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New coating systems based on vinyl ether- and oxetane-modified hyperbranched polyesters

2000; Wiley; Volume: 275; Issue: 1 Linguagem: Inglês

10.1002/(sici)1439-2054(20000201)275

1439-2054

Dirk Schmaljohann, Brigitte Voit, Johan F. G. A. Jansen, P. Hendriks, J. A. Loontjens,

Conducting polymers and applications

Macromolecular Materials and EngineeringVolume 275, Issue 1 p. 31-41 Full Paper New coating systems based on vinyl ether- and oxetane-modified hyperbranched polyesters D. Schmaljohann, D. Schmaljohann Department of Materials Science & Engineering, Cornell University, Ithaca, New York 14853, USASearch for more papers by this authorB. I. Voit, B. I. VoitSearch for more papers by this authorJ. F. G. A. Jansen, J. F. G. A. Jansen DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this authorP. Hendriks, P. Hendriks DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this authorJ. A. Loontjens, J. A. Loontjens DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this author D. Schmaljohann, D. Schmaljohann Department of Materials Science & Engineering, Cornell University, Ithaca, New York 14853, USASearch for more papers by this authorB. I. Voit, B. I. VoitSearch for more papers by this authorJ. F. G. A. Jansen, J. F. G. A. Jansen DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this authorP. Hendriks, P. Hendriks DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this authorJ. A. Loontjens, J. A. Loontjens DSM Research, 6160 MD Geleen, The NetherlandsSearch for more papers by this author First published: 16 March 2000 https://doi.org/10.1002/(SICI)1439-2054(20000201)275:1 3.0.CO;2-4Citations: 38AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Abstract A series of hyperbranched aliphatic-aromatic polyesters has been synthesized which contain vinyl ether or oxetane functionalities as curable groups. We investigated the curing behavior of these multifunctional polymers in the presence of reactive diluents in order to analyze the possibility of their application in high solids coatings. The vinyl ether-modified hyperbranched polyesters with a high degree of modification yield the best coatings. Furthermore, coating systems containing vinyl ether-modified hyperbranched polyesters and triethyleneglycol divinyl ether (DVE-3) as reactive diluent showed a better performance compared to those containing 4-hydroxybutyl vinyl ether (HBVE). Real time FT-IR studies revealed a high conversion of functional groups (76%) for the cationic curing with DVE-3. On the other hand, the curing reaction of the functional hyperbranched polymers without the presence of any reactive diluent stopped at 32% conversion of functional groups due to the reduced mobility of the polymer. The vinyl ether-modified hyperbranched polyester could be cured also radically in the presence of diethyl maleate (DEM) as reactive diluent, whereas the curing of the oxetane-modified polyesters was very slow and incomplete in all attempts. Citing Literature Volume275, Issue1February 2000Pages 31-41 RelatedInformation