Blends of poly(vinyl acetal) resins for compositions, layers, and interlayers having enhanced optical properties
US10005899B2 · kind B2 · utility
2Cited by
21References
8Claims
0Family size
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Key dates
| Filing date | Dec 8, 2014 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Dec 8, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Resin compositions, layers, and interlayers comprising two or more poly(vinyl acetal) resins and at least one blending agent or haze reducing agent are provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.