(1) composition of working solution:
Nanometer magnetic metal wave absorbing agent 55g/L
Polymer binder 45g/L
(2) radiation resistant finish process curve
(90 DEG C, 5min) → bake (130 DEG C, 5min) → cool are rolled → dry in fabric two leachings two in working solution
3, shielding property test
According to GB/T23463-2009 " protective clothes microwave radiation protecting clothes " test experiments fabric to shielding electromagnetic waves usefulness (SE).The manikin that one is worn exposure suit is placed in screened room, manikin front end is provided with can launch the electromagnetic transmitting antenna of different frequency, the electric field probe of manikin inside carrys out Received signal strength, electromagnetic electric field strength E 1 (V/m) when to detect when not wearing sample clothing electromagnetic electric field strength E 2 (V/m) respectively and wear sample clothing, then calculate according to shield effectiveness SE=20lg (E2/E1).
In this experiment test, test frequency is respectively 30MHz, 300MHZ and 3000MHz.
Table five, 5# fabric are respectively the shield effectiveness of 30MHz, 300MHZ and 3000MHz at test frequency
By table five, this product fabric is to the shielding electromagnetic waves usefulness of three different frequencies all far above 10dB as seen, and this product fabric has good electromagnetic shielding effectiveness.
the effect of embodiment
As known in above-described embodiment 1-5, technique involved in the present invention is applied widely, can be applied to the radiation proof process of various types of cloth product.
As everyone knows, according to different frequency electromagnetic wave, commercially available exposure suit (traditional handicraft manufacture) shield effectiveness is substantially at about 10-20dB.
And the data according to the shield effectiveness form in table one to five in the present embodiment 1-5, can find out, the absorption of nanometer magnetic metal to electromagnetic wave energy used due to the present invention is the electron scattering caused by the thermal vibration of lattice electric field, impurity and lattice are that the electron scattering that causes of defect and the interaction three kinds of effects between electronics and electronics realize, its shield effectiveness realized is far above 10-20dB, general all at more than 20-40dB, as can be seen here, by the product prepared by process of the present invention, it is effective, process conditions are simple, product stability is good.
Owing to employing polyurethane binding in the present invention, by the restriction of process conditions, shield effectiveness after repeatedly washing is still between 20-40dB, its washing times is extremely low on the impact of shield effectiveness, as can be seen here, in the present invention, this type of material is selected, by itself and the condition such as technique, formula with the use of rear, substantially increase the durability degree of fabric radiation.
Claims (8)
1. a radiation resistant finish processing method for fabric, is characterized in that, adopts and pads baking, invested by nanometer magnetic metal on fabric,
Wherein, often liter of material padding working solution and comprise following mass component:
Nano metal wave absorbing agent 30-60g;
Polymer binder 40-60g;
Described nano metal wave absorbing agent is made up of nanometer magnetic metal particle;
The preparation method of described nanometer magnetic metal particle is:
Step one, by dissolving metal salts in water;
Step 2, at the uniform velocity dripping NaOH solution while stirring, is 6-7 to pH;
After step 3, filtration remove solids of sedimentation, bake drying;
Step 4, be made into nano particle with ultrasonic grind instrument;
Wherein, described slaine is selected from containing the mixture of one or more in the salt compounds of magnetic metal;
The mass ratio of described slaine and water is 1-1.5:100.
2. the radiation resistant finish processing method of a kind of fabric as claimed in claim 1, is characterized in that, described in pad baking concrete technology step be:
Step one, pad process: two leachings two are rolled;
Step 2, drying course: at the temperature of 85 DEG C-95 DEG C, baking 1-5 minute;
Step 3, bake process: at the temperature of 130 DEG C-145 DEG C, bake 1-5 minute.
3. the radiation resistant finish processing method of a kind of fabric as claimed in claim 2, is characterized in that, described drying course carries out 3 minutes at 90 DEG C.
4. the radiation resistant finish processing method of a kind of fabric as claimed in claim 2, is characterized in that, described in bake process and bake 2 minutes.
5. the radiation resistant finish processing method of a kind of fabric as claimed in claim 1, is characterized in that, described slaine is selected from molysite.
6. the radiation resistant finish processing method of a kind of fabric as claimed in claim 5, is characterized in that, described slaine is selected from the mixture of divalent iron salt and trivalent iron salt.
7. the radiation resistant finish processing method of a kind of fabric as described in as arbitrary in claim 1 to 6, it is characterized in that, described step one is that the material of following mass percentage content is carried out sufficient mixed dissolution:
FeCl
20.4-0.5％；
FeCl
31-1.1％；
Water surplus.
8. the radiation resistant finish processing method of a kind of fabric as claimed in claim 1, is characterized in that, described polymer binder is polyurethane binding.
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| CN106381684B (en) * | 2016-09-21 | 2018-08-03 | 福建五赫兹生物科技有限公司 | A kind of preparation method of the Multilayer radiation-proof fiber based on ferrite and nano material |
| CN106835694B (en) * | 2016-12-23 | 2020-03-06 | 句容市申兔工艺针织厂 | Finishing process for increasing radiation resistance of weft-knitted fabric |
| CN106930105B (en) * | 2016-12-23 | 2020-04-17 | 句容市申兔工艺针织厂 | Finishing agent for improving radiation resistance of weft-knitted fabric and application thereof |
| CN107323007B (en) * | 2017-07-07 | 2019-03-01 | 浙江理工大学 | A kind of absorbing material preparation process of honeycomb sandwich structure |
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| CN1709799A (en) * | 2004-06-16 | 2005-12-21 | 中南大学 | Method for preparing superfine/nano iron oxide/iron powder |
| CN102154832A (en) * | 2010-12-31 | 2011-08-17 | 泉州红瑞兴纺织有限公司 | Fabric coating finishing agent with electromagnetic shielding function and preparation method thereof |
| CN102220690A (en) * | 2010-04-27 | 2011-10-19 | 王建波 | Method for manufacturing electromagnetic radiation resistant fabric |
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| JP4005222B2 (en) * | 1998-06-23 | 2007-11-07 | 株式会社ジャムコ | Electromagnetic wave absorber |
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| CN1709799A (en) * | 2004-06-16 | 2005-12-21 | 中南大学 | Method for preparing superfine/nano iron oxide/iron powder |
| CN102220690A (en) * | 2010-04-27 | 2011-10-19 | 王建波 | Method for manufacturing electromagnetic radiation resistant fabric |
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Denomination of invention: Radiation proof finishing processing method of fabric Effective date of registration: 20211115 Granted publication date: 20151118 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI JIALE Co.,Ltd. Registration number: Y2021310000100 |
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Denomination of invention: A radiation proof finishing method for fabrics Effective date of registration: 20220624 Granted publication date: 20151118 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI JIALE Co.,Ltd. Registration number: Y2022310000085 |
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