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US 12,043,577 B2Granted
Asphalt composition
AssigneeKao Corporation
InventorNorihiro Fukuri
Life of this patent
Estimating the term…
Abstract
The present invention relates to an asphalt composition containing asphalt and a polyester, wherein the polyester includes an alcohol component-derived structural unit including an alkylene oxide adduct of bisphenol A and an alkylene glycol compound having 3 or more carbon atoms (exclusive of the alkylene oxide adduct of bisphenol A).
Claims10
An asphalt composition comprising asphalt, and a polyester and a thermoplastic elastomer, wherein
- the polyester includes an alcohol component-derived structural unit including an alkylene oxide adduct of bisphenol A and an alkylene glycol compound having 3 or more carbon atoms exclusive of the alkylene oxide adduct of bisphenol A, and
- wherein the thermoplastic elastomer is at least one selected from the group consisting of a styrene/butadiene block copolymer, a styrene/butadiene/styrene block copolymer, a styrene/butadiene random copolymer, a styrene/isoprene block copolymer, a styrene/isoprene/styrene block copolymer, a styrene/isoprene random copolymer, an ethylene/vinyl acetate copolymer, and an ethylene/acrylic acid ester copolymer.
Dependencies are inferred from the claim text.