Nonwoven fabric comprising a high loft spunbond layer
US11021820B2 · kind B2 · utility
1Cited by
2References
19Claims
0Family size
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Key dates
| Filing date | May 17, 2017 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Aug 22, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H3/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a fabric comprising at least one high loft spunbond nonwoven layer having crimped multicomponent fibers, wherein a first component of the multicomponent fibers comprises a first polymer A and a second component of the multicomponent fibers comprises a blend of the first polymer A and a second polymer B, wherein the melt flow rate of polymer A is at least 25% higher than the melt flow rate of polymer B and wherein the second component comprises at least 40 wt.-% of polymer B.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.