Resin molded product, laminate, and decorative sheet
US11021598B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 16, 2019 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Oct 16, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/16
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A resin molded product, a laminate, and a decorative sheet having high weatherability. A decorative sheet includes a resin molded product as a protective layer, and the resin molded product includes an ultraviolet absorber having pKa of −5.5 or more and −4.5 or less when irradiated with light, and a photostabilizer having pKa of 3.0 or more and 7.0 or less. The added amount of each of the ultraviolet absorber and the photostabilizer is 3.0 parts by mass or less per 100 parts by mass of the resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.