Factors affecting the photolysis of polyester-melamine surface coatings

Polymer Degradation and Stability

Volumn 81, Issue 2, 2003, Pages 309-326

  Gamage, N J W ^a   Hill, D J T ^a   Lukey, C A ^b   Pomery, P J ^a  

^a UNIVERSITY OF QUEENSLAND   (Australia)

^b UNIVERSITY OF WOLLONGONG   (Australia)

Author keywords

ESR; Mechanical strain; Photo oxidation; Photolysis; Polyester melamines

Indexed keywords

AMINES; CROSSLINKING; PHOTOLYSIS; PHOTOOXIDATION; POLYESTERS; STRAIN;

SURFACE COATINGS;

ORGANIC COATINGS;

EID: 0037733974     PISSN: 01413910     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0141-3910(03)00102-2     Document Type: Article

References (39)

1. Rabek J.F. Polymer photodegradation - mechanisms and experimental methods. 1st ed. 1995;Chapman and Hall, UK.
2. Pappas S.P. Weathering of coatings - formulation and evaluation. Prog. Org. Coatings. 17:1989;107-114.
3. Rånby B., Rabek J.F. ESR spectroscopy in polymer research. 1977;Springer-Verlag, Berlin.
4. Binns M.R., Lukey C.A., Hill D.J.T., O'Donnell J.H., Pomery P.J. A new technique for the study of reactive species generated during the initial stages of polymer photodegradation. Polym. Bull. 27:1992;421-424.
5. Gerlock J.L., Van Oene H., Bauer D.R. Nitroxide kinetics during photodegradation of acrylic/melamine coatings. Eur. Polym. J. 19:1983;11-18.
6. Gerlock J.L. Determination of free radicals in polymer films by electron spin resonance spectrometry. Anal. Chem. 55:1983;1520-1522.
7. Gerlock J.L., Bauer D.R. ESR measurements of free radical photoinitiation rates by nitroxide termination. J. Polym. Sci.: Polym. Lett. 22:1984;447-455.
8. Bauer D.R., Gerlock J.L., Mielewski D.F., Paputa Peck M.C., Carter III R.O. Photo-stabilisation and photo-degradation in organic coatings containing a hindered amine light stabiliser. part IV - photo-initiation rates and photo-oxidation rates in unstabilised coatings Polym. Degrad. Stab. 27:1990;271-284.
9. Gerlock J.L., Mielewski D.F., Bauer D.R. Photo-initiation rate behaviour of weathered coatings. ESR-nitroxide decay assay Polym. Degrad. Stab. 20:1988;123-134.
10. Mielewski D.F., Bauer D.R., Gerlock J.L. The role of hydroperoxides in the photo-oxidation of crosslinked polymer coatings. Polym. Degrad. Stab. 33:1991;93-104.
11. Bauer D.R., Mielewski D.F., Gerlock J.L. Photooxidation kinetics in crosslinked polymer coatings. Polym. Degrad. Stab. 38:1992;57-67.
12. Okamoto S., Ohya-Nishiguchi H. The weatherability of paint films. Eur. Coatings J. 3:1989;204-214.
13. Storp S., Bock M. Physical methods for early recognition of photodegradation processes. Farbe Lack. 91:1985;914-920.
14. Sommer A., Zirngiebl E., Kahl L., Schoenfelder M. Studies in accelerated weathering. Part II. Ultrafast weathering - a new method for evaluating the weather resistance of polymers. Prog. Org. Coatings. 19:1991;79-87.
15. Johnson B.W., McIntyre R. Analysis of test methods for UV durability predictions of polymer coatings. Prog. Org. Coatings. 27:1996;95-106.
16. Cao H., He Y., Zhang R., Yuan J.-P., Sandreczki T.C., Jean Y.C., Nielsen B. Degradation of polymer coating systems studied by positron annihilation spectroscopy. II. Correlation with free radical formation. J. Polym. Sci., Polym. Phys. Ed. 37:1999;1289-1305.
17. Schütz E., Berger F., Dirckx O., Chambaudet A. Study of degradation mechanisms of a paint coating during an artificial aging test. Polym. Degrad. Stab. 65:1999;123-130.
18. Lukey C.A., Hill D.J.T., Pomery P.J. UV photolysis of melamine formaldehyde crosslinkers. Polym. Degrad. Stab. 78:2002;485-490.
19. Gamage NJW. Matrix characterisation and durability studies of melamine-polyester high solid coatings. PhD dissertation, University of Queensland, 2000.
20. Calvert J.G., Pitts J.N. Photochemistry. 1966;John Wiley and Sons, New York.
21. Bauer D.R., Paputa Peck M.C., Carter R.O. Evaluation of accelerated weathering tests for a polyester-urethane coating using photoacoustic infrared spectroscopy. J. Coatings Tech. 59(755):1987;103-109.
22. Marcotte F.B., Campbell D., Cleaveland J.A., Turner D.T. Photolysis of poly(ethylene terephthalate). J. Polym. Sci., Polym. Chem. Ed. 5:1967;481-501.
23. Pace M.D., Roland C.M. Characterisation of radical defects from abrasion and UV photolysis in poly(ethylene terephthalate) fibers. Polymer. 32:1991;1027-1030.
24. Lukey CA, Gamage NJW, Hill DJT, Pomery PJ. Thermal characterisation of polyester-melamine coating matrices prepared under non-isothermal conditions. J Polym Sci: Polym Chem Ed 2003;41:1603-21.
25. Killgoar P.C., Van Oene H. Ultraviolet light induced reactions in polymers. ACS Symp. Ser. 25:1976;407-422.
26. Peterlin A. ESR investigation of chain rupture in mechanically strained crystalline polymer solids. J. Magnetic Resonance. 19:1975;83-98.
27. Popov A.A., Zaikov G.E. Effects of stresses on polymer oxidation. Quantitative aspects. II. Plastics. J. Macromol. Sci., Rev. Macromol. Chem. Phys. C27(3-4):1987;343-377.
28. DeVries K.L., Hornberger L.E. Macroscopic, microscopic and molecular aspects of fracture of polymers. Polym. Degrad. Stab. 24:1989;213-240.
29. DeVries KL, Roylance D. In: Kroschwitz JI, editor. ESR-polymer characterization and analysis. Encyclopedia reprint series. New York: John Wiley and Sons; 1990. p. 204.
30. Tomashevskii É.E., Pavlova I.N., Savostin A.Y. Effect of mechanical stresses on photolysis kinetics of Capron. Fiz. Tverd. Tela. 7:1965;485-488.
31. Samoilov G.G., Tomashevskii É.E. Kinetics of photodegradation of stressed polymers. Fiz. Tverd. Tela. 10:1968;1094-1097.
32. Campbell D., Peterlin A. Free radical formation in uniaxially stressed nylon. J. Polym. Sci., Part B. 6:1968;481-485.
33. DeVries K.L., Roylance D.K., Williams M.L. Uses of electron paramagnetic resonance in studying fracture. J. Polym. Sci., Part A-1. 8:1970;237-252.
34. Nagamura T., Fukitani K., Takayanagi M. Radical formation during tensile deformation of highly drawn crystalline poly[p-(2-hydroxyethoxy)benzoic acid] fibers. J. Polym. Sci., Polym. Phys. Ed. 13:1975;1515-1532.
35. Lukey C.A. The use of chemiluminescence analysis to measure hydroperoxide levels in photo-oxidised polyester/melamine surface coatings. Prog. Org. Coatings. 41:2001;129-134.
36. Faucitano A., Buttafava A., Martinotti F., Gratani F., Bortolus P. Nature and ESR anisotropy of trapped radicals in UV-irradiated isotactic polypropylene at 4.2K and 77K. J. Polym. Sci., Polym. Chem. Ed. 23:1985;635-648.
37. Teissedre G., Pilichowski J.F., Lacoste J. Photoaging of polyolefins. I. Photolysis of low molecular weight hydroperoxide at λ ≥300nm. Polym. Degrad. Stab. 45:1994;145-153.
38. Shinohara Y., Balantine D. Free radicals in irradiated nylon. J. Chem. Phys. 36:1962;3042-3049.
39. Momose Y., Ikawa K., Sato T., Okazaki S. XPS and ESR studies of the photodegradation of polyamidoimide and polyimide in oxygen, oxygen+nitrogen, air, nitrogen and vacuum atmospheres. J. Appl. Polym. Sci. 33:1987;2715-2729.