Side chain functionalized organosiloxane polymers, coating compositions and ice-phobic coatings thereof

A coating composition comprising a silica solgel and about 1 percent to about 25 percent by weight of a functionalized organosiloxane compound covalently bonded to the silica solgel wherein the percentage weight of the functionalized organosiloxane compound is a percentage of the total weight of silica particles in the silica solgel and the functionalized organosiloxane compound;

• and
• wherein the sidechain functionalized organosiloxane compound has a structure of
• wherein R1 is a alkyl, aryl, or fluoroalkyl;
• R2 is an alkyl, trialkylsilane, polydimethyl siloxane, fluoroalkyl, polydiphenyl siloxane, or perfluoro polyether;
• R3 is a reactive or non-reactive group selected from an OH, amine, NCO, epoxy, amide, carbamate, alkyl ester, or alkyl ether;
• R4 is a zwitterionic group;
• R5 is a polypropylene glycol or polybutylene glycol;
• R6 is a trialkylsilane, alkyl, aryl, or fluoroalkyl;
• R7 is a reactive group selected from alkyl silane, alkoxy silane, hydroxyl, amine, amide, epoxy, NCO, or carbamate;
• n is selected from 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, or 25;
• a is 0-30;
• b is 0-20;
• c is at least 1;
• d is 0-20;
• e is at least 1;
• and f is at least 1;
• and wherein a+b+c+d+e+f>1.