发明授权
- 专利标题： Multilayer interlayer having sound damping properties over a broad temperature range
- 专利标题（中）： 在宽温度范围内具有隔音性能的多层中间层
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申请号： US15051222申请日： 2016-02-23
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公开(公告)号： US09460702B2公开(公告)日： 2016-10-04
- 发明人: Jun Lu
- 申请人： SOLUTIA INC.
- 申请人地址： US MO St. Louis
- 专利权人： Solutia Inc.
- 当前专利权人： Solutia Inc.
- 当前专利权人地址： US MO St. Louis
- 代理商 Michelle Bugbee
- 主分类号： G10K11/172
- IPC分类号： G10K11/172 ; G10K11/168 ; B32B7/02 ; B32B27/30
摘要：
A polymer interlayer having improved sound insulation is disclosed. The polymer interlayer comprises at least one soft layer wherein the soft layer comprises a blend of a first poly(vinyl butyral) resin, a second poly(vinyl butyral) resin and a plasticizer; at least one stiffer layer comprising a third poly(vinyl butyral resin) and a plasticizer, wherein the polymer interlayer has a damping loss factor (η) (as measured by Mechanical Impedance Measurement according to ISO 16940) of at least about 0.16 measured at two or more different temperatures selected from 10° C., 20° C. and 30° C.
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