Effect of physical properties of samples on the mechanical characteristics of high-density polyethylene (HDPE)

IF 1.9 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Advances in Materials Research-An International Journal Pub Date : 2021-03-01 DOI:10.12989/AMR.2021.10.1.067

A. Kalmagambetova, T. Bogoyavlenskaya

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Abstract

This study aimed an experimental data about the effect of physical properties of samples on the mechanical characteristics of high-density polyethylene (HDPE) used for the manufacture of preinsulated pipes for heating networks. The main waterproofing insulation material in the construction of preinsulated pipelines for heating networks is polyethylene. Outer outer casing of preinsulated pipes made of high density polyethylene (HDPE) are used as a waterproofing insulation of polyurethane foam of steel pipes manufactured in the factory. The sufficient resistances to cracking and mechanical stress, resistance to ultraviolet radiation, high density, high strength, low aging are main properties of HDPE. The study of HDPE of different manufacturers is relevant because of the aging of preinsulated pipelines with HDPE outer casing. In this study are tested physical characteristics of HDPE as a melt flow rate, density at 23°C, water content of PE80, PE100 pipe polyethylene of different world manufacturers. The best samples of HDPE and the effects of various aging factors on the properties of polyethylene are presented.

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样品物理性能对高密度聚乙烯(HDPE)力学特性的影响

本研究旨在研究样品的物理性质对用于制造热网预保温管道的高密度聚乙烯(HDPE)机械特性影响的实验数据。供热管网预保温管道施工中的主要防水保温材料是聚乙烯。预保温管外套管采用高密度聚乙烯(HDPE)制成，作为工厂生产的钢管聚氨酯泡沫的防水保温材料。充分的抗开裂和机械应力、抗紫外线辐射、高密度、高强度、低老化是HDPE的主要性能。由于HDPE预保温管道的老化问题，对不同厂家HDPE的研究具有重要意义。本研究分别测试了HDPE的物理特性，如熔体流动速率、23℃下的密度、PE80、PE100管道聚乙烯的含水量等。介绍了HDPE的最佳样品及各种老化因素对聚乙烯性能的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Materials Research-An International Journal MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

3.50

自引率

27.30%

发文量