Painted polyolefin articles
US10557005B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2453/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A painted article includes a primer layer between a substrate and a paint layer, of which the substrate is the product of a substrate forming composition including an olefin block copolymer and a polypropylene polymer having a density from 0.89 g/cm3 and 0.92 g/cm3. The substrate is free of (1) phthalate-based plasticizer, (2) halogen-containing polymer, and (3) leachable, small polymeric units derived from styrene monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.