Anti-flaming anti-static nano polythene composite material
A technology of flame retardant, antistatic and composite materials, applied in other chemical processes, chemical instruments and methods, etc., to achieve excellent mechanical properties and good comprehensive properties
Inactive Publication Date: 2008-08-06
成都正光纳米科技有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of existing pipe materials in mines, and provide a method for modifying polyethylene by surface treatment of nano-scale conductive powder and synergistic flame retardant mainly composed of nano-layered silicate. , made of nano-polyethylene composite material with flame retardant and antistatic functions, used to prepare flame retardant and antistatic plastic pipes for mines
Method used
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Experimental program
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Embodiment Construction
[0015] Below in conjunction with embodiment the present invention is described further: at first get the silane coupling agent KH-550 of the conductive carbon black of 18kg nanoscale and 0.09kg and adopt Venturi tube jet inhalation mixing mode to complete the 18kg nanoscale conductive carbon black Spray activated surface treatment, and use the surface-treated conductive carbon black for use; secondly, take 3kg of organic montmorillonite, 1.5kg of antimony trioxide, and 25.5kg of aluminum hydroxide to make a composite synergistic flame-retardant compound with a weight of 30kg. 30kg composite synergistic flame retardant, 18kg surface-treated conductive carbon black, and 12kg high-density bimodal polyethylene are mixed together to strengthen the pre-dispersion and make 60kg nano-conductive masterbatch. ; Finally, 10kg of ethylene-propylene rubber, 60kg of the above-mentioned prepared nano-conductive masterbatch and 100kg of high-density bimodal polyethylene are mixed evenly and th...
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Abstract
The invention discloses a new fire retardant anti-static nanometer polyethylene composite material, which is a new fire retardant anti-static material, with wide application for producing the tubes in mine for ventilation, pumping water, patching and discharging gas. The preparation method comprises mixing organic montmorillonite, antimony oxide and aluminum hydroxide to prepare composite synergy fire retardant to be mixed with high-density bimodal polyethylene and nanometer conductive powder to be reinforcing pre-dispersed to prepare nanometer conductive master batch, mixing the nanometer conductive master batch, high-density bimodal polyethylene and toughening agent to be fed into a pelleting machine to prepare the fire retardant anti-static nanometer polyethylene composite material. The fire retardant anti-static nanometer polyethylene composite material can improve the performance of polyethylene and provide fire retardant and anti-static functions, thus is suitable for producing the tubes in mine.
Description
Technical field [0001] The invention belongs to the technical field of chemical industry and relates to a flame-retardant and antistatic nano-polyethylene composite material. It is especially suitable for the manufacture of transmission pipes for ventilation, water pumping, spraying and gas discharge in mines. Background technique [0002] In coal production and mining operations, ventilation, pumping, spraying, and gas discharge during drilling and mining are all done through pipeline transmission. For a long time, most of the pipes used in mines are steel pipes, which have poor corrosion resistance and are prone to safety hazards due to sparks generated by impact. Some also use glass steel pipes, but their impact resistance is too poor, and air leakage is prone to occur. Facing the serious situation of safety production in mines, it is undoubtedly necessary and urgent to adopt new materials, carry out technological transformation, add safety technical measures, and impro...
Claims
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IPC IPC(8): C08L23/06C08K7/06C09K3/16C08L23/16C08K3/04C08K3/22
Inventor 莫敬源刘忠仁吴廷禄薛合伦刘自立白海赖中元
Owner 成都正光纳米科技有限公司