Impact of biodiesel sorption on mechanical properties of polyethylene

被引：30

作者：

Boehning, M. ^{[1
]}

Niebergall, U. ^{[1
]}

Adam, A. ^{[1
]}

Stark, W. ^{[1
]}

机构：

[1] BAM Fed Inst Mat Res & Testing, D-12205 Berlin, Germany

来源：

POLYMER TESTING | 2014年 / 34卷

关键词：

Biodiesel; Fuel sorption; Desorption; Impact strength; Dynamic-mechanical analysis; PE-HD; RELAXATION; POLYMERS;

D O I：

10.1016/j.polymertesting.2013.12.003

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The time-dependent sorption of biodiesel in a typical polyethylene for container applications is investigated in comparison to conventional diesel fuel at three different temperatures. In this context, the desorption behavior is also addressed. Subsequently, the effects of both penetrants on mechanical properties are characterized in terms of impact strength and dynamic-mechanical analysis. The discussion of property changes is firstly based on the sorption kinetics of biodiesel and diesel, which is determined by immersion experiments allowing for the calculation of respective diffusion coefficients. Changes in impact strength as determined by the Charpy method are further characterised in more detail by analyzing the fracture surfaces, and correlated with results of dynamic-mechanical analysis. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：17 / 24

页数：8

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