Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/39334

TitleOne-step in situ synthesis of polyamide microcapsules with inorganic payload and their transformation into responsive thermoplastic composite materials
Author(s)Dencheva, Nadya Vasileva
Denchev, Z.
Lanceros-Méndez, S.
Ezquerra Sanz, T.
KeywordsActivated anionic polymerization
Lactams
Polyamides
Microcapsules
Conductive polymers
Hybrid composites
Issue date2016
PublisherWiley-VCH Verlag
JournalMacromolecular Materials and Engineering
CitationDencheva, N., Denchev, Z., Lanceros-Mendez, S., & Ezquerra Sanz, T. (2016). One-Step In Situ Synthesis of Polyamide Microcapsules With Inorganic Payload and Their Transformation into Responsive Thermoplastic Composite Materials. Macromolecular Materials and Engineering, 301(2), 119-124. doi: 10.1002/mame.201500194
Abstract(s)Well-dispersed loads of finely powdered metals, metal oxides, several carbon allotropes or nanoclays are incorporated into highly porous polyamide 6 microcapsules in controllable amounts via an original one-step in situ fabrication technique. It is based on activated anionic polymerization (AAP) of ε-caprolactam in a hydrocarbon solvent performed in the presence of the respective micro- or nanosized loads. The forming microcapsules with typical diameters of 25-50 µm entrap up to 40 wt% of load. Their melt processing produces hybrid thermoplastic composites. Mechanical, electric conductivity and magnetic response measurements show that transforming of in situ loaded microcapsules into composites by melt processing (MP) is a facile and rapid method to fabricate materials with high mechanical resistance and electro-magnetic characteristics sufficient for many industrial applications. This novel concept requires low polymerization temperatures, no functionalization or compatibilization of the loads and it is easy to scale up at industrial production levels.
TypeArticle
URIhttp://hdl.handle.net/1822/39334
DOI10.1002/mame.201500194
ISSN1439-2054
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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