Modification of heat storage ability and adhesive properties of core/shell structured phase change material nanocapsules

被引：9

作者：

Cho, Wonseok ^{[1
]}

Kook, Jun-Won ^{[1
]}

Lee, Seung Mo ^{[1
]}

Koh, Won-gun ^{[1
]}

Kim, Jung Hyun ^{[1
]}

机构：

[1] Yonsei Univ, Dept Chem & Biomol Engn, 134 Shinchon Dong, Seoul 03722, South Korea

来源：

MACROMOLECULAR RESEARCH | 2016年 / 24卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

phase change material; core/shell nanoparticles; heat storage nanoparticles; n-octadecane; polystyrene; THERMAL-ENERGY STORAGE; ALKALI-SOLUBLE RESIN; BUILDING APPLICATIONS; N-OCTADECANE; POLYMERIZATION; MICROENCAPSULATION; PERFORMANCE; SURFACTANT; COMPOSITE; SYSTEM;

D O I：

10.1007/s13233-016-4075-8

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Phase change material-polystyrene (PCM-PSt) nanocapsules were prepared via a modified resin-fortified miniemulsion (RFME) polymerization process using an alkali soluble resin (ASR). Poly(styrene-co-acrylic acid) (SAA), which is a functional amphiphilic polymer, was used as the surfactant for the resin-fortified emulsion polymerization. A co-surfactant and a crosslinker were adopted to improve the PCM encapsulation efficiency. The average particle size and heat capacity of the optimized PCM-PSt nanocapsules were about similar to 280 nm as measured by dynamic light scattering (DLS) and similar to 110 J/g as measured by differential scanning calorimetry (DSC), respectively. The morphology and the inner structure of the nanocapsules were investigated using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The synthesized nanocapsules showed good adhesive and thermal storage properties, and were amenable for processing by dip-coating methods.

引用

页码：556 / 561

页数：6

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