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Anti-aging and high-temperature resistant PA6/PP alloy for automotive interior parts and preparation method thereof

An automobile interior parts, anti-aging technology, applied in anti-aging and high temperature resistant PA6/PP alloy for automobile interior parts and its preparation, modified PA6/PP alloy and its preparation field, can solve poor dimensional stability, light, Poor thermal stability and other issues, to achieve the effect of low product cost, simple preparation process, and excellent comprehensive performance

Active Publication Date: 2016-01-20
SHANDONG HANSHI AUTOMOTIVE COMPONENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the presence of amide polar groups in PA6, it has strong water absorption and poor dimensional stability, which limits its application. Because PP (polypropylene) has excellent properties such as easy processing and low water absorption, and the price is only PA6 Generally, the PA6 / PP alloy made by blending PP and PA6 can overcome the inherent defects of PA6 and PP, and has good wear resistance, water resistance, corrosion resistance, molding processability and dimensional stability of products. sex etc.
However, the light and thermal stability are poor and need to be improved urgently.

Method used

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  • Anti-aging and high-temperature resistant PA6/PP alloy for automotive interior parts and preparation method thereof
  • Anti-aging and high-temperature resistant PA6/PP alloy for automotive interior parts and preparation method thereof
  • Anti-aging and high-temperature resistant PA6/PP alloy for automotive interior parts and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Take each antiaging agent component according to the corresponding embodiment 1 data in table 1, after fully mixing, obtain the composite antiaging agent of embodiment 1;

[0036] Get 100 kilograms of PA6 after dry treatment, 80 kilograms of PP, 1.5 kilograms of calcium stearate and the composite antiaging agent of embodiment 1, after fully mixing at high speed for 10 minutes, add the feeding port of twin-screw extruder; The rotating speed of the extruder is 300 rpm, the temperature is 220° C., extruded and granulated by a twin-screw extruder, and the anti-aging and high-temperature resistant PA6 / PP alloy for automotive interior parts of Example 1 is obtained.

[0037] Table 1: PA6 / PP alloy anti-aging agent formula table of embodiment 1-7 unit: kilogram

[0038]

[0039]

Embodiment 2

[0041] Take each antiaging agent component according to the corresponding embodiment 2 data in table 1, after fully mixing, obtain the composite antiaging agent of embodiment 2;

[0042] According to the method described in Example 1, the anti-aging and high-temperature resistant PA6 / PP alloy for automotive interior parts in Example 2 was obtained.

Embodiment 3

[0044] Take each antiaging agent component according to the corresponding embodiment 3 data in table 1, after fully mixing, obtain the composite antiaging agent of embodiment 3;

[0045] According to the method described in Example 1, the anti-aging and high-temperature resistant PA6 / PP alloy for automotive interior parts in Example 3 was obtained.

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Abstract

The invention discloses an anti-aging and high temperature resistant PA6 (polyamide 6) / PP (polypropylene) alloy for automotive interior parts and a preparation method thereof. The anti-aging and high temperature resistant PA6 / PP alloy comprises the following components in parts by weight: 100 parts of PA6, 80-120 parts of PP, 0.2-4 parts of anti-aging agent and 0.5-2 parts of heat stabilizer. The anti-aging and high temperature resistant PA6 / PP alloy is low in production cost, has good processability, aging resistance and high temperature resistance, is environment-friendly, and is especially suitable for preparing various automotive interior parts through injection molding.

Description

technical field [0001] The invention belongs to the technical field of chemical materials, and in particular relates to a modified PA6 / PP alloy and a preparation method thereof, in particular to an anti-aging and high-temperature resistant PA6 / PP alloy for automotive interior parts and a preparation method thereof. Background technique [0002] The automobile industry has become one of the important pillar industries of my country's national economy. With the development of the economy, due to the comprehensive consideration of energy, environment, economy, and benefits, the high-speed and light-weight transportation tools such as automobiles and railways The increasingly high level of quantification has prompted a substantial increase in the use of plastics in automotive and other industrial fields, especially plastic alloys with high performance and low prices will receive increasing attention. [0003] PA6, also known as Nylon 6, is a translucent or opaque milky white part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L23/12C08K5/372C08K5/134C08K5/132C08K5/3475C08K5/098C08K5/37C08K5/101C08K5/17
CPCC08L77/02C08L2201/08C08L23/12C08K5/005C08K5/098C08K5/372C08K5/1345C08K5/132C08K5/3475C08K5/37C08K5/101C08K5/175
Inventor 陈斌张荣福印玲谢庆利
Owner SHANDONG HANSHI AUTOMOTIVE COMPONENTS