Polyamide elastomer as well as preparation method and application thereof

The invention relates to a polyamide elastomer and a preparation method and application thereof, the polyamide elastomer comprises a polyamide elastomer primary polymer and a chain extender, and the polyamide elastomer primary polymer comprises a hard segment from long carbon chain polyamide and a soft segment from polyether. The raw material monomer is derived from plants and has the characteristics of low carbon and sustainable development, the monomer production supply is stable, the large-scale potential is realized, the material performance is excellent, the prepared polyamide elastomer has the characteristics of high relative viscosity, excellent mechanical property, good temperature resistance and the like, and the use scene of the elastomer is widened. 本发明涉及一种聚酰胺弹性体及其制备方法和应用，包括聚酰胺弹性体初聚物和扩链剂，所述聚酰胺弹性体初聚物包括来自长碳链聚酰胺的硬段和来自聚醚的软段。原料单体来源于植物，具有低碳、可持续发展特征，且单体生产供应稳定，具备规模化潜力，材料性能优异，制得的聚酰胺弹性体具有相对粘度高、力学性能优异，耐温性好等特点，拓宽了弹性体的使用场景。