A study of the effects of postcure treatments on polyester-melamine coating matrices

Gamage, N. J. W., Hill, D. J. T., Pomery, P. J. and Lukey, C. A. (2006) A study of the effects of postcure treatments on polyester-melamine coating matrices. Polymer Engineering And Science, 46 -: 532-539. doi:10.1002/pen.20510


Author Gamage, N. J. W.
Hill, D. J. T.
Pomery, P. J.
Lukey, C. A.
Title A study of the effects of postcure treatments on polyester-melamine coating matrices
Journal name Polymer Engineering And Science   Check publisher's open access policy
ISSN 0032-3888
Publication date 2006
Sub-type Article (original research)
DOI 10.1002/pen.20510
Volume 46
Issue -
Start page 532
End page 539
Total pages 8
Place of publication Hoboken
Publisher John Wiley & Sons Inc
Collection year 2006
Language eng
Subject C1
250503 Characterisation of Macromolecules
780103 Chemical sciences
Abstract The effect of postcure high energy (gamma), ultraviolet (UV) and thermal treatment on the properties of polyester-melamine clearcoats of a range of compositions has been investigated. Two initial cure conditions were used, of which one was '' optimally '' cured and the other undercured. It was found that postcure treatments, particularly gamma and UV, led to coatings of similar mechanical and thermal properties irrespective of initial cure, although the change in properties on postcure treatment was greater for the under-cured samples. The results were interpreted in terms of the effect of the treatments on the structure of the crosslinked matrices. The study suggests the possibility of the development of a dual-cure process for polyester-melamines, whereby cure optimization and property improvement can be achieved. This could also be used to '' correct '' for small variations in thermal cure levels brought about by adventitious online fluctuations in cure oven conditions.
Keyword Engineering, Chemical
Polymer Science
Spontaneous Polymerization
Nonisothermal Conditions
Protective-coatings
Automotive Coatings
Surface-coatings
Photolysis
Radiation
Mechanism
Xps
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2007 Higher Education Research Data Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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