Single sided hydrophilic nonwoven fabric with high tensible strength and CSR wrap made therefrom
AssigneeMagnera Corporation
InventorsTianlei Zhang, Dong Wu, Yongji Jin, Fang Guo
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Abstract
The present application discloses a single sided hydrophilic nonwoven fabric with high tensile strength and a CSR wrap made therefrom, wherein the single sided hydrophilic nonwoven fabric has a spunbonded/meltblown/spunbonded (SMS) structure consisting of a top spunbonded layer, a middle meltblown layer and a bottom spunbonded layer, wherein one side of the nonwoven fabric is hydrophilic, and the other side of the nonwoven fabric is hydrophobic.
Claims18
A single sided hydrophilic nonwoven fabric, having a structure comprising (i) a top spunbonded layer including one or more spunbond layers, (ii) a middle meltblown layer including one or more meltblown layers, and (iii) a bottom spunbonded layer including one or more spunbond layers, wherein one side of the nonwoven fabric is hydrophilic and the other side thereof is hydrophobic;
- and
- wherein the top spunbond layer and/or the bottom spunbond layer include tensile enhancer that increases the crystallization percentage of the top spunbond layer and/or the bottom spunbond layer, wherein the tensile enhancer is added in an amount of from 1 wt % to 10 wt %, based on the total weight of the top spunbonded layer and/or the bottom spunbonded layer;
- and
- wherein the single sided hydrophilic nonwoven fabric has (a) a longitudinal tensile strength, as determined in accordance with EN ISO 1924-2, in the range of 1.2 KN/m to 5.0 KN/m;
- and (b) a transverse tensile strength, as determined in accordance with EN ISO 1924-2, in the range of 1.2 KN/m to 5 KN/m
- wherein the single sided hydrophilic non nonwoven fabric has a basis weight from 40 to 80 gsm, and a water absorption capacity, as determined in accordance with the GB/T 1540 method, is from 10 g/m2 to 30 g/m2.
Dependencies are inferred from the claim text.