Antisoiling coatings for antireflective substrates

A method of depositing an antisoiling composition on an antireflective coated ophthalmic lens comprising vaporizing an antisoiling composition and depositing the antisoiling composition onto an antireflective coated ophthalmic lens, wherein the antisoiling composition is selected from the group consisting of:

• CnF2n+1O(CF(CF3)CF2O)zCF(CF3)C(O)NHCxH2xSi(L)3 wherein n is 1 to 4, z is 3 to about 15 and x is 1 to about 10 and L is selected from the group consisting of —OR and —NR′2 wherein R is an alkyl group containing 1 to about 10 carbon atoms and R′ is selected from the group consisting of H and an alkyl group containing 1 to about 10 carbon atoms;
• X—CF(CF3)(OCF2CF(CF3))mO(CnF2n)O(CF(CF3)CF2O)qCF(CF3)—X,
• wherein m is an integer of 0 to about 40, n is an integer of 2 to 4, q is an integer of 0 to about 40, wherein both m and q are not equal to 0, and X is —C(O)NH(CH2)qSi(L)3 wherein q is 1 to about 10 and L is selected from the group consisting of —OR and —NR′2 wherein R is an alkyl group containing 1 to about 10 carbon atoms and R′ is selected from the group consisting of H and an alkyl group containing 1 to about 10 carbon atoms;
• XCF2O(CF2O(C2F4O)p CF2X wherein m is 1 to about 20, p is 1 to about 20 and X is —C(O)NH(CH2)qSi(L)3 wherein q is 1 to about 10 and L is selected from the group consisting of —OR and —NR′2 wherein R is an alkyl group containing 1 to about 10 carbon atoms and R′ is selected from the group consisting of H and an alkyl group containing 1 to about 10 carbon atoms;
• and
• combinations thereof,
• wherein the average molecular weight of the antisoiling composition is about 800 to about 6000 and wherein the antisoiling composition is placed in a first chamber and the antireflective coated ophthalmic lens is placed in a second chamber connected to the first chamber such that vaporized antisoiling composition from the first chamber can deposit on the antireflective coated ophthalmic lens in the second chamber.