Irradiation crosslinking low-smoke halogen-free polyolefin cable material as well as preparation method and application thereof

A polyolefin cable material and irradiation technology, used in circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of high peak and total heat release, incompatibility of flame retardant performance and mechanical performance, etc.

Pending Publication Date: 2021-05-07
KINGFA SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the incompatibility of flame retardancy and mechanical properties existing in the existing flame retardant wire and cable materials, as well as

Method used

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  • Irradiation crosslinking low-smoke halogen-free polyolefin cable material as well as preparation method and application thereof
  • Irradiation crosslinking low-smoke halogen-free polyolefin cable material as well as preparation method and application thereof
  • Irradiation crosslinking low-smoke halogen-free polyolefin cable material as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1～7

[0107] A radiation cross-linked low-smoke halogen-free polyolefin cable material, including the components shown in Table 1 below in parts by weight.

[0108] The specific preparation method of radiation cross-linked low-smoke halogen-free polyolefin cable material is as follows:

[0109] S1. Put each component into a 400L high-speed mixer and quickly stir and mix evenly. The mixing temperature is 60° C.; the mixing time is 10 minutes, and the speed of the high-speed mixer is 600 rpm;

[0110] S2. Put the uniformly mixed components in S1 into a 75L internal mixer, press down the top bolt, start banburying, banburying into a ball, and banburying temperature is 145°C;

[0111] S3. Put the raw materials after banburying into agglomerates in S2 into the twin-screw extruder for plasticization;

[0112] S4. Putting the plasticized raw materials in S3 into a single-screw extruder to extrude and granulate to prepare the cable material,

[0113] The twin-screw temperature in S3 is 12...

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Abstract

The invention discloses an irradiation crosslinking low-smoke halogen-free polyolefin cable material as well as a preparation method and application thereof. The irradiation crosslinking low-smoke halogen-free polyolefin cable material is prepared from the following components in parts by weight: 1 to 25 parts of linear low-density polyethylene, 5 to 30 parts of ethylene-vinyl acetate copolymer, 1 to 20 parts of ethylene-octylene copolymer, 1 to 20 parts of maleic anhydride grafted linear low-density polyethylene, 1 to 20 parts of maleic anhydride grafted ethylene-octylene copolymer, 30 to 80 parts of magnesium hydroxide, 10 to 30 parts of aluminum hydroxide, 1-30 parts of zinc borate, 1-20 parts of a synergistic flame retardant, 1-5 parts of silicone master batch, 1-3 parts of an assistant crosslinker and 1-5 parts of an antioxidant. Specific preparation raw materials are adopted for modifying the low-smoke halogen-free polyolefin cable material, the defects of flame retardance and mechanical performance of an existing flame-retardant wire and cable material are overcome, the cable material with good mechanical performance and flame retardance is provided, and the low-smoke halogen-free polyolefin cable material is suitable for being widely applied to preparation of wires or cables.

Description

technical field [0001] The invention relates to the technical field of electric wire and cable materials, and more specifically relates to a radiation crosslinked low-smoke halogen-free polyolefin cable material and its preparation method and application. Background technique [0002] In the development process of flame retardant materials for wire and cable, the halogen flame retardants widely used in the early stage have significant advantages such as high flame retardant efficiency, less dosage, and low price. However, when the halogen flame retardants burn, they generate a lot of smoke, Corrosive and toxic gases restrict its application to a certain extent. With the continuous development of the national economy and the continuous improvement of people's awareness of safety and environmental protection, the demand for environmentally friendly, high flame retardant, and low heat release materials continues to increase. Therefore, a low-smoke, halogen-free, high flame reta...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L51/06C08L83/04C08K3/22C08K3/38C08K9/10C08K5/3492C08K5/5313C08K7/00C08K13/06H01B3/44
CPCC08L23/0853H01B3/441C08K2003/2224C08K2003/2227C08K2003/387C08K2201/003C08L2201/02C08L2201/22C08L2203/202C08L2205/035C08L2205/025C08L2312/06C08L23/0815C08L51/06C08L83/04C08K3/22C08K3/38C08K9/10C08K5/34924C08K5/5313C08K7/00C08K13/06
Inventor 王中武黄险波叶南飚丁超陈平绪付晓
Owner KINGFA SCI & TECH CO LTD
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