GB1102424A - Improvements in or relating to the production of road surfacing binders - Google Patents
Improvements in or relating to the production of road surfacing bindersInfo
- Publication number
- GB1102424A GB1102424A GB2655265A GB2655265A GB1102424A GB 1102424 A GB1102424 A GB 1102424A GB 2655265 A GB2655265 A GB 2655265A GB 2655265 A GB2655265 A GB 2655265A GB 1102424 A GB1102424 A GB 1102424A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- given
- coal tar
- blowing
- binders
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
- C10C3/04—Working-up pitch, asphalt, bitumen by chemical means reaction by blowing or oxidising, e.g. air, ozone
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
- Catalysts (AREA)
Abstract
A road surfacing binder is made by blowing with air at elevated temperature (150 DEG to 350 DEG C.) a blend of: (a) 90 to 95 parts by weight of a vacuum residue having a cut-point of 550 DEG to 570 DEG C. and derived from a Middle East crude, and (b) 10 to 5 parts by weight of a heavy coal tar oil. The invention increases the adhesivity of the binder, relative to the residue, for a given penetration, which lies in the range 10 to 350 mm./10 at 25 DEG C. The coal tar oil is a coal tar distillate sufficiently involatile to cause no fire risk during blowing and in an example was obtained by distillation at atmospheric pressure in a plate column and had a cut-point of 370 DEG C. Its density, viscosity, flash point etc. are given. Two blends incorporating 10 parts b.w. of this oil with 90 parts b.w. Kuwait vacuum residue (Specification given) are described, the blends being blown to different terminal values of the penetration (namely 210 mm./10 at 25 DEG C. and 98 mm./10 at 25 DEG C.), the specifications of the two binders being given. A catalyst may be used in the blowing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR982667A FR1411758A (en) | 1964-07-22 | 1964-07-22 | Process for the production of bitumens for hot use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1102424A true GB1102424A (en) | 1968-02-07 |
Family
ID=8835146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2655265A Expired GB1102424A (en) | 1964-07-22 | 1965-06-23 | Improvements in or relating to the production of road surfacing binders |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1411758A (en) |
| GB (1) | GB1102424A (en) |
-
1964
- 1964-07-22 FR FR982667A patent/FR1411758A/en not_active Expired
-
1965
- 1965-06-23 GB GB2655265A patent/GB1102424A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1411758A (en) | 1965-09-24 |
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