Document Type
Patent
Patent Number
US 10934381B2
Abstract
A sealant composition and method for its manufacture are disclosed. A two-way shape memory polymer (2W-SMP) sealant expands upon cooling and contracts upon heating, and thus provides improved sealing for pavements and other structures. The base resin for the sealant is polybutadiene with a high cis content. Uses for the sealant include, but are not limited to: sealant for expansion joint, contraction joint, or construction joint in cement concrete pavement; sealant or sealer for transverse cracks or block cracks in cement concrete pavement or asphalt concrete pavement; sealant for pipelines, lightweight composite structures, roofs, buildings, bridge decks, dams, offshore platforms; sealant for other structures and devices that have previously typically used polymer sealants.
Application Number
US16/278,915
Assignees
Louisiana State University
Publication Date
3-2-2021
Recommended Citation
Lu, L., Cao, J., & Li, G. (2021). Composition and Method of Making Two-Way Shape Memory Polymer Based Sealant. Retrieved from https://repository.lsu.edu/science_patents/16