| 摘要 |
<p>Preparation of crosslinked polymer containing silyl groups comprises: (a) radically polymerizing vinyl monomers in the presence of a compound containing thiocarbonyl groups (I) and (II), (b) transforming the thiocarbonyl groups in the polymer into mercapto groups and (c) coupling the polymer with a compound (A) containing crosslinking silyl group and isocyanate group, via the mercapto groups. Preparation of crosslinked polymer containing silyl groups comprises: (a) radically polymerizing vinyl monomers in the presence of a compound containing thiocarbonyl groups of formula (I) and (II), (b) transforming the thiocarbonyl groups in the resulting polymer into mercapto groups and (c) coupling the crosslinking silyl group and isocyanate group via the mercapto groups. [Image] R1>p valent organic groups having one or more carbon atoms, wherein the organic group contains atoms selected from N, O, S, halogen, Si, P or metal atoms, or is a polymer; Z1>H, halogen, or monovalent organic groups having one or more carbon atoms, wherein the organic group contains atoms selected from N, O, S, halogen, Si, P or metal atoms, or is a polymer; p : 1 or more; R2>monovalent organic group containing one or more carbon atoms, wherein the monovalent organic group contains atoms selected from N, O, S, halogen, Si, P or metal atoms, or is a polymer; and q : 2 or more. Independent claims are also included for the following: (1) the polymer obtained, and (2) a curing composition containing the polymer.</p> |
