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Anti-static halogen-free flame-retardant polypropylene composition and preparation method

A flame-retardant polypropylene and antistatic technology, which is applied in the field of halogen-free flame-retardant polypropylene composition and its preparation, can solve the problems of decreased physical properties, poor antistatic durability, and large dependence on environmental humidity

Inactive Publication Date: 2015-11-25
余姚市中发工程塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are disadvantages that conductive carbon black causes the physical properties of polypropylene to decrease, it is easy to fall off from the matrix, and the operating and processing environment is not good. However, hydrophilic polymers have the disadvantages of large additions and expensive prices in polypropylene, ions and non-ionic polymers. The shortcomings of ionic surfactants in polypropylene are poor antistatic durability, not resistant to scrubbing, and highly dependent on environmental humidity

Method used

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  • Anti-static halogen-free flame-retardant polypropylene composition and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 52.6 parts by weight of polypropylene (melt flow rate is 6g / 10min), 6 parts by weight of antistatic agent (medium-mold high-strength carbon fiber powder), surface treatment agent (γ-glycidyl-oxypropyl-trimethoxysilane and diphenol-based propane diglycidyl ether in a weight ratio of 3:1) 1.2 parts by weight, 30 parts by weight of a composite phosphorus-nitrogen flame retardant, 3 parts by weight of a flame-retardant synergist (sodium-based montmorillonite), and a carbon-forming cooperative 3 parts by weight of effect agent (hyperbranched polycaprolactam), 3 parts by weight of polar modifier (polypropylene grafted maleic anhydride), 3 parts by weight of antioxidant (tetra[β-(3,5-di-tert-butyl-4-hydroxy Phenyl) propionic acid] pentaerythritol ester, 3,3-dilauryl thiodipropionate and tris (2,4-di-tert-butylphenyl) phosphite by weight ratio 0.5:0.5:1) 0.6 weight 0.6 parts by weight of processing aids (zinc stearate, erucamide and ethylene bisstearamide in a weight ratio of 1...

Embodiment 2

[0025]52.6 parts by weight of polypropylene (melt flow rate is 6g / 10min), 6 parts by weight of antistatic agent (general-purpose carbon fiber powder), surface treatment agent (γ-glycidyl-oxypropyl-trimethoxysilane and two 1.2 parts by weight of phenolic propane diglycidyl ether (3:1) by weight, 30 parts by weight of compound phosphorus nitrogen flame retardant, 3 parts by weight of flame retardant synergist (sodium montmorillonite), charcoal synergist (hyperbranched polycaprolactam) 3 parts by weight, polar modifier (polypropylene grafted maleic anhydride) 3 parts by weight, antioxidant (tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl ) propionic acid] pentaerythritol ester, 3,3-dilauryl thiodipropionate and three (2,4-di-tert-butylphenyl) phosphite by weight ratio 0.5:0.5:1) 0.6 parts by weight, Processing aid (zinc stearate, erucamide and ethylene bisstearamide in a weight ratio of 1:1:1) 0.6 parts by weight. Add it to a high-speed mixer at a speed of 500 rpm and mix for 3 mi...

Embodiment 3

[0027] 54.6 parts by weight of polypropylene (melt flow rate is 6g / 10min), 6 parts by weight of antistatic agent (medium-mold high-strength carbon fiber powder), surface treatment agent (γ-glycidyl-oxypropyl-trimethoxysilane and diphenol-based propane diglycidyl ether in a weight ratio of 3:1) 1.2 parts by weight, 28 parts by weight of a composite phosphorus-nitrogen flame retardant, 3 parts by weight of a flame-retardant synergist (sodium montmorillonite), and a carbon-forming cooperating agent 3 parts by weight of effect agent (hyperbranched polycaprolactam), 3 parts by weight of polar modifier (polypropylene grafted maleic anhydride), 3 parts by weight of antioxidant (tetra[β-(3,5-di-tert-butyl-4-hydroxy Phenyl) propionic acid] pentaerythritol ester, 3,3-dilauryl thiodipropionate and tris (2,4-di-tert-butylphenyl) phosphite by weight ratio 0.5:0.5:1) 0.6 weight 0.6 parts by weight of processing aids (zinc stearate, erucamide and ethylene bisstearamide in a weight ratio of 1...

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PUM

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Abstract

The invention discloses an anti-static halogen-free flame-retardant polypropylene composition. The anti-static halogen-free flame-retardant polypropylene composition is prepared from, by weight, 55-70 parts of polypropylene, 3-15 parts of an anti-static agent, 0.3-2.5 parts of a surface treating agent, 20-30 parts of a compound phosphorus-nitrogenous flame retardant, 1-5 parts of flame retardant synergist, 1-6 parts of char-forming synergist, 2-7 parts of polarity improver, 0.3-0.9 part of an antioxidant and 0.3-1.0 part of a processing additive. The anti-static halogen-free flame-retardant polypropylene composition is permanent in anti-static property, good in flame retardancy, harmless to the environment, good in operability and low in cost.

Description

technical field [0001] The invention relates to the technical field of polypropylene plastic modification in general-purpose plastics, in particular to an antistatic halogen-free flame-retardant polypropylene composition and a preparation method thereof, belonging to the category of polymer materials. Background technique [0002] Polypropylene (PP for short) is a thermoplastic general-purpose plastic with a linear polymer structure. Polypropylene has good mechanical strength and mechanical properties, has heat resistance of continuous use temperature up to 110-120°C, stable chemical properties and does not react with most chemicals, low water absorption and hygroscopicity, high dielectric strength and breakdown voltage, Good arc resistance, high-frequency insulation is not affected by humidity, good thermal fluidity and easy to process and shape. [0003] Polypropylene has a wide range of applications, covering automobile manufacturing, household appliances, industrial acc...

Claims

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Application Information

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IPC IPC(8): C08L23/10C08L77/02C08L51/06C08K13/04C08K7/06C08K3/34C08K5/134C08K5/372C08K5/526
CPCC08L23/10C08K2201/017C08L2201/02C08L2201/04C08L2201/22C08L2205/03C08L77/02C08L51/06C08K13/04C08K7/06C08K3/346C08K5/1345C08K5/372C08K5/526
Inventor 吴宏安徐锡丽吴旖迪
Owner 余姚市中发工程塑料有限公司
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