Nonwoven continuously-bonded trilaminate

Details Nonwoven continuously-bonded trilaminate Nonwoven continuously-bonded trilaminate

B - Operations, Transporting

32

B

154/136

B32B 5/08 (2006.01) A61L 2/26 (2006.01) B32B 5/26 (2006.01) B32B 27/02 (2006.01) D04H 13/00 (2006.01) A61B 19/08 (2006.01)

Patent

CA 1311997

Abstract of the Disclosure A nonwoven composite material comprising a meltblown fabric layer of a thermoplastic polymer sandwiched between two prebonded, spunbonded reinforcing fabric layers of a thermoplastic polymer, all continuously-bonded together to form a composite material. The preferred thermoplastic polymer for both the meltblown and spunbonded layers is polypropylene. The nonwoven composite material contains a minimal number of loose fibers, is highly resistant to the penetration of liquids and would also be expected to exhibit good abrasion resistance, while maintaining tear resistance and softness comparable to non-prebonded materials characterized by discrete bonding patterns. The nonwoven composite material is especially useful as a sterilization wrap for surgical and other health care items.

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