Abstract
Polyphenylene sulfide (PPS) fabric is promising for personal protective equipment (PPE) due to its excellent mechanical properties. However, issues such as a lack of antibacterial properties, limits its applications, especially today when COVID-19 is a pandemic. Herein, we synthesize a new benzoxazine monomer (BTE) with ester and triazole groups and demonstrate its usage as a coating for comprehensive high-performance PPS fabric. The polymerized BTE exhibits an antibacterial rate of 77.4%, and outstanding flame-retardant properties (The Heat release capacity (HRC) value is 62 J g−1 K−1 and the Total heat release (THR) value is 9.4 kJ g−1). The mechanical performance and acid resistance of BTE-coated PPS fabric show excellent improvement. The tensile strength of the modified system rise by approximately 24.7%, reaching 8.6 MPa, while the corresponding Young's modulus increases by 51.7%, reaching 36.7 MPa, respectively, and after 72 h of acid treatment, the tensile strength retention rate reaches 91.7%. Furthermore, the BTE-coated PPS fabric demonstrates a complete change in wettability (the hydrophilic surface of PPS becomes hydrophobic for BTE-coated PPS) with only a slight reduction in the air permeability (260 mm s−1 for PPS and 198 mm s−1 for BTE coated PPS), making it an appealing material for PPE and demonstrating the potential of related materials for harsh environment protective systems.
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