Lyocell web product
View Patent ↗A web comprising a layer of crosslinked cellulosic fiber overlaid on and integral with at least one layer of regenerated cellulose fiber. The crosslinked cellulosic fiber can be sandwiched between two regenerated cellulose fiber layers. The regenerated cellulose can be viscose or lyocell.
1. A composite product comprising a web of intrafiber crosslinked cellulosic fiber airlaid onto, overlaying and fastened to a web consisting of lyocell.
2. The composite product of claim 1 wherein the lyocell is woven or knit.
3. The composite product of claim 1 wherein the lyocell is nonwoven.
4. The composite product of claim 1 wherein the lyocell has filament diameters in the range of 1 to 30 microns.
5. The composite product of claim 1 wherein the product is embossed, thermobonded, needlepunched, spunlaced, adhesive bonded, pressed or a combination thereof.
6. The composite product of claim 1 wherein the basis weight of each of the lyocell webs is from 5 to 300 g/m 2 .
7. The composite product of claim 6 wherein the basis weights of two webs are different.
8. The composite product of claim 6 wherein the basis weights of two webs are the same.
9. The composite product of claim 1 wherein the web of lyocell is a first web of lyocell and the composite product further comprises a second web of lyocell on a side of the web of crosslinked cellulosic fiber which is opposite the first web of lyocell.
10. The composite product of claim 9 wherein at least one of the webs of lyocell is woven or knit.
11. The composite product of claim 9 wherein at least one of the webs of lyocell is nonwoven.
12. The composite product of claim 9 wherein at least one of the webs of lyocell has filament diameters in the range of 1 to 30 microns.
13. The composite product of claim 9 wherein the product is embossed or thermobonded or needlepunched or spunlaced or adhesive bonded or pressed or a combination of any of these.
14. The composite product of claim 9 wherein the basis weight of each of the webs is from 5 to 300 g/m 2 .