Far infrared magnetic fiber and its production process

A magnetic fiber and far-infrared technology, applied in fiber processing, rayon manufacturing, fiber chemical characteristics, etc., can solve the problems affecting the magnetic properties of fiber health care, and achieve the effects of improving health care, facilitating magnetic concentration, and increasing magnetic field strength

Inactive Publication Date: 2003-01-01
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the far-infrared magnetic fiber of the present invention intends to solve the problem that the magnetic particles with different functions are mixed with the far-infrared particle powder in the prior art and affect the health care of the fiber, especially the magnetic properties. Fibers with combined functions of emitting far-infrared rays and magnetic lines of force and its manufacturing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0017] A kind of far-infrared magnetic fiber designed by the present invention is characterized in that the far-infrared magnetic fiber has a skin-core structure, and the skin-core weight ratio is 3: 7-7: 3; the skin material of the fiber includes polymer, far-infrared powder and Coupling agent, wherein the polymer accounts for 89.6-95.9% of the weight of the skin layer mixture, the far-infrared powder accounts for 4-10%, and the coupling agent accounts for 0.1-0.4%; the core material of the fiber includes polymer, magnetic powder and modified agent, wherein the polymer accounts for 13-59.4% of the weight of the core layer compound, the magnetic powder accounts for 40-85%, and the modifier accounts for 0.6-2%.

[0018] The manufacture method of far-infrared magnetic fiber of the present invention is to carry out by following process:

[0019] 1. Manufacture of fiber cortex material: After fully and uniformly mixing the polymers, 4-10% far-infrared powder and 0.1-0.4% coupling ...

Embodiment 1

[0031] Get 95.9 parts of polyethylene terephthalate after drying (weight, the same below), 4 parts of alumina powder, 0.1 part of γ-glycidoxypropyl trimethoxysilane, after fully mixing, in Extruded by twin-screw at 270°C, granulated. Fabricate the fiber cortex material; take 13 parts of polyethylene terephthalate, 85 parts of strontium ferrite magnetic powder, and 2 parts of isopropyl triisostearyl titanate. Through twin-screw extrusion, granulation. The fiber core layer material is produced; after the obtained sheath-core material is fully dried, the winding yarn is spun with a skin-core composite spinning machine according to a fiber skin-core weight ratio of 4:6; then the winding yarn is heated at a temperature of 95°C Stretching 3 times to obtain the skin-core composite finished silk; finally, magnetizing the composite finished silk at a magnetic field strength of 12000 Gauss for 2 minutes to obtain the far-infrared magnetic fiber. It is determined that the far-infrared ...

Embodiment 2

[0033] Take 89.6 parts of polypropylene with a melt index of 50, 6 parts of alumina powder, 4 parts of magnesium oxide powder, and 0.4 part of γ-methacryloxytrimethoxysilane. Twin-screw extrusion, granulation. Manufacture the fiber cortex material; Take 59.4 parts of polypropylene, 40 parts of barium ferrite magnetic powder, 0.6 part of isopropyl tris(dodecylbenzenesulfonyl) titanate, after thorough mixing, double Screw extrusion, granulation. The fiber core layer material is produced; after the sheath-core material is fully dried, the coiled yarn is spun on a skin-core composite spinning machine according to the fiber skin-to-core ratio of 5:5; then the coiled yarn is heated at a temperature of 65°C Draw down 4 times to obtain the skin-core composite finished yarn; then magnetize the composite finished yarn at a magnetic field strength of 12000 gauss for 0.1 minute to obtain the far-infrared magnetic fiber. It is determined that the far-infrared emissivity of the obtained f...

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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 [0001] The invention relates to a functional chemical fiber and a manufacturing method thereof, in particular to a far-infrared magnetic fiber and a manufacturing method thereof. Its IPC main classification number is proposed to be Int.Cl 7 D01F 10 / 00. (2) Background technology [0002] Both far-infrared fibers and magnetic fibers are functional fibers that have a certain health care effect on the human body. A lot of researches have been done at home and abroad. For far-infrared fibers, many patent documents have been reported. For example, Japanese Patent Laid-Open No. 1-24837 introduces the method of adding far-infrared powder in polymers to prepare far-infrared fibers; The technology of adding far-infrared ceramic powder to make far-infrared health-care synthetic fibers; Chinese patent CN 1095118 also discloses a preparation method of far-infrared ceramic chemical fibers. There are also many patent literature reports on magnetic fibers. For examp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D1/02D01D5/34D01F1/10
Inventor 齐鲁叶建忠李和玉邹建柱
Owner CHINA PETROLEUM & CHEM CORP
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