Emulsified crack or joint filler

Claim 2

An emulsified composition useful as a cold-pour crack and joint filler, said composition comprising an aqueous emulsion of the reaction product of an asphalt having a penetration of about 210 to about 325, an extender oil, which is a hydrocarbon oil, a mixture of elastomers, said mixture including a liquid rubber and at least one block copolymer, said liquid rubber being a hydroxy terminated homopolymer or copolymer of a conjugated diene and said block copolymer being a copolymer of one or more conjugated dienes and one or more ethylenic monomers, a vinyl aromatic monomer and an acrylamide, and the reactant materials being selected and employed in amounts so that the solid emulsion residue meets the requirements of ASTM Specification D-1190.

Claim 3

A composition as defined in claim 1, wherein the liquid rubber is a hydroxy-terminated homopolymer of butadiene.

Claim 4

A composition as defined in claim 1, wherein the mixture of elastomers includes at least one block copolymer of styrene and a conjugated diene.

Claim 5

A composition as defined in claim 1, wherein the mixture of elastomers includes a mixture of a triblock copolymer of styrene a butadiene and a diblock copolymer of styrene and butadiene, the amount of said diblock copolymer exceeding the amount of said triblock copolymer.

Claim 6

A composition as defined in claim 1, wherein the vinyl aromatic monomer is styrene.

Claim 7

An emulsified composition useful as a cold-pour crack and joint filler, said composition comprising the reaction product of: ______________________________________ Ingredient Weight % ______________________________________ Asphalt of Penetration 210-300 65-75 Extender Oil which is a 2-10 Hydrocarbon Oil Hydroxy-terminated Polymer 1-6 of a Conjugated Diene Block Copolymer of a 9-20 Conjugated Diene and a Vinyl Monomer Vinyl Monomer 5-10 Acrylamide 0.1-3 ______________________________________ reacted under reflex for an extended period at an elevated temperature and emulsified in a cationic emulsification medium comprising water, a surfactant and a high molecular weight acrylamide polymer, and the reactant materials being selected and employed in amounts so that the solid emulsion residue meets the specification of ASTM Specification D-1190.

Claim 8

An emulsified composition useful as a cold-pour crack and joint filler, said composition comprising the reaction product of: ______________________________________ Ingredient Weight % ______________________________________ Asphalt of Penetration 210-300 65-75 Extender Oil which is a 2-10 Hydrocarbon Oil Hydroxy-terminated Polymer 1-6 of a Conjugated Diene Block Copolymer of a 9-20 Conjugated Diene and a Vinyl Monomer Vinyl Monomer 5-10 Acrylamide 0.1-3 ______________________________________ reacted under reflex for an extended period at an elevated temperature and emulsified in a cationic emulsification medium comprising water, a surfactant and a high molecular weight acrylamide polymer, and the reactant materials being selected and employed in amounts so that the solid emulsion residue meets the specification of ASTM Specification D-1190.

Claim 9

A composition as defined in claim 6, wherein the hydroxy-terminated polymer is a hydroxy-terminated homopolymer of butadiene.

Claim 10

A composition as defined in claim 6, wherein the block copolymer is a mixture of about 2% to about 5% of a triblock copolymer of styrene and butadiene and about 7% to about 15% of a diblock copolymer of styrene and butadiene.

Claim 13

A method as defined in claim 9, wherein the conjugated diene is butadiene.

Claim 14

A method as defined in claim 9, wherein the at least one block copolymer is a block copolymer of styrene and a conjugated diene.

Claim 15

A method as defined in claim 11, wherein the at least one block copolymer is a mixture of a diblock copolymer and a triblock copolymer.

Claim 16

A composition as defined in claim 3, wherein the mixture of elastomers includes a mixture of a triblock copolymer of styrene and butadiene and a diblock copolymer of styrene and butadiene.

Claim 17

An emulsified composition useful as a cold-pour crack and joint filler, said composition comprising an aqueous emulsion of the reaction product of an asphalt, which has a penetration of from about 210 to 325 at 77° F., an extender oil which is a hydrocarbon oil high in saturates and low in aromatics, a mixture of elastomers wherein said mixture includes a liquid rubber, which is a hydroxy-terminated homopolymer or copolymer of a conjugated diene and wherein said mixture further includes a mixture of a triblock copolymer of styrene and butadiene and a diblock copolymer of styrene and butadiene, a vinyl aromatic monomer and an acrylamide, the reactant materials being selected and employed in amounts so that the solid emulsion residue meets the requirements of ASTM Specification D-1190.

Claim 18

An emulsified composition useful as a cold-pour crack and joint filler, said composition comprising an aqueous emulsion of the reaction product of an asphalt, which has a penetration of from about 210 to 325 at 77° F., an extender oil which is a hydrocarbon oil high in saturates and low in aromatics, a mixture of elastomers wherein said mixture includes a liquid rubber, which is a hydroxy-terminated homopolymer or copolymer of a conjugated diene and wherein said mixture further includes a mixture of a triblock copolymer of styrene and butadiene and a diblock copolymer of styrene and butadiene, a vinyl aromatic monomer and an acrylamide, the reactant materials being selected and employed in amounts so that the solid emulsion residue meets the requirements of ASTM Specification D-1190.

Claim 19

The composition of claim 14 wherein said ethylenic monomer is styrene.