Method for preparing MWNTs hybridized CF/EP laminated wood composite material
A technology of composite materials and laminates, applied in chemical instruments and methods, layered products, synthetic resin layered products, etc., can solve the problem that the interface bonding performance between carbon fiber and matrix resin cannot meet expectations, limit the application of carbon fiber composite materials, and is not easy The matrix forms a good interface and other issues to achieve the effect of improving the interface bonding performance, improving the surface performance and improving the mechanical properties
Active Publication Date: 2012-11-14
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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[0005] In view of the fact that the interfacial bonding performance between carbon fiber and matrix resin in the prior art cannot meet the expected requirements, which greatly limits the application of carbon fiber composite materials, the purpose of the present invention is to provide a kind of MWNTs hybrid CF / EP laminate composite material. The preparation method solves the problem that the carbon fiber has poor surface properties and is difficult to form a good interface with the matrix
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[0018] In order to make the preparation method of a MWNTs hybrid CF / EP laminate composite material of the present invention easier to understand its substantive features and its practicability, a specific embodiment of the present invention will be further described in detail below in conjunction with the accompanying drawings . But the following descriptions and illustrations about the embodiments do not constitute any limitation to the protection scope of the present invention.
[0019] In order to solve the problem of poor surface performance of carbon fiber, it is difficult to form a good interface with the matrix. The present invention provides a preparation method of composite materials, which adopts the strategy of introducing MWNTs in the process of CF / EP composite materials: that is, the MWNTs dispersion is sprayed on carbon fiber fabrics to improve the surface properties of carbon fiber fabrics, thereby improving the relationship between it and the resin matrix. int...
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The invention provides a method for preparing a multi-walled carbon nanotubes (MWNTs) hybridized CF / EF laminated wood composite material. The method is characterized by comprising the following steps: selecting dispersant matched with the MWNTs; treating the dispersant added with the MWNTs by ultrasonic to acquire uniformly dispersed MWNTs dispersion; uniformly spraying the MWNTs dispersion on a carbon fiber fabric by using a sprayer; and molding the fabric with epoxy resin by hot press after drying to finally prepare the MWNTs hybridized CF / EP laminated wood composite material. The method introduces the MWNTs in a CF / EP composite material manufacturing process to improve the surface performance of the carbon fiber fabric, so that the interface bonding performance between the CF / EP composite material and a resin substrate can be improved, and the mechanical performance of the composite material can be further improved. Meanwhile, the method establishes a foundation for preparing the novel ultra-light super-strength nanometer composite material with better mechanical performance.
Description
technical field [0001] The invention relates to an industrial preparation of a carbon fiber composite material, in particular to a preparation method for obviously improving the mechanical properties of the CF / EP laminate composite material by adopting MWNTs hybridized CF / EP laminate composite material. Background technique [0002] Carbon fiber has the characteristics of low density, high specific strength, high specific modulus, and chemical corrosion resistance. Composite materials using carbon fiber as reinforcement have been widely used in many fields such as aerospace, national defense and construction. In particular, carbon fiber reinforced resin-based composite materials have good comprehensive performance, wide adaptability and wide application. [0003] The performance of carbon fiber composites mainly depends on the mechanical properties of the fibers and the matrix itself, the surface properties of the fibers, and the interface between the fibers and the matrix. ...
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IPC IPC(8): B32B9/04B32B27/12B32B27/38
Inventor 张艳华金赫华李清文温晓南陈宏源徐耿陈名海
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI