Permanent surface modifiers

A compound of the formula IV

• wherein,
• A1 is a residue selected from the group consisting of polyol, sorbitol, sorbitane, glycerol, diglycerol, polyglycerol, ethoxylated or propoxylated glycerol, ethoxylated or propoxylated sorbitane, hydroxy C1-C4alkylamine, a polyoxyalkylene ether residue of the formula —O—[—CHR1—(CH2)rO]q—CHR1—(CH2)r—OR2 and a residue of the formula —O—[—CHR1—(CH2)r]g—(CF2)j—CF3, wherein
• R1 is hydrogen or C1-C4alkyl,
• R2 is C1-C20alkyl,
• g is from 0 to 5,
• j is from 1 to 20,
• r is 1, 2, 3 or 4 and
• q is from 1 to 100,
• R is hydrogen, C1-C20alkyl, C1-C20hydroxyalkyl, C5-C8cycloalkyl, C2-C20alkenyl, C2-C20alkynyl or C6-C20aryl,
• A2 is hydrogen, OR6, —NR7R8, —SR9, —OCH2C(O)-A1 or —C(O)-A1, wherein
• R6, R7, R8, R9 each independently are hydrogen, C1-C20alkyl, C1-C20hydroxyalkyl, C5-C8cycloalkyl, C2-C20alkenyl, C2-C20alkynyl or C6-C20aryl,
• A3 is C1-C6alkoxy,
• A4 is H or C1-C6alkyl,
• Q is —CH2—CH2—(NR10)—CH2—CH2—, —(CHR11—CH2)p— or —CR11H—CH2—O—(CHR11—CH2—O—)p—CHR11—CH2—, wherein
• R10 is hydrogen, C1-C20alkyl, C1-C20hydroxyalkyl,
• R11 is hydrogen or C1-C4alkyl and
• p is from 1 to 100,
• Z1 and Z2 each independently are O, S or NR12 wherein
• R12 is hydrogen, C1-C20alkyl or C1-C20hydroxyalkyl and
• s is from 2 to 50.