- Patent Title: Ground tire rubber density modification using elastomeric polymers
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Application No.: US16445866Application Date: 2019-06-19
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Publication No.: US11242459B2Publication Date: 2022-02-08
- Inventor: Eric W. Cochran , Nacu Hernandez , Ronald Christopher Williams
- Applicant: Iowa State University Research Foundation, Inc.
- Applicant Address: US IA Ames
- Assignee: Iowa State University Research Foundation, Inc.
- Current Assignee: Iowa State University Research Foundation, Inc.
- Current Assignee Address: US IA Ames
- Agency: Troutman Pepper Hamilton Sanders LLP (Rochester)
- Main IPC: C08L95/00
- IPC: C08L95/00 ; C08L9/06 ; C08L23/22 ; C08L91/00
Abstract:
The present invention relates to an asphalt product that comprises an asphalt component and a plurality of pellets comprising a mixture of a ground tire rubber and an elastomeric polymer, where the density difference between the asphalt component and the plurality of pellets is less than 10%. The present invention further relates to a pellet comprising a ground tire rubber (“GTR”) and an elastomeric polymer mixed with the GTR, where the GTR has a density of less than 1.12 g/cm3. Also disclosed are methods of producing improved asphalt and paving a surface.
Public/Granted literature
- US20190390059A1 GROUND TIRE RUBBER DENSITY MODIFICATION USING ELASTOMERIC POLYMERS Public/Granted day:2019-12-26
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