Ceramic silicone rubber composite insulated cable material
A ceramic silicone rubber and composite insulation technology, which is applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of inability to perform insulation functions, poor tensile and impact resistance, and unstable structures, etc., to achieve Avoid cracking or density reduction, improve tensile and impact resistance, and reduce energy consumption
Inactive Publication Date: 2020-01-21
JIANGSU HENGTONG POWER CABLE
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Problems solved by technology
However, there are many defects in the use of ceramic cables at present. Higher temperature is required to form a ceramic structure, and the structure is unstable, with poor tensile and impact resistance, and cannot perform a good insulation function.
Method used
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Embodiment 1~4
[0029] Embodiments 1-4: A ceramic silicon rubber composite insulating cable material, the ceramic silicon rubber composite insulating cable material is composed of the following components by weight, as shown in Table 1:
[0030] Table 1
[0031]
[0032] The average molecular weight of the above-mentioned methyl vinyl silicone rubber is 600,000-800,000;
[0033] The specific surface area of the above-mentioned fumed silica is 200~400m 2 / g;
[0034] The particle size of the above-mentioned aluminum hydroxide is 5000~8000 mesh;
[0035] The vinyl mole percentage of the above-mentioned methyl vinyl silicone rubber is 0.05%~0.25%;
[0036] A preparation method for the above ceramic silicon rubber composite insulating cable material, comprising the following steps:
[0037] Step 1, weighing each component by weight;
[0038] Step 2: Add 1 to 5 parts of isopropyl titanate to 12 to 15 parts of glass powder, 6 to 10 parts of boron nitride, 10 to 15 parts of magnesium oxide...
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Abstract
The invention discloses a ceramic silicone rubber composite insulated cable material which is prepared from the following components in parts by weight: methyl vinyl silicone rubber, 15-25 parts of ethylene-methacrylic acid copolymer, 5-10 parts of diphenyl silanediol, 12-15 parts of glass powder, 6-10 parts of boron nitride, 10-15 parts of magnesium oxide, 1-5 parts of fumed silica, 1-5 parts ofisopropyl titanate, dicumyl peroxide, methylphenyldiethoxysilane, 0.5-1 parts of 1,3-dimethyl-6-aminouracil, 0.5-1 part of fumed silica, 0.5-1 part of lithium chinastone powder and 1-2 parts of beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid pentaerythritol ester. The material is good in tensile resistance and impact resistance, the ceramic shell is uniform and compact in structure, not prone to cracking and good in insulating property, the reliability in actual application is improved, and the service life is prolonged.
Description
technical field [0001] The invention relates to the technical field of silicon rubber composite materials, in particular to a ceramic silicon rubber composite insulating cable material. Background technique [0002] Silicone rubber has low density, high insulation properties, excellent mechanical properties and ablation resistance. With silicone rubber as the matrix, ceramic fillers and sintering aids can be used to prepare ceramic silicone rubber composites for molding or extrusion. The material can be sintered into a ceramic body under a high-temperature furnace or a flame, and has various excellent properties of a silicone rubber composite material at room temperature. When encountering high temperature or flame ablation, a hard ceramic layer can be formed on the surface of the composite material, effectively isolating the inside of the material from the outside world. The ceramizable silicone rubber fire-resistant cable prepared by using ceramizable silicone rubber has ...
Claims
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IPC IPC(8): C08L83/07C08L23/08C08K13/02C08K3/40C08K3/38C08K3/22C08K3/36C08K5/10C08K5/14C08K5/5419C08K5/134H01B3/46
CPCC08K2003/222C08K2003/385C08L83/04C08L2203/202H01B3/46C08L23/0869C08K13/02C08K3/40C08K3/38C08K3/22C08K3/36C08K5/10C08K5/14C08K5/5419C08K5/1345
Inventor 刘亚欣郭卫红俞国良刘海峰管新元
Owner JIANGSU HENGTONG POWER CABLE