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Enhancement of β phase crystals formation with the use of nanofillers in PVDF films and fibres

Anja Lund (Institutionen för material- och tillverkningsteknik, Polymera material och kompositer) ; Cornelia Gustafsson ; Hans Bertilsson ; Rodney Rychwalski (Institutionen för material- och tillverkningsteknik, Polymera material och kompositer)
Composites Science And Technology (0266-3538). Vol. 71 (2011), 2, p. 222-229.
[Artikel, refereegranskad vetenskaplig]

Nanoclay and carbon nanotubes (CNT) have been in focus recently as means of enhancing β phase crystals formation in poly(vinylidene fluoride)(PVDF). Dominantly, the so-far work has been carried out on films/thin sheets filled with nanoclay. It has been found, mainly from combined XRD and DSC data, that nanoclay influences the PVDF structure, and particularly the β phase crystals formation is enhanced. Results published by various groups are in fairly good agreement. There are no results for nanoclay filled melt-spun PVDF fibres.The influence of CNT on PVDF structure has been less studied. XRD data indicating an enhancing role of multi-wall carbon nanotubes (MWNT) on β phase crystals formation in solution compounded PVDF films are available. Published results for MWNT/PVDF films are not in good agreement. The only study into single-wall carbon nanotube (SWNT)/PVDF has been made on electrospun nanofibres.We explore above findings towards melt-spun nanofilled PVDF fibres. We present new results obtained by us for melt-spun PVDF fibres containing non-functionalized and amino-functionalized double-wall carbon nanotubes (DWNT). The key finding is that amino-DWNT can influence the β to α polymorphic balance.

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Denna post skapades 2010-12-07. Senast ändrad 2017-09-14.
CPL Pubid: 130156


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Institutioner (Chalmers)

Institutionen för material- och tillverkningsteknik, Polymera material och kompositer (2005-2017)


Nanovetenskap och nanoteknik

Chalmers infrastruktur