Surface morphology and crystallinity of biaxially stretched PET films on the nanoscale

Year: 2000

Authors: Dinelli F., Assender H.E., Kirov K., Kolosov O.V.

Autors Affiliation: Department of Materials, Univ. of Oxford, Parks Road, OX1 3PH, Oxford, United Kingdom

Abstract: The surface morphology and crystallinity of biaxially drawn (BD) and amorphous poly(ethylene terephthalate) (PET) films were investigated by means of scanning probe microscopy. The PET surface is best imaged using non-contact mode atomic force microscopy (NC-AFM). Contact mode (C-AFM) under water can also offer a good resolution but the PET surface is not stable for long periods under such conditions. The BD film texture appears to be made up of \’hillocks\’ of about 20 nm in diameter, while amorphous PET films appear featureless. It seems plausible to suggest that the observed hillocks represent small crystallites formed during the production process of BD films.

Journal/Review: POLYMER

Volume: 41 (11)      Pages from: 4285  to: 4289

More Information: Engineering and Physical Sciences Research Council, EPSRC, GR IL02234. – This project was supported by Toppan Printing Company of Japan, within the Oxford Toppan Centre. O.V.K. would like to thank Paul Instrument Fund and EPSRC support (GR IL02234) for the development of the UFM. F.D. and O.V.K. would like to thank AFAM, CEC Network.
KeyWords: Poly(ethylene terephthalate); Scanning probe microscopy; Crystallinity; Poly(ethylene terephthalate) (PET); Atomic force microscopy (AFM)
DOI: 10.1016/S0032-3861(99)00500-5

Citations: 26
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