Ethylene-Propylene Side by Side (ES ) fibre remains an important challenge in hydrophilicity. In this study, we obtained folded nonwoven fabrics (FNF) by the through air–bonding process. The fiber with the fold structure was prepared by regulating the treatment temperature, treatment time, and cooling rate. The results showed that the melting point of the shell layer should be controlled at 135°C. The fold structure was most obvious at 135°C, 2.5 min, and rapid cooling. Compared with the common sample, liquid absorption capacity, thickness, and the diffusion area of the FNF increased by 64%, 0.3 mm, and 41%, respectively, and the rewet decreased by 35%. The contact angle of FNF was 140°, which was 30° larger than that of common nonwovens. Except for the first time, the penetration time for the two other times was better than that of ordinary materials.
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