Pressure sensitive adhesive composition including ultraviolet light-absorbing oligomer
US11110689B2 · kind B2 · utility
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58References
19Claims
0Family size
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Key dates
| Filing date | Jun 25, 2015 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | May 25, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/50
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composition that includes a blend of a pressure sensitive adhesive and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit represented by formula in which R1 is hydrogen or methyl, and R2 is alkyl having from 4 to 20 carbon atom. Articles including the composition are disclosed. For example, an assembly including a barrier film and the composition is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.