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Microreactor generated RAFT imprinted smart hydrogels

Kadhirvel, Porkodi; Dias, Rolando; Costa, Mário Rui

Stimuli-Responsive Smart Hydrogels (SRSH) are extensively used in biotechnology and biomedicine amongst many other fields1. SRSH can be obtained conventionally through a batch reactor process resulting in irregular shaped particles, whereas emulsion, inverse-suspension, precipitation polymerizations, etc., lead mostly to spherical shaped particles. Recently micro-reactors have been introduced as an alternative ...

Data: 2014   |   Origem: Biblioteca Digital do IPB

Development of stimuli-responsive smart hydrogels using molecular imprinting an...

Oliveira, Tânia; Reitor, Patrícia; Oliveira, Daniela; Kadhirvel, Porkodi; Dias, Rolando; Costa, Mário

Different classes of stimuli-responsive smart hydrogels (SRSH) were synthesized in order to assess the usefulness of molecular imprinting and generation of interpenetrating polymer networks to obtain advanced materials with tailored properties/performance. Reversible Addition-Fragmentation Chain-Transfer (RAFT) polymerisation was exploited as an additional tool to increase the control on the formation process o...

Data: 2014   |   Origem: Biblioteca Digital do IPB

Synthesis and testing of polymer crosslinked materials for applications in ener...

Tristão, Paulo; Costa, Hugo; Kadhirvel, Porkodi; Dias, Rolando; Costa, Mário

The feasibility of making polymer crosslinked materials with applications in improving energy efficiency is here demonstrated. The encapsulation of phase change materials (PCM), for thermal energy storage/release, and sulphur inverse-vulcanization (producing materials with useful electrochemical properties) are here used as case studies. Effective thermal properties of the produced encapsulated PCM materials we...

Data: 2014   |   Origem: Biblioteca Digital do IPB

Assessment of RAFT polymerization in the synthesis of crosslinked materials for...

Tristão, Paulo; Costa, Hugo; Kadhirvel, Porkodi; Dias, Rolando; Costa, Mário

The synthesis and characterization of two different classes of polymer crosslinked materials, useful for energy storage and improving energy efficiency, is here studied. Products resulting from the encapsulation of phase change materials (PCM), which can be used for thermal energy storage/release, are considered as first case study. For this purpose, different kinds of PCM can be considered in the encapsulation...

Data: 2014   |   Origem: Biblioteca Digital do IPB

Development of tailored hydrogels using RAFT polymerization in continuous flow ...

Machado, Carla; Oliveira, Tânia; Reitor, Patrícia; Oliveira, Daniela; Freitas, Filipa; Kadhirvel, Porkodi; Dias, Rolando; Costa, Mário

This research is devoted to the development of tools aiding the production of smart hydrogels with tailored molecular architecture and properties. Molecular imprinting, RAFT polymerization and operation in continuous flow microreactor are individually considered and also simultaneously combined in order to try the synthesis of materials with improved performance.

Data: 2014   |   Origem: Biblioteca Digital do IPB

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia