Preparing method and application of heat-insulation vibration-restraining material

A technology of foam materials and foam pads, which is applied in the field of preparation of heat insulation and vibration suppression materials, can solve problems such as limited noise reduction and vibration reduction effects, high density of noise reduction and vibration reduction materials, and reduced carrying capacity of ship aerospace equipment, achieving additional The effect of small mass, wide vibration damping temperature range, and low substrate treatment requirements

Inactive Publication Date: 2017-11-17
BEIJING HAIYUEXING SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In related technologies, noise reduction and vibration reduction materials are used to block noise and vibration, but their noise reduction and vibration reduction effects are limited, and their vibration reduction effects are often only effective in a range below a certain frequency
In addition, in related technologies, the density of noise reduction and vibration reduction materials is relatively high, which will excessively reduce the carrying capacity of ships, rail transit, and aerospace equipment after use

Method used

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  • Preparing method and application of heat-insulation vibration-restraining material
  • Preparing method and application of heat-insulation vibration-restraining material
  • Preparing method and application of heat-insulation vibration-restraining material

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preparation example Construction

[0053] The above-mentioned preparation method of heat insulation and vibration suppression material includes:

[0054] The foam material is mixed and cast to obtain the foam cushion high layer 1.

[0055] In a preferred embodiment of the present invention, in the adjacent foam cushion layer 1, the upper surface of the lower foam cushion layer 1 and / or the lower surface of the upper foam cushion layer 1 are respectively coated with damping glue, and Adjacent foam cushion high layer 1 is bonded and compacted to obtain damping layer 2, so that adjacent foam cushion high layer 1 is fixedly connected.

[0056] The preparation method of the heat insulation and vibration suppression material of the present invention is simple in process, short in preparation time, and fast in construction. Through the use of different raw materials and thicknesses, the hardness, thickness, and modulus are adjustable, and organic solvents are not used, and they are non-toxic, non-flammable and inflammable. ...

Embodiment 1

[0096] A preparation method of heat insulation and vibration suppression material, including:

[0097] Structure like figure 1 As shown, a layer of damping glue is coated on the 80mm thick polystyrene foam cushion layer 1, and a 2mm thick butadiene rubber layer 3 (loss factor of 1.2) is laid on the damping glue. Compact for about 12h, take it out, the thickness of the obtained damping adhesive layer is 2mm, inspect and package.

Embodiment 2

[0099] A preparation method of heat insulation and vibration suppression material, including:

[0100] Structure like figure 2 As shown, take 1 layer of 2mm thick polyethylene foam cushion high layer 1 and a layer of 20mm thick polyurethane foam cushion high layer 1, and coat a layer of damping glue on the 2mm thick polyethylene foam cushion high layer 1, and lay on the damping glue A 20mm thick polyurethane foam cushion top layer 1, and then a layer of damping glue on the 20mm thick polyurethane foam cushion top layer 1, and a 30mm thick nitrile rubber layer 3 (loss factor 0.4) on the damping glue. At room temperature, glue and compact for about 12 hours, take it out, the damping layer 2 between the 2mm thick polyethylene foam cushion high layer 1 and the 20mm thick polyurethane foam cushion high layer 1 is 0.1mm thick, and the 20mm thick polyurethane foam cushion high layer obtained The thickness of the damping layer 2 between 1 and the nitrile rubber layer 3 is 1mm for inspec...

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Abstract

The invention provides a preparing method and application of a heat-insulation vibration-restraining material. The heat-insulation vibration-restraining material is of a specific block-up vibration reduction structure, one or more foam block-up layers are combined in use, and the heat-insulation vibration-restraining material has the multiple functions of heat insulation, vibration reduction and noise reduction; the added mass is small, the vibration reduction performance is excellent, the vibration reduction temperature range is wide, the vibration reduction and noise reduction effects are remarkable, and the heat-insulation vibration-restraining material can be used for heat insulation, vibration reduction and noise reduction of devices in the ship field, the rail traffic field, the aerospace field and the like; in addition, the heat-insulation vibration-restraining material is nontoxic and tasteless, the bottom-material processing requirement is low, and the universality is high. According to the heat-insulation vibration-restraining material, the technology of the preparing method is simple, preparing time is short, the construction speed is high, the hardness, the thickness and the modulus are adjustable by the adoption of different raw materials and thicknesses, an organic solvent is not adopted, the heat-insulation vibration-restraining material is nontoxic, and the flammable and explosive problem is solved.

Description

Technical field [0001] The invention relates to the technical field of vibration reduction and noise reduction, and in particular to a preparation method and application of a heat insulation and vibration suppression material. Background technique [0002] In the fields of ships, rail transit, aerospace, etc., due to equipment operation, severe noise and vibration will be generated. In related technologies, noise reduction and vibration reduction materials are used to block noise and vibration, but their noise reduction and vibration reduction effects are limited, and their vibration reduction effects are often only effective in a range below a certain frequency. In addition, in related technologies, the density of noise reduction and vibration reduction materials is relatively high, which will excessively reduce the carrying capacity of ships, rail transit, and aerospace equipment after use. [0003] In view of this, the present invention is proposed. Summary of the invention [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12B32B15/082B32B15/085B32B15/095B32B15/18B32B25/20B32B25/08B32B27/30B32B27/32B32B27/40
CPCB32B5/18B32B7/12B32B15/046B32B15/18B32B25/045B32B25/20B32B2266/0228B32B2266/025B32B2266/0278B32B2307/102B32B2307/304
Inventor 李福运
Owner BEIJING HAIYUEXING SCI & TECH CO LTD
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