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150 DGE C irradiation crosslinking low-smoke halogen-free antiflaming polyolefin sheathing compound for locomotive thin-walled line as well as preparation and application thereof

A technology of polyolefin sheathing and irradiation, which is applied in the direction of conductors, electrical components, circuits, etc., and can solve the problems of no industrialization, difficult control of extrusion process, and inability to extrude with ordinary extrusion equipment.

Active Publication Date: 2013-04-10
SHANGHAI KAIBO SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, polyether ether ketone (PEEK) is commonly used in the insulation layer of locomotive thin-walled wires at home and abroad, but PEEK is expensive and cannot be extruded by ordinary extrusion equipment, and the extrusion process is difficult to control. Raw materials are not well industrialized, and there are many problems compared with imported raw materials

Method used

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  • 150 DGE C irradiation crosslinking low-smoke halogen-free antiflaming polyolefin sheathing compound for locomotive thin-walled line as well as preparation and application thereof
  • 150 DGE C irradiation crosslinking low-smoke halogen-free antiflaming polyolefin sheathing compound for locomotive thin-walled line as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The raw material components are as follows:

[0035] Ingredient parts by mass

[0036] HDPE density is 0.954 80 parts

[0037] POE5062 graft melt index 0.620 parts

[0038] Methyl silicone rubber compound 10 parts

[0039] Magnesium hydroxide 80 parts

[0040] Antimony trioxide 10 parts

[0041] Antioxidant 1010 4 parts

[0042] 1 part magnesium stearate

[0043] Polyethylene wax 0.2 parts

[0044] Triallyl isocyanurate 3 parts

[0045] A17 23 copies

[0046] Preparation method: The above raw material components are mixed by a plastic high mixer, plasticized and granulated by a twin-screw extrusion granulator and dried to obtain the product.

Embodiment 2

[0048] The raw material components are as follows:

[0049] Ingredient parts by mass

[0050] HDPE density is 0.958 85 parts

[0051] POE5062 graft melt index 0.6 15 parts

[0052] Methyl silicone rubber compound 8 parts

[0053] Magnesium hydroxide 85 parts

[0054] Antimony trioxide 10 parts

[0055] Antioxidant 1010 4 parts

[0056] 1 part magnesium stearate

[0057] Polyethylene wax 0.2 parts

[0058] Triallyl isocyanurate 3 parts

[0059] A172 3 copies

[0060] The preparation method is the same as in Example 1.

Embodiment 3

[0062] The raw material components are as follows:

[0063] Ingredient parts by mass

[0064] HDPE density is 0.958 90 parts

[0065]POE5061 graft melt index 0.6 10 parts

[0066] Methyl silicone rubber compound 10 parts

[0067] Magnesium hydroxide 90 parts

[0068] Antimony trioxide 10 parts

[0069] Antioxidant 1010 4 parts

[0070] 1 part magnesium stearate

[0071] Polyethylene wax 0.2 parts

[0072] Triallyl isocyanurate 3 parts

[0073] A172 3 copies

[0074] The preparation method is the same as in Example 1.

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Abstract

The invention relates to a 150 DGE C irradiation crosslinking low-smoke halogen-free antiflaming polyolefin sheathing compound for a locomotive thin-walled line. The sheathing compound is prepared from the following raw material components in parts by weight: 60-90 parts of substrate, 10-40 parts of compatilizer, 50-100 parts of halogen-free flame retardant, 5-30 parts of halogen-free antiflamingauxiliary, 2-4 parts of antioxidant, 0.5-2 parts of lubricant, 1-4 parts of crosslinking sensitizing agent and 1-5 parts of powder dispersing agent. The 150 DGE C irradiation crosslinking low-smoke halogen-free antiflaming polyolefin sheathing compound has the advantages that the cost is relatively low, the whole system dose not contain halogen, and the sheathing compound has scraping resistance,oil resistance, low fuming amount in burning and the like and completely meets the requirement of a cable for the 150 DGE C locomotive thin-walled line.

Description

technical field [0001] The invention relates to a polymer material for wires and cables, in particular to a 105°C irradiation cross-linked low-smoke, halogen-free, flame-retardant polyolefin sheath material suitable for thin-walled wires of locomotives. Background technique [0002] The intelligence and automation of rail transit rolling stock is increasing day by day, which requires the installation of a large number of various cables. However, the available space on rail transit rolling stock is limited, so there is a limit to the thickness of the insulation layer of some cables. The thin-wall wire is designed to meet such application requirements, and the wall thickness of the thin-wall wire insulation material is usually around 0.25mm. [0003] The speed of modern rail transit locomotives is getting higher and higher, and it has exceeded 300km / h at present. The locomotive runs at such a high speed for a long time, and severe vibration is unavoidable, and at this time, f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L51/06C08K13/02C08K3/22C08K5/134C08K5/098C08K5/3492H01B7/295
Inventor 杨森项健
Owner SHANGHAI KAIBO SPECIAL CABLE FACTORY
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