Cell structure control and performance of rigid polyurethane foam with lightweight, good mechanical, thermal insulation and sound insulation

被引:13
作者
Fu, Yuntao [1 ]
Qiu, Chen [1 ]
Ni, Long [1 ]
Ye, Hang [1 ]
Zou, Huawei [1 ]
Luo, Yinfu [1 ]
Liang, Mei [1 ]
机构
[1] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
关键词
Polyurethane; Rigid foam; Cell structure; Mechanical properties; Thermal insulation; Sound insulation; HIGHLY FUNCTIONAL POLYOLS; DENSITY; OIL;
D O I
10.1016/j.conbuildmat.2024.138068
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Lightweight and excellent mechanical properties rigid polyurethane foams (RPUFs) play an irreplaceable role in aerospace, construction and transportation fields. Microstructure is an important factor in controlling properties of RPUFs. In this study, RPUFs with different cell structures were fabricated by adjusting foaming agent. The relationship between cell structure parameters (cell size, wall thickness, closed cell rate and cell anisotropy) and density was determined based on SEM analysis. The compressive, bending, impact, heat insulation and sound insulation properties were tested. The results showed that cell structure was related to mechanical properties, which was reflected in the linear relationship between log (density) and log (mechanical properties). RPUF0.4 with a density of 148 kg/m3 possessed excellent compressive strength, flexural strength, flexural modulus and impact strength of 2.89 MPa, 2.60 MPa, 35.41 MPa and 1.06 kJ/m2. Thermal and sound insulation properties were depended on cell size and closed cell rate, the thermal conductivity of RPUFs ranged from 0.0398 to 0.0515 W/(m & sdot;K), and the sound transmission loss of RPUF1.4 exceeded 25 dB in 500-5000 Hz. The comprehensive properties were regulated by adjusting cell structure, which provides a theoretical basis for the design of RPUFs with specific properties.
引用
收藏
页数:11
相关论文
共 50 条
[41]   Mechanical reprocessing of polyurethane and phenolic foams to increase the sustainability of thermal insulation materials [J].
Simonini, Laura ;
Sorze, Alessandro ;
Maddalena, Lorenza ;
Carosio, Federico ;
Dorigato, Andrea .
POLYMER TESTING, 2024, 138
[42]   Cell morphology and mechanical properties of rigid polyurethane foam [J].
Cameron Hawkins, Michelle ;
O'Toole, Brendan ;
Jackovich, Dacia .
JOURNAL OF CELLULAR PLASTICS, 2005, 41 (03) :267-285
[43]   A lightweight, thermal insulation and excellent weatherability foam crosslinked by electron beam irradiation [J].
Zhang, Zhen Xiu ;
Wang, Cong ;
Wang, Shuai ;
Wen, Shibao ;
Phule, Ajit Dattatray .
RADIATION PHYSICS AND CHEMISTRY, 2020, 173
[44]   Mechanical and thermophysical properties of polyurethane foam thermal insulation coatings intended for controlling the stability of deep quarry banks [J].
V. Yu. Izakson ;
E. P. Aprosimova ;
S. P. Shkulev .
Journal of Mining Science, 1998, 34 :317-319
[45]   Mechanical and thermophysical properties of polyurethane foam thermal insulation coatings intended for controlling the stability of deep quarry banks [J].
Izakson, VY ;
Aprosimova, EP ;
Shkulev, SP .
JOURNAL OF MINING SCIENCE, 1998, 34 (04) :317-319
[46]   Characterization and performance evaluation of lightweight thermal insulation recycled concrete [J].
Xu, Chenyang ;
Pan, Wangjie ;
Zhang, Pengfei ;
Zhang, Zhizhu ;
Wang, Zixu ;
Su, Dunlei ;
Shao, Changhai ;
Li, Qiuyi ;
Guo, Yuanxin .
DISCOVER APPLIED SCIENCES, 2024, 6 (06)
[47]   Reinforced magnetic polyurethane rigid (PUR) foam nanocomposites and investigation of thermal, mechanical, and sound absorption properties [J].
Moghaddam, Sahebeh Tamaddoni ;
Naimi-Jamal, Mohammad Reza .
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS, 2019, 32 (09) :1224-1241
[48]   SUSTAINABILITY OF POLYURETHANE THERMAL INSULATION - PERFORMANCE ASSESSMENT AT BUILDING AND BUILDING COMPONENT LEVEL [J].
Kotaji, Shpresa ;
Loebel, Oliver .
CESB 10: CENTRAL EUROPE TOWARDS SUSTAINABLE BUILDING - FROM THEORY TO PRACTICE, 2010, :399-+
[49]   Coastal Building Energy Conservation Based on Rigid Polyurethane Foam External Wall Insulation Technology [J].
Zhao, Xia .
JOURNAL OF COASTAL RESEARCH, 2020, :247-250
[50]   Sound absorption and insulation property of closed-cell aluminum foam [J].
尉海军 ;
李兵 ;
姚广春 ;
王晓林 ;
罗洪杰 ;
刘宜汉 .
Transactions of Nonferrous Metals Society of China, 2006, (S3) :1383-1387