智能纺织品不仅拥有日常穿着的所需功能,而且兼具智能性,柔性纺织材料的选择是当前纺织材料研究的重点.在柔性材料中,碳材料是制备柔性应变传感器的理想材料之一.以碳纳米管为柔性材料制备的柔性应变传感器在智能纺织品中的应用为研究内容,从碳纳米管的结构组成、性质及其应用等方面,介绍碳纳米管柔性应变传感器的研究现状;从材料选择、制备方法、性能测试及应用等方面,阐述以碳纳米管纤维和碳纳米管薄膜为柔性材料制备的柔性应变传感器的特性和功能;从制备难点、生产成本、实际应用效果等方面,对碳纳米管柔性应变传感器的优缺点进行评述.研究认为,在大应变下具有高灵敏度将是今后碳纳米管柔性应变传感器研究的方向.%Smart textiles have not only the necessary functions of daily wear,but also the intelligence.The focus of the current textile materials research is the selection of flexible material.For flexible materials,carbon material is one of the ideal materials for preparing flexible strain gauges.The application of flexible strain sensor prepared by carbon nanotubes as a flexible material in smart textiles is the research content.The research status of carbon nanotubes flexible strain sensor is introduced from the aspects of the structure,properties and application.The characteristics and functions of flexible strain gages prepared with carbon nanotube fibers and carbon nanotube films as flexible materials are discussed in terms of selection,preparation method,performance test and application.At the same time,the advantages and disadvantages of the flexible strain sensor of carbon nanotubes are reviewed from the aspects of preparation difficulty,production cost and practical application effect.High sensitivity with high strain will be a key research direction for carbon nanotube flexible strain sensors.
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