Title:
METHOD FOR PRODUCING ASPHALT EMULSION
Document Type and Number:
WIPO Patent Application WO/2022/158567
Kind Code:
A1
Abstract:
The present invention pertains to: [1] a method for producing an asphalt emulsion, the method comprising (step 1) a step for melt-mixing asphalt and polyester to obtain an asphalt mixture, and (step 2) a step for adding by mixing an aqueous medium and a surfactant to the asphalt mixture obtained in step 1; [2] an asphalt emulsion containing composite particles, wherein the composite particles contain asphalt and polyester and have the volume median particle diameter (D50) of 1-40 μm; [3] an asphalt mixture for paving, the mixture containing the asphalt emulsion of [2] and an aggregate; and [4] a method for road paving, the method comprising a step for laying the asphalt mixture for paving of [3] onto a road at 150°C or lower.
Inventors:
KAKIUCHI HIROKI (JP)
Application Number:
PCT/JP2022/002184
Publication Date:
July 28, 2022
Filing Date:
January 21, 2022
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
E01C7/22; C08L95/00; E01C7/24
Domestic Patent References:
| WO2020153341A1 | 2020-07-30 |
Foreign References:
| JP2020090618A | 2020-06-11 | |||
| JP2019023279A | 2019-02-14 | |||
| JP2010222910A | 2010-10-07 | |||
| JP2020200459A | 2020-12-17 | |||
| JP2018003580A | 2018-01-11 | |||
| JP2018030996A | 2018-03-01 | |||
| JP2019019325A | 2019-02-07 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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