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Assembly of porous hierarchical copolymers/resin proppants: New approaches to smart proppant immobilization via molecular anchors / Shirin, Alexander; Andrew, Barron; Charlie, Dunnill

Journal of Colloid and Interface Science, Volume: 466, Pages: 275 - 283

Swansea University Authors: Shirin, Alexander, Andrew, Barron, Charlie, Dunnill

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DOI (Published version): 10.1016/j.jcis.2015.12.038

Abstract

HypothesisThe assembly of temperature/pH sensitive complex microparticle structures through chemisorption and physisorption provides a responsive system that offers application as routes to immobilization of proppants in-situ.ExperimentsThermogravimetric analysis (TGA) and scanning electron microsco...

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Published in: Journal of Colloid and Interface Science
Published: 2016
Online Access: https://www.sciencedirect.com/science/article/pii/S0021979715304227
URI: https://cronfa.swan.ac.uk/Record/cronfa28029
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Abstract: HypothesisThe assembly of temperature/pH sensitive complex microparticle structures through chemisorption and physisorption provides a responsive system that offers application as routes to immobilization of proppants in-situ.ExperimentsThermogravimetric analysis (TGA) and scanning electron microscopy (SEM) along with energy dispersive X-ray analysis (EDX) have been used to characterize a series of bi-functionalized monolayers and/or multilayers grown on alumina microparticles and investigate the reactive nature of both temperature sensitive cross-linker (epoxy resin) with the layers and pH-responsive bridging layer (polyetheramine).FindingsThe bifunctional acids, behaving as molecular anchors, allow for a controlled reaction with a cross-linker (resin or polymer) with the formation of networks, which is either irreversible or reversible based on the nature of the cross-linker. The networks results in formation of porous hierarchical particles that offer a potential route to the creation of immobile proppant pack.
Start Page: 275
End Page: 283