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Silane crosslinking polyethylene insulating material electric wire cable and preparation method thereof

A polyethylene insulation, wire and cable technology, applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of large gaps, achieve high insulation resistance, improve heat deformation resistance, and improve mechanical properties.

Inactive Publication Date: 2016-10-26
浙江太湖远大新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As we all know, in the industry, the temperature grade of 105°C and below can meet the requirements no matter whether XLPE, XLPVC or PVC is used. Above 150°C, the application of silicone rubber, fluoroplastics, polyimide and other varieties has also matured, but in the middle temperature grade (such as 125°C, 150°C) application development, there is a big gap with foreign countries

Method used

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  • Silane crosslinking polyethylene insulating material electric wire cable and preparation method thereof
  • Silane crosslinking polyethylene insulating material electric wire cable and preparation method thereof
  • Silane crosslinking polyethylene insulating material electric wire cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A silane cross-linked polyethylene insulating material wire and cable, the wire and cable includes an insulating material and a wire, and the insulating material is prepared from the following components in weight percentage:

[0043]

[0044]

[0045] Described catalyst masterbatch is made of following component:

[0046]

[0047] The two-step method for preparing the above-mentioned silane crosslinked polyethylene insulating material mainly consists of two parts, one is the preparation of the catalyst masterbatch, and the other is the preparation of the finished product.

[0048] 1. Catalyst masterbatch preparation:

[0049] Stir the above materials in the mixer, first stir at low speed for 1 minute and then at high speed for 3 minutes, then release and pour into the hopper of the extruder (extruder temperature: 140-180°C), extrude through the twin-screw, and then pass through the cooling water tank for cooling , and then blown dry by a fan before cutting in...

Embodiment 2

[0060] A silane cross-linked polyethylene insulating material wire and cable, the wire and cable includes an insulating material and a wire, and the insulating material is prepared from the following components in weight percentage:

[0061]

[0062] Described catalyst masterbatch is made of following component:

[0063]

[0064]

[0065] The insulating material mentioned above was prepared by the two-step method of Example 1.

Embodiment 3

[0067] A silane cross-linked polyethylene insulating material wire and cable, the wire and cable includes an insulating material and a wire, and the insulating material is prepared from the following components in weight percentage:

[0068]

[0069] Described catalyst masterbatch is made of following component:

[0070]

[0071] The one-step method for preparing the above-mentioned silane cross-linked polyethylene insulating material mainly consists of two parts, one is the preparation of the catalyst masterbatch, and the other is the preparation of the finished product.

[0072] 1) Catalyst masterbatch preparation: Stir the above catalyst masterbatch materials in a mixer, first stir at a low speed for 1 minute, then stir at a high speed for 3 minutes, then pour them into the hopper of the extruder, the temperature of the extruder: 140-180°C, After the screw is extruded, it is cooled in a cooling water tank, and then dried by a fan before being pelletized. The pellets a...

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Abstract

The invention relates to the field of insulating material electric wire cables, in particular to a silane crosslinking polyethylene insulating material electric wire cable and a preparation method thereof. The electric wire cable comprises an insulating material and a wire; the insulating material is prepared from LLDPE-7042, LDPE, a silane coupling agent, a cross-linking agent DCP, an antioxidant 300 and catalyst masterbatch; the catalyst masterbatch is prepared from LLDPE-7042, LLDPE-8320, PP, an antioxidant 1010, an antioxidant DLTP, an antioxidant 1024, organic tin and fluororubber masterbatch. According to the silane crosslinking polyethylene insulating material electric wire cable and the preparation method thereof, the insulating material mainly replaces an existing PVC material, the insulating property is superior to that of the PVC, the PVC can release poisonous and harmful gas when a fire breaks out due to the fact that an electric wire is aged, but the silane insulating material is nontoxic and harmless.

Description

technical field [0001] The invention relates to the field of insulating material wires and cables, in particular to a silane crosslinked polyethylene insulating material wire and cable and a preparation method thereof. Background technique [0002] The types of polyolefins used in the cable industry mainly include PE, PP, EVA and EEA, etc. Among them, the relatively large amount and long application history are mainly PE, which include HDPE, MDPE, LDPE, LLDPE and cross-linked XLPE. Their application Needless to say. The current application and development trends of polyolefins in the industry mainly focus on the following aspects: [0003] (1) Serialization and perfection of halogen-free and low-smoke materials [0004] Halogen-free, low-smoke, flame-retardant cable materials have been developing rapidly in recent years, and thermoplastic materials that meet the requirements of the IEC92-359 standard have been more and more widely used. With the requirements of cables for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08L23/12C08K5/00C08K5/57C08J3/24H01B3/44
CPCC08L23/06C08J3/246C08J2323/06C08J2423/08C08L2201/08C08L2203/202C08L2205/035C08L2207/066H01B3/441
Inventor 赵勇李顺利俞丽琴蔡煜明李学贵
Owner 浙江太湖远大新材料股份有限公司
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