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Polypropylene nanocomposite material with high intensity and super high toughness as well as its preparation method

A technology of nano-composite materials and ultra-high toughness, which is applied in the field of high-strength, polypropylene nano-composite materials, and ultra-high-toughness polypropylene nano-composite materials. Well-balanced, performance-enhancing effects

Inactive Publication Date: 2012-06-27
SHANGHAI PRET COMPOSITES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the increasing performance requirements of automotive materials year by year, it is necessary to further improve the material toughness, especially the low temperature toughness, without continuing to decrease the rigidity of the material. Therefore, the conventional modification method has been unable to achieve the best balance between rigidity and toughness to meet the standard. Requirements, and the rapid development of nanotechnology in recent years provides a new way to solve this problem

Method used

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  • Polypropylene nanocomposite material with high intensity and super high toughness as well as its preparation method
  • Polypropylene nanocomposite material with high intensity and super high toughness as well as its preparation method
  • Polypropylene nanocomposite material with high intensity and super high toughness as well as its preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036]Weighing 93% of polypropylene, 1% of nano-calcium carbonate, 0.5% of maleic anhydride grafted polypropylene, 5% of POE elastomer, 0.1% of Irganox 1010, 0.1% of Igrafos 168, and 0.3% of Negonox DSTP by weight percentage, Dry mix in a high-speed mixer for 5 minutes, then add to a twin-screw extruder for melt extrusion and granulation, where the temperature in the screw barrel is: 200°C in the first zone, 210°C in the second zone, 210°C in the third zone, and 210°C in the fourth zone , head 220 ° C, twin-screw extruder speed 400 rpm. After the particles are dried, they are injection molded on an injection molding machine to prepare samples.

Embodiment 2

[0038] Weighing 88.5% of polypropylene, 5% of nano-calcium carbonate, 1% of maleic anhydride grafted polypropylene, 5% of POE elastomer, 0.1% of Irganox 1010, 0.1% of Igrafos 168, and 0.3% of Negonox DSTP by weight percentage, Dry mix in a high-speed mixer for 5 minutes, then add to a twin-screw extruder for melt extrusion and granulation, where the temperature in the screw barrel is: 200°C in the first zone, 210°C in the second zone, 210°C in the third zone, and 210°C in the fourth zone , head 220 ° C, twin-screw extruder speed 400 rpm. After the particles are dried, they are injection molded on an injection molding machine to prepare samples.

Embodiment 3

[0040] Weighing 76.5% of polypropylene, 15% of nano-calcium carbonate, 3% of maleic anhydride grafted polypropylene, 5% of POE elastomer, 0.1% of Irganox 1010, 0.1% of Igrafos 168, and 0.3% of Negonox DSTP by weight percentage, Dry mix in a high-speed mixer for 5 minutes, then add to a twin-screw extruder for melt extrusion and granulation, where the temperature in the screw barrel is: 200°C in the first zone, 210°C in the second zone, 210°C in the third zone, and 210°C in the fourth zone , head 220 ° C, twin-screw extruder speed 400 rpm. After the particles are dried, they are injection molded on an injection molding machine to prepare samples.

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Abstract

The invention discloses a polypropylene nanocomposite material with high intensity and super high toughness, and its preparation method. The polypropylene nanocomposite material comprises the following raw materials by weight 40-97% of polypropylene, 1-15% of nanosized filler, 1-25% of micronsized filler, 0-3% of compatilizer, 1-25% of elastomer flexibilizer, 0.1-2% of stabilizing agent and 0-5% of other additives. By the synergistic modified effect of the nanosized filler, the micronsized filler and the elastomer flexibilizer, the polypropylene nanocomposite material with good rigid-tough balance, high intensity, super high toughness and other excellent performances can be obtained.

Description

technical field [0001] The invention relates to a polypropylene nano-composite material; specifically, a high-strength, ultra-high-toughness polypropylene nano-composite material and a preparation method thereof; belonging to the field of polymer modification and processing. Background technique [0002] As one of the three important basic materials, polymer composite materials, with the rapid development of my country's national economy, the demand for it in various industries has risen rapidly. In recent years, with the rapid development of my country's automobile industry and the strategic layout of the new energy automobile industry, there is an urgent need for a large number of high-performance polymer composite materials to support. At the same time, higher requirements are put forward for the composite materials with polypropylene as the matrix widely used in interior and exterior decorations and structural parts, that is, while emphasizing beauty and comfort, more at...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/14C08L23/20C08K3/26C08K3/34B29C47/92B29C48/92
CPCB29C48/40B29C48/875B29C48/92B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 张锴张鹰张祥福周文
Owner SHANGHAI PRET COMPOSITES
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