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Manufacturing method for structural component and structural component

A manufacturing method and technology for structural parts, which are applied in the field of composite material structural parts manufacturing, can solve problems such as inability to apply thermoplastic resin, and achieve the effects of convenient manufacturing, high reliability and high production efficiency

Pending Publication Date: 2021-03-26
COVESTRO DEUTSCHLAND AG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the scheme disclosed in CN109177209A cannot be applied to thermoplastic resins such as polycarbonate (PC) and polycarbonate blend (PC Blend)

Method used

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  • Manufacturing method for structural component and structural component
  • Manufacturing method for structural component and structural component
  • Manufacturing method for structural component and structural component

Examples

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Embodiment Construction

[0049] Preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings. Those skilled in the art will understand that these descriptions are only descriptive and exemplary, and should not be construed as limiting the protection scope of the present application.

[0050] First of all, it should be noted that the orientation terms such as top, bottom, upward, and downward mentioned in this article are defined relative to the directions in each drawing, and they are relative concepts, and therefore can be defined according to their It varies with different positions and different practical states. Accordingly, these or other directional terms should not be construed as limiting terms.

[0051] In addition, it should also be noted that for any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the drawings, these technical features (or their equ...

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Abstract

The invention provides a manufacturing method of a structural component and the structural component. The manufacturing method comprises the following steps: (1) melting a raw material comprising polycarbonate or a mixture of polycarbonate and acrylonitrile-butadiene-styrene, mixing with fibers, extruding and cutting into a preformed blank with a preset length; (2) keeping the preformed blank at aheat preservation temperature and conveying the preformed blank before compression molding; and (3) conveying the preformed blank to a molding press and carrying out compression molding to form the structural component, wherein the temperature of the preformed blank is 240-320 DEG C, the heat preservation temperature is 200-280 DEG C, and the structural component is configured to have a projection area greater than or equal to 1 square meter in at least one projection direction. The manufacturing method has the advantages of being simple, reliable, convenient to implement, high in efficiencyand the like; and the structural component has the advantages of being small in density, high in strength, good in mechanical performance, resistant to high temperature, good in flame retardance and the like, and is suitable for an upper shell of an electric automobile battery pack.

Description

technical field [0001] The present application relates to the field of fabrication of composite structural components. More specifically, this application relates to a manufacturing method of polycarbonate or polycarbonate blends for the manufacture of structural components, intended to be produced in large-scale Structural components. The present application also relates to a structural component manufactured according to the manufacturing method described above. Background technique [0002] Many applications require the use of large-scale structural components, for example, the upper housing of an electric vehicle battery pack. Power battery pack components need to meet several national standard tests, such as external flame exposure combustion test (GB / T 31467.3) and airtight test (for example, at 3.5KPa), etc. Therefore, the materials commonly used to manufacture the upper casing of the battery pack include metal (such as steel or aluminum alloy), thermosetting resin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/02B29C43/52C08L69/00C08L55/02C08L23/12C08K7/14
CPCB29C43/003B29C43/02B29C43/52C08L69/00C08L55/02C08K7/14C08L23/12
Inventor 杨帆王永刚
Owner COVESTRO DEUTSCHLAND AG
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