Claims
- 1. A lanate composite elastic material comprising:
- at least one pressure sensitive elastomer adhesive sheet; and
- nonelastic fibrous materials inserted into said pressure sensitive elastomer adhesive sheet by mechanical needling while the pressure sensitive elastomer adhesive sheet is subject to a stretching force so that, upon recovery of the pressure sensitive elastomer adhesive sheet, the fibrous materials are positioned closer together than before recovery of said sheet, thereby providing a lanate appearance.
- 2. The lanate composite elastic material of claim 1, wherein the pressure sensitive elastomer adhesive sheet is comprised of an elastic polymer selected from the group consisting of elastic polyesters, elastic polyurethanes, elastic polyamides, elastic copolymers of ethylene and at least one vinyl monomer, and elastic A-B-A' block copolymers wherein A and A' are the same or different thermoplastic polymer, and wherein B is an elastomeric polymer block.
- 3. The lanate composite elastic material of claim 1, wherein the pressure sensitive elastomer adhesive sheet is a pressure sensitive elastomer adhesive nonwoven web.
- 4. The lanate composite elastic material of claim 3, wherein the pressure sensitive elastomer adhesive nonwoven web is selected from the group consisting of a web of meltblown fibers, a spunbonded web, and a bonded-carded web.
- 5. The lanate composite elastic material of claim 4, wherein the pressure sensitive elastomer adhesive nonwoven web is a composite web comprising a mixture of meltblown fibers and one or more other materials selected from the group consisting of wood pulp, staple fibers, particulates and superabsorbent particles.
- 6. The lanate composite elastic material of claim 4, wherein the meltblown fibers include meltblown microfibers.
- 7. The lanate composite elastic material of claim 5, wherein the fibers are selected from the group consisting of natural fibers, man-made fibers and monofilament strands.
- 8. The lanate composite elastic material of claim 7, wherein natural fibers are selected from the group consisting of cotton fibers, pulp fibers, and wool.
- 9. The lanate composite elastic material of claim 7 wherein the man-made fibers are selected from reconstituted cellulose fibers and synthetic polymer fibers.
- 10. The lanate composite elastic material of claim 9 wherein the synthetic polymer fibers are comprised of a polymer selected from the group consisting of polyolefins, polyesters, and polyamides.
- 11. The lanate composite elastic material of claim 10, wherein the polyolefin is selected from the group consisting of one or more of polyethylene, polypropylene, polybutylene, ethylene copolymers, propylene copolymers, and butylene copolymers.
- 12. The lanate composite material of claim 1, wherein the fibrous materials protrude from the elastic sheet at least about 1 millimeter.
- 13. The lanate composite material of claim 1, wherein the composite has a density ranging from about 0.2 to about 0.04 grams per cubic centimeter.
- 14. The lanate composite material of claim 1, wherein the composite has a normalized dry heat transfer rate of at least about 15 Clo/gram/cubic centimeter.
- 15. The lanate composite material of claim 1, wherein the composite has a wet heat transfer rate of at least about 2.8 Watts/M.sup.2 .multidot..degree.C.
- 16. The lanate composite material of claim 1, wherein the composite has a permeability index of at least about 0.5.
- 17. The lanate composite material of claim 1, wherein the composite has a permeability index from about 0.5 to about 0.57.
- 18. A multilayer material comprising at least one layer of the lanate composite elastic material of claim 1 and at least one other layer of material.
- 19. An increased pile density composite elastic material comprising:
- at least one pressure sensitive elastomer adhesive sheet; and
- individualized nonelastic fibrous materials inserted into said elastic sheet by stitchbonding, malipole stitchbonding or tufting techniques while the pressure sensitive elastomer adhesive sheet is subject to a stretching force so that, upon recovery of the pressure sensitive elastomer adhesive sheet, the fibrous materials are positioned closer together than before recovery of said sheet.
- 20. The increased pile density composite elastic material of claim 19 wherein the pressure sensitive elastomer adhesive sheet is a pressure sensitive elastomer adhesive nonwoven web.
- 21. The increased pile density composite elastic material of claim 19 wherein the pressure sensitive elastomer adhesive nonwoven web is selected from the group consisting of a web of meltblown fibers, a spunbonded web, and a bonded-carded web.
- 22. The increased pile density composite elastic material of claim 20, wherein the pressure sensitive elastomer adhesive nonwoven web is a composite web comprising a mixture of meltblown fibers and one or more other materials selected from the group consisting of wood pulp, staple fibers, particulates and superabsorbent particles.
- 23. The increased pile density composite elastic material of claim 21, wherein the meltblown fibers include meltblown microfibers.
- 24. The increased pile density composite elastic material of claim 20, wherein the fiber bundles are selected from the group consisting of yarns and multifilament strands.
- 25. An increased pile density composite elastic material comprising:
- at least one pressure sensitive elastomer adhesive nonwoven web of meltblown fibers; and
- nonelastic fibrous materials selected from the group consisting of fibers and fiber bundles, said fibrous materials projecting from the pressure sensitive elastomer adhesive nonwoven web of elastic meltblown fibers to form a pile, and
- wherein the increased pile density composite elastic material is capable of being stretched to a length that is at least 200 percent of its relaxed length.
- 26. An increased pile density composite elastic material comprising:
- at least one pressure sensitive elastomer adhesive nonwoven web of elastomer meltblown fibers;
- fibrous materials adhered onto at least one surface of the pressure sensitive elastomer adhesive nonwoven web of elastomeric meltblown fibers by flocking,
- wherein the fibrous materials are selected from the group consisting of fibers and fiber bundles and are adhered to the pressure sensitive elastomer adhesive nonwoven web of elastomeric meltblown fibers while the pressure sensitive elastomer adhesive nonwoven web of elastomeric meltblown fibers is maintained in an elongated condition so that, upon recovery of the pressure sensitive elastomer adhesive nonwoven web of elastomeric meltblown fibers, the adhered fibrous materials are positioned closer together by the recovery of the pressure sensitive elastomer adhesive nonwoven web of elastomeric meltblown fibers.
- 27. The increased pile density composite elastic material of claim 26, wherein the pressure sensitive elastomer adhesive nonwoven web is a composite web comprising a mixture of meltblown fibers and one or more other materials selected from the group consisting of wood pulp, staple fibers, particulates and superabsorbent particles.
- 28. The increased pile density composite elastic material of claim 27, wherein the meltblown fibers include meltblown microfibers.
- 29. The increased pile density composite elastic material of claim 26, wherein the fiber bundles are selected from the group consisting of yarns and multifilament strands.
Parent Case Info
This application is a continuation application of application Ser. No. 07/852,447 filed on Mar. 16, 1992, now abandoned which is a continuation-in-part application of application Ser. No. 07/414,482 filed on Sep. 29, 1989, abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
2951005 |
Hervey |
Aug 1960 |
|
4741949 |
Morman et al. |
May 1988 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
852447 |
Mar 1992 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
414482 |
Sep 1989 |
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