Modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and preparation method of material

A high-fluidity, composite material technology, applied in the field of polymer materials, can solve the problems of difficult preparation of nano-scale silica powder and porous silica microspheres, large influence on the appearance of parts, and limited application scope of materials, etc. Achieve the effect of excellent processing performance, simple processing and high impact strength

Inactive Publication Date: 2019-05-10
GUANGDONG JUSHI CHEM CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] CN106009305A discloses a high-fluidity, high-rigidity, high-impact modified polypropylene composite material. The nano-scale silica powder and porous silica microsphere filler are not only difficult to prepare, and the source of raw materials is not easy. The appearance has a great influence, which limits the application range of the material

Method used

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  • Modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and preparation method of material
  • Modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and preparation method of material
  • Modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and preparation method of material

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preparation example Construction

[0048] The method for preparing a modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning comprises the following steps:

[0049] 1) Weighing according to the aforementioned composition, first mix polypropylene, polyethylene and POE, then add nucleating agent, coupling agent, free radical scavenger, anti-thermal oxygen stabilizer and auxiliary agent to continue mixing to obtain a mixed material;

[0050] 2) Add the mixed material to the main feeding port of the twin-screw extruder, add the filler to the side feeding port of the twin-screw extruder, melt and mix it under a protective atmosphere, and then extrude it through the twin-screw extruder to produce Granules to obtain high fluidity, high modulus and high impact modified filled polypropylene composite materials for automobile thinning.

[0051] Preferably, in step 1) of the preparation method, the mixing is stirring and mixing in a mixer, specifically: fir...

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Abstract

The invention discloses a modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and a preparation method of the material. The modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning consists of the following raw materials: polypropylene, polyethylene, POE, a nucleate agent, a filler, a coupling agent, a free radical scavenger, a thermal oxygen stabilizer and an auxiliary agent. Meanwhile, the invention further disclose a preparation method of the modified filledpolypropylene composite material with high fluidity, high modulus and high impact for automobile thinning. The modified filled polypropylene composite material prepared by taking high-fluidity polypropylene as a base material, adding the nucleating agent and the filler and synergistic toughening of the POE and the high-density polyethylene, so that raw material sources are easily-available, the processing is easily available, and the material fluidity, the modulus and the impact strength are high.

Description

technical field [0001] The invention relates to a high-flowability, high-modulus, high-impact modified filled polypropylene composite material for thinning automobiles and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] The thin-wall technology of auto parts has always been one of the important directions in the development of automobile technology. Especially in recent years, the development trend and trend of automobile lightweight and environmental protection have made the application of thin-wall automobile products more and more extensive, and the requirements are also Higher and higher. [0003] The rapid development of thin-walled auto parts not only improves the handling performance, but also reduces the weight of the vehicle, reduces the fuel consumption of the vehicle, shortens the molding cycle and reduces the production cost for the producer. The average wall thickness of interior and exterior pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08L23/06C08L23/08C08L83/04C08K3/34C08K5/134C08K5/526C08K5/544C08K13/02
Inventor 熊金标林经萍黄方雁杨海民贾似海刘鹏辉刘俊李函坚张宗豪
Owner GUANGDONG JUSHI CHEM CO LTD
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