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Halogen-free flame-retardant cable material

A technology of flame retardant cable materials and raw materials, applied in circuits, electrical components, plastic/resin/wax insulators, etc. The effect of improving elongation at break, reducing resource waste and environmental pollution, and facilitating recycling

Inactive Publication Date: 2019-12-03
天长市格瑞电缆材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to improve the flame retardancy of the existing cable materials, aluminum hydroxide is added to the raw materials. Since the surface of aluminum hydroxide has a large number of hydrophilic groups, it is extremely difficult to integrate well with non-polar materials, and there is an obvious Due to the difference in the interface, it cannot be uniformly dispersed in the polymer matrix, and it is easy to agglomerate, which limits its application range and affects the mechanical properties of cable materials.

Method used

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  • Halogen-free flame-retardant cable material

Examples

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Comparison scheme
Effect test

Embodiment 1

[0024] A method for polyvinyl chloride cold-resistant high flame-retardant cable material, comprising the following steps:

[0025] Step 1, weighing each component raw material according to parts by weight;

[0026] Step 2, polyvinyl chloride resin 100Kg, epoxy soybean oil 4Kg, polyethylene wax 0.3Kg, diisononyl phthalate 15Kg, dioctyl terephthalate 20Kg, calcium zinc composite stabilizer 4Kg, plant ash 3Kg , 2Kg of zinc oxide and 0.5Kg of hydroxy silicone oil are added in the internal mixer and carried out banburying, and the masterbatch is obtained;

[0027] Step 3, adding 10Kg of magnesium hydroxide, 15Kg of aluminum hydroxide, 10Kg of magnesium aluminum hydrotalcite and 1Kg of paraffin oil to the internal mixer of step 2, blending and banburying, to obtain rubber compound;

[0028] Step 4, transferring the rubber material to a twin-screw extruder for extrusion and granulation, drying the pellets, and cooling to room temperature to obtain the halogen-free flame-retardant c...

Embodiment 2

[0031] A method for polyvinyl chloride cold-resistant high flame-retardant cable material, comprising the following steps:

[0032] Step 1, weighing each component raw material according to parts by weight;

[0033] Step 2, polyvinyl chloride resin 120Kg, epoxy soybean oil 8Kg, polyethylene wax 0.55Kg, diisononyl phthalate 22.5Kg, dioctyl terephthalate 24Kg, calcium zinc composite stabilizer 7Kg, plant ash 6Kg, 4Kg of zinc oxide and 1.15Kg of hydroxyl silicone oil are added to the internal mixer for internal mixing to obtain the masterbatch;

[0034] Step 3, adding 14Kg of magnesium hydroxide, 24.5Kg of aluminum hydroxide, 14Kg of magnesium aluminum hydrotalcite and 2.5Kg of paraffin oil to the internal mixer of step 2, blending and banburying, to obtain rubber compound;

[0035] Step 4, transferring the rubber material to a twin-screw extruder for extrusion and granulation, drying the pellets, and cooling to room temperature to obtain the halogen-free flame-retardant cable m...

Embodiment 3

[0038] A method for polyvinyl chloride cold-resistant high flame-retardant cable material, comprising the following steps:

[0039] Step 1, weighing each component raw material according to parts by weight;

[0040] Step 2, polyvinyl chloride resin 140Kg, epoxy soybean oil 12Kg, polyethylene wax 0.8Kg, diisononyl phthalate 30Kg, dioctyl terephthalate 28Kg, calcium zinc composite stabilizer 10Kg, plant ash 9Kg , 6Kg of zinc oxide and 1.8Kg of hydroxy silicone oil are added in the internal mixer and carried out banburying, and masterbatch is obtained;

[0041] Step 3, adding 18Kg of magnesium hydroxide, 27Kg of aluminum hydroxide, 18Kg of magnesium aluminum hydrotalcite and 4Kg of paraffin oil in the banbury mixer of step 2, blending and banburying, obtained sizing material;

[0042] Step 4, transferring the rubber material to a twin-screw extruder for extrusion and granulation, drying the pellets, and cooling to room temperature to obtain the halogen-free flame-retardant cable...

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Abstract

The invention belongs to the technical field of cable material production, and more specifically relates to a halogen-free flame-retardant cable material. The halogen-free flame-retardant cable material is prepared from 100 to 140 parts of polyvinyl chloride resin; 4 to 12 parts of epoxidized soybean oil; 0.3 to 0.8 part of polyethylene wax; 15-30 parts of diisononyl phthalate, 20-28 parts of dioctyl terephthalate, 4-10 parts of a calcium-zinc composite stabilizer, 10-18 parts of magnesium hydroxide, 15-27 parts of aluminum hydroxide, 10-18 parts of magnesium-aluminum hydrotalcite, 3-9 parts of plant ash, 1-4 parts of paraffin oil, 2-6 parts of zinc oxide and 0.5-1.8 parts of hydroxyl silicone oil. The halogen-free flame-retardant cable material is capable of avoiding the defects in the prior art, and magnesium hydroxide and magnesium-aluminum hydrotalcite are added into the cable material, so that the polymerization degree of the cable material is improved, the mechanical strength ofthe cable material is improved, and meanwhile, the flame resistance of the cable material is improved.

Description

technical field [0001] The invention relates to the technical field of cable material production, in particular to a halogen-free flame-retardant cable material. Background technique [0002] Wire and cable are commonly known as cable materials. The base material of cable materials is mainly PVC plastic. PVC plastic is one of the five general-purpose synthetic plastics and is the second largest plastic variety in the world after polyethylene. Due to its good physical and mechanical properties, polyvinyl chloride resin can be used in the production of building materials, packaging materials, electronic materials, daily consumer goods, etc., and is widely used in various fields such as industry, agriculture, construction, transportation, power telecommunications, and packaging. Wire and cable are indispensable and important facilities for industrial and agricultural production and modern life. [0003] In order to improve the flame retardancy of the existing cable materials, ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L91/00C08L23/06C08L83/04C08L91/06C08K13/02C08K5/12C08K3/22H01B3/44
CPCC08K2003/2224C08K2003/2227C08K2003/2296C08K2003/262C08K2201/014C08L27/06C08L2201/02C08L2201/22C08L2203/202C08L2205/035H01B3/443C08L91/00C08L23/06C08L83/04C08L91/06C08K13/02C08K5/12C08K3/22C08K3/26
Inventor 傅凡一赵欣泰蒋昊
Owner 天长市格瑞电缆材料有限公司
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