Bio-based rigid high-density polyurethane foams as a structural thermal break material

被引：38
|
作者：
Andersons, J. [1 ,2 ]
Kirpluks, M. [1 ]
Cabulis, P. [3 ]
Kalnins, K. [3 ]
Cabulis, U. [1 ]
机构：
[1] Latvian State Inst Wood Chem, 27 Dzerbenes Str, LV-1006 Riga, Latvia
[2] Univ Latvia, Inst Mech Mat, 23 Aizkraukles Str, LV-1006 Riga, Latvia
[3] Riga Tech Univ, 1 Kalku Str, LV-1658 Riga, Latvia
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 260卷
关键词：
Polyurethane foams; Thermal break; Thermal conductivity; Mechanical properties; MECHANICAL-PROPERTIES; INSULATION MATERIALS; CONDUCTIVITY; STRENGTH; SUPPORT; LIGNIN; OIL;
D O I：
10.1016/j.conbuildmat.2020.120471
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Sustainable development of building industry implies increasing usage of green materials. With this aim and for the intended application as a structural thermal break material, rigid high-density polyurethane foams have been manufactured using polyols derived from renewable resources - tall oil fatty acids. Thermal conductivity, compressive strength and stiffness of the foams of density ranging from ca. 100 to 680 kg/m(3) have been determined. Comparison of the bio-based foams with reference foams derived from petrochemical resources demonstrated similar performance characteristics thus suggesting that bio-based foams can also serve as structural thermal break materials. Analytical models are shown to enable estimation of density dependence of the thermal and mechanical properties of foams using the respective experimentally determined characteristics of the monolithic polyurethane polymer. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：7
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