Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering
Article
Kumar, A. Pratheep, Reddy, K. Raghunatha, Rana, Sravendra, Lonkar, Sunil P., Raut, K.G. and Singh, Raj Pal. 2005. "Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering." Journal of Vinyl and Additive Technology. 11 (1), pp. 13-20. https://doi.org/10.1002/vnl.20032
Article Title | Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering |
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Article Category | Article |
Authors | Kumar, A. Pratheep, Reddy, K. Raghunatha, Rana, Sravendra, Lonkar, Sunil P., Raut, K.G. and Singh, Raj Pal |
Journal Title | Journal of Vinyl and Additive Technology |
Journal Citation | 11 (1), pp. 13-20 |
Number of Pages | 8 |
Year | 2005 |
Publisher | John Wiley & Sons |
Place of Publication | United States |
ISSN | 1083-5601 |
1548-0585 | |
Digital Object Identifier (DOI) | https://doi.org/10.1002/vnl.20032 |
Web Address (URL) | https://4spepublications.onlinelibrary.wiley.com/doi/abs/10.1002/vnl.20032 |
Abstract | Some toluene diisocyanate (TDI)-based polyurethane resins (PURs) for coating applications were synthesized with castor oil and their performance was estimated under accelerated UV weathering with and without a novel UV absorber. Changes in physical properties, chemical structure, and color of the samples were monitored by mechanical property testing, FTIR spectroscopy, and colorimetry, respectively. A stable polyurethane coating was achieved at 0.5% concentration of additive in the host matrix. Mechanical properties were also retained as in the pristine PUR after mixing. Commercial Tinuvin P and benzotriazole-based novel UV absorbers were found to improve the photoresistance of the PUR coating, and the highest efficiency of the novel UV absorber against weathering was estimated at 0.5 wt% concentration. |
Keywords | Additives |
ANZSRC Field of Research 2020 | 340302. Macromolecular materials |
340305. Physical properties of materials | |
401609. Polymers and plastics | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | National Chemical Laboratory, India |
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