JPS5647449A - Asphalt composition for low-temperature service - Google Patents
Asphalt composition for low-temperature serviceInfo
- Publication number
- JPS5647449A JPS5647449A JP12482079A JP12482079A JPS5647449A JP S5647449 A JPS5647449 A JP S5647449A JP 12482079 A JP12482079 A JP 12482079A JP 12482079 A JP12482079 A JP 12482079A JP S5647449 A JPS5647449 A JP S5647449A
- Authority
- JP
- Japan
- Prior art keywords
- asphalt
- low
- glass transition
- transition temperature
- asphalt composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To prepare an asphalt composition having improved low-temperature characteristics and excellent low-temperature resistance without much increasing the viscosity of the composition at the mixing stage, by compounding an asphalt with a molten rubber having low glass transition temperature.
CONSTITUTION: 100pts.wt. of asphalt, e.g. straight asphalt having a glass transition temperature of about -20°C is mixed with 2W300pts.wt., pref. 5W100pts.wt. of molten vulcanized rubber and/or green rubber having a glass transition temperature lower than that of the asphalt, pref. by ≥20°C.
EFFECT: Since the waste tire, etc. can be used as the raw material, the process is resource saving and economical.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12482079A JPS5647449A (en) | 1979-09-28 | 1979-09-28 | Asphalt composition for low-temperature service |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12482079A JPS5647449A (en) | 1979-09-28 | 1979-09-28 | Asphalt composition for low-temperature service |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5647449A true JPS5647449A (en) | 1981-04-30 |
Family
ID=14894911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12482079A Pending JPS5647449A (en) | 1979-09-28 | 1979-09-28 | Asphalt composition for low-temperature service |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647449A (en) |
-
1979
- 1979-09-28 JP JP12482079A patent/JPS5647449A/en active Pending
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