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通过具有水解稳定性的酯基对聚乙烯进行功能化改性。

Functionalization of polyethylene with hydrolytically-stable ester groups.

作者信息

Hervàs-Arnandis Susi, Palomar-de Lucas Brenda, Bilanin Cristina, Mingueza-Verdejo Paloma, Viciano Mónica, Oliver-Meseguer Judit, Leyva-Pérez Antonio

机构信息

Instituto de Tecnología Química (UPV-CSIC), Universidad Politècnica de València-Consejo Superior de Investigaciones Científicas Avda. de los Naranjos s/n 46022 Valencia Spain

AIMPLAS, València Parc Tecnològic C/Gustave Eiffel, 4 46980 Paterna Valencia Spain.

出版信息

RSC Adv. 2023 Aug 10;13(34):23859-23869. doi: 10.1039/d3ra05024f. eCollection 2023 Aug 4.

DOI:10.1039/d3ra05024f
PMID:37577098
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10413336/
Abstract

Low-density (LD) and high-density polyethylene (HDPE), recycled or not, incorporates up to 7 wt% of ester groups after reacting either with ethyl diazoacetate (EDA) under catalytic and solvent free-reaction conditions, or with maleic anhydride (MA) and acrylates (AC) under catalytic radical conditions. The resulting upcycled polyethylene esters are hydrolytically stable at extreme pH (0-14) and can be further transformed into carboxylic acids, carboxylates, other esters and amides.

摘要

低密度（LD）和高密度聚乙烯（HDPE），无论是否回收利用，在无催化剂和无溶剂反应条件下与重氮乙酸乙酯（EDA）反应，或在催化自由基条件下与马来酸酐（MA）和丙烯酸酯（AC）反应后，都能引入高达7 wt%的酯基。所得的升级循环聚乙烯酯在极端pH值（0 - 14）下具有水解稳定性，并且可以进一步转化为羧酸、羧酸盐、其他酯类和酰胺。

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