Extrusion-coated nonwoven sheeting
US6300257A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Aug 25, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2418
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A nonwoven layer of sheeting is extrusion-coated on one side with ethylene polymers, propylene polymers, modified propylene polymers and fillers. The nonwoven layer of sheeting is formed from polyethylene, polypropylene, polyethylene terephthalate and/or polyamide. The coated nonwoven sheeting is subjected to longitudinal and transverse stretching and white crackling cloudiness develops. The extrusion-coated nonwoven sheeting has a textile texture and is suitable for use in hygiene products, in medical products, in the textile and clothing industry, in the automobile industry and in construction products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.