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Flame-resistant cable sheath material
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A technology of flame retardant cable and sheath material, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of highly toxic phosphine gas, red phosphorus dust easy to explode, restrict the application of red phosphorus-containing cable materials, etc., and achieve excellent Flame retardant effect, the effect of broad application prospects
Inactive Publication Date: 2017-01-04
孙宽林
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Problems solved by technology
Although red phosphorus is one of the most commonly used synergistic flame retardants for hydrated hydroxides, red phosphorus is easily oxidized to produce highly toxic phosphine gas and red phosphorus dust. The application of red phosphorus-containing cable materials
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Embodiment 1
[0039] A flame-retardant cable sheathing material, the composition and the weight percentage of each composition are as follows:
[0040] Ultra-high molecular weight polyethylene 70-80 parts
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Abstract
The invention discloses a flame-resistant cable sheath material, and belongs to the technical field of cable manufacturing. The flame-resistant cable sheath material is prepared from, by weight, 70 to 80 parts of ultra high molecular weight polyethylene, 10 to 30 parts of chlorinated polyethylene, 20 to 30 parts of polyethylene, 10 to 30 parts of ethylene / vinyl acetatecopolymer, 10 to 15 parts of nylon, 30 to 50 parts of a flame retardant, 1 to 10 parts of a synergistic flame retardant, 6.5 to 19.5 parts of a compatilizer, 0.2 to 2 parts of a heat stabilizer, 0.3 to 1 part of a processing agent, 1 to 3 parts of an anti-aging agent, and 2 to 4 parts of an accelerant. The flame-resistant cable sheath material is high in tearing strength, low in hardness, wide in application range, and simple in formula, and is soft.
Description
technical field [0001] The invention relates to a cable material, in particular to a flame-retardant cable sheath material, which belongs to the technical field of cable manufacturing. Background technique [0002] With the strengthening of people's awareness of environmental protection and the promulgation of environmental protection regulations, the flame retardant technology of polymer materials with high temperature and low smoke characteristics will gradually replace the halogen flame retardant technology. For a long time, the amount of polyvinyl chloride (PVC) in wire and cable materials has accounted for nearly 80%. Because PVC cable materials contain harmful heavy metals such as lead, tin, and barium, and PVC will produce toxic and corrosive gases such as hydrogenchloride and violent smoke during the combustion process, it is easy to cause a large number of casualties and precision instruments in a fire. damage. Therefore, developed countries such as Europe and Ja...
Claims
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Application Information
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