发明名称 Interlayer film for laminated glass and laminated glass
摘要 It is an object of the present invention to provide an interlayer film for a laminated glass excellent in a sound-insulating property, which is preferably usable for a head up display and the like wherein a driver can look at the front view and an instrument display simultaneously without requiring to look down, and to provide a laminated glass. The present invention is directed to interlayer film for a laminated glass, which comprises at least a pair of protection layers and a sound-insulating layer sandwiched between the pair of the protection layers, and which has a wedge shape as a cross-sectional shape, a wedge angle &thetas; of 0.1 to 0.7 mrad, the maximum thickness of 2000 μm or thinner, and the minimum thickness of 400 μm or thicker, the minimum thickness of the sound-insulating layer being 20 μm or thicker.
申请公布号 US7886871(B2) 申请公布日期 2011.02.15
申请号 US20070883177 申请日期 2007.05.11
申请人 SEKISUI CHEMICAL CO., LTD. 发明人 MIYAI JIRO
分类号 E04B9/00;B32B3/00;B32B7/02;B32B17/06;B32B27/42;E04B1/82 主分类号 E04B9/00
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