Oil gel for asphalt modification and rejuvenation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 17, 2017
Issued Date -
N/A
app pub date -
Dec 30, 2015
filing date -
Dec 30, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is an asphalt rejuvenator made from a specific styrenic block copolymer, bio-based oil or a bio-based oil blend, and an antioxidant system. The bio-based oil or a bio-based oil blend has a flash point of >230° C., and the asphalt rejuvenator has a maximum viscosity of <2000 cP at 180° C. when measured at 6.8/seconds shear rate. An alternate embodiment of the present invention is a pavement composition of RAP and/or RAS, asphalt rejuvenator, and virgin asphalt with and without a crosslinker. Lastly, the invention includes a method of making an asphalt rejuvenator composition referred to above, and blending it with RAP and fresh asphalt. An emulsion is also described and claimed comprising asphalt rejuvenator, water and an emulsifier.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully