A novel cyclic polyorganosiloxanesilazane, which is a siloxane oligomer having satisfactory reactivity, and is useful as a silylating agent that does not generate reaction residues. Also, a method of producing the cyclic polyorganosiloxanesilazane. The cyclic polyorganosiloxanesilazane is represented by general formula (1) shown below:
wherein R
1
to R
4
each represents an unsubstituted or substituted monovalent hydrocarbon group of 1 to 8 carbon atoms, m is an integer that satisfies 1≦m≦100 and n is an integer that satisfies 1≦n≦100, provided that m+n is an integer that satisfies 3≦m+n≦200, and the (SiR
1
R
2
O) units and (SiR
3
R
4
NH) units may be bonded randomly.
一种新型的环状多器官
硅氧烷硅氮烷,是具有良好反应性的
硅氧烷寡聚体,可用作不产生反应残留物的
硅基化剂。此外,还提供了一种制备环状多器官
硅氧烷硅氮烷的方法。该环状多器官
硅氧烷硅氮烷由下面所示的通式(1)表示:其中R1至R4分别表示1到8个碳原子的未取代或取代的一价碳氢基团,m是满足1≦m≦100的整数,n是满足1≦n≦100的整数,且m+n是满足3≦m+n≦200的整数,(SiR1R2O)单元和(SiR3R4NH)单元可能随机连接。