Novel alkyd-type coating resins produced using cationic polymerization / Samim Alam in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 4 (07/2015)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 4 (07/2015) . - p. 633-646 Titre : Novel alkyd-type coating resins produced using cationic polymerization Type de document : texte imprimé Auteurs : Samim Alam, Auteur ; Deep Kalita, Auteur ; Anurad Jayasooriyamu, Auteur ; Shashi Fernando, Auteur ; Sathyabrata Samanta, Auteur ; James Bahr, Auteur ; Sermadurai Selvakumar, Auteur ; Mukund Sibi, Auteur ; Jessica Vold, Auteur ; Chad Ulven, Auteur ; Bret J. Chisholm, Auteur Année de publication : 2015 Article en page(s) : p. 633-646 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cyclohexyl vinyle ether Huile de soja Oxydation Polyaddition Polyvinyl éther Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : Novel, partially bio-based poly(vinyl ether) copolymers derived from soybean oil and cyclohexyl vinyl ether (CHVE) were produced by cationic polymerization and investigated for application as alkyd-type surface coatings. Three different polymers were produced and cured clear coatings and free films characterized as a function of CHVE comonomer content and curing conditions. CHVE comonomer content was varied at 0, 25, and 50 wt%, and the three different curing conditions were 1 week at room temperature, 120°C for 1 h, and 150°C for 1 h. The results of the study showed that the thermal, mechanical, and physical properties of the coatings produced from these novel polymers varied considerably as a function of polymer composition and cure temperature. Overall, the results suggest a good potential for these novel copolymers to be used for coatings cured by autoxidation. Compared to conventional alkyd resins, which are produced by high temperature melt condensation polymerization, these poly(vinyl ether)s provide several advantages. These advantages include milder, more energy efficient polymer synthesis, elimination of issues associated with gelation during polymer synthesis, production of polymers with well-defined composition and relatively narrow molecular weight distribution, and elimination of film formation and physical property issues associated with entrained monomers, dimers, trimers, etc. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of homopolymers and copolymers of 2-VOES and CHVE - Preparation of free films and coated panels - Methods - Instrumentation - RESULTS AND DISCUSSION : Synthesis and characterization of poly(2-VOES-co-CHVE) copolymers - Viscoelastic properties and gel content of cured films - Mechanical properties of cured films - Properties of coated substrates DOI : 10.1007/s11998-015-9667-2 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9667-2.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24396 [article]

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