Condensed phase polymers

An elastomeric block copolymer represented by the formula

• [A--(B/Z)].sub.y L.sub.z
• where:
• A is a nonelastomeric polymer segment based on a monovinyl aromatic compound;
• B/Z is an elastomeric copolymer of conjugated diene compound and a condensing reagent having the general formula
• CH.sub.2 .dbd.(R')QY(R).sub.n (X).sub.m
• where:
• X is H, --OR", Cl, Br or F wherein R" is a monovalent lower alkyl group having from 1 to 6 carbon atoms;
• R is hydrogen or a monovalent lower alkyl
• group having from 1 to 6 carbon atoms or a phenyl;
• Y is tetravalent Si, Ge, Sn or Pb;
• Q is phenylene;
• R' is hydrogen, a monovalent lower alkyl group having from 1 to 6 carbon atoms or phenyl;
• m is an integer of 1, 2 or 3;
• and
• n is an integer equal to 3--m;
• L is the residue of a multifunctional linking agent;
• y is an integer from 1 to about 50;
• z is an integer from zero to about 10 and, when y is 1, z is zero;
• and
• wherein the mole percentage of Z in the segment B/Z is in the range of about 0.01% to about 1%.

An elastomeric block copolymer represented by the formula

• [(A/Z)--B].sub.y L.sub.z
• where:
• B is an elastomeric polymer segment based on a conjugated diene compound;
• A/Z is a nonelastomeric copolymer of a monovinyl aromatic compound and a condensing reagent having the general formula
• CH.sub.2 .dbd.C(R')QY(R).sub.n (X).sub.m
• where
• X is H, --OR", Cl, Br or F wherein R" is a monovalent lower alkyl group having from 1 to 6 carbon atoms;
• R is hydrogen or a monovalent lower alkyl group having from 1 to 6 carbon atoms or a phenyl;
• Y is tetravalent Si, Ge, Sn or Pb;
• Q is phenylene;
• R' is hydrogen, a monovalent lower alkyl group having from 1 to 6 carbon atoms or phenyl;
• m is an integer of 1 2 or 3;
• and
• n is an integer equal to 3--m;
• L is the residue of a multifunctional linking agent;
• y is an integer from 1 to about 50;
• z is an integer from zero to about 10 and, when y is 1, z is zero;
• and
• wherein the mole percentage of Z in the segment A/Z is in the range of about 0.1% to about 5%.

An elastomeric block copolymer represented by the formula

• [(A/Z)--(B/Z)].sub.y L.sub.z
• where:
• A/Z is a nonelastomeric copolymer of a monovinyl aromatic compound and a condensing reagent having the general formula
• CH.sub.2 .dbd.C(R')QY(R).sub.n (X).sub.m
• where
• X is H, --OR", Cl, Br or F wherein R" is a monovalent lower alkyl group having from 1 to 6 carbon atoms;
• R is hydrogen or a monovalent lower alkyl group having from 1 to 6 carbon atoms or a phenyl;
• Y is tetravalent Si, Ge, Sn or Pb;
• Q is phenylene;
• R' is hydrogen, a monovalent lower alkyl group having from 1 to 6 carbon atoms or phenyl;
• m is an integer of 1, 2 or 3;
• and
• n is an integer equal to 3--m;
• B/Z is an elastomeric copolymer of a conjugated diene compound and said condensing reagent;
• L is the residue of a multifunctional linking agent;
• y is an integer from 1 to about 50;
• z is an integer from zero to about 10 and, when y is 1, z is zero;
• and
• wherein the mole percentage of Z in the segment A/Z is in the range of about 0.1% to about 5% and in the segment B/Z is in the range of about 0.01% to about 1%.

An elastomeric block copolymer represented by the general formula

• [(W).sub.x Z.sub.q --W'].sub.y L.sub.z
• wherein:
• W is selected from the group consisting of A, B, AB, and BA;
• W' is selected from the group consisting of B, BA, and AB;
• A is a nonelastomeric polymer segment based on a monovinyl aromatic compound;
• B is an elastomeric polymer segment based on a conjugated diene compound;
• Z is the residue of a condensing reagent having the general formula
• CH.sub.2 .dbd.C(R')QY(R).sub.n (X).sub.m
• wherein:
• X is H, --OR", Cl, Br, or F wherein R" is a monovalent lower alkyl group having from 1 to 6 carbon atoms;
• R is hydrogen, a monovalent lower alkyl group having from 1 to 6 carbon atoms, or phenyl;
• Y is tetravalent Si, Ge, Sn, or Pb;
• Q is phenylene;
• R' is hydrogen, a monovalent lower alkyl group having from 1 to 6 carbon atoms, or phenyl;
• m is an integer of 1, 2, or 3;
• and
• n is an integer equal to 3--m;
• q is an integer from 1 to about 10;
• L is the residue of a multifunctional linking agent;
• x is an integer from 2 to about 10;
• y is an integer from 1 to about 50;
• z is an integer from zero to about 10 and, when y is 1, z is zero;
• and
• wherein the mole percentage of Z in the segment (W).sub.x Z.sub.q is in the range of about 0.01% to about 5%.