In order to solve the problem of poor damage resistance of foam, limited thickness of ordinary spacer fabric and complex preparation process of composite, a high-distance spacer fabric/foam composite (HFFC) was designed via a simple and rapid method without molds. The HFFC was composed of two polyvinyl chloride (PVC) faces and a foam-filled high-distance spacer fabric core. Nine kinds of high-distance spacer fabric/foam composites (HFFCs) were prepared by changing the density of the core layer and spacer yarns. The microstructure, compression, bending, thermal insulation, sound absorption and low-velocity impact resistance properties of HFFCs were characterized. Remarkably, the HFFCs with lower foam density have better thermal insulation, sound absorption and low-velocity impact resistance properties while reducing weight. The HFFCs with higher density of spacer yarns exhibit more outstanding compression and thermal insulation properties. In addition, the thermal conductivities of the nine kinds of HFFCs are lower than 0.05 w/(m*K), belonging to high-efficiency thermal insulation material. The developed HFFCs show great potential in many practical applications in packaging, construction and other fields.

为了解决泡沫塑料的耐破损性差，普通间隔织物厚度有限，复合材料制备工艺复杂的问题，通过简单快速的方法设计了一种无模具的高间隔间隔织物/泡沫复合材料。HFFC由两个聚氯乙烯（PVC）面和一个填充泡沫的高距离间隔织物芯组成。通过改变芯层和间隔纱线的密度，制备了九种高距离间隔织物/泡沫复合材料（HFFC）。表征了HFFC的微观结构，压缩，弯曲，隔热，吸音和低速抗冲击性能。值得注意的是，泡沫密度较低的HFFC具有更好的隔热性，吸音性和低速抗冲击性能，同时还能减轻重量。具有较高间隔纱密度的HFFC具有更出色的压缩和隔热性能。另外，属于高效隔热材料的9种HFFC的导热系数均低于0.05 w /（m * K）。已开发的HFFC在包装，建筑和其他领域的许多实际应用中显示出巨大潜力。