Microencapsulation of isocyanates. Characterization and storage stability of microcapsules in a polyester α, ω-ol / Evelyne Quérat in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 854 (03/1996)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 68, N° 854 (03/1996) . - p. 83-90 Titre : Microencapsulation of isocyanates. Characterization and storage stability of microcapsules in a polyester α, ω-ol Type de document : texte imprimé Auteurs : Evelyne Quérat, Auteur ; Lan Tighzert, Auteur ; Jean-Pierre Pascault, Auteur Année de publication : 1996 Article en page(s) : p. 83-90 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Encapsulation Isocyanates Poly-e-caprolactone Polycondensation Polyesters Stabilité au stockage Index. décimale : 667.9 Revêtements et enduits Résumé : The microencapsulation of toluene 2,4-diisocyanate dimer (di-TDI) was accomplished by interfacial polycondensation with ethylene diamine in cyclohexane and in a polycaprolactone; the influence of different parameters was discussed. The microcapsules obtained were characterized according to morphology and NCO content. Their behavior in two polycaprolactones was studied. The reaction between NCO and OH groups took place only after the isocyanate melting when encapsulation was well done. The stability of microcapsules stored in polycaprolactones at room temperature and 40 °C was also examined. Note de contenu : - EXPERIMENTAL : Materials - Synthesis - Analysis - RESULTS AND DISCUSSION : Influence of different parameters of reaction on the microencapsulation process - Characterization of microcapsules - Behavior and reactivity of microcapsules in polycaprolactone - Effect of residual EDA - Stability of microcapsules in polycaprolactones Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18472 [article]

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