DSC analysis of polypropylene-low density polyethylene blend fibres

被引：0
作者：
Ujhelyiová, A [1 ]
Marcincin, A [1 ]
Legén, J [1 ]
机构：
[1] Slovak Univ Technol Bratislava, FCHFT, Bratislava 81237, Slovakia
来源：
FIBRES & TEXTILES IN EASTERN EUROPE | 2005年 / 13卷 / 05期
关键词：
polypropylene; polyethylene; fibre blends; thermal behaviour; crystallisation temperature; melting temperature; melting enthalpy;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
In this paper the effect of LDPEs on the thermal behaviour of polypropylene/low-density polyethylene (PP/LDPE) fibres is presented. The DSC 7 apparatus (Perkin Elmer) for measuring the thermal properties of the PP/LDPE blend fibres was used. The PP/LDPE blend is characterised by individual melting and crystallisation temperatures of components with deviation of the basic thermal quantities compared with PPs and LDPEs. The decrease in the total melting enthalpy of the blend indicates a partial compatibility of PPs and LDPEs at a temperature above the melting point of the components at low concentrations of LDPEs. The dispersed phase has lower crystallinity in this case. LDPEs with low MFIs exhibit higher crystallinity in PP/LDPE blend fibres and contributes to the high total crystallinity of blend fibres.
引用
收藏
页码：129 / 132
页数：4
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