Acoustic damping compositions having elastomeric particulate
US9637913B2 · kind B2 · utility
12Cited by
38References
20Claims
0Family size
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Inventor
Key dates
| Filing date | Apr 9, 2010 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | May 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31931
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An acoustic damping composition includes a urethane component, elastomeric particles, and a binder resin including an addition polymer having a carboxylic functional group. The acoustic damping composition can have a Mode 1 Damping Parameter of at least 0.45. The binder resin can have a glass transition temperature of not greater than −25° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.