Preparation method of three-dimensional woven rubber coating carbon-fiber-reinforced composite material

A technology for reinforcing composite materials and rubber coatings, applied in the directions of carbon fiber, fiber processing, textiles and paper making, etc., can solve the problems of small adjustable range, poor mechanical properties, affecting use, etc., to achieve simple equipment, less material loss, The effect of high production efficiency

Inactive Publication Date: 2015-04-08
TIANJIN UNIV
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Problems solved by technology

However, these methods have their own shortcomings: the adjustable range of changing the fiber orientation is small, and the carbon fiber and aramid fiber are laminated and mixed or the surface of the composite material is added with a damping layer, which is prone to delamination during the loading process, resulting in mechanical properties become worse, thereby affecting its use

Method used

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  • Preparation method of three-dimensional woven rubber coating carbon-fiber-reinforced composite material
  • Preparation method of three-dimensional woven rubber coating carbon-fiber-reinforced composite material
  • Preparation method of three-dimensional woven rubber coating carbon-fiber-reinforced composite material

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preparation example Construction

[0027] The present invention proposes a preparation method of a three-dimensional braided rubber-coated carbon fiber reinforced composite material, comprising the following steps:

[0028] (1) Preparation of filler mixture: firstly mix 0.96-1.44g of filler (including: vulcanization active agent zinc oxide 0.4-0.6g, stearic acid 0.08-0.12g; antioxidant RD and 4010NA each 0.16-0.24g; vulcanizing agent DCP 0.04-0.06g, sulfur 0.12-0.18g; accelerator CZ 0.12-0.18g, TMTD 0.04-0.06g) mixed, crushed, milled, and sieved to about 100 mesh to obtain filler mixed powder. Then immerse it in 48-72mL of a mixed solvent of ethyl acetate and cyclohexanone (the volume ratio of the two is 2:3), and ultrasonically disperse for 30min to obtain a filler mixed solution.

[0029] (2) Preparation of nitrile rubber raw rubber mixture: Weigh 8-12g of powdered nitrile rubber raw rubber, place it in a 250mL beaker, and measure 24-36mL of the mixed solvent of ethyl acetate and cyclohexanone (both volumes ...

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Abstract

The invention provides a preparation method of a three-dimensional woven rubber coating carbon-fiber-reinforced composite material, which comprises the following steps: preparing filler mixed powder; preparing a filler mixed solution; preparing an unvulcanized nitrile-butadiene rubber mixed solution; preparing nitrile-butadiene rubber mixed rubber cement; taking the dissolved unvulcanized nitrile-butadiene rubber mixed solution, and pouring the filler mixed solution while stirring; sequentially adding plasticizers DOA and DOS to obtain yellow viscous nitrile-butadiene rubber mixed rubber cement; preparing a rubber coating carbon fiber fabric; and preparing a damping composite material. The behaviors of the fiber-rubber interface and rubber-base interface are adjusted to implement the organic connection between the fiber and base, thereby obtaining the three-dimensional woven composite material with excellent damping characteristic.

Description

technical field [0001] The invention belongs to the field of composite materials and relates to a three-dimensional braided rubber-coated carbon fiber reinforced composite material. Background technique [0002] In the 1860s, in order to meet the technical needs of aerospace cutting-edge fields, advanced composite materials with carbon fiber as reinforcement came into being. High-performance fiber-reinforced resin-based composites have outstanding characteristics such as high strength, high stiffness, light weight, and good designability, and have broad application prospects as structural materials. However, during its use, composite materials will inevitably bear large mechanical vibration loads, especially in high-speed and high-load situations. Therefore, research and development of new structure-function integrated high-performance damping materials are used in military, aerospace , high-speed trains and other fields are of great significance. [0003] At present, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08G59/42C08K9/04C08K7/06B29C70/48D06M15/693D06M11/44D06M13/188D06M11/52D06M101/40
Inventor 何芳高飞丘晓文黄远
Owner TIANJIN UNIV
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