Porous single resin fiber composite material and method for manufacturing porous single resin fiber composite material

Provided is a porous single resin fiber composite material comprising: a first fibrous particle; a second fibrous particle; and a binder for binding the first fibrous particle and the second fibrous particle， wherein the first fibrous particles and the second fibrous particles are bound by the binder so as to form a random network structure including pores， the first fibrous particle is a polyester-based fiber including a first polyester-based resin， the second fibrous particle is a polyester-based fiber including a second polyester-based resin， the binder includes a third polyester-based resin， the first fibrous particle has an elongation rate higher than that of the second fibrous particle， and the melting point of the second polyester-based resin is higher than the melting point of the third polyester-based resin.

本发明提供一种多孔单树脂纤维复合材料，其包含第一纤维颗粒、第二纤维颗粒以及用于粘结所述第一纤维颗粒与第二纤维颗粒的粘结剂。其中，所述第一纤维颗粒与第二纤维颗粒通过该粘结剂相互粘结，形成包含孔隙的无规网络结构；所述第一纤维颗粒为包含第一聚酯基树脂的聚酯基纤维，所述第二纤维颗粒为包含第二聚酯基树脂的聚酯基纤维，该粘结剂包含第三聚酯基树脂；所述第一纤维颗粒的伸长率高于第二纤维颗粒，且所述第二聚酯基树脂的熔点高于第三聚酯基树脂的熔点。