Development of polyvinyl acetate thin films by electrospinning for sensor applications

被引:21
|
作者
Veerabhadraiah, Amith [1 ]
Ramakrishna, Sridhar [1 ]
Angadi, Gangadhar [1 ]
Venkatram, Mamtha [1 ]
Ananthapadmanabha, Vishnumurthy Kanivebagilu [2 ]
NarayanaRao, Narasimha Murthy Hebbale [1 ]
Munishamaiah, Krishna [1 ]
机构
[1] RV Coll Engn, Dept Mech Engn, Bengaluru, Karnataka, India
[2] RV Coll Engn, Dept Chem, Bengaluru, Karnataka, India
关键词
Electrospinning; Polyvinylacetate; Thin films; Design of experiment; SEM; NANOFIBERS; OPTIMIZATION; PVAC;
D O I
10.1007/s13204-017-0576-9
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Electrospinning is an effective process for synthesis of polymer fibers with diameters ranging between nanometers and micrometers by employing electrostatic force developed due to application of high voltage. The present work aims to develop an electrospinning system and optimize the process parameters for synthesis of Polyvinyl Acetate thin films used for gas and humidity sensors. Taguchi's Design of Experiment was adopted considering three main factors at three different levels for optimization of process parameters. The factors considered were flow rate (0.5, 0.6 and 0.7 ml/h), voltage (18, 19 and 20 kV) and spinneret to collector distance (8, 9, 10 cm) with fiber diameter as the response factor. The main effect plots and interaction plots of the parameters were studied to determine the most influencing parameter. Flow rate was the most significant factor followed by spinneret to collector distance. Least fiber diameter of 24.83 nm was observed at 19 kV, 0.5 ml/h flow rate and 8 cm spinneret to collector distance. SEM images revealed uniform fiber diameter at lower flow rate while bead formation increased monotonically with rise in flow rate.
引用
收藏
页码:355 / 363
页数:9
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