基于具有可控结晶性的环氧聚氨酯低聚物的含聚氨酯弹性体的物理和机械性能的合成与研究

Synthesis and Study of Physical and Mechanical Properties of Urethane-Containing Elastomers Based on Epoxyurethane Oligomers with Controlled Crystallinity.

作者信息

Slobodinyuk Alexey, Strelnikov Vladimir, Elchisheva Nadezhda, Kiselkov Dmitriy, Slobodinyuk Daria

机构信息

Institute of Technical Chemistry Ural Branch of the Russian Academy of Sciences, Ac. Korolev 3, 614130 Perm, Russia.

出版信息

Polymers (Basel). 2022 May 24;14(11):2136. doi: 10.3390/polym14112136.

DOI:10.3390/polym14112136

PMID:35683810

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9182979/

Abstract

The influence of the molecular weight of oligoamine, oligoether, and the type of diisocyanate on the physical and mechanical properties of elastomers with urethane hydroxyl hard segments was studied. For this purpose, oligoetherdiamines with molecular weights ~1008 and ~1400 g mol were synthesized by a three-stage method. Epoxyurethane oligomers were synthesized according to a two-step route with an oligodiisocyanate as an intermediate product. A series of 12 elastomers with controlled crystallinity were synthesized from these elastomers and amines. The deformation and strength properties of the elastomers were studied.

摘要

研究了低聚胺、低聚醚的分子量以及二异氰酸酯的类型对含聚氨酯羟基硬段弹性体物理和力学性能的影响。为此，采用三步法合成了分子量约为1008和1400 g/mol的低聚醚二胺。以低聚二异氰酸酯为中间产物，通过两步路线合成了环氧聚氨酯低聚物。由这些弹性体和胺合成了一系列12种结晶度可控的弹性体。研究了弹性体的变形和强度性能。