Title:
Laminated glass interlayer film
Document Type and Number:
Japanese Patent JP6311079
Kind Code:
B2
Abstract:
Provided is an interlayer film for laminated glass which is excellent in sound insulation property and has improved sound insulation performance not only in a coincidence region but also in a mass-dominated region. The interlayer film for laminated glass includes a sound insulating layer which is formed from a composition (A) containing at least one resin (a1) selected from a thermoplastic resin and a thermosetting resin, wherein a tan´ obtained when a dynamic viscoelasticity of a sheet, which is obtained by molding the composition (A) to have a thickness of 0.8 mm, is measured at a frequency of 0.3 Hz in a tension mode has a maximal value at a temperature T A (°C), T A (°C) is in a range of -50 to 50°C, and the tan´ at T A (°C) is 2.5 or more.
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Inventors:
Asanuma Satoshi
Ken Kusuto
Ken Kusuto
Application Number:
JP2017546751A
Publication Date:
April 11, 2018
Filing Date:
March 24, 2017
Export Citation:
Assignee:
KURARAY CO.,LTD.
International Classes:
C03C27/12; B32B17/10; B32B27/22; B32B27/30; C08J5/18; C08L101/00
Foreign References:
| WO2015122507A1 | ||||
| WO2016158882A1 |
Attorney, Agent or Firm:
Patent Business Corporation Lighthouse International Patent Office
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