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Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof

A polyolefin elastomer, intumescent flame retardant technology, used in plastic/resin/wax insulators, organic insulators, etc., can solve the problem that flame retardants cannot meet the high requirements of the comprehensive performance of materials, and achieve high mechanical performance, operation The effect of convenience and simple preparation method

Inactive Publication Date: 2016-07-20
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different types of flame retardants have their own advantages and disadvantages. The flame retardant effect is exerted in different ways. A single type of flame retardant cannot meet people's high requirements for the comprehensive performance of materials.

Method used

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  • Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof
  • Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof
  • Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A synergistic expansion flame-retardant polyolefin elastomer cable material is composed of the following raw materials in parts by weight:

[0027]

[0028] Wherein the raw material composition of the weight fraction of intumescent flame retardant IFR is:

[0029] 33 parts of ammonium polyphosphate;

[0030] 17 parts of pentaerythritol;

[0031] A method for preparing a synergistic expansion flame-retardant polyolefin elastomer cable material, the specific steps of the method are:

[0032] Dry the flame retardant in a vacuum oven at 80°C, activate it in a high-speed mixer for 20 minutes, add a coupling agent, and mix it at 80°C for 30 minutes at high speed;

[0033] Weigh according to the content of each component in the formula, mix uniformly at room temperature, add to an open mixer, internal mixer or twin-screw extruder for mixing and granulation, and control the temperature at 140°C.

[0034] The performance test results of the hypophosphite synergistic expans...

Embodiment 2

[0036] A synergistic expansion flame-retardant polyolefin elastomer cable material is composed of the following raw materials in parts by weight:

[0037]

[0038] Wherein the raw material composition of the weight fraction of intumescent flame retardant IFR is:

[0039] 27 parts of ammonium polyphosphate;

[0040] 13 parts of pentaerythritol;

[0041] A method for preparing a synergistic expansion flame-retardant polyolefin elastomer cable material, the specific steps of the method are:

[0042] Dry the flame retardant in a vacuum oven at 80°C, activate it in a high-speed mixer for 20 minutes, add a coupling agent, and mix it at 80°C for 30 minutes at high speed;

[0043] Weigh according to the content of each component in the formula, mix uniformly at room temperature, add to an open mixer, internal mixer or twin-screw extruder for mixing and granulation, and control the temperature at 140°C.

[0044] The performance test results of the hypophosphite synergistic expans...

Embodiment 3

[0046] A synergistic expansion flame-retardant polyolefin elastomer cable material is composed of the following raw materials in parts by weight:

[0047]

[0048] Wherein the raw material composition of the weight fraction of intumescent flame retardant IFR is:

[0049] 20 parts of ammonium polyphosphate;

[0050] 10 parts of pentaerythritol;

[0051] A method for preparing a synergistic expansion flame-retardant polyolefin elastomer cable material, the specific steps of the method are:

[0052] Dry the flame retardant in a vacuum oven at 80°C, activate it in a high-speed mixer for 20 minutes, add a coupling agent, and mix it at 80°C for 30 minutes at high speed;

[0053] Weigh according to the content of each component in the formula, mix uniformly at room temperature, add to an open mixer, internal mixer or twin-screw extruder for mixing and granulation, and control the temperature at 140°C.

[0054] The performance test results of the hypophosphite synergistic expans...

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Abstract

The invention discloses a synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and a preparation method thereof. The synergistic intumescent flame retardant POE cable material comprises the following components: 100 parts of POE, 30-50 parts of intumescent flame retardant (IFR), 5-30 parts of second flame retardants, 1-2 parts of surface modifiers, 1-10 parts of compatilizers, 0.5-2 parts of antioxidants and 1-2 parts of lubricating agents. The preparation method of the cable material comprises the following processing steps: material preparation, flame retardant surface modification, material mixing, mixing and granulation. The cable material and the preparation method have the advantages that the preparation method is simple and is reasonable in operation process; and the prepared cable material has higher mechanical properties and low temperature flexibility, has the characteristics of low smoke, no toxicity and no molten drops during burning, and has better flame retardance.

Description

technical field [0001] The invention belongs to the technical field of polymer materials for wires and cables, and in particular relates to a co-expandable flame-retardant polyolefin elastomer cable material and a preparation method thereof. Background technique [0002] With the rapid development of the economy, electronic information technology has also made great progress as an important aspect, and the demand for wires and cables is increasing day by day. Most of the cable materials commonly used at the beginning were halogen-containing materials, which would emit toxic gases and smoke when burned, while polyolefins are halogen-free materials, all composed of hydrocarbon elements, and are currently widely used in the wire and cable industry. However, the limiting oxygen index of polyolefin is very low, about 17%. If it is used as a cable material, its flame retardancy must be improved. [0003] The traditional method of adding a large amount of flame retardants can impr...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L51/06C08K13/06C08K9/04C08K9/06C08K5/053C08K3/32H01B3/44
CPCC08L23/0815C08L2201/02C08L2201/22C08L2203/202H01B3/441C08L51/06C08K13/06C08K9/04C08K2003/323C08K5/053C08K3/32
Inventor 薛锋李聚钊
Owner SOUTH CHINA UNIV OF TECH
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