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Highly Efficient MXene-Coated Flame Retardant Cotton Fabric for Electromagnetic Interference Shielding
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2020-07-09 , DOI: 10.1021/acs.iecr.0c02618 Wenhua Cheng 1 , Yan Zhang 1, 2, 3 , Wenxiang Tian 1 , Jiajia Liu 1 , Jingyi Lu 1 , Bibo Wang 1 , Weiyi Xing 1 , Yuan Hu 1
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2020-07-09 , DOI: 10.1021/acs.iecr.0c02618 Wenhua Cheng 1 , Yan Zhang 1, 2, 3 , Wenxiang Tian 1 , Jiajia Liu 1 , Jingyi Lu 1 , Bibo Wang 1 , Weiyi Xing 1 , Yuan Hu 1
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In this work, a highly efficient flame retardant and electromagnetic interference (EMI) shielding coating on cotton fabric was fabricated by a simple solution impregnation and dip-coating method, which involved three layers of polyacetimidate (PEI), ammonium polyphosphate (APP), and Ti3C2Tx. When exposed directly to flame, the PEI/APP coating lead to a char layer resulting in self-extinguishing performance. Particularly, the cotton fabric coated by increasing amounts of Ti3C2Tx gradually achieved EMI shielding performance. When the Ti3C2Tx sheets content was 5.2 mg/cm2, a high electrical conductivity of 670.3 S·m–1 and a EMI shielding effectiveness of 31.04 dB were achieved in the X-band with an absorption-dominated mechanism. Besides, such modified cotton fabric also has the potential to be used as an electrical heating material. The temperature could even reach up to about 64.3 °C under an applied voltage of just 4 V. Therefore, this work provided a feasible idea for preparing multifunctional fabrics.
中文翻译：
用于电磁干扰屏蔽的高效MXene涂层阻燃棉织物
在这项工作中，通过简单的溶液浸渍和浸涂方法在棉织物上制备了高效的阻燃和电磁干扰（EMI）屏蔽涂层，该涂层涉及三层聚乙酰亚胺酸酯（PEI），聚磷酸铵（APP）和Ti 3 C 2 T x。当直接暴露于火焰中时，PEI / APP涂层会形成一层炭层，从而导致自熄性能。特别地，通过增加Ti 3 C 2 T x的量涂覆的棉织物逐渐实现了EMI屏蔽性能。当Ti 3 C 2 T x片材含量为5.2mg / cm 2时，在X波段采用吸收为主的机制，可实现670.3 S·m –1的高电导率和31.04 dB的EMI屏蔽效果。此外，这种改性棉织物还具有用作电加热材料的潜力。在仅施加4 V的电压下，温度甚至可以达到约64.3°C。因此，这项工作为制备多功能织物提供了可行的思路。
更新日期：2020-08-05
中文翻译：
用于电磁干扰屏蔽的高效MXene涂层阻燃棉织物
在这项工作中，通过简单的溶液浸渍和浸涂方法在棉织物上制备了高效的阻燃和电磁干扰（EMI）屏蔽涂层，该涂层涉及三层聚乙酰亚胺酸酯（PEI），聚磷酸铵（APP）和Ti 3 C 2 T x。当直接暴露于火焰中时，PEI / APP涂层会形成一层炭层，从而导致自熄性能。特别地，通过增加Ti 3 C 2 T x的量涂覆的棉织物逐渐实现了EMI屏蔽性能。当Ti 3 C 2 T x片材含量为5.2mg / cm 2时，在X波段采用吸收为主的机制，可实现670.3 S·m –1的高电导率和31.04 dB的EMI屏蔽效果。此外，这种改性棉织物还具有用作电加热材料的潜力。在仅施加4 V的电压下，温度甚至可以达到约64.3°C。因此，这项工作为制备多功能织物提供了可行的思路。
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