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Toughened scratch-resistant PP/HDPE (Polypropylene/High Density Polyethylene) plastics for automotive interior trim parts and preparation method thereof

A technology for automotive interior parts and scratch resistance, which is applied in the field of modified PP/HDPE plastics and its preparation, toughened and scratch-resistant PP/HDPE plastics for automotive interior parts and its preparation, and can solve the limitation of polypropylene resin Application, poor toughness and scratch resistance of polypropylene resin, etc., to achieve the effect of low product cost, simple preparation process and excellent comprehensive performance

Active Publication Date: 2014-06-18
湖北瀚氏汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The toughness and scratch resistance of polypropylene resin are not very good, these shortcomings seriously limit the application of polypropylene resin

Method used

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  • Toughened scratch-resistant PP/HDPE (Polypropylene/High Density Polyethylene) plastics for automotive interior trim parts and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] According to the corresponding data of Example 1 in Table 1, each anti-scratch agent component was weighed, after fully mixing, the composite anti-scratch agent of Example 1 was obtained;

[0038] Take 80 kg of dried polypropylene resin, 5 kg of high-density polypropylene resin, 2 kg of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 15 kg of peanut shell powder, and 0.5 kg of ultramarine blue and 1 kg of the compound scratch resistance agent of Example 1, after fully mixing at high speed for 5 minutes, add to the feeding port of the screw extruder; control the rotating speed of the screw extruder at 300rpm, and the temperature at 200°C, and extrude through the screw extruder Machine extruded granulation, promptly obtains the toughened and scratch-resistant PP / HDPE plastics of automobile interior parts of embodiment 1.

[0039] Table 1: PP / HDPE plastic anti-scratch agent formulation table of embodiment 1-7 unit: kilogram

[0040]

Embodiment 2

[0042] According to the data of Example 2 corresponding in Table 1, each anti-scratch agent component was weighed, and after fully mixing, the composite anti-scratch agent of Example 2 was obtained;

[0043] Take 80 kg of dried polypropylene resin, 5 kg of high-density polypropylene resin, 2 kg of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 15 kg of peanut shell powder, and 0.5 kg of ultramarine blue With 1 kg of the compound scratch resistance agent of Example 2, after fully mixing at high speed for 5 minutes, add to the feeding port of the screw extruder; control the rotating speed of the screw extruder at 300rpm, and the temperature at 200°C, and extrude through the screw extruder Machine extruded granulation, promptly obtains the toughened and scratch-resistant PP / HDPE plastics of automobile interior parts of embodiment 2.

Embodiment 3

[0045]According to the corresponding data of Example 3 in Table 1, each anti-scratch agent component was weighed, and after fully mixing, the composite anti-scratch agent of Example 3 was obtained;

[0046] Take 80 kg of dried polypropylene resin, 5 kg of high-density polypropylene resin, 2 kg of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 15 kg of peanut shell powder, and 0.5 kg of ultramarine blue With 1 kg of the compound scratch resistance agent of Example 3, after fully mixing at high speed for 5 minutes, add to the feeding port of the screw extruder; control the rotating speed of the screw extruder at 300rpm, and the temperature at 200°C, and extrude through the screw extruder Machine extruded granulation, promptly obtains the toughened and scratch-resistant PP / HDPE plastics of automobile interior parts of embodiment 3.

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Abstract

The invention discloses toughened scratch-resistant PP / HDPE (Polypropylene / High Density Polyethylene) plastics for automotive interior trim parts and a preparation method thereof. The toughened scratch-resistant PP / HDPE plastics for the automotive interior trim parts contain the following ingredients in parts by weight: 80 parts of PP resin, 5-15 parts of HDPE resin, 1-5 parts of coupling agent, 10-25 parts of toughening agent and 0.1-5 parts of scratch resisting agent. Preferably, the toughening agent is one or a mixture of several of peanut shell powder, walnut shell powder and cottonseed hull powder; the scratch resisting agent is one or a mixture of several of lauric diethanolamide, 2-hydroxy-4-methoxybenzophenone, molybdenum disulfide and graphite. The toughened scratch-resistant PP / HDPE plastics are low in production cost, good in processability and good in toughness and scratch resistance, can achieve waste recycling and are environment-friendly. The toughened scratch-resistant PP / HDPE plastics for the automotive interior trim parts are particularly applicable to the injection molding of various automotive interior trim parts.

Description

technical field [0001] The invention belongs to the technical field of chemical materials, and in particular relates to a modified PP / HDPE plastic and a preparation method thereof, in particular to a toughened and scratch-resistant PP / HDPE plastic for automobile interior parts and a preparation method thereof. Background technique [0002] Polypropylene, abbreviated as PP, was first put into industrial production in Italy in 1957 and is another important plastic species after polyethylene (PE). It has good heat resistance, and it will not be destroyed when it is cooked at 135°C for 1000 hours. The specific heat capacity and thermal conductivity of PP are smaller than that of PE, but its thermal insulation is better than that of PE. PP is a non-polar polymer with excellent dielectric and electrical insulation properties. The electrical properties are basically not affected by ambient humidity and electric field frequency. Within the allowable operating range, the increase in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08L23/06C08L1/02C08K13/02C08K5/20C08K5/132C08K3/30C08K3/04C08K5/5435C08K5/5419B29C47/92B29C48/92
CPCB29C48/04B29C48/92B29C2948/92561B29C2948/9259B29C2948/92676B29C2948/92704B29C2948/92828B29C2948/92885B29C2948/92895C08L23/14C08L2205/03C08L2207/062C08L23/06C08L97/02C08K13/02C08K5/20C08K5/132C08K2003/3009C08K3/04
Inventor 陈斌张荣福印玲赵亚红
Owner 湖北瀚氏汽车零部件有限公司
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