Preparation and Performance Optimization of Aerogel-Porous Zeolite Composite Loaded Inorganic Composite Polystyrene Insulation Board

doi:10.16552/j.cnki.issn1001-1625.2024.0772

Abstract

Abstract: Under the background of energy saving, emission reduction and "double carbon" target, it is urgent to develop a type of inorganic composite polystyrene A class thermal insulation board integrated with diversified functions. Aerogels and porous zeolites possess porous structural characteristics and are excellent materials with low thermal conductivity coefficient. In this paper, aerogel-porous zeolite composite was firstly synthesized, and the influences of different dosages of EPS particles, aerogel-porous zeolite composite and modifying agent on the dry density, thermal conductivity, mechanical strength, fire prevention and waterproof performance of aerogel-porous zeolite composite loaded inorganic composite polystyrene insulation board (AIPIB) were comprehensively studied. AIPIB with dry density of 152 kg/m³, thermal conductivity coefficient of lower than 0.050 W/(m·K), combustion performance of class A, 14 d compressive strength of higher than 0.15 MPa, 7 d saturation absorption of less than 5% is achieved, and the interface bonding of AIPIB is good. Compared with the performance of the A class thermal insulation board specified in “Thermal composite polystyrene foam insulation board” (JG/T 536—2017), AIPIB has lower thermal conductivity coefficient, higher compressive strength, better waterproof and fire prevention performance, and the bonding performance between inorganic and organic component is good with outstanding comprehensive advantages.

Key words: inorganic polystyrene insulation board, aerogel-porous zeolite composite loading, thermal conductivity coefficient, flame retardant performance, microstructure

CLC Number:

TU55

ZHANG Weiyi, LUO Jianlin, WU Dagang, WANG Chunzeng, SHANG Huaishuai, LIU Zhijun. Preparation and Performance Optimization of Aerogel-Porous Zeolite Composite Loaded Inorganic Composite Polystyrene Insulation Board[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(1): 332-342.

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