Applicability of technical biopolymers as absorber materials in solar thermal collectors

被引：6
作者：
Klein, Andrea [1 ]
Oreski, Gernot [2 ]
Resch-Fauster, Katharina [1 ]
机构：
[1] Univ Leoben, Mat Sci & Testing Polymers, Otto Glockel Str 2, A-8700 Leoben, Austria
[2] Polymer Competence Ctr Leoben GmbH, Roseggerstr 12, A-8700 Leoben, Austria
来源：
SOLAR ENERGY | 2017年 / 153卷
关键词：
Solar thermal collectors; Solar absorber materials; Biopolymers; Aging behavior; FLAT-PLATE COLLECTORS; AGING BEHAVIOR; OVERHEATING PROTECTION; PLASTICS; FILMS; WATER;
D O I：
10.1016/j.solener.2017.05.069
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A broad spectrum of commercially available technical biopolymers is screened with respect to applicability as absorber materials in solar collectors. Technical biopolymers nominated as potentially suitable (bio-polyamide, poly(lactic acid), cellulose acetate, cellulose acetate butyrate, poly(trimethylene terephthalate)) are characterized in detail and in particular with regards to their application relevant aging behaviour. Candidate materials are subjected to various exposure conditions (in water at 35 degrees C and 80 degrees C, in air at 60 degrees C, 70 degrees C and 80 degrees C and to the Xenontest - depending on potential collector type) for up to 1000 h. Continuously both application relevant and aging-indicative properties such as thermal, mechanical and morphological characteristics are analysed. Consequently property changes and underlying aging mechanisms are discussed. Based on these results potential application opportunities of the materials are considered. Concisely, the study reveals a high potential of technical biopolymers for solar thermal applications. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：276 / 288
页数：13
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