Nanoclay effect on transport properties of thermoplastic polyurethane/polypropylene (TPU/PP) blends

In this paper the diffusion of water through the nanoclay filled TPU/PP blends was investigated at various temperatures. The effect of blend ratio, compatibilisation and nanoclay addition on the transport properties was studied in detail. Special attention has been given to study the mechanism of di...

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Published in:Journal of polymer research 2013-08, Vol.20 (8), p.1-15, Article 201
Main Authors: Kannan, Murugasamy, Bhagawan, S. S., Thomas, Sabu, Joseph, Kuruvilla
Format: Article
Language:English
Subjects:
Blends
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Diffusion
Industrial Chemistry/Chemical Engineering
Nanocomposites
Nanomaterials
Nanostructure
Original Paper
Polymer blends
Polymer Sciences
Polypropylenes
Urethane thermoplastic elastomers
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cited_by cdi_FETCH-LOGICAL-c349t-aa364b9d22a0f16d4c6646e8ddd340bfecb8880f0e0c857379a8d874855421713
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description In this paper the diffusion of water through the nanoclay filled TPU/PP blends was investigated at various temperatures. The effect of blend ratio, compatibilisation and nanoclay addition on the transport properties was studied in detail. Special attention has been given to study the mechanism of diffusion. Thermodynamics and Arrhenius parameters were evaluated from the diffusion data. The various parameters such as diffusion coefficient (D), permeation coefficient (P), sorption coefficients (S) were evaluated at different diffusion conditions. Attempts were made to correlate the observed morphology of the blends with transport properties. Addition of PP into TPU decreases water sorption of the system due to the decrease in overall polarity of the system and further reduced by addition of compatibiliser and nanoclay into the system. Compared to the ether-TPU based blend nanocomposites, the ester-TPU blends show better compatibility as confirmed by analysis.
doi_str_mv 10.1007/s10965-013-0201-x
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subjects Blends
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Diffusion
Industrial Chemistry/Chemical Engineering
Nanocomposites
Nanomaterials
Nanostructure
Original Paper
Polymer blends
Polymer Sciences
Polypropylenes
Urethane thermoplastic elastomers
title Nanoclay effect on transport properties of thermoplastic polyurethane/polypropylene (TPU/PP) blends
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