CN1247836C - Textile fiber with conductive ane magnetic conductive function and its preparing method - Google Patents
Textile fiber with conductive ane magnetic conductive function and its preparing method Download PDFInfo
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- CN1247836C CN1247836C CN 200410083808 CN200410083808A CN1247836C CN 1247836 C CN1247836 C CN 1247836C CN 200410083808 CN200410083808 CN 200410083808 CN 200410083808 A CN200410083808 A CN 200410083808A CN 1247836 C CN1247836 C CN 1247836C
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Abstract
The present invention belongs to the field of the preparation of a textile fiber material with double functions, particularly to the preparation of a textile fiber material with double nano functions of electric conduction and magnetic conduction. The textile fiber material with double functions of electric conduction and magnetic conduction is formed by combining and mixing 2 wt% to 15% wt% of double-function nano powder and 85 wt% to 98 wt% of high molecular polymer. The textile fiber material with double functions of electric conduction and magnetic conduction is characterized in that zeta-Fe2N. alpha-Fe with the grain diameters of 20 to 80 nm is combined into the double-function nano powder whose outer surface is then coated with a film of Fe3O4. Compared with the prior art, the textile fiber material with double functions of electric conduction and magnetic conduction and a preparation method thereof in the present invention has the characteristics that the textile fiber material with double functions of electric conduction and magnetic conduction already meets the design requirements of magnetic and electric prevention, and due to the design philosophy that the material and the preparation method of the present invention use the magnetic conduction as the main function and use the electric conduction as the auxiliary function, the harm of a low-frequency magnetic field to human bodies can be prevented.
Description
Affiliated field
The present invention belongs to the textile fiber material field that preparation has two multiple functions.Particularly preparation has the fibres for fabrics material of conduction and the two multiple nano functionals of magnetic conduction.
Background technology
Adopt the method for chemical synthesis to prepare the existing years of development history of textile fabric thing, and people are to the function of use of such textile fabric thing, also only limit to warming and beautify daily life.
In the prior art, the existing high-tech preparation method of employing has single-phase materials with function powder with implanting or incorporate in the textiless such as cotton fiber, polyster fibre, nylon fibre, spandex fibre, makes the product of this fabric class possess monistic function of use.
Along with the continuous development of science and technology, in today that electromagnetic technique is widely used, it also can cause certain " electromagnetic pollution " to the mankind's living environment.The electromagnetic radiation extremely weak as intensity can cause the nerve of human body and the disorder of spirit; The HIGH-POWERED MICROWAVES radiation also can have tangible destruction or damage to the person; Millimeter wave acts on and produces the painstaking effort effect in the health that can make the people on the skin; Decimetric wave and metric wave then can directly act on important organ pipes such as people's brain and heart, become a kind of public hazards of environmental pollution.Electromagnetic radiation not only can endanger the health of the person in addition, and it also influences the power of all types of signal transmitters and the growth of quantity simultaneously.
" electromagnetic pollution " is except threatening human health and destroying the ecological environment, also can cause the equipment work of electronic instrument not normal, for example can make the information error that is transmitted, or cause robot control system(RCS) malfunctioning, or the breaking-up wireless transmitting system, hindered the sensitivity of multiple electronic equipment and the raising of precision.
In the prior art, based on the made product of the features fiber of electrical property, all be based on reflection-type, and being injured big low frequency magnetic field, the mankind do not play protection effect.
At present Japan has developed a kind of plastics conducting objects shielding material, and this material mainly is electrical-conductive nanometer powder and fiber to be joined go to carry out the moulding compacting in the plastics and form.The content that such Japan Patent JP2000333618, JP3137213, JP2000328469 are introduced all is the uvioresistant, anti-visible-light, anti-near-infrared of preparation, the functional fibre of functional fibre, the report of aspect such as anti-oxidant.Also developing a kind of in the recent period just like Britain in addition is the Protection Product of main material with the filamentary silver, and it is Protection Product of shielding material or the like that the French U.S. develops with wire, stainless steel wire.U.S. Pat 2002014716, US6365545, US6121191 etc. introduced also is the uvioresistant, anti-visible-light, anti-near-infrared of the preparation of functional fibre and relevant functional fibre, the report of aspect such as anti-oxidant.
In sum, just at present at home, in the report material that the outer electricity of being engaged in, magnetic guard technology (material) are studied, develop, produce, used, which yet there are no to solve the harm of electromagnetic wave, particularly low frequency magnetic field, and solve in the electromagnetic leakage problem of using occasions such as electronic equipment to human body.Also stepping up research both at home and abroad to two multiple nano functional fibers of conductive magneto-conductive and goods thereof.
Summary of the invention
The objective of the invention is to propose a kind of conduction and the good two multiple function textile fabric material of magnetic property, and this preparation method with textile fabric material of the two multiple functions of conductive magneto-conductive.
According to purpose of the present invention conductive magneto-conductive function textile fabric material products is proposed, our solution is wanted to consume electromagnetic energy expeditiously at the conductive magneto-conductive nano-powder of considering this material, and the consumption of magnetic field energy is more even more important than the consumption of electric field energy, so ζ-Fe that we adopted
2The two multiple nanopowders of N α-Fe are to belong to magnetic loss type (magnetic conduction type) nano material, and it is by the carbonyl thermolysis process, are about to iron pentacarbonyl and carry out thermal decomposition under the atmosphere of ammonia and obtain having.This nano composite powder physical efficiency electromagnetic wave of decaying effectively.In addition from the harm very big consideration of low frequency magnetic field to human body, it is main and electrical property is secondary powder also needing to adopt the ferromagnetism composite nano-powder.Therefore we proposed, and to have the two multiple functional fibres weaving materials of conductive magneto-conductive be to include two multiple function nano powder and high molecular polymer combines, and it is characterized in that nano powder is is ζ-Fe of 20-80nm by particle diameter
2N α-Fe is combined as the powder of two multiple function nanos, and is enclosed with Fe at the powder granule outer surface
3O
4Film, the multiple function nano powder of this pair with the mixed weight % of high molecular polymer is: two function nano powder 2-15% of answering; High molecular polymer 85-98%.Other features in the two multiple function textile fabric materials of this conductive magneto-conductive also are two multiple function nano powder ζ-Fe
2N α-Fe is wrapped with Fe
3O
4Film, its outsourcing Fe
3O
4Film thickness monitoring at 3-10nm.
According to purpose of the present invention, we propose has the two multiple function fabric fiber material of conductive magneto-conductive, primary key technology is that the two multiple nano material and the traditional fibre of a kind of conductive magneto-conductive of design is complementary, we are by the test of research and many groups, and proposing to adopt with ferromagnetism to be the nano material of pair for main electrical property.This is because the conductive magneto-conductive fiber is worked as electromagnetic wave in transmission course, its
And be 1 for this value of dielectric, therefore in the metallic conductor for dielectric, magnetic field is important more than electric field, electromagnetic energy mainly is a magnetic field energy in the metal.μ-magnetic conductivity in the formula, ε-dielectric constant, H-magnetic field, E-electric field, σ-electrical conductivity, ω-angular frequency.
The two multiple function fabric fiber material of conductive magneto-conductive are to belong to the material that high efficiency consumes electromagnetic wave energy, and the consumption of the consumption rate electric field energy of magnetic field energy is even more important, therefore adopt the magnetic loss type nano material electromagnetic wave of can more effectively decaying.Considering that low frequency magnetic field is bigger to the extent of injury of human body, is the material of electrical property for pair of advocating peace so we have selected the ferromagnetism nano powder.Design of the present invention for this reason is that the employing particle diameter is ζ-Fe of 20-80nm
2N α-Fe composite nano powder, its phase structure as shown in drawings, the phase structure from accompanying drawing is ζ-Fe as can be seen
2N α-Fe all is structures of ferromagnetism phase.In order to prevent nanometer ζ-Fe
2The electric conductivity of the oxidation of N α-Fe powder and raising composite Nano powder is with its ζ-Fe
2N α-Fe powder coats one deck Fe outside the surface
3O
4Film, its film thickness monitoring is advisable at 3-10nm.Because Fe
3O
4Be a kind of good good conductor, not only have electric conductivity preferably, and have certain magnetic, at ζ-Fe of the present invention
2N α-Fe powder coats one deck Fe outside the surface
3O
4Film can also make ferromagnetic ζ-Fe
2N α-Fe is in stable state, the oxidation of composite nano powder in having avoided using.
Preparation method with conductive magneto-conductive function textile fabric material of the present invention is 20-80nm with particle diameter, and the surface is coated with Fe
3O
4ζ-the Fe of film
2The nano powder and the high molecular polymer of the two multiple functions of N α-Fe are heated, pressurize, are mixed by above-mentioned preset proportion, it is characterized in that this preparation method puts into super mixer by the proportioning (2-15%) of set amount with high molecular polymer with the nano powder of two multiple functions earlier to stir 2-5 hour, reactor fusion of putting into High Temperature High Pressure again after evenly to be mixed, the frit reaction temperature is controlled to be 200-300 ℃, reaction pressure is 5-20Mpa, and the reaction time is 10-30 minute.Above-described high molecular polymer is meant any one or the two or more combination copolymers in terylene, polyamide fibre, polypropylene fibre and the viscose glue.Can adopt the double screw extruder of existing technology to extrude again after the reaction fusion, the double screw extruder technological parameter is as follows:
Technic index one district two districts, three districts, four districts, five district's melt rotating speed moment of torsion extrusion capacities
160 ℃ of 195 ℃ of 200 ℃ of 195 ℃ of 195 ℃ 195 ℃ 240rpm 40% 60Kg/h of parameter
By the blend material that double screw extruder equipment is extruded, adopt prior art and spray silk machine and stretching-machine to spray silk-oil-reels-stretches-technologies such as quality inspection again, make pair again nano functional textile fabric material products of magnetic conduction conduction.Another kind of spinning method is to get the two multiple nano powder of setting proportional quantity to mix granulation after fusion mutually with high molecular polymer earlier, be called nanomaterial master batch with the two multiple functions of magnetic conduction conduction, this master batch can be reeled and formed with high molecular polymer (or claiming section) melt-out spinning in autoclave more as required then, the general finished product uniformity that makes with this kind method is better than aforementioned, but complex process, manufacturing cost height, the present invention directly adopts the preceding method preparation, equally also can satisfy every technical requirement.
Employing is designed by the present invention, and textile fabric material that also has the two multiple functions of conductive magneto-conductive simultaneously and preparation method thereof compared with prior art has following characteristics:
1, the textile fabric materials with the two multiple functions of conductive magneto-conductive of the present invention have satisfied the two anti-designs of magnetoelectricity and have wanted art.Have only single electric conductivity in the prior art and do not have magnetic conductivity by doing, thereby the product of making uses the field very narrow.Be restricted as in the electromagnetism field, using, because conducting fibre generally all is in reflection-type, therefore can not thoroughly eliminate the injury of electromagnetic wave to human body, because reflection-type can form the electromagnetic leakage of space secondary reflection, especially under telecommunications or the precision instrument occasion and do not fill under the situation of being permitted to produce the secondary reflection ripple and use, be subjected to strict restriction already.Two multiple function textile fabric materials of the present invention and preparation method thereof then can solve above-mentioned disadvantage.
2, adopting prior art is to solve the serious harm of low frequency magnetic field to human body.And material proposed by the invention and preparation method are that taking as the leading factor electrically with magnetic conductivity is the design philosophy of pair, so we have reasonably solved the harm of low frequency magnetic field to the person.
3,, make that the magnetic lining can to occur behind the product be that prior art is unexistent because the appearance of the two multiple function textile fabric materials of conductive magneto-conductive of the present invention.Because nanometer technology being incorporated in the conventional fabrics fiber of material success of the present invention, make the function textiles new functional characteristics not only occur, and combine with traditional fibre and can also have permanent effect, effectively changed because defectives such as washing and long-time aging, the fractures of former thereby fabric such as using.And traditional fabric is owing to powder causes disadvantages such as product poor durability when thick.
Description of drawings
In specification of the present invention, accompanying drawing 1 is ζ-Fe
2The phase structure photo of the two multiple function nano powders of N α-Fe; Accompanying drawing 2 is the phase structure photo of α-Fe nano-powder; Accompanying drawing 3 is ζ-Fe
2The phase structure photo of N nano-powder.
Specific embodiments
Mode 1: according to the composition with the two multiple functional fibres weaving of conductive magneto-conductive materials of the present invention and the preparation method production of preparing burden, we have prepared three batches of two multiple functional fibre weaving materials altogether, and its preparation technology adopts the carbonyl thermal decomposition method to produce parcel Fe
3O
4ζ-Fe
2The two multiple function nano powder of N α-Fe, then mixture being put into super mixer stirs, treat material mix after melt process in reactor again, its treatment process sees Table 1, and then spray silk-oil-reel-technology such as stretch and all adopt the method for prior art, carry out processing with double screw extruder equipment etc. and become semi-finished product, and this material is processed into test products, the application testing that carries out precise electronic device workplace and safe care registry aspect then compares, its comparing result tabulation 2.
Mode 2: the composition summary of the invention according to the two multiple functional fibre weaving materials of conductive magneto-conductive of the present invention is made product application testing the results list 3 in occasions such as broadcast communication, radar stations.
Mode 3: the composition summary of the invention according to the two multiple functional fibre weaving materials of conductive magneto-conductive of the present invention is made product in applications test results such as physical protection, health care tabulation 4.
The preparation technology of table 1 embodiment of the invention
| The parameter sequence number | Fe 3O 4Thickness (nm) | The mixture mixing time (hour) | Reaction temperature (℃) | Reaction pressure (Mpa) | Reaction time (minute) | |
| Example 1 | 1 | 8 | 3 | 300 | 5 | 20 |
| 2 | 8 | 3 | 300 | 5 | 20 | |
| 3 | 8 | 3 | 300 | 5 | 20 | |
| Example 2 | 4 | 4 | 2 | 200 | 10 | 10 |
| 5 | 4 | 2 | 200 | 10 | 10 | |
| 6 | 4 | 2 | 200 | 10 | 10 | |
| Example 3 | 7 | 10 | 5 | 300 | 20 | 30 |
| 8 | 10 | 5 | 300 | 20 | 30 | |
| 9 | 10 | 5 | 300 | 20 | 30 | |
Two multiple functional fibre weaving material chemical compositions (weight %) of table 2 conductive magneto-conductive and effect
| Two multiple nano materials | High molecular polymer | The conductive magneto-conductive fabric product | Effect | The applying frequency scope | |||||
| Granularity (nm) | Proportioning (%) | Title | Proportioning (%) | The application scenario | Electric shield (dB) | Magnetic screen (dB) | Electric shield (MHz) | Magnetic screen (MHz) | |
| 1 | 25 | 10 | Terylene | 90 | The precision instrument safe care registry is used | 60-70 | 15-20 | 10- 10000 | 10- 10000 |
| 2 | 30 | 12 | Terylene | 88 | The precision instrument safe care registry is used | 62-75 | 20-25 | 10- 10000 | 10- 10000 |
| 3 | 50 | 15 | Terylene | 85 | The precision instrument safe care registry is used | 65-80 | 25-30 | 10- 10000 | 10- 10000 |
Two multiple functional fibre weaving material chemical compositions (weight %) of table 3 conductive magneto-conductive and effect
| Two multiple nano materials | High molecular polymer | The conductive magneto-conductive fabric product | Effect | The applying frequency scope | |||||
| Granularity (nm) | Proportioning (%) | Title | Proportioning (%) | The application scenario | Electric shield (dB) | Magnetic screen (dB) | Electric shield (MHz) | Magnetic screen (MHz) | |
| 4 | 60 | 4 | Polyamide fibre | 96 | The broadcast communication radar station is used | 40 | 15-18 | 10-10000 | 10-5000 |
| 5 | 70 | 3 | Polyamide fibre | 97 | The broadcast communication radar station is used | 35 | 11-15 | 10-10000 | 10-5000 |
| 6 | 80 | 2 | Polyamide fibre | 98 | The broadcast communication radar station is used | 30 | 10-12 | 10-10000 | 10-5000 |
Two multiple functional fibre weaving material chemical compositions (weight %) of table 4 conductive magneto-conductive and effect
| Two multiple nano materials | High molecular polymer | The conductive magneto-conductive fabric product | Effect | The applying frequency scope | |||||
| Granularity (nm) | Proportioning (%) | Title | Proportioning (%) | The application scenario | Electric shield (dB) | Magnetic screen (dB) | Electric shield (KHz) | Magnetic screen (KHz) | |
| 7 | 30 | 7 | Viscose glue | 93 | The physical protection health care | 20 | 10-15 | 10-10000 | 1-1000 |
| 8 | 50 | 9 | Viscose glue | 91 | The physical protection health care | 25 | 12-18 | 10-10000 | 1-1000 |
| 9 | 70 | 12 | Viscose glue | 88 | The physical protection health care | 30 | 15-20 | 10-10000 | 1-1000 |
Employing is by the two multiple function textile fabric products of the listed conductive magneto-conductive of specific embodiment of the present invention, with the discovery that compares of the product of ZL95225035.7 in the prior art, product of the present invention belongs to the two multiple function textile fabric product of conductive magneto-conductive (shielding electricity, magnetic), and the fabric product of conduction individual event function only arranged in the product of prior art, because of make than the heart that can't prevent low frequency magnetic field, brain, blood vessel human body or harm.He compares with the embodiment of the invention 3 (table 4) product, though electric shielding effect is suitable with product of the present invention, prior art products does not all have the magnetic screen function.
Claims (3)
1, a kind of textile fabric material with the two multiple functions of conductive magneto-conductive, the two multiple function textile fabric materials of this conductive magneto-conductive are to include two multiple function nano powders and high molecular polymer combines, and it is characterized in that nanopowder is is ζ-Fe of 20-80nm by particle diameter
2N α-Fe is combined into the nano-powder with two multiple functions, and is enclosed with Fe at the multiple function nano powder outer surface of this pair
3O
4Film, the multiple function nano powder of this pair with the mixed weight % of high molecular polymer is: two function nano powder 2-15%, high molecular polymer 85-98% of answering.
2,, it is characterized in that being the two multiple function nano material ζ-Fe in the multiple function textile fabric material of this pair according to the two multiple function textile fabric materials of the described conductive magneto-conductive of claim 1
2N α-Fe powder is wrapped with Fe
3O
4The THICKNESS CONTROL of rete is 3-10nm.
3, the described preparation method of a kind of claim 1 with the two multiple function textile fabric materials of conductive magneto-conductive, this method is 20-80nm with particle diameter, the surface is coated with Fe
3O
4ζ-the Fe of film
2The nano powder and the high molecular polymer of the two multiple functions of N α-Fe are heated by preset proportion, pressurization, mix, spray silk-oil-reel-stretch-quality inspection by the preparation method of prior art then, produce the product of the two multiple nano functional fibrous woven materials of magnetic conduction conduction, it is characterized in that this method is to prepare by the designing requirement amount, then the nano powder and the high molecular polymer of two multiple functions are put into super mixer stirring 2-5 hour, the material of getting again after evenly to be mixed is put into the reactor of High Temperature High Pressure and is carried out melt process, the frit reaction temperature is controlled to be 200-300 ℃, reaction pressure is 5-20MPa, and the reaction time is 10-30 minute.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410083808 CN1247836C (en) | 2004-10-19 | 2004-10-19 | Textile fiber with conductive ane magnetic conductive function and its preparing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410083808 CN1247836C (en) | 2004-10-19 | 2004-10-19 | Textile fiber with conductive ane magnetic conductive function and its preparing method |
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| Publication Number | Publication Date |
|---|---|
| CN1587456A CN1587456A (en) | 2005-03-02 |
| CN1247836C true CN1247836C (en) | 2006-03-29 |
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|---|---|---|---|
| CN 200410083808 Expired - Fee Related CN1247836C (en) | 2004-10-19 | 2004-10-19 | Textile fiber with conductive ane magnetic conductive function and its preparing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963018B (en) * | 2015-07-15 | 2018-12-07 | 中山科成化纤有限公司 | Conduction/magnetic conduction chemical fibre induced by magnetic field assists spinning moulding device and its production method |
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Owner name: GAUNA BEIJING INSTITUTE OF TECHNOLOGY CO. Free format text: FORMER OWNER: IRON AND STEEL RESEARCH GEUERAL INST. Effective date: 20080523 |
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