Synthetic leather article and method for preparing same
US12129597B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Nov 15, 2018 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Nov 6, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06N2211/28
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A synthetic leather article comprising a top coating derived from an internally emulsified PUD, a barrier layer derived from an externally emulsified PUD and a 2K non-solvent PU foam layer is provided. The leather article exhibits high delamination resistance while retaining superior mechanical properties and appearance comparable with those derived from the organic solvent-based PU. A method for preparing the synthetic leather article is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.