Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Polydopamine-assisted load of palygorskite on polyester fabric for moisture absorption and perspiration
Abstract Polyester (PET) fabric is one of the most daily used clothing fabrics; however, the perspiration management of PET is poor. There remains a lack of an effective method for simultaneously satisfying the fabric requirements of excellent moisture management properties, low energy consumption, and environmental protection for industrial production. Therefore, herein, a simple two-step impregnation method was used to prepare palygorskite (Pal)-coated PET fabric. First, dopamine was polymerized to the polydopamine (PDA) membrane on the PET fabric surface to improve its adhesive properties. Subsequently, Pal was bound onto the PDA-modified PET fabric to prepare the Pal/PDA/PET fabric. The modification increased the fabric's the hydrophilicity, lipophilicity, moisture absorption, light-to-heat conversion performance, evaporation rate, and tensile strength. Additionally, the Pal with several hydroxyl groups increased the number of hydrogen bonds, enhancing water adsorption. The high-water evaporation rate was due to the high light-to-heat conversion by PDA and the low evaporation enthalpy of the Pal/PDA/PET fabric. Thus, the Pal/PDA/PET with excellent perspiration management can be potentially used in flash-drying clothing. Furthermore, the fabric modification by mineral provides a green and cost-effective method for improving the moisture absorption and perspiration of fabrics.
Graphical abstract Display Omitted
Highlights Pal and PDA as the modifiers improved PET water adsorption and evaporation. Pal/PDA/PET's moisture absorption rate increased from 0.09% to 2.51%. The hydrogen bonds on the Pal are deemed to enhance the adsorption rate. The low evaporation enthalpy caused by Pal contributed to high evaporation rate.
Polydopamine-assisted load of palygorskite on polyester fabric for moisture absorption and perspiration
Abstract Polyester (PET) fabric is one of the most daily used clothing fabrics; however, the perspiration management of PET is poor. There remains a lack of an effective method for simultaneously satisfying the fabric requirements of excellent moisture management properties, low energy consumption, and environmental protection for industrial production. Therefore, herein, a simple two-step impregnation method was used to prepare palygorskite (Pal)-coated PET fabric. First, dopamine was polymerized to the polydopamine (PDA) membrane on the PET fabric surface to improve its adhesive properties. Subsequently, Pal was bound onto the PDA-modified PET fabric to prepare the Pal/PDA/PET fabric. The modification increased the fabric's the hydrophilicity, lipophilicity, moisture absorption, light-to-heat conversion performance, evaporation rate, and tensile strength. Additionally, the Pal with several hydroxyl groups increased the number of hydrogen bonds, enhancing water adsorption. The high-water evaporation rate was due to the high light-to-heat conversion by PDA and the low evaporation enthalpy of the Pal/PDA/PET fabric. Thus, the Pal/PDA/PET with excellent perspiration management can be potentially used in flash-drying clothing. Furthermore, the fabric modification by mineral provides a green and cost-effective method for improving the moisture absorption and perspiration of fabrics.
Graphical abstract Display Omitted
Highlights Pal and PDA as the modifiers improved PET water adsorption and evaporation. Pal/PDA/PET's moisture absorption rate increased from 0.09% to 2.51%. The hydrogen bonds on the Pal are deemed to enhance the adsorption rate. The low evaporation enthalpy caused by Pal contributed to high evaporation rate.
Polydopamine-assisted load of palygorskite on polyester fabric for moisture absorption and perspiration
Zhang, Xiao (Autor:in) / Tong, Wangshu (Autor:in) / Feng, Feng (Autor:in) / Wang, Zhihao (Autor:in) / Wang, Xuemei (Autor:in) / Zhang, Yihe (Autor:in)
Applied Clay Science ; 230
03.10.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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