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Macromolecular/ metal composite conductor and manufacture method thereof

A composite wire and metal composite technology, which is applied in filament/wire forming, conjugated synthetic polymer artificial filament, textiles and papermaking, etc. Problems such as difficulties in the silk process, to achieve good spinnability, excellent electrical conductivity, and improved electrical conductivity

Active Publication Date: 2011-04-20
CHINESE TEXTILE ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] There are also melt spinning methods for the manufacture of metal fibers. Melt spinning is to directly produce metal fibers from molten metal. The basic principle of extrusion is the same as that of organic fiber and glass fiber, but the molten metal has high surface tension and low viscosity, and the extruded metal streamline is easy to form droplets, so the spinning process is more difficult

Method used

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  • Macromolecular/ metal composite conductor and manufacture method thereof
  • Macromolecular/ metal composite conductor and manufacture method thereof
  • Macromolecular/ metal composite conductor and manufacture method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] In this embodiment, the skin layer is polyethylene terephthalate PET (melting point 256°C), the core layer is tin-bismuth metal alloy (melting point 150-180°C), and the weight ratio of the skin layer / core layer is 87:13.

[0052] According to the above-mentioned raw materials and weight ratio of the skin and core components, they are processed into melts through a screw extruder and an electric heating furnace, and then transported to the extrusion die through their respective melt pipelines. The melts enter the same composite extrusion die, and pass through their respective melt flow channels without contacting each other before entering the lower die plate. The cross-section of the fibers is realized by the design of the extrusion micropores.

[0053] The distribution plate is located above the lower template, and the distribution pins correspond to the extrusion micro-holes of the lower template. The melt of the core component flows into the through hole of the lower...

Embodiment 2

[0056] see figure 2 . On the basis of Embodiment 1, the difference of this embodiment is that the cross section of the fiber is trilobal. Composite wire fineness 21μm, tensile strength 750MPa, elongation 7.8%, specific resistance value 1.0×10 -3 Ω·cm.

Embodiment 3

[0058] On the basis of Example 1, the difference of this example is: the skin / core weight composite ratio is 75:25. The fineness of the composite wire is 17μm, the tensile strength is 820MPa, the elongation is 7.2%, and the specific resistance value is 8×10 -4 Ω·cm.

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Abstract

The invention relates to a macromolecular / metal (metal alloy) composite conductor and a manufacture method thereof. The composite conductor is provided with a skin layer and a core layer, wherein the skin layer is thermoplasticity macromolecular polymer (A), the core layer is a metal alloy (B) with lowi melting point, and the cross section of fiber can be round or irregular. The manufacture method is a complex extrusion method and comprises the steps of preparing a fusant, extruding and postprocessing, wherein a complex extrusion die head is adopted. The composite conductor of the invention has excellent electric conductivity, and the volume specific resistance is 1.0*10<-6>-1.0*100 omega cm. Therefore, the composite conductor can satisfy the requirement on clothes conductors by the clothes industry and can be applied for detective textiles, such as special uniforms, textile soft keyboards, intelligent clothes, intelligent bandages and the like. Because the composite structure of the skin layer and the core layer is adopted, the composite conductor of the invention has excellence in clothes production, has soft handfeel, and can satisfy requirements on color and comfort level by clothes textile in addition to satisfying electric conductivity requirements, and meanwhile, product cost is greatly lowered.

Description

technical field [0001] The invention relates to a composite wire, in particular to a polymer / metal composite wire and a preparation method for the composite wire. Background technique [0002] With the development of science and technology, the development of aerospace, medical and other fields have created higher requirements for the conductivity of clothing fibers, so more and more researches have been done on the development of conductive fibers. At present, only metal-based conductive fibers have the conductivity close to that of pure metals. They are the fibers with the best conductivity. They can be used as wires and applied to conductive fabrics and smart clothing. However, metal-based conductive fibers also have disadvantages that cannot be ignored, such as poor hand feeling, difficulty in cohesion, and inability to homogenize the blending of fibers. [0003] Metal-based conductive fibers are made by utilizing the conductive properties of metals. The main method is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/34D01D5/088D01D10/02D01F8/04D01F8/18
Inventor 崔华帅吴鹏飞李杰崔宁史贤宁黄庆
Owner CHINESE TEXTILE ACAD
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