| 主权项 |
1. A hydrolysable silane of the formula Y—OC(O)-(Az)-Z wherein Y and Z each represent a hydrocarbyl or substituted hydrocarbyl group having 1 to 40 carbon atoms, at least one of Y and Z being a group of the formula RaR′3-aSi-A in which R represents a hydrolysable group; R′ represents a hydrocarbyl group having 1 to 8 carbon atoms; a has a value in the range 1 to 3 inclusive; and A represents a divalent organic spacer linkage having at least one carbon atom, Az represents an aziridine ring wherein Z is bonded to Az through its nitrogen atom, provided that when in Z A is a propyl group, Y has at least 3 carbon atoms. |
