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Modified polypropylene masterbatch and composite polypropylene material utilizing same

A technology for composite materials and polypropylene, which is applied in the field of modified polypropylene masterbatch and polypropylene composite materials using the masterbatch, which can solve the problems of affecting the mechanical properties of materials, the loss of surfactants, and the inability to obtain light-colored products, etc. , to achieve the effect of improving long-lasting antistatic and flame retardancy, and ensuring impact strength

Inactive Publication Date: 2015-05-20
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conductive carbon black can significantly improve the antistatic properties of polypropylene, but it will affect the mechanical properties of the material, and light-colored products cannot be obtained
The effect of adding carbon nanotubes is better than that of graphite, but it is expensive
Surfactant antistatic agent is a kind of small molecule with amphiphilic structure. This kind of antistatic agent has low cost and obvious effect. However, under dry conditions, this method will fail, and due to the migration of small molecules, it will The surfactant in the material will be lost, and the antistatic life will be shorter

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The modified polypropylene masterbatch of this embodiment consists of the following raw materials in parts by weight: 100 parts of chlorinated polypropylene, 5 parts of n-butylamine, Sb 2 o 3 10 parts, 0.5 parts of 2,6-di-tert-butyl-p-cresol, 0.4 parts of dibutyltin dilaurate; the mass fraction of chlorine atoms in chlorinated polypropylene is 30%.

[0022] The preparation method of the modified polypropylene masterbatch is to combine chlorinated polypropylene, n-butylamine, Sb 2 o 3 , 2,6-di-tert-butyl-p-cresol, and dibutyltin dilaurate are dry mixed together and then melt-extruded and granulated at 150°C to obtain modified polypropylene masterbatches.

[0023] The polypropylene composite material using the above-mentioned masterbatch in this embodiment is composed of the following raw materials in parts by weight: 10 parts of modified polypropylene masterbatch, 10 parts of chlorinated polypropylene with a chlorine atomic mass fraction of 50%, polypropylene 80 serv...

Embodiment 2

[0026] The modified polypropylene masterbatch of the present embodiment is made up of the following raw materials in parts by weight: 100 parts of chlorinated polypropylene, 10 parts of di-n-butylamine, Mg(OH) 2 15 parts, 1.0 parts of dilauryl thiodipropionate, 0.6 parts of octyltin maleate; the mass fraction of chlorine atoms in chlorinated polypropylene is 40%.

[0027] The preparation method of the modified polypropylene masterbatch is to combine chlorinated polypropylene, di-n-butylamine, Mg(OH) 2 , dilauryl thiodipropionate, and octyltin maleate are dry mixed together and then melted and extruded at 140°C to obtain modified polypropylene masterbatches.

[0028] The polypropylene composite material using the above-mentioned masterbatch in this embodiment is composed of the following raw materials in parts by weight: 15 parts of modified polypropylene masterbatch, 15 parts of chlorinated polypropylene with a chlorine atomic mass fraction of 30%, polypropylene 70 servings. ...

Embodiment 3

[0031] The modified polypropylene masterbatch of the present embodiment is made up of the following raw materials in parts by weight: 100 parts of chlorinated polypropylene, 20 parts of ethanolamine, Al(OH) 3 20 parts, 0.7 parts of tris(2,4-di-tert-butylphenyl) phosphite, 0.5 parts of dibasic lead stearate, 0.5 parts of dibutyltin dilaurate; mass fraction of chlorine atoms in chlorinated polypropylene 50%.

[0032] The preparation method of the modified polypropylene masterbatch is to combine chlorinated polypropylene, ethanolamine, Al(OH) 3 , tris(2,4-di-tert-butylphenyl) phosphite, dibasic lead stearate, and dibutyltin dilaurate are dry mixed together and then melt-extruded and granulated at 160°C to obtain the modified Polypropylene masterbatch.

[0033] The polypropylene composite material using the above-mentioned masterbatch in this embodiment is composed of the following raw materials in parts by weight: 15 parts of modified polypropylene masterbatch, 15 parts of chlo...

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Abstract

The invention discloses a modified polypropylene masterbatch and a composite polypropylene material utilizing the same. The modified polypropylene masterbatch comprises, by weight, 100 parts of chlorinated polypropylene, 5-30 parts of organic amine, 10-20 parts of synergist, 0.5-2 parts of antioxygen, and 0.4-1.2 parts of stabilizing agent. The composite polypropylene material utilizing modified polypropylene masterbatch comprises, by weight, 10-20 parts of the modified polypropylene masterbatches, 10-20 parts of chlorinated polyolefin, and 60-80 parts of polypropylene. The modified polypropylene masterbatch comprises the organic amine modified chlorinated polypropylene as macromolecular antistatic agent, and is durable in antistatic effect. As for the composite polypropylene material utilizing the modified polypropylene masterbatch, when shock strength of polypropylene materials is guaranteed, antistatic property and flame retardance property are improved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a modified polypropylene master batch and a polypropylene composite material using the master batch. Background technique [0002] Polypropylene is a general-purpose plastic with high rigidity, excellent mechanical properties, good heat resistance and chemical resistance, and easy recycling and other environmental friendliness. However, polypropylene is a pure hydrocarbon polymer and is a highly insulating material with a surface resistance of 10. 16 ~10 17 Ω, therefore, the electrostatic charge generated on the surface cannot be transferred under the process of friction, peeling or induction. When the surface electrostatic charge accumulates to a certain extent, it will bring serious dangers, such as dust absorption, discharge, breakdown, and even combustion or explosion . [0003] In order to eliminate the above-mentioned defects of polypropylene materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/36C08L23/28C08L23/12C08J3/22
Inventor 张玉清赫玉欣王晓高喜平陆敏
Owner HENAN UNIV OF SCI & TECH
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