Room-temperature curable epoxy resin based high damping material and preparation method thereof

An epoxy resin, room temperature curing technology, which is applied in the field of room temperature curing epoxy resin-based high damping materials and their preparation, can solve the problems of unknown and unmentioned characteristics of materials in a wide temperature range, and achieve a wide and high damping temperature range. The effect of damping, long construction pot life

Inactive Publication Date: 2015-08-19
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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Problems solved by technology

[0008] The above patents do not mention the use of amino-terminated polyether (or polyether amine) curing agents, and do not limit the characteristics of various epoxy resins. The wide temperature range characteristic data of the material is unknown, and there are obvious differences from this application.

Method used

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  • Room-temperature curable epoxy resin based high damping material and preparation method thereof
  • Room-temperature curable epoxy resin based high damping material and preparation method thereof
  • Room-temperature curable epoxy resin based high damping material and preparation method thereof

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specific Embodiment

[0062] The specific embodiment of the present invention is shown in the following table. When using, first dry the resin in an electric blast drying oven at 50°C for 2 hours, weigh according to the proportion, mix the resin, stir evenly, add glycidyl ether and silane coupling agent, Continue to mix well to form component A of the material. Use aliphatic amines, amino-terminated polyethers, and low-molecular-weight polyamides alone or in combination, scale up according to the proportion, weigh, batch, stir and mix them evenly in advance, and then weigh, batch, and mix the three materials according to the proportion Stir well. Finally, add the curing accelerator DMP-30 according to the proportion, and continue to stir evenly to form the B component of the material. Before use, accurately weigh components A and B according to the mass ratio of 1:1, fully stir and mix, vacuumize at room temperature to remove air bubbles, and pour products or use them for other purposes. Naturall...

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Abstract

The invention provides a room-temperature curable epoxy resin based high damping material and a preparation method thereof. The room-temperature curable epoxy resin based high damping material is mainly composed of a bisphenol A epoxy resin, a polyurethane modified epoxy resin, a silane coupling agent, a mixed amine curing agent and a curing accelerant as major components; liquid materials are divided into components A and B; the resins are heated at a constant temperature in an electric heating air-blast drying box firstly, thoroughly and evenly mixed, and then blended; the components are mixed independently in a mixing tank, stirred evenly by use of a stirrer, barreled in groups, and sealed, and therefore, the preparation of the room-temperature curable epoxy resin based high damping material is completed. The room-temperature curable epoxy resin based high damping material has the characteristics of high damping property, wide damping temperature range, long construction period, natural curing in a room-temperature environment and the like.

Description

【Technical field】 [0001] The invention relates to a damping material and a preparation method thereof, in particular to a room temperature curing epoxy resin-based high damping material and a preparation method thereof. 【Background technique】 [0002] It is known that a viscoelastic damping material such as a polymer is a kind of material that converts the energy that excites its vibration or sound wave into heat energy and dissipates it in the surrounding environment through the internal friction motion response of the molecular segment, thereby attenuating vibration and sound energy. It is a material that plays an extremely important role in the field of engineering vibration and noise reduction. The noise level of some equipment directly or indirectly affects its technical level. When the structure is excited by vibration or sound waves, it is directly related to the vibration and noise reduction It is the internal friction of the material, that is, the damping performanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L63/02C08K5/544C08K5/5435C08K5/548C08G59/60
Inventor 侯永振王兵
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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