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Thermoplastic composite board

A composite sheet and thermoplastic technology, which is applied in the direction of synthetic resin layered products, layered products, glass/slag layered products, etc., can solve the problems of applications that cannot meet high performance and low material performance, and achieve the expansion of application capabilities, The effect of improving the molding ability

Pending Publication Date: 2021-03-26
GUANGZHOU KINGFA CARBON FIBER NEW MATERIALS DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Continuous fiber-reinforced composite panels have high performance, but the application of post-molding will be limited in many ways, and can only be used for parts with relatively simple structures
Discontinuous fiber reinforced composite panels have a wide range of applications and can be used in complex structures, but the performance of the material is low and cannot meet high-performance applications

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The first layer is made of continuous glass fiber reinforced PP, which is composed of four layers of unidirectional continuous glass fiber reinforced PP prepreg layered in the direction of 0° / 90° / 90° / 0°, and the thickness of the single layer prepreg is 0.25 mm, the total thickness is 1mm, the second layer is made of discontinuous glass fiber reinforced PP material, the thickness is 0.5mm, the third layer is made of pure PP resin board, the thickness is 1mm, the fourth layer is made of discontinuous glass fiber reinforced PP material, the thickness is 0.5mm , the fifth layer is made of continuous glass fiber reinforced PP, which is composed of four layers of unidirectional continuous glass fiber reinforced PP prepreg layered in the direction of 0° / 90° / 90° / 0°, and the thickness of the single layer prepreg is 0.25mm, the total thickness is 1mm, the total thickness of the composite material of this structural design is 4mm, the continuous glass fiber reinforced layer is on t...

Embodiment 2

[0020] The first layer is made of non-continuous glass fiber reinforced PA material with a thickness of 0.5mm, and the second layer is made of continuous glass fiber reinforced PA. It consists of 8 layers of unidirectional continuous glass fiber reinforced PA prepreg according to 0° / 90° / 0° / 90° / 90° / 0° / 90° / 0° direction layup, the thickness of single layer prepreg is 0.25mm, the total thickness is 2mm, the third layer is made of discontinuous glass fiber reinforced PA material, the total thickness is 0.5mm The thickness is 3mm, and the thickness of discontinuous glass fiber reinforced PA in the outermost layer is small, but it ensures the excellent molding process of the material, and the central material is continuous glass fiber reinforced PA, which ensures the mechanical properties of the material. The bending strength is 350MPa, and the bending modulus is 20GPa, which can be used for parts with complex structures and high surface effects;

Embodiment 3

[0022] The first layer is made of continuous glass fiber reinforced PP, and 8 layers of unidirectional continuous glass fiber reinforced PP prepreg are laid in the direction of 0° / 90° / 0° / 90° / 90° / 0° / 90° / 0° Layer composition, the thickness of single-layer prepreg is 0.15mm, and the total thickness is 1.2mm. The second layer is made of recycled PP resin board with a thickness of 1mm. The third layer is made of continuous glass fiber reinforced PP, consisting of 8 layers of unidirectional continuous glass The fiber-reinforced PP prepreg is composed of layers in the direction of 0° / 90° / 0° / 90°. The thickness of the single-layer prepreg is 0.15mm and the total thickness is 1.2mm. The total thickness of this material structure is 3.4mm. The use of continuous glass fiber to reinforce PP ensures that the mechanical properties of the material will not be lost too much. The bending strength of the material is 320MPa, and the bending modulus is 18GPa. The cost plays a role in low-carbon an...

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Abstract

The invention provides a thermoplastic composite board, and relates to the technical field of thermoplastic composite materials. The thermoplastic composite board comprises a first base plate, a second base plate is fixedly arranged on the outer surface of one side of the first base plate, and a third base plate is fixedly arranged on the outer surface of one side of the first base plate. According to the thermoplastic composite board, under the condition that the overall performance of the material is basically not greatly influenced, the application capacity of the material is expanded, theforming capacity of the material is improved, various complex structures can also adopt a scheme of thermoplastic composite materials, and the middle layer can adopt recycled materials, so that the effects of resource recycling and environmental protection, as well as the low-carbon and environment-friendly effects are achieved.

Description

technical field [0001] The invention relates to the technical field of thermoplastic composite materials, in particular to a thermoplastic composite board. Background technique [0002] At present, in the traditional thermoplastic fiber-reinforced composite sheet, it is generally a continuous fiber-reinforced composite sheet or a discontinuous fiber-reinforced composite sheet. Continuous fiber-reinforced composite panels have high performance, but the application of post-molding will be limited in many ways, and can only be used for parts with relatively simple structures. Discontinuous fiber-reinforced composite panels have a wide range of applications and can be used in complex structures, but the performance of the material is low and cannot meet high-performance applications. [0003] To sum up, the development of a thermoplastic composite sheet is still a key problem that needs to be solved urgently in the technical field of thermoplastic composite materials. Content...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B9/00B32B9/04B32B27/12B32B27/32B32B27/34B32B27/36B32B17/02B32B17/10B32B33/00
CPCB32B5/02B32B5/12B32B27/12B32B27/32B32B27/34B32B27/36B32B9/045B32B17/10B32B33/00B32B2262/101B32B2262/10B32B2262/106
Inventor 蒲颖范欣愉熊鑫肖鹏邓荣坚
Owner GUANGZHOU KINGFA CARBON FIBER NEW MATERIALS DEV
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