Title:
POLYESTER EMULSION FOR MODIFYING ASPHALT
Document Type and Number:
WIPO Patent Application WO/2022/158566
Kind Code:
A1
Abstract:
The present invention provides: [1] a polyester emulsion for modifying asphalt, which contains water and polyester particles having a volume median particle diameter (D50) of 20–500 nm; [2] a production method for the polyester emulsion for modifying asphalt [1], which includes a step in which an aqueous medium is added to melted polyester that has a weight-average molecular weight of 2,000–100,000; and [3] an asphalt emulsion composition containing an asphalt emulsion and the polyester emulsion [1].
Inventors:
KAKIUCHI HIROKI (JP)
Application Number:
PCT/JP2022/002183
Publication Date:
July 28, 2022
Filing Date:
January 21, 2022
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
E01C7/24; C08L67/00; C08L95/00; E01C7/30; E01C7/35; E01C11/24
Domestic Patent References:
| WO2018134921A1 | 2018-07-26 |
Foreign References:
| JP2008545818A | 2008-12-18 | |||
| JP2019508608A | 2019-03-28 | |||
| JPH0959354A | 1997-03-04 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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