Extreme environment surfactant compositions comprising hydrolysis resistant organomodified disiloxane surfactants

An agricultural composition comprising:

• a) a silicone having the formula:
• MM′
• where
• M=R1R2R3SiO1/2;
• M′=R4R5R6SiO1/2;
• with R1 selected from the group consisting of branched monovalent hydrocarbon radical of from 3 to 6 carbon atoms and R7, where R7 is selected from the group consisting of
• R8R9R10SiR12 and (R4R5R6)SiR12
• with R8, R9, and R10 each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms and monovalent aryl or alkaryl hydrocarbon radicals having from 6 to 13 carbon atoms and R12 is a divalent hydrocarbon radical having from 1 to 3 carbon atoms,
• R2 and R3 are each independently selected from the group of from 1 to 6 carbon atom monovalent hydrocarbon radicals or R1, with R4 an alkylpolyalkyleneoxide of the general formula:
• R13(C2H4O)a(C3H6O)b(C4H8O)cR14
• where R13 is a divalent linear or branched hydrocarbon radical having the structure:
• —CH2—CH(R15)(R16)dO—
• where R15 is H or methyl;
• R16 is a divalent alkyl radical of 1 to 6 carbons where the subscript d may be 0 or 1;
• R14 is selected from the group consisting of H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl where the subscripts a, b and c are zero or positive and satisfy the following relationships:
• 2≦a+b+c≦20 with a≧2,
• and R5 and R6 are each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms or R4;
• and
• b) an agriculturally active component selected from the group consisting of pesticides, fungicides, insecticides, herbicides and fertilizers wherein said agricultural composition has an enhanced resistance to hydrolysis.