Preparation and properties of acrylic emulsion emulsified by reactive surfactants / Zheqing Gong in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 212, N° 4674 (04/2022)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 212, N° 4674 (04/2022) . - p. 46-48 Titre : Preparation and properties of acrylic emulsion emulsified by reactive surfactants Type de document : texte imprimé Auteurs : Zheqing Gong, Auteur ; Wangting Zhao, Auteur ; Lijun Chen, Auteur Année de publication : 2022 Article en page(s) : p. 46-48 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Angle de contact Caractérisation Emulsifiants Fumarate de dibutyle Maléates Polyacryliques Polymères en émulsion Surfactants réactifs Vinyltriéthoxysilane Index. décimale : 667.9 Revêtements et enduits Résumé : The acrylic emulsions were prepared successfully when the mixed monomers including dibutyl fumarate (DBF) and vinyl triethoxysilane (VTES) were initiated with KPS and emulsified with the mixed surfactants SR-10 and DOM. The prepared recipe was optimised and obtained as follows: the amount of emulsifiers was 5% ; the amount of initiator 0.4%, and amounts of the DBF and VETS were 5% and 2%, respectively. The prepared emulsion had good chemical and mechanical properties. The appearance of the resultant emulsion was translucent and light blue. The particle size of the resultant emulsion was in the range of 69nm to 105nm and the distribution was very narrow. Note de contenu : - EXPERIMENTAL : Materials - Preparation of acrylic emulsion - Characterisations - RESULTS AND DISCUSSION : FTIR of film - DSC of film - Determination of amount of emulsifiers - Determination of amount of initiator - Contact angle of film - Table 1 : Influence of amount of emulsifiers on emulsion properties En ligne : https://drive.google.com/file/d/1pMtJyhAf8Oh1Dctr9Ze1Od_46MNY5Btx/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37392 [article]

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Study on influencing factors of stability of acrylate cathodic electrodeposition coatings / Xu Conghui in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 212, N° 4675 (06/2022)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 212, N° 4675 (06/2022) . - p. 49-51 Titre : Study on influencing factors of stability of acrylate cathodic electrodeposition coatings Type de document : texte imprimé Auteurs : Xu Conghui, Auteur ; Zheqing Gong, Auteur ; Wangting Zhao, Auteur ; Lijun Chen, Auteur Année de publication : 2022 Article en page(s) : p. 49-51 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation Dépôt électrolytique Polyacrylates Réticulants Revêtements -- Stabilité Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : The stability of the CED coatings is vital to their storage and application, which have an important effect on the film of the CED coatings. In this work, CED coatings were prepared by mixing the synthetic resin and blocked isocyanate. The factors, which have an influence on the stability of the CED coatings, were studied and optimised. The optimum conditions for preparing the CED coatings with good stability are the following. The mixing process is that the resin and curing agent is mixed well, and then water is added to disperse in the blender. The rotational speed and dispersed time were 900r/min and 40min, respectively. TDI trimer was the curing agent of the CED coating. The neutralisation degree was 80%. Note de contenu : - EXPERIMENTAL : Materials - Preparation of CED coatings - Characterisation - RESULTS AND DISCUSSION : Influence of mixed process on stability of CED coatings - Effect of agitation on the stability of CED coatings - Determination of curing agent - Influence of components of cationic acrylate resin on stability of CED coatings - Table 1 : Effect of mixing process on stability of CED coatings - Table 2 : Influence of agitation on stability of CED coatings - Table 3 : Main parameters of curing agents - Table 4 : Effec(ts of curing agent on stability of CED coatings - Table 5 : Influences of different amine value and hydroxyl value on appearance and stability of CED coatings En ligne : https://drive.google.com/file/d/19TTEkh3IzJZZBS5kdemEFqnTBsaj3pND/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37786 [article]

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