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Anti-aging agent for cable insulation layer and preparation method thereof
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An anti-aging agent and cable insulation technology, applied in the field of anti-aging agent, can solve the problems of easy aging of rubber insulating layer and affecting the service life of cables
Inactive Publication Date: 2018-11-09
WUHU HANGTIAN SPECIAL CABLE FACTORY
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Summary
Abstract
Description
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Problems solved by technology
[0003] Although the existing insulation layer can meet the existing needs, the rubber insulation layer is often prone to aging, which in turn affects the service life of the cable
Method used
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preparation example Construction
[0012] The invention provides a preparation method for an anti-aging agent for cable insulation layers, comprising:
[0014] 2) The mixed solution, tetrabutyl titanate, bismuth salt and water are subjected to solvothermal reaction, and then filtered and calcined to obtain an anti-aging agent for the cable insulation layer.
[0015] In step 1) of the present invention, the consumption of each material can be selected in a wide range, but in order to further improve the antiaging effect of this antiaging agent, preferably, in step 1), expanded vermiculite, 3-ammonia The weight ratio of propyltriethoxysilane, chitosan and ethanol is 60:3-9:15-20:200-400.
[0016] In step 1) of the present invention, mixing conditions can be selected in a wide range, but in order to further improve the antiaging effect of the antiaging agent, preferably, in step 1), mixing meet...
Embodiment 1
[0024] 1) Mix expanded vermiculite, 3-aminopropyltriethoxysilane, chitosan and ethanol according to the weight ratio of 60:7:17:300 (mixing temperature is 50°C, mixing time is 50min) mixture;
[0025] 2) The mixed solution, tetrabutyl titanate (aluminum chloride), bismuth salt (bismuth chloride) and water are subjected to solvothermal reaction in a weight ratio of 100:18:1:130 (reaction temperature is 170°C, reaction time 8h), then filtered and calcined (the calcining temperature is 390°C, and the calcining time is 7h) to prepare anti-aging agent A1 for the cable insulation layer.
Embodiment 2
[0027] 1) Mix expanded vermiculite, 3-aminopropyltriethoxysilane, chitosan and ethanol according to the weight ratio of 60:3:15:200 (the mixing temperature is 40°C, and the mixing time is 60min). mixture;
[0028] 2) The mixed solution, tetrabutyl titanate (aluminum sulfate), bismuth salt (bismuth sulfate) and water were subjected to solvothermal reaction according to the weight ratio of 100:15:0.8:100 (the reaction temperature was 160°C, and the reaction time was 10h ), then filtered and calcined (the calcining temperature is 380° C., and the calcining time is 8 h) to prepare anti-aging agent A2 for the cable insulation layer.
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Abstract
The invention discloses an anti-aging agent for a cable insulation layer and a preparation method thereof. The preparation method comprises the following steps: 1) mixing expanded vermiculite, 3-aminopropyltriethoxysilane, chitosan and ethanol to prepare a mixed solution; and 2) performing solvothermal reaction of the mixed solution, tetrabutyl titanate, bismuth salt and water, and then performingfiltration and calcination to obtain the anti-aging agent for the cable insulation layer. The anti-aging agent can allow the cable insulation layer to have excellent aging resistance, and the preparation method has the advantages of simple process and easy availability of the raw materials.
Description
technical field [0001] The invention relates to an antiaging agent, in particular to an antiaging agent used for cable insulation layers and a preparation method thereof. Background technique [0002] The cable is mainly composed of the following four parts. Conductive wire core: made of high conductivity material (copper or aluminum). According to the requirements of cable softness under laying conditions, each wire core may be twisted by a single wire or multiple wires; insulation layer: the insulation material used for cables should have high insulation resistance and high breakdown electric field strength, low dielectric loss and low dielectric constant. Sealing sheath: protect the insulated wire core from mechanical damage, moisture, moisture, chemicals, light, etc. For moisture-prone insulation, lead or aluminum extruded sealing sheaths are generally used; protective covering: used to protect the sealing sheath from mechanical damage. [0003] Although the existing...
Claims
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Application Information
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