Structure-property relationship of polyethylene glycol-based PU/PAN semi-interpenetrating polymer networks

Polyethylene glycol‐400 (PEG) based polyurethane (PU) and polyacrylonitrile (PAN) semi‐interpenetrating polymer networks (SIPNs) (PU/PAN; 90/10, 70/30, 60/40, and 50/50) have been prepared by sequential polymerization method. The prepared SIPNs have been characterized by physicomechanical properties...

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Bibliographic Details
Published in:Journal of applied polymer science 2006-01, Vol.99 (1), p.177-187
Main Authors: Kumar, H., Siddaramaiah, Somashekar, R., Mahesh, S. S., Abhishek, S., Row, T. N. Guru, Kini, Geetha S.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
IPNs
microcrystalline parameters
Organic polymers
Physicochemistry of polymers
Polymers with particular structures
polyurethane
Preparation, kinetics, thermodynamics, mechanism and catalysts
PU/PAN
WAXS
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Summary:Polyethylene glycol‐400 (PEG) based polyurethane (PU) and polyacrylonitrile (PAN) semi‐interpenetrating polymer networks (SIPNs) (PU/PAN; 90/10, 70/30, 60/40, and 50/50) have been prepared by sequential polymerization method. The prepared SIPNs have been characterized by physicomechanical properties. The microcrystalline parameters such as crystal size (〈N〉), lattice disorder (g), surface (Ds) and volume (Dv) weighted crystal size of SIPNs have been estimated using wide angle X‐ray scattering studies, and quantification of the polymer network has been carried out on the basis of these parameters. The microstructural parameters have been established using Exponential, Lognormal, and Reinhold asymmetric column length distribution functions and the results are compiled. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 99: 177–187, 2006
ISSN:0021-8995
1097-4628
DOI:10.1002/app.22147