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Assembly of porous hierarchical copolymers/resin proppants: New approaches to smart proppant immobilization via molecular anchors

Shirin Alexander Orcid Logo, Charles W. Dunnill, Andrew Barron Orcid Logo, Charlie Dunnill Orcid Logo

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

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

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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