Mechanically Robust and Flame-Retardant Superhydrophobic Textiles with Anti-Biofouling Performance. 2022

Jie Liu, and Yuling Sun, and Rui Ma, and Xiaoteng Zhou, and Lijun Ye, and Volker Mailänder, and Werner Steffen, and Michael Kappl, and Hans-Jürgen Butt
Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.

The attachment of bio-fluids to surfaces promotes the transmission of diseases. Superhydrophobic textiles may offer significant advantages for reducing the adhesion of bio-fluids. However, they have not yet found widespread use because dried remnants adhere strongly and have poor mechanical or chemical robustness. In addition, with the massive use of polymer textiles, features such as fire and heat resistance can reduce the injuries and losses suffered by people in a fire accident. We developed a superhydrophobic textile covered with a hybrid coating of titanium dioxide and polydimethylsiloxane (TiO2/PDMS). Such a textile exhibits low adhesion to not only bio-fluids but also dry blood. Compared to a hydrophilic textile, the peeling force of the coated textile on dried blood is 20 times lower. The textile's superhydrophobicity survives severe treatment by sandpaper (400 mesh) at high pressure (8 kPa) even if some of its microstructures break. Furthermore, the textile shows excellent heat resistance (350 °C) and flame-retardant properties as compared to those of the untreated textile. These benefits can greatly inhibit the flame spread and reduce severe burns caused by polymer textiles adhering to the skin when melted at high temperatures.

UI MeSH Term Description Entries
D011108 Polymers Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS). Polymer
D004129 Dimethylpolysiloxanes Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents. Dimethylsiloxanes,Polydimethylsiloxanes,Dimethylpolysiloxane,Dimethylsiloxane
D005411 Flame Retardants Materials applied to fabrics, bedding, furniture, plastics, etc. to retard their burning; many may leach out and cause allergies or other harm. Fire Retardant,Fire Retardants,Fireproofing Agent,Fireproofing Agents,Flame Retardant,Agent, Fireproofing,Agents, Fireproofing,Retardant, Fire,Retardant, Flame,Retardants, Fire,Retardants, Flame
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013784 Textiles Filament or fiber, or the materials generated from them by weaving, embroidery, knitting, crocheting, tufting, or felting such as yarn, thread, cording, rope, netting, lace, or sheets of cloth or fabric. Textile
D057927 Hydrophobic and Hydrophilic Interactions The thermodynamic interaction between a substance and WATER. Hydrophilic Interactions,Hydrophilic and Hydrophobic Interactions,Hydrophilicity,Hydrophobic Interactions,Hydrophobicity,Hydrophilic Interaction,Hydrophilicities,Hydrophobic Interaction,Hydrophobicities,Interaction, Hydrophilic,Interaction, Hydrophobic,Interactions, Hydrophilic,Interactions, Hydrophobic

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