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Outdoor wearing-resistant cable
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Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A field and cable technology, applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of undisclosed cable sheath wear resistance, complex manufacturing process, etc.
Inactive Publication Date: 2018-03-20
WUHU HANGTIAN SPECIAL CABLE FACTORY
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[0004] The preparation of the cable sheath will directly affect the quality of the wear resistance of the cable; but most of the existing technologies, such as CN104086716A, CN201510285569.1X and CN201410295816.1, only record the obtained The cable sheath has excellent high temperature resistance and high mechanical strength, etc., and the manufacturing process is complicated, and it does not disclose how to improve the wear resistance of the cable sheath
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preparation example Construction
[0032] In the preparation process of the sheath filler, the amount of each component can be selected in a wide range, but in order to improve the wear resistance of the prepared sheath, preferably, in parts by weight, the nanometer dioxide The dosage ratio of silicon, ceramic fiber, carbon fiber, asbestos fiber, attapulgite, diatomaceous earth, expanded vermiculite, diallyl phthalate and KH560 silanecoupling agent is 100:5-10:1 -5:3-8:5-8:5-15:10-15:6-9:3.5-6.5.
[0033] In the above technical solution, the conditions of the heat treatment can be selected in a wide range, but in order to improve the efficiency of the heat treatment, preferably, the conditions of the heat treatment are: the temperature is 130-180°C, and the time is 2-4h.
[0034] Also, the average particle size of the prepared sheath filler can be adjusted in a wide range, but in order to further improve the synergistic effect between the prepared sheath filler and other components, preferably, the average par...
preparation example 1
[0038] The nano-silica, ceramic fiber, carbon fiber, asbestos fiber, attapulgite, diatomite and expanded vermiculite, diallyl phthalate and silanecoupling agent with brand name KH560 are 100:5 by weight. : 1: 3: 5: 5: 10: 6: 3.5 for mixing, heat treatment at 130°C for 4 hours, drying and grinding to obtain the sheath filler with an average particle size of 10 μm, denoted as W1.
preparation example 2
[0040] The nano-silica, ceramic fiber, carbon fiber, asbestos fiber, attapulgite, diatomaceous earth, expanded vermiculite, diallyl phthalate and the silanecoupling agent with the grade of KH560 are 100:8 by weight. :3:5:6:10:12:8:5.5.
[0041] Mixing, heat treatment at 150° C. for 3 h, drying and grinding to obtain the sheath filler with an average particle size of 20 μm, which is denoted as W2.
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Abstract
The invention discloses an outdoor wearing-resistant cable which comprises a cable core and a cable sheath, wherein the cable core is wrapped by the cable sheath; the cable sheath is prepared by the following steps: mixing an ethylene-vinyl acetatecopolymer, butadiene rubber, a sheath filler and a solvent so as to obtain a mixture M1; performing glue melting on the mixture M1, turpentine, a vulcanization accelerator PDM (Phenylene Dimaleimide), acetic ether, acrylate, t-butyl perbenzoate and citrate so as to obtain a mixture M2; and performing extrusionpelletizing on the mixture M2 by usingan extruder, and performing processing, thereby obtaining the outdoor wearing-resistant cable, wherein the step of mixing comprises primary mixing and secondary mixing, the temperature of the secondary mixing is 50-70 DEG C higher than that of the first mixing, and the sheath filler is prepared from nano silicon dioxide, a ceramicfiber, a carbon fiber, an asbestosfiber, attapulgite, kieselguhr and expanded vermiculite.
Description
technical field [0001] The invention relates to the field of cable manufacturing, in particular to a wear-resistant cable for field use. Background technique [0002] Generally speaking, a cable is a wire that is made of one or more mutually insulated conductors and an outer insulating protective layer to transmit power or information from one place to another. With the rapid development of economy, more and more places need cables to transmit power or other information, so there are stricter requirements for the manufacture of cables. The outer sheath of the cable is an indispensable structural part of the cable, which plays the role of protecting the cable, ensuring the safety of the cable's power supply, and isolating the cable core from water, air and other media to avoid leakage. [0003] With the advancement of science and technology, cables have been widely used in production and operations in all walks of life. Different operating environments also have different r...
Claims
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