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Patent Searching and Data


Title:
ASPHALT COMPOSITION FOR PAVING ROADS
Document Type and Number:
WIPO Patent Application WO/2018/003151
Kind Code:
A1
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.

Inventors:
SHIRAI, Eiji (1334 Minato, Wakayama-sh, Wakayama 80, 〒6408580, JP)
Application Number:
JP2017/001264
Publication Date:
January 04, 2018
Filing Date:
January 16, 2017
Export Citation:
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Assignee:
KAO CORPORATION (14-10, Nihonbashi Kayabacho 1-chome Chuo-k, Tokyo 10, 〒1038210, JP)
International Classes:
C08L95/00; C08G63/16; C08K3/00; C08L67/00; E01C7/26
Foreign References:
JPH04320453A1992-11-11
JP2013222044A2013-10-28
JPH048766A1992-01-13
JPS5469136A1979-06-02
JP2009286871A2009-12-10
JP2009175755A2009-08-06
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Toranomon ES Bldg. 7F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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