塑料科技2024，Vol.52Issue(1)：71-74,4.DOI:10.15925/j.cnki.issn1005-3360.2024.01.016
具备隔音隔热性能的PVC复合材料的制备及其性能研究
Preparation and Properties of PVC Composites with Sound Insulation and Thermal Insulation Properties
摘要
Abstract
Using recycled waste polyvinyl chloride(PVC)pipe powder as a raw material,the chain extension modification was carried out by triallyl isocyanurate(TAIC),and SiO2 hollow microspheres modified by silane coupling agent KH-550 were added to prepare PVC board with sound insulation and heat insulation function,so as to realize the recycling of waste PVC material.The results show that TAIC can effectively increase the viscosity of PVC melt and improve the mechanical properties of PVC board by enlarging the molecular chain length of PVC.Modified SiO2 microspheres can enhance the stiffness of PVC,thus improving the mechanical properties of PVC board.Modified SiO2 microbeads can improve the hydrophobicity,sound insulation,and heat insulation performance of PVC board.When the content of modified SiO2 microspheres is 3 phr,the thermal conductivity of PVC board decreases from 0.35 W/(m·K)to 0.14 W/(m·K).When the content of modified SiO2 microspheres is 15 phr,the maximum acoustic wave barrier ratio of PVC board is increased from about 50%to about 97%in the range of 800～1 400 Hz.关键词
聚氯乙烯/三烯丙基异氰脲酸酯/SiO2空心微珠/隔音性能/隔热性能/力学性能Key words
PVC/TAIC/SiO2 hollow microspheres/Sound insulation performance/Thermal insulation performance/Mechanical properties分类
通用工业技术引用本文复制引用
胡晓娜..具备隔音隔热性能的PVC复合材料的制备及其性能研究[J].塑料科技,2024,52(1):71-74,4.基金项目
山西省教育科学"十四五"规划2021年度专项课题(PJ-21033) （PJ-21033）
