| abstract |
An article having a hydrophilic surface of a material, including a base material having a surface; and a siloxane oligomer represented by Chemical Formula 1 chemically affixed to the surface of the base material wherein the organosiloxane coating comprises a reaction product of a siloxane oligomer represented by Chemical Formula 1 or a polysiloxane derived therefrom, with a phosphonic acid compound represented by Chemical Formula 2: n n n n n n n n n n herein in Chemical Formula 1, R 1 , R 2 , and R 3 are the same or different, and are each independently hydrogen or a C1 to C3 alkyl group, A is a single bond or a C1 to C5 alkylene group, and n ranges from 2 to 3; n GN[CH 2 PO 3 H 2 ] 2 Chemical Formula 2n n wherein in Chemical Formula 2, G is —CH 2 PO 3 H 2 , a group represented by Chemical Formula 3, or a group represented by Chemical Formula 4 as described herein. |