High-flame-retardancy high-heat-resistance MPP pipe and preparation method thereof

A technology with high heat resistance and high flame retardancy is applied in the field of MPP pipes with high flame retardancy and high heat resistance and its preparation, and can solve the problems of flame retardancy, stable heat resistance, poor mechanical strength and the like of power protection pipes. Achieve the effect of reducing surface gloss, improving low temperature impact toughness and improving toughness

Active Publication Date: 2018-07-13
SHENZHEN ANPOWER ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of my country's electric power field, there are various pipe materials currently used in electric power protection, and electric power protection tubes are important components in the electric power field, which play an excellent role in protecting electric wires, light rays, cables and other power materials, but at present The current electric protection tubes are made of PET, PVC, PE and other materials, but the electric protection tubes made of the above materials still have poor properties such as flame retardancy, stability, heat resistance, and mechanical strength, and fail to meet the requirements of electric power protection. protection needs

Method used

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  • High-flame-retardancy high-heat-resistance MPP pipe and preparation method thereof
  • High-flame-retardancy high-heat-resistance MPP pipe and preparation method thereof
  • High-flame-retardancy high-heat-resistance MPP pipe and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A high flame-retardant and high heat-resistant MPP pipe, the MPP pipe includes the following raw materials by weight:

[0036]

[0037] The heat-resistant filler is a mixture of calcium carbonate, lignocellulose and magnesium silicide in a weight ratio of 3:3:2.

[0038] The antioxidant is a mixture of primary antioxidant and secondary antioxidant in a weight ratio of 1:1.5, and the primary antioxidant is β-(3,5-di-tert-butyl-4-hydroxybenzene base) n-octadecyl propionate, and the secondary antioxidant is tris(2,4-di-tert-butylphenyl) phosphite.

[0039] The compatibilizer is styrene-acrylonitrile copolymer grafted with glycidyl methacrylate.

[0040] The flame retardant is 1,2-bis(tetrabromophthalimide)ethane and / or brominated epoxy resin.

[0041] The synergist is zinc borate.

[0042] The MPP pipe also includes 10 parts of an impact modifier, and the impact modifier is a styrene-butadiene-styrene copolymer.

[0043] The MPP pipe also includes 1 part of lubrican...

Embodiment 2

[0049] A high flame-retardant and high heat-resistant MPP pipe, the MPP pipe includes the following raw materials by weight:

[0050]

[0051] The heat-resistant filler is a mixture of calcium carbonate, lignocellulose and magnesium silicide in a weight ratio of 5:4:1.8.

[0052] The antioxidant is a mixture of primary antioxidant and secondary antioxidant in a weight ratio of 1:1.8, and the primary antioxidant is tetrakis[β-(3,5-di-tert-butyl-4- Hydroxyphenyl) propionic acid] pentaerythritol ester, the secondary antioxidant is tris (2,4-di-tert-butylphenyl) phosphite.

[0053] The compatibilizer is hydrogenated styrene-butadiene-styrene copolymer grafted with glycidyl methacrylate.

[0054] The flame retardant is decabromodiphenylethane, 2,4,6-tribromophenol, poly(2,6-dibromophenylene ether).

[0055] The synergist is at least one of zinc stearate, talcum powder and iron oxide.

[0056] The MPP pipe also includes 11 parts of an impact modifier, and the impact modifier i...

Embodiment 3

[0063] A high flame-retardant and high heat-resistant MPP pipe, the MPP pipe includes the following raw materials by weight:

[0064]

[0065]

[0066] The heat-resistant filler is a mixture of calcium carbonate, lignocellulose and magnesium silicide in a weight ratio of 7.5:5:1.5.

[0067] The antioxidant is a mixture of primary antioxidant and secondary antioxidant in a weight ratio of 1:2, and the primary antioxidant is β-(3,5-di-tert-butyl-4-hydroxybenzene base) n-octadecyl propionate, and the secondary antioxidant is bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite.

[0068] The compatibilizer is a block copolymer of polydiorganosiloxane and polycarbonate.

[0069] The flame retardant is at least one of decabromodiphenyl ether, tetrabromobisphenol A and brominated polystyrene.

[0070] The synergist is antimony trioxide.

[0071] The MPP pipe also includes 12 parts of an impact modifier, and the impact modifier is nitrile rubber with an acrylonitrile unit...

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Abstract

The invention relates to the technical field of high polymer materials, and in particular relates to a high-flame-retardancy high-heat-resistance MPP pipe and a preparation method thereof. The MPP pipe comprises the following raw materials in parts by weight: 68-102 parts of polypropylene resin, 0.1-2.5 parts of an antioxidant, 2-8 parts of a compatilizer, 8-15 parts of a flame retardant, 1-5 parts of a synergistic agent, 6-15 parts of an acrylate fiber, 4-10 parts of a heat-resistant filler and 1-5 parts of modified micro-silicon powder, wherein the heat-resistant filler is the mixture composed of calcium carbonate, lignocelluloses and magnesium silicide according to the weight ratio of 3-12:3-8:1-2. The MPP pipe disclosed by the invention has better flame retardancy, heat resistance, smoke inhibition performance, stability, oxidation aging resistance and the like, the strength is high, and the heat-resistant filler is adopted, the heat resistance and the processing flowing property of the MPP pipe can be effectively improved, the surface glossiness is reduced, the forming performance is good, the processing performance is good, and the use value is high.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a highly flame-resistant and high-heat-resistant MPP pipe and a preparation method thereof. Background technique [0002] With the rapid development of my country's electric power field, there are various pipe materials currently used in electric power protection, and electric power protection tubes are important components in the electric power field, which play an excellent role in protecting electric wires, light rays, cables and other power materials, but at present The current electric protection tubes are made of PET, PVC, PE and other materials, but the electric protection tubes made of the above materials still have poor performances such as flame retardancy, stability, heat resistance, and mechanical strength, and fail to meet the requirements of electric power protection. protection needs. Contents of the invention [0003] In order to overcome the shortcomin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L97/02C08L63/00C08L25/06C08L71/12C08K13/06C08K3/26C08K3/34C08K3/36C08K5/06C08K5/136C08K5/03C08K5/1539C08K5/3415C08K5/02
CPCC08K2003/265C08K2003/387C08L23/12C08L2201/02C08L2201/08C08L2203/18C08L2205/08C08L2205/16C08L97/02C08L63/00C08L25/06C08L71/12C08K13/06C08K3/26C08K3/34C08K3/36C08K5/06C08K5/136C08K5/03C08K5/1539C08K5/3415C08K5/02
Inventor 袁睿陈文革张绍梅张毅力
Owner SHENZHEN ANPOWER ELECTRIC
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