Title:
ADDITIVE FOR MODIFIED ASPHALT
Document Type and Number:
Japanese Patent JP3905453
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an additive for a modified asphalt, which has good effect of controlling phase separation and does not generate hydrogen sulfide.
SOLUTION: The additive for a modified asphalt contains a specified sulfur compound comprising e.g. 4,4'-dithiodimorpholine. The additive has good miscibility with both an asphalt and a modifier comprising e.g. a rubber or a thermoplastic elastomer, and serves to improve the shelf life of an asphalt, without causing a change in physical properties of an asphalt during storage.
Inventors:
Hideki Yanagi
Akiyoshi Hairi
Hidemi Koki
Kazuyuki Sayoro
Akiyoshi Hairi
Hidemi Koki
Kazuyuki Sayoro
Application Number:
JP2002297205A
Publication Date:
April 18, 2007
Filing Date:
October 10, 2002
Export Citation:
Assignee:
Kao Corporation
Nichireki Co., Ltd.
Nichireki Co., Ltd.
International Classes:
C08L95/00; C08K5/43; (IPC1-7): C08L95/00; C08K5/43
Domestic Patent References:
| JP2003074622A |
Attorney, Agent or Firm:
Satoshi Furuya
Kaoru Furuya
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa
Kaoru Furuya
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa