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US 2024/0218184 A1Published application
Asphalt composition
AssigneeKao Corporation
InventorMachiko IE
Life of this patent
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Abstract
An asphalt composition containing asphalt (A) and a composite resin (B), wherein the composite resin (B) contains a polyester resin (b1) unit and a vinyl-based polymer (b2) unit bonded via a covalent bond, wherein the polyester resin (b1) unit contains a structural unit derived from an alcohol component and a structural unit derived from a carboxylic acid component, and the vinyl-based polymer (b2) unit contains a structural unit derived from styrene.
Claims17
An asphalt composition comprising asphalt (A) and a composite resin (B),
- wherein the composite resin (B) contains a polyester resin (b1) unit and a vinyl-based polymer (b2) unit bonded via a covalent bond,
- wherein the polyester resin (b1) unit contains a structural unit derived from an alcohol component and a structural unit derived from a carboxylic acid component,
- and the vinyl-based polymer (b2) unit contains a structural unit derived from styrene.
A production method of an asphalt mixture comprising,
- mixing asphalt (A) and composite resin (B) to obtain an asphalt composition, and
- mixing the asphalt composition and a heated aggregate,
- wherein the composite resin (B) contains a polyester resin (b1) unit and a vinyl-based polymer (b2) unit bonded via a covalent bond,
- wherein the polyester resin (b1) unit contains a structural unit derived from an alcohol component and a structural unit derived from a carboxylic acid component,
- and the vinyl-based polymer (b2) unit contains a structural unit derived from styrene.
2 more elements
Dependencies are inferred from the claim text.