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首页> 外文期刊>ACS applied materials & interfaces >Linear Control of Moisture Permeability and Anti-adhesion of Bacteria in a Broad Temperature Region Realized by Cross-Linking Thermoresponsive Microgels onto Cotton Fabrics
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Linear Control of Moisture Permeability and Anti-adhesion of Bacteria in a Broad Temperature Region Realized by Cross-Linking Thermoresponsive Microgels onto Cotton Fabrics

机译：通过交联热响应微凝胶在棉织物上实现的宽温度区域中耐水湿性和抗粘附性的线性控制

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Linear control of moisture permeability and anti-adhesion of bacteria in a broad temperature region are realized by cross-linking thermoresponsive microgels onto cotton fabrics. The microgels are copolymerized by monomers di(ethylene glycol) methyl ether methacrylate (MEO(2)MA), (ethylene glycol) methyl ether methacrylate (OEGMA(300)), and ethylene glycol methacrylate (EGMA) with a molar ratio of 10:10:1. Transition temperatures of PMEO(2)MA and POEGMA(300) are 25 and 60 degrees C, respectively. Due to the compression of already collapsed PMEO(2)MA to still swollen POEGMA300, the microgels present a linear shrinkage in a broad temperature region (20-70 degrees C). Additionally, the contact angle of the microgels stays below 60 even if the temperature is increased to 50 degrees C, illustrating the reserved surface hydrophilicity. The obtained microgels are cross-linked onto cotton fabrics by 1,2,3,4-butanetetracarboxylic (BTCA). The weight gain ratios (WGRs) are 15% and 30%. The moisture permeability shows an excellent linear increase between 20 and 50 degrees C when the WGR is 30%, which is attributed to the linear shrinkage of the cross linked microgels upon heating. Because the moisture permeability is related to the fabric comfort, a linear control of comfort is obtained. In addition, the cross-linked cotton fabrics can realize 96.5% bacterial anti-adhesion at 30 C as the surface remains hydrophilic. On the basis of these two unique properties, the realized cotton fabrics cross-linked with microgels are promising for application as smart textiles for wound addressing.
机译：通过将热响应微凝块交联到棉织物上的宽温度区域中的水分渗透性和抗粘附性的线性控制。微凝胶通过单体二（乙二醇）甲基醚甲基丙烯酸甲酯（MeO（2）mA），（乙二醇）甲基醚甲基丙烯酸甲酯（OEGMA（300））和摩尔比为10的乙二醇（EGMA）： 10：1。 PMEO（2）MA和POEGMA（300）的过渡温度分别为25和60℃。由于已经倒塌的PMEO（2）MA仍然膨胀的POEGMA300，微凝胶在宽温度区域（20-70℃）中存在线性收缩。另外，即使温度增加到50摄氏度，微凝胶的接触角在60以下保持在60以下，示出了保留的表面亲水性。通过1,2,3,4-丁酰丙羧酸（BTCA）将所获得的微凝胶与棉织物交联。重量增值比（WGR）为15％和30％。当WGR为30％时，透湿性显示出优异的线性增加20至50℃，这归因于交叉连接的微凝胶在加热时的线性收缩。因为透湿性与织物舒适性有关，所以获得舒适性的线性控制。此外，交联棉织物可以在30℃下实现96.5％的细菌抗粘附，因为表面保持亲水性。在这两个独特的性质的基础上，与微凝胶交联的实现棉布面料是有前途的应用于伤口地址的智能纺织品。

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