Fire-retardant insulating polyvinyl chloride material and electrical sleeve
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A polyvinyl chloride, flame retardant masterbatch technology, applied in insulators, electrical components and other directions, to meet the needs of insulation and flame retardant, excellent flame retardant performance and insulation performance
Inactive Publication Date: 2011-06-15
KANGTAI PLASTIC SCI & TECH GRP
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Abstract
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At this stage, the ingredients of flame retardants are mostly halogen-based, phosph
Method used
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Embodiment 1
[0057] Ingredient parts by weight
[0058] 120 parts of polyvinyl chloride;
[0059] 60 parts of flame retardant masterbatch;
[0060] 5 parts of chlorinated polyethylene;
[0061] 0.5 part of calcium zinc stabilizer;
[0062] 0.5 parts of polyethylene wax;
[0063] 1 part paraffin;
[0064] ACR401 2 copies;
[0065] 20 copies of MBS;
[0066] 10 parts of calcium carbonate;
[0067] 2.5 parts of rutile titanium dioxide.
Embodiment 2
[0069] Ingredient parts by weight
[0070] 150 parts of polyvinyl chloride;
[0071] 50 parts of flame retardant masterbatch;
[0072] 3 parts of chlorinated polyethylene;
[0073] 0.2 part of calcium zinc stabilizer;
[0074] 0.3 parts of polyethylene wax;
[0075] 0.5 parts of paraffin;
[0076] ACR401 1 copy;
[0077] 15 copies of MBS;
[0078] 10 parts of calcium carbonate;
[0079] 2 parts of rutile titanium dioxide.
Embodiment 3
[0081] Ingredient parts by weight
[0082] 100 parts of polyvinyl chloride;
[0083] 20 parts of flame retardant masterbatch;
[0084] 2 parts of chlorinated polyethylene;
[0085] 0.2 part of calcium zinc stabilizer;
[0086] 0.3 parts of polyethylene wax;
[0087] 0.5 parts of paraffin;
[0088] ACR401 1 copy;
[0089] 10 copies of MBS;
[0090] 8 parts of calcium carbonate;
[0091] 1.8 parts of rutile titanium dioxide.
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Abstract
The invention discloses a fire-retardant insulating polyvinyl chloride material and an electrical sleeve made from the material. The fire-retardant insulating polyvinyl chloride material comprises the following raw materials in part by weight: 100 to 150 parts of polyvinyl chloride, 0.2 to 5 parts of heat stabilizer, 5 to 20 parts of compatibilizer, 20 to 60 parts of fire retardant master batch, 0.3 to 1 part of lubricant, 1 to 3 parts of titanium white powder, 10 to 20 parts of impact modifier, 2 to 4 parts of processing aid and 5 to 20 parts of calcium carbonate. The fire-retardant insulating polyvinyl chloride material provided by the invention has excellent flame retardant property and insulating property; the oxygen index can be over 33.4; the test is up to V-0 level according to the measurement standard of GB/T2048-2008 plastic combustibility; and the resistivity can be up to 1.1*1,011 Omega.m. Therefore, the material can meet the requirement on insulation and fire retardance of a low-voltage wire cable.
Description
technical field [0001] The invention relates to a flame-retardant insulating material, in particular to a flame-retardant insulating polyvinyl chloride material. In addition, the present invention also relates to a bushing, especially an electrical bushing. Background technique [0002] Polyvinyl chloride plastic has good physical, mechanical and electrical properties, and is suitable for insulation and sheathing materials for low-voltage wires and cables. In special occasions, there will be higher flame retardant requirements for wires and cables. The oxygen index is used to evaluate the flame retardant performance of materials. The higher the oxygen index, the better the flame retardant performance. [0003] Polymer materials are mostly composed of carbon, hydrogen, oxygen and other elements, so they are flammable and combustible materials, and even produce a lot of smoke and toxic gases when burning, causing great harm to the environment and a huge threat to people's lif...
Claims
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Application Information
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