Process for producing a non-woven fabric
US11306415B2 · kind B2 · utility
1Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2017 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Apr 24, 2038 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2321/022
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for producing a nonwoven fabric comprising forming a polymer composition comprising a primary polypropylene and at least one secondary polyolefin; in a spunbond process, forming fibers then fabric from the polymer composition; and exposing the fabric to an heating environment within a range from 50° C. to 250° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.