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1. (WO2018003151) ASPHALT COMPOSITION FOR PAVING ROADS

Pub. No.:    WO/2018/003151    International Application No.:    PCT/JP2017/001264
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Tue Jan 17 00:59:59 CET 2017
IPC: C08L 95/00
C08G 63/16
C08K 3/00
C08L 67/00
E01C 7/26
Applicants: KAO CORPORATION
花王株式会社
Inventors: SHIRAI, Eiji
白井 英治
Title: ASPHALT COMPOSITION FOR PAVING ROADS
Abstract:
The present invention pertains to: an asphalt composition for paving roads, which has superior dry strength, water immersion strength, and flexural strength; a production method therefor; and a method for paving roads. Provided are: [1] an asphalt composition for paving roads, containing asphalt, a polyester resin, and an aggregate, wherein the polyester resin is a specific polyester, and the proportion of the polyester resin is 2-30 parts by mass with respect to 100 parts by mass of the asphalt; [2] a method for producing an asphalt composition for paving roads, the method comprising a step for mixing asphalt, a polyester resin, and an aggregate at 130-200°C, wherein the polyester resin is the polyester of [1], and the proportion of the polyester resin in the mixture is 2-30 parts by mass with respect to 100 parts by mass of the asphalt; and [3] a method for paving roads, the method comprising a step for applying an asphalt composition obtained by the production method of [2], to form an asphalt pavement material layer.