Improvement of thermal inertia of styrene-ethylene/butylene-styrene (SEBS) polymers by addition of microencapsulated phase change materials (PCMs)

被引:50
作者
Juarez, D. [1 ]
Ferrand, S. [1 ]
Fenollar, O. [1 ]
Fombuena, V. [1 ]
Balart, R. [1 ]
机构
[1] UPV, ITM, Alicante 03801, Spain
关键词
SEBS; Phase change materials (PCM); Infrared thermography (IRT); Thermal inertia; MECHANICAL-PROPERTIES; THERMOPLASTIC ELASTOMER; BLOCK-COPOLYMER; TRIBLOCK COPOLYMER; FLOUR COMPOSITES; BLENDS; MORPHOLOGY; TEMPERATURE; RELAXATION; STABILITY;
D O I
10.1016/j.eurpolymj.2010.11.004
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In this work, microencapsulated phase change materials (PCMs) with a melting temperature of 52 degrees C have been used to improve thermal inertia phenomena on an elastomeric matrix of styrene-ethylene/butylene-styrene (SEBS) material. The amount of PCMs has varied in the 1-10 wt.% and these materials have been processed by conventional injection molding without PCM degradation. Mechanical characterization of SEBS-PCM compounds has been carried out and the obtained results show good maintenance of both resistant and ductile properties for PCM amounts comprised in the 1-5 wt.% range. Scanning electron microscopy (SEM) analysis has revealed good wetting properties of PCM microcapsules with the SEBS matrix which is a key factor to obtain good mechanical performance. The effect of PCM addition on thermal inertia has been evaluated by active infrared thermography (IRT), showing a remarkable effect on thermal regulation of SEBS in the temperature range close to the melting point of the PCM (52 degrees C). This thermoregulation effect is more accurate as the PCM content increases. Also, cooling curves have been constructed in order to quantify the thermal inertia effect in a cooling process. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:153 / 161
页数:9
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