Polypropylene composite material with characteristics of low odor, scratch resistance and low gloss, and preparation method thereof

A composite material and scratch-resistant technology, applied in the field of polypropylene composite material and its preparation, can solve the problems of complicated process, influence on the mechanical properties of materials, low odor, etc., achieve simple and easy control of the preparation process, and increase the blending compatibility. , the effect of improving scratch resistance

Active Publication Date: 2018-12-18
WUHAN JINFA TECH CO LTD +1
View PDF14 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chinese patent CN 106317743A discloses a high-flow, low-odor, scratch-resistant polypropylene material for automotive interiors and a preparation method thereof, which uses a side-feeding method to add basic magnesium sulfate whiskers to enhance scratch resistance, but This method is more complicated
[0005] Chinese patent CN 102040766A discloses a low-odor and scratch-resistant mineral-filled polypropylene compound and its preparation method. The added scratch-resistant agent and compatibilizer have a high proportion, which affects the mechanical properties of the material; mineral filling only specifies talcum powder, and specifies narrow range
[0006] Chinese patent CN 105754211A discloses a low-odor, low-VOC modified polypropylene and its preparation method, without adding HDPE to the formula, and without mentioning the improvement of scratch resistance and low gloss
In order to meet the above requirements, people often need to add mineral fillers, rubber or inorganic matting agents to the polypropylene composition, but the above methods usually reduce the mechanical properties or matting properties of the product
The current patent has not yet given a good solution

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Polypropylene composite material with characteristics of low odor, scratch resistance and low gloss, and preparation method thereof
  • Polypropylene composite material with characteristics of low odor, scratch resistance and low gloss, and preparation method thereof
  • Polypropylene composite material with characteristics of low odor, scratch resistance and low gloss, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-11 and comparative example 1-7

[0056] Examples 1-11 and Comparative Examples 1-7: Preparation of Polypropylene Composite Materials with Low Odor, Scratch Resistance and Low Gloss Properties

[0057] Put PP resin, HDPE resin, anti-scratch agent, adsorbent, inorganic powder, antioxidant, lubricant, toughening agent, and other processing aids into the mixer in sequence according to the ratio in Table 2, and mix for 3min-5min. Obtain the premixed material; pour the obtained premixed material into the hopper of the extruder, enter the screw barrel of the extruder through the feeding port, and extrude and granulate after kneading, plasticizing and melting in the extruder, extruding The structural feature of the machine is that the water injection port is opened in the 2-5 zone to inject pure water, and the double vacuum system in the 5-8 zone and the 8-11 zone is vacuumed; the vacuum degree of the double vacuum system is ≥0.08MPa, and the water injection ratio is resin 1%-10% of the total weight of the granulated...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a polypropylene composite material with characteristics of low odor, scratch resistance and low gloss, and a preparation method thereof, wherein the polypropylene composite material comprises 50-90 parts of a PP resin, 5-25 parts of a HDPE resin, 0.5-3 parts of a scratch-resistant agent, 0.2-5 parts of an adsorbent, and 2-40 parts of inorganic powder. According to the present invention, the blending compatibility is increased by adding the HDPE, the co-action is achieved with the scratch-resistant agent so as to improve the scratch resistance, the low odor of the composite material is further improved by adding the water injection / drying process and the adsorbent, and the gloss of the composite material is reduced by filling with the inorganic powder, such that thepolypropylene composite material having the balance among the low odor, the scratch resistance and the low gloss can be achieved under the premise of the substantially unchanged mechanical properties;the composite material has the excellent comprehensive performance, and can be suitable for the production of vehicle interior decoration parts; and the preparation method has characteristics of simple and easily-controlled preparation process, low production cost and stable product performance, and is suitable for industrial scale production.

Description

technical field [0001] The invention relates to the technical field of polymer material processing, in particular to a polypropylene composite material with low odor, scratch resistance and low gloss properties and a preparation method thereof. Background technique [0002] With the continuous improvement of automobile lightweight demand, polypropylene materials are widely used in automobile parts, including bumpers, instrument panels, door panels, pillars, etc., due to their low specific gravity, excellent mechanical properties, low cost, and easy processing. At present, people's awareness of environmental protection is increasing day by day, and the quality of life requirements are getting higher and higher, which puts forward higher requirements for the comfort of the car environment. The low-odor, scratch-resistant and low-gloss functions of polypropylene materials can respectively help to improve the healthy environment inside the car, maintain the interior beauty and i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C08L23/12C08L23/14C08L23/06C08L23/08C08K13/02C08K5/20C08K3/34C08K5/098
CPCC08K2201/003C08K2201/014C08L23/12C08L23/14C08L2205/035C08L2207/062C08L23/06C08L23/0869C08K13/02C08K5/20C08K3/34C08K5/098
Inventor 陈胜杰程文超陈瑶李禹函熊值周英辉
Owner WUHAN JINFA TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products