基于氧化大豆油的环氧终结高分支聚合物的合成和性能
Guang-Zhao Li1, Qiuhong Wang1, Chongyu Zhu2
1Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, China.
Molecules (Basel, Switzerland)
|February 13, 2025
概括
从环氧化大豆油中提取的环氧终结超分支聚合物 (EHBPs) 具有可调节的特性. 增加的环氧含量增强了粘附性和耐水性,同时降低了粘度,非常适合涂料和粘合剂.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 表面工程是什么?表面工程是什么?
背景情况:
- 环氧终结超分支聚合物 (EHBPs) 是具有低粘度和高功能的可取性质的多功能宏分子.
- 氧化大豆油 (ESO) 作为开发新型聚合物材料的可持续前体.
研究的目的:
- 使用环氧化大豆油合成和表征新型环氧终结超分支聚合物 (EHBPs).
- 调查EBHP的结构-性质关系,涉及它们的环氧含量,分子量和性能特征.
主要方法:
- 通过环开放和化反应合成环氧大豆油聚醇 (EGD).
- 加入化水素 (ECH) 来制造具有不同质量比的EHBPs.
- 使用FT-IR,GPC,1HNMR,13CNMR和环氧值的确定进行了表征.
- 评估水的接触角度,粘附性,质性和热性质.
主要成果:
- 合成的EGD表现出0.45.5的分支程度.
- EHBPs显示的环氧值在0.73到0.89mol/100g之间.
- 较高的环氧值与增加的水接触角度,粘合强度和玻璃过渡温度相关.
- 粘度随着环氧值和分子量增加而降低.
结论:
- 该研究成功地从生物来源中产生了具有可调节性质的EBHP.
- 开发的EHBP显示出表面涂层修改和粘合剂配方的潜力,因为它们的粘度低,粘度高.
- 这些发现突出了环氧含量对高分支聚合物的性能属性的重大影响.
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