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一种全生物基耐高温四元共聚酰胺及其制备方法

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10Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

杜慧毅; 黄伟渊; 严海南

Filing Date

Sep 1, 2026

Publication Date

Oct 27, 2026

IPC Classification

C08G 69/40 (2006.01)

本发明涉及高分子材料技术领域,特别涉及一种全生物基耐高温四元共聚酰胺及其制备方法。该共聚酰胺由癸二胺、戊二胺、2,5呋喃二甲酸、丁二酸四元全生物基单体经无规共聚制得,采用氮气置换除氧、pH调控、控压排水、梯度升温加压聚合工艺,抑制2,5呋喃二甲酸高温脱羧副反应。本发明所得共聚酰胺熔点290~302℃,相对粘度1.698~1.749,50%RH吸水率0.29%~0.52%,拉伸强度69~80MPa,弯曲强度95~127MPa,兼顾高耐热、低吸水、优良力学性能与加工窗口,适用于汽车、电子电气高温工况零部件。

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