Amino silane-modified polymers

A modified macromolecular compound of the following Formula A:

• wherein
• R3 and R4 are each independently selected from —OH, (C1-C18) alkyl, (C6-C18) aryl and (C7-C18) aralkyl;
• R5 and R6 are each independently selected from hydrogen, (C1-C18) alkyl, (C6-C18) aryl and (C7-C18) aralkyl;
• P is an elastomeric diene polymer chain comprising monomer units derived from at least one of the following monomers:
• butadiene, isoprene, styrene and alpha-methylstyrene;
• and
• K represents a hydrogen atom or
• wherein
• R1 is independently selected from a hydrogen atom and (C1-C4) alkyl;
• R2 is independently selected from (C1-C18) alkyl;
• Y is at least divalent and is (C1-C18) alkyl, which may be substituted with one or more of the following groups:
• tertiary amine group, silyl group, (C7-C18) aralkyl group and (C6-C18) aryl group;
• and
• Z represents hydrogen or
• wherein
• M1 is a silicon atom or a tin atom;
• R7 and R8 are independently selected from (C1-C18) alkyl, (C6-C18) aryl and (C7-C18) aralkyl;
• and T represents R11 or
• wherein
• Y is as defined above;
• R9 is independently selected from (C1-C18) alkyl;
• R10 is independently selected from a hydrogen atom and (C1-C4) alkyl;
• R11 is selected from (C1-C18) alkyl, (C6-C18) aryl and (C7-C18) aralkyl;
• and
• D represents OR1 or
• wherein
• R1, P, R3, R4, R5 and R6 are as defined above;
• and
• p and o are each independently selected from an integer of 1, 2 and 3;
• m, n, t and u are each independently selected from an integer of 0, 1 and 2;
• and wherein p is 1 if K is H and otherwise p+m+n=3 and t+u+o=3.