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Vibration damping material and vibration damping structure

A vibration-damping material and vibration-damping structure technology, applied in the field of vibration-damping materials, can solve the problems of high construction cost and prolonged construction time.

Active Publication Date: 2009-10-21
SEKISUI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in order to ensure the vibration damping performance of ships, the following method can be adopted, that is, the walls, floors, and ceilings of the engine room and living room are repeatedly coated with epoxy resin-based vibration damping materials. However, due to Drying time must be allowed between recoatings, resulting in longer application times and higher application costs

Method used

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  • Vibration damping material and vibration damping structure
  • Vibration damping material and vibration damping structure
  • Vibration damping material and vibration damping structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3、 comparative example 1

[0029] Prepare the following materials.

[0030] Base material: steel plate (thickness 6mm)

[0031] Constraint layer: glass steel plate (thickness 0.4 ~ 1.2mm)

[0032] Resin layer: high-density polyethylene is subjected to post-chlorination treatment by the water suspension method, and the chlorinated polyethylene obtained above (weight average molecular weight 500,000, chlorine content 40% by weight, DSC method Measured crystallinity (10J / g) 100 parts by weight, chlorinated paraffin (manufactured by AjinomotoFine Chemical Company, trade name "Empara K50", chlorine content 50% by weight, number average carbon number 14) 400 parts by weight, and calcium carbonate (Maruo Calcium company production, trade name " R heavy calcium carbonate ") 400 parts by weight mixing, extruding the resin mixture of gained at 140 ℃, molding into flakes (thickness 1.0mm, organic mass 0.6kg / m 2 ) as the resin layer.

[0033] Such as figure 1 As shown, the damping material with the constraining l...

Embodiment 4～6

[0035] Prepare the following materials.

[0036] Base material: steel plate (thickness 6mm)

[0037] Constraint layer: glass steel plate (thickness 0.4 ~ 1.2mm)

[0038] Resin layer: High-density polyethylene was post-chlorinated by the water suspension method, and the above-obtained chlorinated polyethylene (weight-average molecular weight 500,000, chlorine content 40% by weight, DSC method Measured crystallinity (10J / g) 100 parts by weight, chlorinated paraffin (manufactured by AjinomotoFine Chemical Company, trade name "Empara K50", chlorine content 50% by weight, number average carbon number 14) 400 parts by weight, and calcium carbonate (Maruo Calcium company production, trade name " R heavy calcium carbonate ") 300 parts by weight mixing, extruding the resin mixture of gained at 140 ℃, molding into sheet (thickness 0.5mm, organic mass 0.6kg / m 2 ) as the resin layer.

[0039] Deck coating layer: It is made by mixing sand, water, cement and rubber glue in a certain amou...

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Abstract

The present invention provides a vibration damper comprising a constrained layer and a resin layer, wherein the constrained layer is constituted of an inorganic material, an organic mass of the resin layer is 1.0 kg / m 2 or less, and the resin layer is constituted of a resin composition comprising 100 parts by weight of a chlorine-containing thermoplastic resin having a chlorine content of 20 to 70 wt% and a weight average molecular weight of 400,000 or more, and 200 to 1,000 parts by weight of a chlorinated paraffin having an average carbon atom number of 12 to 50 and a degree of chlorination of 30 to 75 wt%.

Description

technical field [0001] The present invention relates to a vibration-damping material, preferably a vibration-damping material and a vibration-damping structure for ships, and more specifically, to a vibration-damping material and a vibration-damping structure excellent in both vibration-damping performance and fire resistance. Background technique [0002] At present, in order to ensure the vibration damping performance of ships, the following method can be adopted, that is, the walls, floors, and ceilings of the engine room and living room are repeatedly coated with epoxy resin-based vibration damping materials. However, due to the Drying time must be allowed between recoatings, resulting in longer application times and higher application costs. [0003] In addition, in order to ensure the fire resistance of ships in addition to vibration damping properties, it may be necessary to further perform a treatment for imparting fire resistance to the coating type vibration dampin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B5/24B32B9/00F16F15/02
CPCC08L23/286B63B3/68F16F9/306C08K3/26B32B15/08C08K5/02C08L91/06Y10T428/27B32B27/00B32B9/00
Inventor 松田芳文安部裕幸小口贵士
Owner SEKISUI CHEM CO LTD