| 摘要 |
The present invention concerns new s-triazines of the formula wherein W1, W2 and W3 each independently signifies C1-C20 alkyl or a group SpSil; X1, X2 and X3 each independently signifies O or NH; Sp signifies a spacer group; Sil signifies a silane, an oligosiloxane or a polysiloxane moiety; with the proviso that at least one of W1, W2 and W3 signifies SpSil.
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