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Study of polymers and their blends using TOF-SIMS ion imaging

IR@NPL: CSIR-National Physical Laboratory, New Delhi

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Title Study of polymers and their blends using TOF-SIMS ion imaging
 
Creator Karar, N.
Gupta, T. K.
 
Subject Materials Science
Applied Physics/Condensed Matter
 
Description Time of flight mass spectrometry (TOF-SIMS) was used to see the feasibility of viewing polymer directionality initially of simple polymers like polyethylene (PE) and then graduating to relatively more complex polymer composites involving poly-urethene (PU) and Carbon Nano Tube (CNT) admixture with different mixture concentrations using the Bi ion source. Based on the ion images obtained, it is suggested that directional characteristics of polyethylene, or polyurethane were not visible. However, CNT clusters were identifiable in the pure form of the material and so was CNT inside the admixture. Change in cluster shape inside the admixture at different concentrations indicated the extent of change in strength in the polymer mixture to expect. It was possible to correlate such information with the polymer tensile strength and hardness data measured separately by traditional methods. Similar analysis of high resolution TOF-SIMS ion imaging of other polymer blends are likely to fetch important information on why certain compositions are stronger or why certain compositions do not have the desired or expected properties.
 
Publisher Elsevier
 
Date 2015-01
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://npl.csircentral.net/2014/1/321.pdf
Karar, N. and Gupta, T. K. (2015) Study of polymers and their blends using TOF-SIMS ion imaging. Vacuum, 111. 119 -123. ISSN 0042-207X
 
Relation http://npl.csircentral.net/2014/