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Organohybrid-based damping material, method for producing the same, and method for damping using the same
Organohybrid-based damping material, method for producing the same, and method for damping using the same
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机译:基于有机杂化物的阻尼材料,其制造方法以及使用该材料的阻尼方法
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摘要
The present invention provides a damping composite material, exhibiting more stable and functional damping effects than the conventional one based on the viscous or frictional mechanism to convert mechanical vibrational energy into thermal energy, and also provide a method for producing the same.;The damping material of the present invention comprises at least a material showing piezoelectric, dielectric and electroconductive effects, and an organic polymer matrix material, wherein the material showing piezoelectric, dielectric and electroconductive effects is a compound containing a phenolic group, and the method of the present invention for producing the damping material comprises two steps, one uniformly mixing the material showing piezoelectric, dielectric and electroconductive effects with the organic polymer matrix material at normal temperature or higher, and the other forming the mixture by pressing or drawing at high temperature.;The materials showing piezoelectric, dielectric and electroconductive effects, and useful for the present invention, include 4,4′-thio-bis(3-methyl-6-tertiary butylphenol) and 2,2′-methylene-bis(4-ethyl-6-tertiary butylphenol), and the organic polymer matrix materials useful for the present invention include polyurethane and acrylic rubber.;The damping material of the present invention may be formed into sheet, fiber or expanded shapes, which may be laminated or composited.
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