Abstract: The preparation ofsilicon modified polyether and sil icon modified polyurethane was introduced,and theformulations,properties and ap plication of silicon modified sealants were described.

• 文摘:简要地回顾了硅改性聚醚和硅改性聚氨酯密封剂的出现和发展，对硅改性聚醚和硅改性聚氨酯的制备作了简要的介绍，并对硅改性密封剂的配方、性能和应用作了进一步阐述。