生物基扩链剂呋喃二甲醇对热固性聚氨酯的性能调控

段禧龙; 李君华; 刘志春; 张亚杰

doi:10.14028/j.cnki.1003-3726.2026.25.373

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生物基扩链剂呋喃二甲醇对热固性聚氨酯的性能调控

研究论文 | 更新时间：2026-03-21

- 生物基扩链剂呋喃二甲醇对热固性聚氨酯的性能调控
- Performance Regulation of Thermosetting Polyurethanes Using the Bio-based Chain Extender Furandimethanol
- 高分子通报 2026年39卷第4期页码：619-630
- 作者机构：
  
  中国科学院宁波材料技术与工程研究所浙江省先进燃料电池与电解池技术重点实验室　宁波 315201
  辽宁石油化工大学石油化工学院　抚顺 113005
- 作者简介：
  
  liuzhichun@nimte.ac.cn
- 基金信息：
  
  科技部重点研发计划(2022YFC2104500)
- DOI：10.14028/j.cnki.1003-3726.2026.25.373
  中图分类号：
- 收稿：2025-12-24，
  
  录用：2026-01-19，
  
  网络首发：2026-03-13，
  
  纸质出版：2026-04-20
- 稿件说明：
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段禧龙, 李君华, 刘志春, 张亚杰. 生物基扩链剂呋喃二甲醇对热固性聚氨酯的性能调控. 高分子通报, 2026, 39(4), 619–630.

Duan, X. L.; Li, J. H.; Liu, Z. C.; Zhang, Y. J. Performance regulation of thermosetting polyurethanes using the bio-based chain extender furandimethanol. Polym. Bull. (in Chinese), 2026, 39(4), 619–630.
段禧龙, 李君华, 刘志春, 张亚杰. 生物基扩链剂呋喃二甲醇对热固性聚氨酯的性能调控. 高分子通报, 2026, 39(4), 619–630. DOI： 10.14028/j.cnki.1003-3726.2026.25.373.

Duan, X. L.; Li, J. H.; Liu, Z. C.; Zhang, Y. J. Performance regulation of thermosetting polyurethanes using the bio-based chain extender furandimethanol. Polym. Bull. (in Chinese), 2026, 39(4), 619–630. DOI： 10.14028/j.cnki.1003-3726.2026.25.373.

摘要

生物基扩链剂替代石化基扩链剂有助于聚氨酯产业向绿色可持续化方向发展。以生物基扩链剂2

5-呋喃二甲醇(FDM)、蓖麻油多元醇1750 (Castor

oil-based polyol 1750

COP-1750)和聚合4

4-二苯基甲烷二异氰酸酯(PMDI)为原料，通过与石化基芳环扩链剂间苯二酚二(2-羟乙基)醚(HER)和无扩链剂做对比，系统探究了生物基扩链剂与石化基扩链剂对热固性聚氨酯性能的影响。生物基扩链剂FDM合成的热固性聚氨酯(TS-PU-FDM)拉伸强度、弯曲强度和压缩屈服强度分别是60.36、66.14和58.25 MPa，优于石化基扩链剂HER(TS-PU-HER)和无扩链剂(TS-PU-CK)的热固性聚氨酯，其中拉伸强度分别提高了34.31%和147.57%，弯曲强度分别提高了16.45%和25.00%。TS-PU-FDM在5 wt% H

水溶液、1 wt% NaOH水溶液、去离子水和海水中浸泡21天后拉伸强度均可保持在原始拉伸强度的97%以上。FDM作为生物基芳环扩链剂可以替代石化基芳环扩链剂HER，为将来开发生物基热固性聚氨酯提供了一种绿色可持续扩链剂。

Abstract

The replacement of petrochemical-based chain extenders with bio-based alternatives is essential for driving the polyurethane industry toward green and sustainable development. In this study

the bio-based chain extender 2

5-furandimethanol (FDM)

castor-oil-based polyol 1750 (COP-1750)

and polymeric 4

4′-diphenylmethane diisocyanate (PMDI) were employed as raw materials. By comparing the systems formulated with the petrochemical aromatic chain extender hydroquinone di(

-hydroxyethyl) ether (HER) and with no chain extender

the effects of bio-based and petrochemical-based chain extenders on the performance of thermosetting polyurethanes were systematically investigated. The thermosetting polyurethane synthesized using FDM (TS-PU-FDM) exhibited tensile strength

flexural strength

and compressive yield strength values of 60.36

66.14

and 58.25 MPa

respectively

outperforming both the HER-based (TS-PU-HER) and chain-extender-free (TS-PU-CK) polyurethanes. Compared with TS-PU-HER and TS-PU-CK

the tensile strength of TS-PU-FDM increased by 34.31% and 147.57%

while the flexural strength increased by 16.45% and 25.00%

respectively. After immersion for 21 days in 5 wt% H

1 wt% NaOH

deionized water

and seawater

the tensile strength of TS-PU-FDM remained above 97% of its original value. These results demonstrate that FDM

as a bio-based aromatic chain extender

can effectively replace the petrochemical aromatic chain extender HER

providing a green and sustai

nable chain-extending alternative for the future development of bio-based thermosetting polyurethanes.

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