Title:
粘弾性プラスチックスペーサのためのハイブリッドポリマー
Document Type and Number:
Japanese Patent JP7270599
Kind Code:
B2
Abstract:
A viscoelastic plastic interlayer intended to be arranged between two glass sheets of a glazing in order to provide it with vibroacoustic damping properties, includes two outer layers of thermoplastic adhesive, an inner layer arranged between the two outer layers, the inner layer having a loss factor tan δ greater than or equal to 1.6 at 20° C. and for a frequency range of between 2 kHz and 8 kHz, and first and second barrier layers arranged respectively between the outer layers and the inner layer 3, and composed of a viscoelastic plastic material.
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Inventors:
Fabian Buyer
David Shackleford
Josselin Lebua
David Shackleford
Josselin Lebua
Application Number:
JP2020503309A
Publication Date:
May 10, 2023
Filing Date:
July 23, 2018
Export Citation:
Assignee:
Saint-Gobain Glass France
International Classes:
C03C27/12; B32B17/10; B60J1/00
Domestic Patent References:
| JP10177390A | ||||
| JP2008201667A |
Foreign References:
| US20170028687 |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Nobuo Sekine
Naonori Koda
Shinji Mihashi
Nobuo Sekine
Naonori Koda
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