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Composite material of polypropylene in low smell and volatile matter

A composite material and low volatile technology, applied in the field of polypropylene composite materials, can solve the problems of uneven distribution of micropore pore size, affect material properties, and little practical value, and achieve low cost, simple preparation process, and low volatility. the effect of

Active Publication Date: 2006-02-01
上海天原集团胜德塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, we found that after the material was added with activated carbon as an adsorbent, due to the uneven distribution of micropore size in the activated carbon, the difference was huge, and the largest pore size was as large as about 1000 angstroms, so other medium molecular weight additives added at the same time were often added together. Adsorption, which in turn affects other properties of the material, such as thermo-oxidative stability, etc.
Therefore, this method has little practical value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Dry mix polypropylene 53.65%, talcum powder 40%, fine-pore silica gel 5%, heat stabilizer DSTP 0.9%, heat stabilizer 3114 0.3%, heat stabilizer 618 0.15% in a high-speed mixer for 3-5 minutes, then , and then melted and extruded in a twin-screw extruder, and granulated. The process is: 200-210°C in the first zone, 210-220°C in the second zone, 210-220°C in the third zone, and 205-215°C in the fourth zone; The time is 1-2 minutes, and the pressure is 12-18Mpa.

Embodiment 2

[0045] Dry mix polypropylene 55.65%, talcum powder 40%, fine-pore silica gel 3%, heat stabilizer DSTP 0.9%, heat stabilizer 3114 0.3%, heat stabilizer 618 0.15% in a high-speed mixer for 3-5 minutes, then , and then melted and extruded in a twin-screw extruder, and granulated. The process is: 200-210°C in the first zone, 210-220°C in the second zone, 210-220°C in the third zone, and 205-215°C in the fourth zone; The time is 1-2 minutes, and the pressure is 12-18Mpa.

Embodiment 3

[0047] Dry mix polypropylene 56.65%, talcum powder 40%, fine-pore silica gel 2%, heat stabilizer DSTP 0.9%, heat stabilizer 3114 0.3%, heat stabilizer 618 0.15% in a high-speed mixer for 3-5 minutes, then , and then melted and extruded in a twin-screw extruder, and granulated. The process is: 200-210°C in the first zone, 210-220°C in the second zone, 210-220°C in the third zone, and 205-215°C in the fourth zone; The time is 1-2 minutes, and the pressure is 12-18Mpa.

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PUM

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Abstract

A polypropene composition with low odor and low volatile components is proportionally prepared from polypropene, talc powder, fine-porous silica gel, toughening agent poe, thermal stabilizer DSTP, thermal stabilizer 3114 and thermal stabilizer 618 through mixing, dual-screw extruding out and granulating.

Description

technical field [0001] The present invention relates to a polypropylene composite material with low odor and low volatile content, and more specifically relates to adding an odor inhibitor which can effectively suppress the unpleasant smell in the polypropylene composite material and reduce the volatile content in the polypropylene composite material, Thus a low-odor, low-volatile polypropylene composite material is prepared. The invention also relates to a method for preparing the composite material. Background technique [0002] In recent years, due to the rapid development of engineering modification technology of polypropylene materials, its application in the automotive field has become more and more extensive. However, as an important part of engineered polypropylene materials in the automotive field, various automotive interior parts made of engineered polypropylene materials, although they can meet the corresponding requirements in all aspects of performance, Howev...

Claims

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Application Information

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IPC IPC(8): C08L23/10C08K5/524
Inventor 翁永华张祥福周文
Owner 上海天原集团胜德塑料有限公司
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