综述了多面体低聚倍半硅氧烷(POSS)改性传统聚合物的作用及其应用;介绍了POSS的纳米级笼形结构、良好的热力学和化学稳定性及耐热、阻燃等以及溶胶-凝胶法合成POSS的优缺点.重点介绍了POSS改性传统聚合物的作用:如提高聚合物的使用温度,降低聚合物的介电常数,提高改性体系的力学性能和阻燃性能.并指出POSS改性传统聚合物在航空航天领域及塑料工业中的应用,对POSS改性传统聚合物的增强机理及POSS新的合成途径作了展望.
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