A heat-resistant communication cable
A communication cable, heat-resistant technology, applied in the direction of communication cables, insulated cables, cables, etc., can solve the problems of insufficient heat resistance of the sheath layer, cable breakage, deformation, and affecting signal transmission, etc., to improve communication stability, Effect of shielding electromagnetic interference, improving heat dissipation and shielding performance
Active Publication Date: 2019-02-15
晶锋集团(天长)高分子材料有限公司
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AI Technical Summary
Problems solved by technology
[0004] The pulling of the existing communication cables during installation and use will cause the cables to break and deform, affecting signal transmission
The heat resistance of the sheath layer is not good enough, it will be deformed in a high temperature environment, the performance is not good, and it may even cause a safety hazard, which needs to be improved
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] A heat-resistant communication cable, comprising a wire core group, the wire core group is surrounded by a flame-retardant layer, a shielding layer, a high-temperature-resistant layer, and a sheath layer; the preparation method of the sheath layer is as follows:
[0021] (1) Melt and blend PVC and nano-zinc oxide fibers on an internal mixer to obtain a composite material, and use a flat vulcanizer to hot-press it into a nano-zinc oxide fiber PVC composite film with a thickness of 280 μm, and the weight percentage content of nano-zinc oxide fibers is 4.3 %;
[0022] (2) Hot-press PVC with a flat vulcanizing machine into a film with a thickness of 290 μm;
[0023] (3) Take two layers of PVC films, and then place the nano-zinc oxide fiber PVC composite film between the PVC films, heat-press to form a film, and wrap it on the outside of the high-temperature resistant layer to obtain the sheath layer.
[0024] The preparation method of the high temperature resistant layer i...
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Abstract
The invention provides a heat-resistant communication cable comprising a wire core group. The wire core group is provided with a flame-retardant layer, a shielding layer, a high-temperature-resistant layer and a sheath layer which wrap to the outside in turn. According to the communication cable, the nano-zinc oxide fibers are used as an intermediate layer so that electromagnetic interference can be shielded, and the heat resistance, the wearing resistance and the tensile strength of the cable can be enhanced. As for the high-temperature-resistant layer of the cable, boron nitride is used as the intermediate layer to be interacted with the nano-zinc oxide fiber layer of the sheath layer so that the heat radiation and the shielding performance of the cable can be enhanced. More preferably, the carbon fiber layer is additionally arranged between the high-temperature-resistant layer and the sheath layer so that the tensile strength of the cable can be greatly enhanced without fracturing in the complex threading process and the communication stability of the cable can be enhanced.
Description
technical field [0001] The invention relates to the technical field of cables, in particular to a heat-resistant communication cable. Background technique [0002] A communications cable is a device connection that utilizes scalability to work. Usually used to control the electrical connection of the movement of movable equipment, it can spring back quickly in a short time, and is widely used in movable equipment such as automobiles, machines, and instruments. With the rapid development of electronic communication technology, the requirements for various communication cables are getting higher and higher. Not only does it require communication cables to have certain high elasticity, high wear resistance and softness, but it should also have certain lightness. type and anti-interference. [0003] PVC is widely used in wire and cable, and its technology is very mature. It also accounts for a large proportion in wire and cable materials. The application of optical cable mate...
Claims
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IPC IPC(8): H01B11/00H01B7/17H01B7/18H01B7/29H01B7/295H01B7/42
CPCH01B7/17H01B7/18H01B7/29H01B7/295H01B7/42H01B11/00Y02A30/00
Inventor 许德俊
Owner 晶锋集团(天长)高分子材料有限公司