CN1388275A - Far infrared magnetic fiber and its production process - Google Patents
Far infrared magnetic fiber and its production process Download PDFInfo
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- CN1388275A CN1388275A CN 02125206 CN02125206A CN1388275A CN 1388275 A CN1388275 A CN 1388275A CN 02125206 CN02125206 CN 02125206 CN 02125206 A CN02125206 A CN 02125206A CN 1388275 A CN1388275 A CN 1388275A
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Abstract
The present invention relates to one kind of far infrared magnetic fiber and fits production process. The fiber features its coating-core structure includes a coating layer comprising polymer, far infrared powder and coupling agent, and the core material includes polymer, magnetic powder and modifier. It is produced through the steps of producing coating material including mixing, extruding and pelletizing; producing core material including mixing, extruding and pelletizing; prdoucing composite fiber including spinning with the coating material and the core material in certain proportion and drawing; and magnetizing of the composite fiber to obtain far infrared magnetic fiber. The fiber of the present invention has excellent far infrared and magnetic health performance.
Description
(1) technical field
The present invention relates to functional chemical fibre and manufacture method technology thereof, be specially a kind of far infrared magnetic fiber and manufacture method technology thereof.Its IPC Main classification number plan is Int.Cl
7D01F 10/00.
(2) background technology
Far IR fibre and magnetic fibre all are the functional fibres that human body is had certain health-care function.This has all been carried out big quantity research both at home and abroad.For the many patent documentation report of far IR fibre, for example, introduced for Japanese patent laid-open 1-24837 number and in polymer, to have added the method that the far infrared powder prepares far IR fibre; Disclose for Chinese patent CN1081475 number and in synthetic fiber material, added the technology that far-infared ceramic powder is made far infrared health care type synthetic fiber; The preparation method that Chinese patent CN also discloses a kind of far-infrared ceramic chemical fibre No. 1095118.For magnetic fibre many patent documentation reports are arranged also, for example, the flat 3-130413 of Japan Patent has introduced a kind of method that adopts the core-skin method to make magnetic fibre.Its cortex is a polymer, and sandwich layer is the mixture of polymer and magnetic, and particle content accounts for the 5-70% of core layer material.These functional fibres or have far-infrared functional, or have magnetic function, act on single.Chinese patent CN1252460 number a kind of magnetic health care fiber manufacturing technology is disclosed.It is that magnetic particle fully is mixed and made into master batch with far infrared particulate and vector resin in proportion, makes with material resin blend spinning in proportion again.Its hard magnetic material accounts for the 10%-50% of master batch weight, and this master batch addition is 15%-30% in the spinning.The deficiency of this method is: on the one hand because particle content lower (accounting for the 1.5%-15% of total weight of fiber), the magnetic property of fiber is not obvious, on the other hand, far IR fibre is by absorbing and the emitting far-infrared health-care function that reaches human body, magnetic fibre then is by the magnetic field of certain intensity human body to be played health-care function, because both health-care function mechanism differences, the described method that magnetic particle fully is mixed and made into master batch with far infrared particulate and vector resin in proportion and then makes the magnetic far-infrared health fiber, the effect of magnetic and far infrared particulate is had a negative impact mutually, influence the performance of its health care (particularly influencing its magnetic property) effect, practical health care is worth not obvious.
(3) summary of the invention
At the deficiencies in the prior art, the far infrared magnetic fiber quasi-solution of the present invention prior art of determining is mixed the magnetic particle of difference in functionality and is used the health care problem of magnetic property particularly influence fiber again with far infrared particulate powder, provide a kind of and had emitting far-infrared and fiber and manufacturing technology thereof magnetic line of force complex function.It can have higher far infrared emissivity and stronger magnetic field intensity.
The technical scheme that the present invention solves described technical problem is: design a kind of far infrared magnetic fiber, it is characterized in that this far infrared magnetic fiber has skin-core structure, the core-skin weight ratio is 3: 7-7: 3; The cortex material of fiber comprises polymer, far infrared powder and coupling agent, and wherein polymer accounts for the 89.6-95.9% of cortex compound weight, and the far infrared powder accounts for 4-10%, and coupling agent accounts for 0.1-0.4%; The core layer material of fiber comprises polymer, magnetic and modifier, and wherein the polymer 13-59.4%, the magnetic that account for sandwich layer compound weight accounts for 40-85%, and modifier accounts for 0.6-2%.
The manufacture method of far infrared magnetic fiber of the present invention is to be undertaken by following technology:
1. make the fiber sheath layered material: even by described ratio of polymer, far infrared powder and coupling agent
After the mixing, under 180-270 ℃ of temperature, extrude through twin-screw, granulation obtains described fiber sheath
Layered material;
2. make the fibre core layered material: after evenly mixing by described ratio of polymer, magnetic and modifier,
Under 180-270 ℃ of temperature, to extrude through twin-screw, granulation obtains described fibre core layered material;
3. make the core-skin compound silk: with the fiber sheath layered material and the fibre core of above-mentioned (1), (2) step gained
Layered material by described core-skin weight ratio, spins out undrawn yarn with core-skin composite spinning silk machine; Again will
Undrawn yarn is under 65-95 ℃ of temperature, and stretching 2-4 doubly obtains core-skin composite finished product silk;
4. the fiber processing of magnetizing: gained core-skin composite finished product silk is filled under magnetic field intensity 12000 Gausses
Magnetic, the time of magnetizing is 0.1-2 minute, can obtain described far infrared magnetic fiber.
Far infrared magnetic fiber of the present invention is owing to adopted core-sheath composite structure, and functional materials far infrared powder and magnetic powder are blended in the cortex and the sandwich layer of fiber respectively, thereby the effect interference problem that caused of the material blend that can solve two kinds of different mechanisms of action better, thereby can improve the actual health-care function of far infrared magnetic fiber.Secondly, the design of the far infrared materials of fiber of the present invention is convenient to contact skin and illumination at the cortex of fiber, helps its performance health-care function; And the magnetic powder designs the sandwich layer in fiber, be convenient to magnetic and concentrate, and its content reach as high as total weight of fiber 60% (far above prior art the highest 15%), help improving magnetic field intensity, and then improve the health-care function of fiber.After measured, the far infrared emissivity of far infrared magnetic fiber of the present invention is 81-87%, and the magnetic field intensity average of fiber is 15-70 Gauss.(4) specific embodiment
A kind of far infrared magnetic fiber of the present invention's design is characterized in that this far infrared magnetic fiber has skin-core structure, and the core-skin weight ratio is 3: 7-7: 3; The cortex material of fiber comprises polymer, far infrared powder and coupling agent, and wherein polymer accounts for the 89.6-95.9% of cortex compound weight, and the far infrared powder accounts for 4-10%, and coupling agent accounts for 0.1-0.4%; The core layer material of fiber comprises polymer, magnetic and modifier, and wherein the polymer 13-59.4%, the magnetic that account for sandwich layer compound weight accounts for 40-85%, and modifier accounts for 0.6-2%.
The manufacture method of far infrared magnetic fiber of the present invention is to be undertaken by following technology:
1. make the fiber sheath layered material: after accounting for the full and uniform mixing of coupling agent of far infrared powder, 0.1-0.4% of polymer, the 4-10% of fibrocortex compound weight 89.6-95.9% respectively, under 180-270 ℃ of temperature, extrude through twin-screw, granulation obtains described fiber sheath layered material;
2. make the fibre core layered material: will account for the polymer of the 13-59.4% of compound weight, the magnetic of 40-85% respectively, the modifier of 0.6-2% is extruded through twin-screw under 180-270 ℃ of temperature, and granulation obtains gained fibre core layered material;
3. make the core-skin compound silk: with the fiber sheath layered material and the fibre core layered material of above-mentioned 1,2 step gained, by 3: 7-7: 3 core-skin weight ratio, spin out undrawn yarn with core-skin composite spinning silk machine, again with undrawn yarn under 65-95 ℃ of temperature, stretching 2-4 doubly can obtain core-skin composite finished product silk;
4. the fiber processing of magnetizing: with the processing of magnetizing of gained core-skin composite finished product silk, promptly magnetize under magnetic field intensity 12000 Gausses, the time of magnetizing is 0.1-2 minute, can obtain far infrared magnetic fiber of the present invention.
The polymer that uses in the described skin of far infrared magnetic fiber of the present invention and manufacture method thereof, the core layer material is conventional fibre-forming polymer: as polyethylene terephthalate (PET), polypropylene (PP), polyethylene (PE), polycaprolactam (PA-6), a kind of in the polybutylene terephthalate (PBT) (PBT) etc.Polypropylene and poly melt index are 30-50.
The described far infrared powder that adds in the fiber sheath layered material of far infrared magnetic fiber of the present invention and manufacture method thereof is one or more in zirconium dioxide, iron oxide, magnesia, titanium dioxide, aluminium oxide, the zinc oxide etc.The average grain diameter of far infrared powder is 0.5-1.0 μ m.
The described coupling agent that adds in the fiber sheath layered material of far infrared magnetic fiber of the present invention and manufacture method thereof is γ-glycidoxypropyltrimewasxysilane, γ monomethyl acryloxy trimethoxy silane, N-β-(amino-ethyl)-γ TSL 8330, a kind of in the γ-An Jibingjisanyiyangjiguiwan.
The described magnetic that adds in the fibre core layered material of far infrared magnetic fiber of the present invention and manufacture method thereof is a tri-iron tetroxide, one or more in strontium ferrite, barium ferrite, neodymium iron boron, the ferronickel boron.The average grain diameter of magnetic is 0.5-1.5 μ m.
The described modifier that adds in the fibre core layered material of far infrared magnetic fiber of the present invention and manufacture method thereof is isopropyl triisostearoyltitanate; three (dodecyl benzenesulfonyl) isopropyl titanate; three (two hot phosphorus acyloxy) isopropyl titanate, a kind of in the isopropyl tri(dioctylpyrophosphato)titanate.
The described core-skin weight ratio of far infrared magnetic fiber of the present invention and manufacture method thereof is 3: 7-7: 3; But the core-skin ratio is 4: 6-6: 4 is even more ideal.Cortex ratio as fiber is excessive, and then the sandwich layer ratio is just too little, and the magnetic property of fiber sandwich layer is just very low; Otherwise too small as the cortex ratio of fruit fiber, then the sandwich layer ratio is just too big, though this helps the increase of fiber magnetic property, can influence the fibre spinning performance, and practicality is bad, therefore requires core-skin layer weight ratio in described scope.
Below provide several specific embodiment of the present invention:
Embodiment 1:
Get 95.9 parts of dried polyethylene terephthalate (weight, down together), 4 parts of alumina powders, 0.1 part of γ one glycidoxypropyltrimewasxysilane after fully mixing, is extruded granulation through twin-screw under 270 ℃.Produce the fiber sheath layered material; Get 13 parts of polyethylene terephthalate, strontium ferrite magnetic powder accounts for 85 parts, and 2 parts of isopropyl triisostearoyltitanates after fully mixing, are extruded granulation through twin-screw under 265 ℃.Produce the fibre core layered material; After gained core-skin material fully dried, spin out undrawn yarn with core-skin composite spinning silk machine by 4: 6 fiber core-skin weight ratios; Again with undrawn yarn under 95 ℃ of temperature, stretch 3 times, obtain core-skin composite finished product silk; To the processing of magnetizing of composite finished product silk, magnetize under magnetic field intensity 12000 Gausses at last, the time of magnetizing is 2 minutes, can obtain described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 83% (100 ℃), and the magnetic field intensity average of fiber is 59 Gausses.
Embodiment 2:
Get 89.6 parts of the polypropylene of melt index 50,6 parts of alumina powders, 4 parts of magnesia powders, 0.4 part of γ monomethyl acryloxy trimethoxy silane after fully mixing, is extruded granulation through twin-screw under 190 ℃.Produce the fiber sheath layered material; Get 59.4 parts of polypropylene, barium ferrite magnetic powder accounts for 40 parts, and 0.6 part of three (dodecyl benzenesulfonyl) isopropyl titanate after fully mixing, is extruded granulation through twin-screw under 195 ℃.Produce the fibre core layered material; After the core-skin material fully dried, be at core-skin composite spinning silk machine to spin out undrawn yarn at 5: 5 by skin, the core ratio of fiber; Again undrawn yarn is stretched 4 times under 65 ℃ of temperature, obtain core-skin composite finished product silk; The composite finished product silk is magnetized again, magnetize under magnetic field intensity 12000 Gausses, the time of magnetizing is 0.1 minute, can obtain described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 86% (100 ℃), and the magnetic field intensity average of fiber is 16 Gausses.
Embodiment 3:
Get 93.8 parts of the polyethylene of melt index 35,2 parts of alumina powders, 2 parts of magnesia powders, 2 parts of zirconium dioxide powders, 0.2 part of N-β-(amino-ethyl)-γ TSL 8330 after fully mixing, extrudes granulation through twin-screw under 170 ℃.Produce the fiber sheath layered material; Get 49.2 parts of polyethylene, barium ferrite magnetic powder accounts for 20 parts, and NdFeB magnetic powder accounts for 30 parts, and 0.8 part of three (dodecyl benzenesulfonyl) isopropyl titanate after fully mixing, is extruded granulation through twin-screw under 170 ℃.Produce the fibre core layered material; Carry out spinning by embodiment 2 then and post processing obtains described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 87% (100 ℃), and the magnetic field intensity average of fiber is 45 Gausses.
Embodiment 4:
Get 91.7 parts of dried polycaprolactams, 3 parts of alumina powders, 3 parts of zinc oxide powders, 2 parts of ferrous oxide powders, 0.3 part of γ-An Jibingjisanyiyangjiguiwan after fully mixing, is extruded granulation through twin-screw under 250 ℃.Produce the fiber sheath layered material; Get 28.5 parts of polycaprolactams, strontium ferrite magnetic powder accounts for 30 parts, and ferroferric oxide magnetic powder accounts for 30 parts, and 1.5 parts of isopropyl tri(dioctylpyrophosphato)titanates after fully mixing, are extruded through twin-screw under 250 ℃, and granulation produces the fibre core layered material; After the core-skin material fully dried, be at core-skin composite spinning silk machine to spin out undrawn yarn at 6: 4, again undrawn yarn stretched 2 times under 90 ℃ of temperature, obtain core-skin composite finished product silk by fiber sheath, core ratio; By the processing of magnetizing of 2 pairs of composite finished product silks of embodiment, can obtain described far infrared magnetic fiber then.After measured, the far infrared emissivity of gained fiber is 86% (100 ℃), and the magnetic field intensity average of fiber is 33 Gausses.
Embodiment 5:
Get 96.65 parts of dried polybutylene terephthalate (PBT)s, 1 part of iron oxide powder, 1 part of titanium dioxide powder, 1 part of zirconia powder, 0.35 part of γ monomethyl acryloxy trimethoxy silane is after fully mixing, under 265 ℃, extrude granulation through twin-screw.Produce the fiber sheath layered material; Get 39 parts of polybutylene terephthalate (PBT)s, the ferronickel boron magnetic powder accounts for 60 parts, and 1 part of isopropyl triisostearoyltitanate after fully mixing, is extruded granulation through twin-screw under 250 ℃.Produce the fibre core layered material; Carry out spinning by embodiment 1 then and post processing can obtain described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 81% (100 ℃), and the magnetic field intensity average of fiber is 52 Gausses.Embodiment 6:
Get 94.85 parts of the polypropylene of melt index 30,3 parts of alumina powders, 1 part of zinc oxide powder, 1 part of magnesia powder, 0.15 part of γ-An Jibingjisanyiyangjiguiwan after fully mixing, is extruded granulation through twin-screw under 190 ℃.Produce the fiber sheath layered material; Get 28.4 parts of polypropylene, strontium ferrite magnetic powder accounts for 70 parts, and 1.6 parts of isopropyl tri(dioctylpyrophosphato)titanates after fully mixing, are extruded granulation through twin-screw under 195 ℃.Produce the fibre core layered material; Carry out spinning by embodiment 2 then and post processing can obtain described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 85% (100 ℃), and the magnetic field intensity of fiber is 35 Gausses.
Embodiment 7:
93.8 parts of polycaprolactams, 2 parts of alumina powders, 1 part of zinc oxide powder, 1 part of magnesia powder, 2 parts of zirconia powders, 0.2 part of N-β-(amino-ethyl)-γ TSL 8330 after fully mixing, extrudes granulation through twin-screw under 250 ℃.Produce the fiber sheath layered material; Get 24 parts of polycaprolactams, NdFeB magnetic powder accounts for 75 parts, and 1.0 parts of three (dodecyl benzenesulfonyl) isopropyl titanates after fully mixing, are extruded granulation through twin-screw under 250 ℃.Produce the fibre core layered material; Carry out spinning by embodiment 2 then and post processing can obtain described far infrared magnetic fiber.After measured, the far infrared emissivity of gained fiber is 86% (100 ℃), and the magnetic field intensity average of fiber is 72 Gausses.
Claims (5)
1. a far infrared magnetic fiber is characterized in that this far infrared magnetic fiber has skin-core structure, and the core-skin weight ratio is 3: 7-7: 3; The cortex material of fiber comprises polymer, far infrared powder and coupling agent, and wherein polymer accounts for the 89.6-95.9% of cortex compound weight, and the far infrared powder accounts for 4-10%, and coupling agent accounts for 0.1-0.4%; The core layer material of fiber comprises polymer, magnetic and modifier, and wherein the polymer 13-59.4%, the magnetic that account for sandwich layer compound weight accounts for 40-85%, and modifier accounts for 0.6-2%.
2. according to the manufacture method of the described far infrared magnetic fiber of claim 1, it is characterized in that it being that this method is undertaken by following technology:
(1) makes the fiber sheath layered material: even by described ratio of polymer, far infrared powder and coupling agent
After the mixing, under 180-270 ℃ of temperature, extrude through twin-screw, granulation obtains described fibre
The dimension cortex material;
(2) make the fibre core layered material: evenly mix by described ratio of polymer, magnetic and modifier
After, under 180-270 ℃ of temperature, to extrude through twin-screw, granulation obtains described fibre core
Layered material;
(3) make the core-skin compound silk: with the fiber sheath layered material and the fiber of above-mentioned (1), (2) step gained
Core layer material by described core-skin weight ratio, spins out undrawn yarn with core-skin composite spinning silk machine;
Again with undrawn yarn under 65-95 ℃ of temperature, stretching 2-4 doubly obtains the core-skin composite finished product
Silk;
(4) the fiber processing of magnetizing: gained core-skin composite finished product silk is filled under magnetic field intensity 12000 Gausses
Magnetic, the time of magnetizing is 0.1-2 minute, can obtain described far infrared magnetic fiber.
3. according to claim 1 or 2 described far infrared magnetic fibers, it is characterized in that the described core-skin weight ratio of this far infrared magnetic fiber is 4: 6-6: 4.
4. according to claim 1 or 2 described far infrared magnetic fibers, the far infrared emissivity that it is characterized in that this far infrared magnetic fiber is 81-87%, and the magnetic field intensity average is 15-70 Gauss.
5. according to the described far infrared magnetic fiber of claim 3, the far infrared emissivity that it is characterized in that this far infrared magnetic fiber is 81-87%, and the magnetic field intensity average is 15-70 Gauss.
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