Sound insulation flooring material
US11731403B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Aug 12, 2019 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Dec 27, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2290/043
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sound insulation flooring material according to the present invention in which a heat resistance, sound insulation, and adhesion are improved is implemented by sequentially stacking a plurality of layers, a first balance layer, a second balance layer, a primer layer, a PE foam layer, and a PE release paper layer. In this case, the primer layer includes a first composition, a second composition, and a curing agent, and the first composition includes a resin, propanol, 1-methoxy-2-propanol, propyl acetate, isopropanol, butanone, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.