Nonwoven with two-part binder system
US11959210B2 · kind B2 · utility
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26References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Oct 4, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2266/0278
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a binder system for nonwoven fiber mats that provides desirable properties to the nonwoven mat including desirable porosity, desirable surface properties e.g., desirable wettability and/or moisture resistance, and enhanced tensile strength. The system includes a two-part binder that includes (1) a formaldehyde-free carbohydrate-based binder and (2) a formaldehyde-free hydrophobic acrylic-based hinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.