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Dendrimers with interior and exterior functionalities comprising of azide or alkyne groups for post- functionalization by huisgen click cycloaddition
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Ytbehandlingsteknik.ORCID-id: 0000-0002-9372-0829
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Ytbehandlingsteknik.ORCID-id: 0000-0002-9200-8004
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Ytbehandlingsteknik.
2008 (engelsk)Patent (Annet (populærvitenskap, debatt, mm))
Abstract [en]

Novelty: A dendritic polymer comprising a core and repeating units, is new. Every repeating unit is bound to other unit(s) with bond(s) consisting of an ester, amide, thioether, ether, urethane, amine or imine.Use: The dendritic polymer is used for drug delivery systems, tissue engineering, data storage devices, markers for imaging, diagnostics, vaccines, phototherapeutics, optical devices, semiconductor, bioactive hydrogels and/or catalysts; for manufacture of a particle and a hydrogel (claimed); and for coatings, polyfunctional initiators for controlled radical polymerization or living free-radical polymerization techniques, ring-opening metathesis polymerization and ring-opening polymerization, dental and other composite materials, additives to control viscosity, rheology, solubility and stabilizing capacity, hybrid organic-inorganic materials, water-soluble materials, amphiphilic architectures, well-defined building blocks for precise architectural control, deposition of dendrimers on solid surfaces, dispersing agents for nanoparticles, dendrimer vehicles for encapsulation and/or delivery, and dendrimer scaffolds. The particle is used in encapsulation of low molecular compounds such as potent drugs, chelating species and fluorescent dyes.Advantage: The dendritic polymer can be functionalized both in the interior and in the exterior. It is possible to use a one-pot growth of dendritic polymer. There is provided the possibility to have more functional groups in a dendritic polymer compared to conventional polymer. When comparing the number of functional groups of a dendrimer based on A'B' x C' y -monomers with a traditional dendrimer based A'B' x -monomers, it is evident that the intrinsic functionality provides a larger number of available functional groups for post-modification. There is provided the possibility of a synthesis which is very robust, can be performed in various solvents, performed at both ambient and elevated temperatures, performed at atmospheric pressure as well as elevated, performed in a variety of gases including oxygen, nitrogen or argon. The synthesis has a high yield making the manufacture economical. There is the possibility to exclude an activation step prior to post-functionalization of a dendritic polymer. There is provided the possibility to add different types of functional groups simultaneously both to inner layer and/or to the outer layer.

sted, utgiver, år, opplag, sider
2008.
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-87766OAI: oai:DiVA.org:kth-87766DiVA, id: diva2:501851
Patent
WO2009136853A1
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QS 2014

Tilgjengelig fra: 2012-02-14 Laget: 2012-02-14 Sist oppdatert: 2015-01-12bibliografisk kontrollert

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