Chlorinated maleinized guayule rubber as an adhesion promoter for polypropylene / Michael. D. Foster in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 71, N° 889 (02/1999)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 71, N° 889 (02/1999) . - p. 91-99 Titre : Chlorinated maleinized guayule rubber as an adhesion promoter for polypropylene Type de document : texte imprimé Auteurs : Michael. D. Foster, Auteur ; Shelby F. Thames, Auteur Année de publication : 1999 Article en page(s) : p. 91-99 Note générale : Bibliogr. Langues : Américain (ame) Tags : 'Matériau  revêtement'  'Peinture  eau'  Adhérence  'Matière  plastique'  'Propène  polymère'  'Traitement  surface'  'Caoutchouc  naturel'  modifié'  Chloration  Furane-2,5-dione(2,5-dihydro)  'Promoteur  adhérence' Index. décimale : 667.9 Revêtements et enduits Résumé : Chlorinated maleinized guayule rubbers (CMGR) were synthesized and applied as coatings onto polypropylene panels. CMGR orientation was critical to adhesion and was verified by contact angle measurements. Reducing the quantity of tetrahydrofuran (THF) decreased adhesion from 57 N/cm2 with pure THF to 23 N/cm2 with four percent THF in water. Percent maleinization above a critical concentration of 15 by weight decreased adhesion. However, 10% maleinization was required for dispersion stability in water while 5-10% concentration provided maximum adhesion. A five percent maleic CMGR dispersion at 240 g/L THF concentration was stable for less than 24 hr while a 10% maleic anhydride concentration has shown long-term stability. Note de contenu : - EXPERIMENTAL : Materials and equipment - FTIR analysis of CMGR - Titration of CMGR - Coating formulation - VOC effect on adhesion - Surface application - Coating surface analysis - Experimental design - Adhesion testing - Contact angle and calculation of the surface energy Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17842 [article]

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