Fibers suitable for the production of nonwoven fabrics having improved strength and softness characteristics
US5529845A · kind A · utility
14Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Jun 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a simple, undrawn, 1-10 dtex, propylene polymer fiber, the thermowelding stength of which is at least 5 Newtons, the flexibility index of which is greater than 800, and which has good resistance to yellowing and aging. Also disclosed are a nonwoven fabric of said fiber, and a process of making the fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.