聚乙烯接枝香豆素衍生物作为多功能助剂的应用探究

张银; 王煜; 尤伟

doi:10.11777/j.issn1000-3304.2023.23157

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聚乙烯接枝香豆素衍生物作为多功能助剂的应用探究

研究论文 | 更新时间：2024-03-28

- 聚乙烯接枝香豆素衍生物作为多功能助剂的应用探究
- Application of Polyethylene Grafted Coumarin Derivatives as Multifunctional Additives
- 高分子学报 2023年54卷第12期页码：1836-1843
- 作者机构：
  
  1.中国科学院化学研究所北京分子科学国家研究中心中国科学院工程塑料重点实验室北京 100190
  2.中国科学院大学北京 100049
- 作者简介：
  
  E-mail: weiyou@iccas.ac.cn
- 基金信息：
  
  北京市自然科学基金面上项目(基金号 2232074)
- DOI：10.11777/j.issn1000-3304.2023.23157
  中图分类号：
- 纸质出版日期：2023-12-20，
  
  网络出版日期：2023-09-08，
  
  收稿日期：2023-06-12，
  
  录用日期：2023-07-31
扫描看全文
张银,王煜,尤伟.聚乙烯接枝香豆素衍生物作为多功能助剂的应用探究[J].高分子学报,2023,54(12):1836-1843.

Zhang Yin,Wang Yu,You Wei.Application of Polyethylene Grafted Coumarin Derivatives as Multifunctional Additives[J].Acta Polymerica Sinica,2023,54(12):1836-1843.
张银,王煜,尤伟.聚乙烯接枝香豆素衍生物作为多功能助剂的应用探究[J].高分子学报,2023,54(12):1836-1843. DOI： 10.11777/j.issn1000-3304.2023.23157.

Zhang Yin,Wang Yu,You Wei.Application of Polyethylene Grafted Coumarin Derivatives as Multifunctional Additives[J].Acta Polymerica Sinica,2023,54(12):1836-1843. DOI： 10.11777/j.issn1000-3304.2023.23157.

摘要

以商品化乙烯醋酸乙烯酯共聚物(EVA)为原料，通过Mitsunobu衍生化反应合成了以香豆素为功能侧基的多功能聚乙烯. 香豆素及其衍生物是一种多功能性的化合物，拥有抗菌、抗癌、光敏性、抗紫外线吸收以及抗氧化等特性，引入聚乙烯骨架可以赋予聚乙烯相似特性. 以红外和核磁表征手段对聚乙烯基香豆素衍生物结构进行了确认. 将其用作聚乙烯的加工助剂，不仅能够赋予聚乙烯基底抗菌和抗氧化的特性，而且还能够起到抗紫外线老化的效果；与此同时，相比于商用抗紫外线吸收剂，其不仅具有更为优越的抗紫外线老化性能，而且还能够有效避免助剂的迁移.

Abstract

In recent years

there has been a great emphasis on improving the value of polyethylene (PE) products by developing high-performance PE products. Post-functionalization modification of PE is an effective method to achieve this goal. The use of additives for functionalized modification of PE is a straightforward and economical approach. However

most additives are organic small molecule compounds that tend to migrate

evaporate

or get lost from the polymer matrix through solvent extraction during the use of polymer products. This results in a decrease in product performance and poses a threat to human health

especially in the field of food packaging. Modifying small molecular additives by macromolecules has emerged as current research frontiers to address the aforementioned issues. This study aims to create macromolecular functional additives using functionalized PE with coumarin as the side groups. A PE derivative with coumarin as the functional side group is synthesized using the Mitsunobu derivatization reaction of commercial poly(ethylene-

-vinyl acetate) (EVA). The polymer structures are confirmed through infrared and nuclear magnetic resonance characterization. When used as an additive for PE

it not only provides antibacterial and antioxidant properties to the substrate

but also resists ultraviolet ageing. Additionally

it outperforms commercial UV absorbers (UV-329) by effectively avoiding the additive migration while maintaining superior UV ageing resistance.

关键词

聚烯烃功能化改性香豆素及其衍生物高分子助剂

Keywords

Functional modification of polyolefinsCoumarin and its derivativesPolymer additives

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