Preparation method of high-modulus and high-damping composite

A composite material, high damping technology, applied in the field of composite material preparation, to achieve the effect of improving compatibility

Inactive Publication Date: 2013-04-03
周元林
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  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a method for preparing high-modulus and high-damping composite materials, aiming to solve the problem that research and development of high-modulus and high-damping polymer composite materials have become the only way to solve special castings used in complex environments The problem

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  • Preparation method of high-modulus and high-damping composite
  • Preparation method of high-modulus and high-damping composite

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the following in conjunction with the attached figure 1 , 2 And embodiment, the present invention is described in further detail. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] Such as figure 1 , 2 As shown, the embodiment of the present invention provides a preparation method of a high modulus and high damping composite material, the preparation method comprising the following steps:

[0020] (1) Preparation of multi-block copolymer PGMA-PBMA-PDMS-PBMA-PGMA

[0021] Add 0.0475-0.95 g of the ligand 2,2'-bipyridine (bpy), 0.0300-0.600 g of the catalyst cuprous chloride (CuCl), and 1-20.00 g of the macroinitiator Br-PDMS-Br into the reactor, Add 1.7135-35.27g of monomer butyl methacrylate and 20-1000mL of solvent xylene, vacuumize and fill with nitrogen and s...

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Abstract

The invention discloses a preparation method of a high-modulus and high-damping composite. The preparation method comprises the steps of preparing a multi-block copolymer, namely PGMA (poly glyceryl methacrylate)-PBMA (poly butyl methacrylate)-PDMS (polydimethylsiloxane)-PBMA-PGMA, and preparing the damping composite. According to the preparation method the multi-block copolymer, namely PGMA-PBMA-PDMS-PBMA-PGMA crosslinks with 4,5-cyclohexene oxide-1,2-dodecanedioic acid diglycidyl ester to form an IPN (interpenetrating polymer network) macromolecule network structure under the action of a curing agent, namely m-phenylenediamine, the mechanical property of the damping composite is improved greatly by a fortifier carbon fiber, and the high-modulus and high-damping composite is prepared. The composite is molded by casting, has small curing shrinkage, and is applicable to some modules with complicated structures and high property requirements. According to the preparation method, the carbon fiber is added to modify the mechanical property of the epoxy resin base composite, so that the high-modulus damping composite can be prepared. The preparation method can be used for preparing materials with higher requirements on the mechanical property and damping property.

Description

technical field [0001] The invention belongs to the technical field of composite material preparation, and in particular relates to a preparation method of a high-modulus high-damping composite material. Background technique [0002] With the development of modern industry, problems such as vibration, noise and fatigue will inevitably occur during the use of machinery and instruments. These problems will reduce the performance of the equipment, destroy the stability and reliability of the equipment operation, and may cause safety accidents in severe cases, resulting in loss of personnel and property; and will also pollute the environment and endanger the physical and mental health of the human body. Therefore, shock and noise reduction can effectively reduce the occurrence of accidents and prolong the service life of equipment. Eliminate negative effects such as vibration and noise, mainly by reducing the generation of vibration and noise and using damping materials. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08K7/06C08K3/04C08G59/22C08G59/24C08G59/50C08F293/00
Inventor 周元林潘昱李银涛
Owner 周元林
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