Preparation method of high-strength conductive nylon product
A nylon and product technology, applied in the field of functional polymer materials, can solve the problems of low wettability, difficulty in obtaining high strength and electrical functions, and poor interface adhesion.
Inactive Publication Date: 2021-07-23
YANGZHOU UNIV
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Problems solved by technology
However, due to its surface oleophobicity, excessive smoothness, chemical inertness, stable non-polarity and low wettability, the prepared carbon fiber / polymer products have the problems of poor dispersion of CF in the matrix and poor interfacial adhesion, making it difficult to Obtain the expected high strength and electrical function
Method used
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Embodiment 1
[0022] 80 parts by mass of nylon 6 and 20 parts by mass of M-CCF are extruded and granulated by twin-screw to obtain high-strength conductive nylon particles.
Embodiment 2
[0024] 70 parts by mass of nylon 66 and 30 parts by mass of M-CCF were extruded and granulated by twin-screw to obtain high-strength conductive nylon particles.
Embodiment 3
[0026] 75 parts by mass of high-temperature-resistant nylon PPA and 25 parts by mass of M-CCF are extruded and granulated by twin-screw to obtain high-strength conductive nylon particles.
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The invention discloses a preparation method of a high-strength conductive nylon product and belongs to the technical field of functional polymer materials. Mixing nylon and the continuous carbon fiber with the surface modified by the urethane functional group, and granulating to obtain high-strength conductive nylon particles; and then the high-strength conductive nylon particles are subjected to mold pressing, extrusion or injection molding to obtain the high-strength conductive nylon product, the high-strength conductive nylon product has more excellent conductivity and mechanical properties, the surface resistance of the product is 102-104 [omega], and the product is not influenced by mold pressing, extrusion or injection molding processes.
Description
technical field [0001] The invention relates to the preparation technology of conductive nylon products and belongs to the technical field of functional polymer materials. Background technique [0002] With the rapid development of information technology and electronics industry, conductive polymer materials have attracted more and more attention due to their excellent mechanical properties and easy processing. Among them, compared with intrinsic conductive polymer materials, composite conductive polymer materials have the advantages of low preparation cost, easy processing, corrosion resistance, wear resistance, and adjustable resistivity in sensors, microelectrodes, electromagnetic shielding materials, electrostatic spraying, etc. Materials, automotive engineering parts and other fields are widely used. For example, the demand for high-strength conductive nylon with a surface resistance within 1000 Ω is increasing in the field of robotic equipment. [0003] The conductiv...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C08L77/06C08L77/02C08K9/04C08K7/06
CPCC08K9/08C08K7/06C08K2201/001C08L77/02C08L77/06
Inventor 朱爱萍申维新徐培兴毛正和
Owner YANGZHOU UNIV