Low VOC polypropylene composite material and preparation and application thereof

A composite material and polypropylene technology, applied in the field of low-VOC polypropylene composite materials and their preparation and application, can solve the problems of poor VOC removal, short mixing time, difficult compatibility of polypropylene resin, etc., and achieve clean vacuum devolatilization , Strong operability, rich foam effect

Inactive Publication Date: 2014-02-12
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Patent CN101691435B prepares a low-VOC high-performance PP composite material for automotive interior parts by selecting low-VOC hydrogen-tuned polypropylene, but it limits the application of polypropylene materials and is not conducive to the elimination of VOC generated during the preparation process
Patent CN101817953B adds an inorganic porous odor adsorbent to prepare a low-emission modified polypropylene composite material, but this method has analysis and balance problems and is not conducive to the elimination of VOC
Patent CN101255252B disc

Method used

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Embodiment Construction

[0034] In order to better understand the present invention, the present invention will be further described below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0035] The preparation method of following embodiment is as follows:

[0036] (1) Weigh polypropylene, toughening agent, filler, odor remover, anti-scratch agent, antioxidant, light stabilizer and lubricant according to the proportion, and add them into a high-speed mixer and mix them at a high speed for 2-10 minutes;

[0037] (2) Put the mixed materials into a parallel twin-screw extruder to melt, extrude and granulate to obtain a modified polypropylene composite material; wherein the barrel temperature of the extruder is 180-230°C, and the screw speed is 400 -600r / min, the melt pressure is 1.5-2.5MPa, and the vacuum degree is -0.04~0.1MPa.

[0038] Wherein, the polypropylene used is a mixture of homopolypropylene and copolymerized polypropylene in a weight ratio...

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Abstract

The invention discloses a low VOC polypropylene composite material and a preparation method and an application thereof. The material is prepared by polypropylene, a filling agent, a smell removing agent, a scraping-proof agent, an antioxygen, a weather-proof agent and a lubricating agent according to part by weight, wherein the smell removing agent is a water-based solution of a polymer surfactant which is adsorbed on a polypropylene carrier; the used smell removing agent is a novel smell removing agent, the melting point of the smell removing agent is 160 DEG C, the boiling point is higher than 100 DEG C; the smell removing agent has the characteristic that the dispersion is uniform, lots of foam of the fused smell removing agent is generated in an extrusion mixing process, the vacuum devolatilization is clean, residue is not generated and the like. The prepared low VOC polypropylene composite material has the characteristics of being UV resistant, scraping resistant, light in smell, less in the VOC residual volume and the like, and is mainly used on automotive trim materials such as an instrument desk, a door plate and a stand column of an automobile.

Description

technical field [0001] The invention relates to the field of automotive modified materials, in particular to a low-VOC polypropylene composite material and its preparation and application. [0002] Background technique [0003] Polypropylene modified materials are widely used in automotive interior parts, including main and auxiliary instrument panels, door panels and pillars, due to their good physical and mechanical properties and processing properties. However, polypropylene modified materials will produce volatile organic compounds (VOC) such as benzene, aldehydes and amines during the synthesis of raw materials, processing and aging, which are harmful to human health. Therefore, in order to reduce the VOC content in special materials for automotive interior decoration, it is necessary to control the raw materials and processing technology. [0004] Patent CN101691435B prepares a low-VOC high-performance PP composite material for automotive interior parts by selecting ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/14
CPCC08L23/14C08L2205/03C08L2205/035
Inventor 闫溥周素蓉林经萍李荣群王刚李停停
Owner ORINKO NEW MATERIAL CO LTD
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