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Highly-filled enhanced special material for automobile engine cover plate

A technology for automobile engines and special materials, applied in the chemical industry, can solve the problems of high cost, low flexural modulus and poor mechanical strength of engine cover plates, and achieve the effects of good toughness, good hardness and improved thermal conductivity.

Inactive Publication Date: 2017-09-01
KUNSHAN MAOGAO PLASTIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned technical problems, the present invention provides a high-filling and reinforced special material for automobile engine cover plates. Aiming at the deficiencies in the prior art, PA6 is used as the basic material, combined with high-modulus fillers and toughening agents, and solves the problem. The traditional engine cover has high cost, low flexural modulus, poor mechanical strength and poor plasticity

Method used

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  • Highly-filled enhanced special material for automobile engine cover plate
  • Highly-filled enhanced special material for automobile engine cover plate
  • Highly-filled enhanced special material for automobile engine cover plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A special material for highly filled and reinforced automobile engine covers, including the following raw materials measured in parts by mass:

[0015]

[0016] Wherein, the toughening agent is maleic anhydride grafted POE. The high modulus filler is a mixture of carbon fiber, aluminum oxide powder, nano carbon powder and talcum powder. The mass ratio of carbon fiber, alumina powder, nano-carbon powder and talcum powder in the high modulus filler is 2:1:1:4. The alumina powder is spherical alumina powder, and the particle size of the alumina powder is above 400 mesh. The auxiliary agents are lubricants and antioxidants.

Embodiment 2

[0018] A special material for highly filled and reinforced automobile engine covers, including the following raw materials measured in parts by mass:

[0019]

[0020] Wherein, the toughening agent is maleic anhydride grafted POE. The high modulus filler is a mixture of carbon fiber, aluminum oxide powder, nano carbon powder and talcum powder. The mass ratio of carbon fiber, alumina powder, nano-carbon powder and talcum powder in the high modulus filler is 2:1:1:4. The alumina powder is spherical alumina powder, and the particle size of the alumina powder is above 400 mesh. The auxiliary agents are lubricants, defoamers and flame retardants.

Embodiment 3

[0022] A special material for highly filled and reinforced automobile engine covers, including the following raw materials measured in parts by mass:

[0023]

[0024] Wherein, the toughening agent is maleic anhydride grafted POE. The high modulus filler is a mixture of carbon fiber, aluminum oxide powder, nano carbon powder and talcum powder. The mass ratio of carbon fiber, alumina powder, nano-carbon powder and talcum powder in the high modulus filler is 2:1:1:4. The alumina powder is spherical alumina powder, and the particle size of the alumina powder is above 400 mesh. The auxiliary agents are lubricants, antioxidants and flame retardants.

[0025] The preparation process of the present invention: prepare the raw materials according to Example 1-3, first dry the PA6 raw material with hot air, then add the remaining raw materials, shake and stir evenly through a vibrating mixer, then extrude and granulate through a screw extruder, and then cool through a water tank ,...

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Abstract

The invention discloses a highly-filled enhanced special material for an automobile engine cover plate. The highly-filled enhanced special material is characterized by comprising the following raw materials in parts by mass: 55-65 parts of PA6, 5-7 parts of a flexibilizer, 35-40 parts of a high modulus filling agent and 1.0-1.5 parts of aids. The preparation method disclosed by the invention comprises the following steps: taking PA6 as a basic material, matching PA6 with the high modulus filling agent, the flexibilizer and other aids, performing twin-screw mixing, and performing extrusion granulation, thereby obtaining the finished raw material. The material disclosed by the invention has the characteristics of high modulus, high toughness, high mechanical strength, excellent flowing property and the like, and is suitable for production and processing of products such as automobile engine cover plates and the like.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a special material for highly filled and reinforced automobile engine cover plates. Background technique [0002] The improvement of people's consumption ability has led to the rapid development of the automobile industry, among which the growth of passenger cars is particularly rapid. To resist extreme cold and extreme heat, but also to protect the safety of drivers and passengers. The engine cover is one of the main parts of the car. The raw materials of the traditional engine cover are all imported, the cost is high, and there are problems of small flexural modulus, poor mechanical strength, and poor plasticity. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a high-filling and reinforced special material for automobile engine cover plates. Aiming at the deficiencies in the prior art, PA6 is used a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L51/06C08K13/04C08K7/06C08K7/18C08K3/04C08K3/34
CPCC08L77/02C08K2201/003C08K2201/011C08L51/06C08K13/04C08K7/06C08K7/18C08K3/04C08K3/34
Inventor 逯树青刘敏
Owner KUNSHAN MAOGAO PLASTIC TECH CO LTD