| 摘要 |
A water soluble or water dispersible fluorochemical silane represented by the general formula:(I)wherein X represents the residue of an initiator or hydrogen;Mf represents units derived from one or more fluorinated monomer;Mh represents units derived from one or more non-fluorinated monomer;Ma represents units having a silyl group represented by the formula: (II) wherein each of Y4,Y5 and Y6 independently represents an alkyl group, an aryl group or a hydrolyzable group;G is a monovalent organic group comprising the residue of a chain transfer agent;n represents a value of 1 to 100;m represents a value of 0 to 100;and r represents a value of 0 to 100;and n+m+r is at least 2;with the proviso that at least one of the following conditions is fulfilled: (a) G contains a silyl group of the formula:(III)wherein Y1, Y2 and Y3 each independently represents an alkyl group, an aryl group or a hydrolyzable group and at least one of Y1, Y2 and Y3 represents a hydrolyzable water solubilising group; or (b) r is at least 1 and at least one of Y4, Y5 and Y6 represents a hydrolyzable water solubilizing group.
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