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Title: Structure and properties of electrospun PLLA single nanofibres
Authors: Inai, R.
Kotaki, M. 
Ramakrishna, S. 
Issue Date: Feb-2005
Source: Inai, R.,Kotaki, M.,Ramakrishna, S. (2005-02). Structure and properties of electrospun PLLA single nanofibres. Nanotechnology 16 (2) : 208-213. ScholarBank@NUS Repository.
Abstract: An electrospinning method was used to spin semi-crystalline poly(L-lactide) (PLLA) nanofibres. Processing parameter effects on the internal molecular structure of electrospun PLLA fibres were investigated by x-ray diffraction (XRD) and differential scanning calorimetry (DSC). Take-up velocity was found as a dominant parameter to induce a highly ordered molecular structure in the electrospun PLLA fibres compared to solution conductivity and polymer concentration, although these two parameters played an important role in controlling the fibre diameter. A collecting method of a single nanofibre by an electrospinning process was developed for the tensile tests to investigate structure-property relationships of the polymer nanofibres. The tensile test results indicated that higher take-up velocity caused higher tensile modulus and strength due to the ordered structure developed through the process.
Source Title: Nanotechnology
ISSN: 09574484
DOI: 2/005
Appears in Collections:Staff Publications

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