Acrylate grafted dehydrated castor oil alkyd-A binder for exterior paints / Subhasri Majumdar in PAINTINDIA, Vol. XLIX, N° 8 (08/1999)

[article]  inPAINTINDIA > Vol. XLIX, N° 8 (08/1999) . - p. 57-65 Titre : Acrylate grafted dehydrated castor oil alkyd-A binder for exterior paints Type de document : texte imprimé Auteurs : Subhasri Majumdar, Auteur ; Dhirendra Kumar, Auteur ; Y. P. S. Nirvan, Auteur Année de publication : 1999 Article en page(s) : p. 57-65 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Matériau  revêtement'  Peinture  Utilisation  Navire  Liant  'Corps  gras  végétal'  'Huile  ricin'  Déshydratation  Greffage  'Méthacrylate  copolymère'  'Alkyde  résine'  'Résistance  intempérie'  'Propriété  physique'  Feuil  mécanique'  optique'  'Etude  expérimentale' Index. décimale : 667.9 Revêtements et enduits Résumé : To meet the requirement of improved durability of an alkyd resin for use in weatherwork paints for superstructure of ships, an attempt has been made to chemically modify castor oil alkyd by graft copolymerisation with methyl methacrylate and butyl methacrylate, in view of their ability to provide polymers with good exterior durability. Characterisation of the experimental resins in respect of physical properties was carried out using instruments namely vapour pressure osmometer, rotational viscometer, universal tensile testing instrument (Instron 1123) and differential scanning calorimeter. Performance of the resins was evaluated using fluorescent UV accelerated weatherometer and multi-head glossmeter. The results reveal substantial improvement in drying and weather resistance properties of castor oil alkyd on graft copolymerisation with both, methyl methacrylate and butyl methacrylate. The improvement in these properties is marginally superior in case of MMA grafted alkyds. MMA modification also enhances the mechanical properties of the grafted castor oil alkyd. Note de contenu : - EXPERIMENTAL DETAILS - Chemicals - Synthesis of acrylated alkyd - Characterisation of acrylated alkyd resins - Performance evaluation of acrylated alkyd films Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13034 [article]

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Acrylate grafted dehydrated castor oil alkyd : A binder for exterior paints / Subhasri Majumdar in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 70, N° 879 (04/1998)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 70, N° 879 (04/1998) . - p. 27-33 Titre : Acrylate grafted dehydrated castor oil alkyd : A binder for exterior paints Type de document : texte imprimé Auteurs : Subhasri Majumdar, Auteur ; Dhirendra Kumar, Auteur ; Y. P. S. Nirvan, Auteur Année de publication : 1998 Article en page(s) : p. 27-33 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion Bateaux -- Revêtements:Bateaux -- Peinture Copolymères greffés Huile de ricin et constituants Huiles et graisses Liants Polyméthacrylate de butyle Résistance aux conditions climatiques Index. décimale : 667.9 Revêtements et enduits Résumé : To meet the requirement of improved durability of alkyd resin for use in weatherwork paint for superstructure of ships, an attempt has been made to chemically modify a castor oil alkyd by graft copolymerization with methyl methacrylate and butyl methacrylate in view of their ability to provide polymers with good exterior durability. Characterization of the experimental resins, in respect to physical properties, was carried out using instruments such as a vapor pressure osmometer, rotational viscometer, universal tensile testing instrument (Instron 1123), and differential scanning calorimeter. Performance of the resins was evaluated using a fluorescent UV accelerated weatherometer and multi-head glossmeter. The results reveal substantial improvement in drying and weather resistance properties of castor oil alkyd on graft copolymerization with both methyl methacrylate and butyl methacrylate. The improvement in these properties is marginally superior in the case of MMA grafted alkyds. MMA modification also enhances the mechanical properties of the grafted castor oil alkyd. Note de contenu : - Chemicals - Synthesis of acrylated alkyd - Characterization of acrylated alkyd resins - Performance evaluation of acrylated alkyd films Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17968 [article]

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