Metallic long-fiber reinforced polypropylene material special for automobile pedal and preparation method thereof

A technology of automobile pedals and metal texture, which is applied in the field of engineering plastic modification in polymer materials, can solve the problems of poor appearance and visual effects, achieve strong weather resistance, improve comprehensive performance, and reduce the cost of secondary processing and assembly processes Effect

Pending Publication Date: 2020-07-31
SHENZHEN FUHENG PLASTICS PIGMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of functionalized polypropylene materials in automobiles is also increasing, such as high heat resistance, weather resistance, high rigidity and metallic texture have gradually become the mainstream. The current automobile pedal materials use traditional LFT reinforced PP material has poor appearance and visual effect. In order to meet the differentiated needs of the market, often in the production process, assembly and adding metal inserts or secondary processing and painting can meet market demand.

Method used

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  • Metallic long-fiber reinforced polypropylene material special for automobile pedal and preparation method thereof
  • Metallic long-fiber reinforced polypropylene material special for automobile pedal and preparation method thereof
  • Metallic long-fiber reinforced polypropylene material special for automobile pedal and preparation method thereof

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preparation example Construction

[0031] The invention also discloses a method for preparing a special metal texture long fiber reinforced polypropylene material for automobile pedals, including:

[0032] Step 1. Weigh polypropylene, compatibilizer, metal powder, antioxidant, anti-UV agent, lubricant, glass fiber and glass fiber exposure prevention agent successively according to the formula ratio of the aforementioned mass parts, and weigh the Each component of the mixture is stirred at high speed in a high-speed mixer for 3 to 5 minutes to obtain a premix;

[0033] Step 2. Melt and extrude the polymer obtained in step 1 through a twin-screw extruder, and directly introduce it into the infiltration device, and at the same time, introduce the glass fiber into the infiltration device. After the glass fiber is soaked and coated with the polymer in the infiltration device , derived from the diameter of the round hole of the infiltration device, after water cooling, air-drying, and pelletizing, the polypropylene c...

Embodiment 1

[0036] The components and parts by mass of the metal-textured long-fiber reinforced polypropylene material for automobile pedals are as follows:

[0037]

[0038] The production steps are:

[0039] Step 1. Take polypropylene, compatibilizer, metal powder, antioxidant, anti-UV agent, lubricant, glass fiber and anti-glass fiber exposure agent in sequence according to the above formula ratio, and put the weighed components in a high-speed mixer Stir at medium and high speed for 3 to 5 minutes to obtain a premix;

[0040] Step 2. Melt and extrude the polymer obtained in step 1 through a twin-screw extruder, and directly introduce it into the infiltration device, and at the same time, introduce the glass fiber into the infiltration device. After the glass fiber is soaked and coated with the polymer in the infiltration device , derived from the diameter of the round hole of the infiltration device, after water cooling, air-drying, and pelletizing, the polypropylene composite mat...

Embodiment 2

[0044] The components and parts by mass of the metal-textured long-fiber reinforced polypropylene material for automobile pedals are as follows:

[0045]

[0046] The production steps are:

[0047] Step 1. Take polypropylene, compatibilizer, metal powder, antioxidant, anti-UV agent, lubricant, glass fiber and anti-glass fiber exposure agent in sequence according to the above formula ratio, and put the weighed components in a high-speed mixer Stir at medium and high speed for 3 to 5 minutes to obtain a premix;

[0048] Step 2. Melt and extrude the polymer from the premix obtained in step 1 through a twin-screw extruder, and directly introduce it into the infiltration device, and at the same time introduce the glass fiber into the infiltration device. After the glass fiber is soaked and coated with the polymer in the infiltration device , derived from the diameter of the round hole of the infiltration device, after water cooling, air drying, and pelletizing, the polypropylen...

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Abstract

The invention relates to a metallic long-fiber reinforced polypropylene material special for an automobile pedal. The long-fiber reinforced polypropylene material comprises the following components inparts by mass: 50-70 parts of polypropylene; 5-15 parts of a compatilizer; 1-2 parts of metal powder; 0.2 to 1 part of an antioxidant; 0.3 to 1 part of an anti-UV agent; 0.5-1 part of a lubricant; 20to 30 parts of glass fibers; and 0.5-1 part of a glass fiber exposure preventing agent. A preparation method of the material comprises the following steps: proportionally mixing the components, stirring at a high speed for 3-5 minutes to obtain a mixture, adding the mixture into a twin-screw extruder, carrying out melt extrusion, feeding the mixture into a glass fiber infiltration mold, adding the glass fibers through the infiltration mold, sufficiently infiltrating, cooling with water, cooling with air, and granulating. The material prepared by the invention has excellent comprehensive properties such as metal texture effect, good weather resistance, high impact resistance, high rigidity and the like.

Description

[technical field] [0001] The invention relates to a special metal texture long fiber reinforced polypropylene material for automobile pedals and a preparation method thereof, which belongs to the technical field of engineering plastic modification in polymer materials. [Background technique] [0002] With the rapid development of the automobile industry in recent years, lightweight, high quality, energy saving, environmental protection, and functionalization have become the main goals of the current automobile industry. Polypropylene is a general-purpose thermoplastic with excellent comprehensive performance. It has the characteristics of low price, light weight, solvent resistance, easy recycling, and non-toxicity. It is the most important lightweight material for automobiles. It can reduce the weight of auto parts by about 40%. Quality, has been widely used in automotive trim. The application of functionalized polypropylene materials in automobiles is also increasing, suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L51/06C08K13/04C08K7/14C08K3/08C08K5/527C08K5/526C08K5/134C08K5/3435C08J5/10
CPCC08J5/10C08J5/043C08J2323/12C08J2451/06C08K13/04C08K7/14C08K2003/0812C08K2003/0806C08K5/527C08K5/526C08K5/1345C08K5/3435
Inventor 莫树高姚秀珠刘明
Owner SHENZHEN FUHENG PLASTICS PIGMENT
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