Synthesis and application of a new phosphate ester based on nonionic amphiphilic polyurethane as leather fatliquoring agent / Hanping Li in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXI, N° 12 (12/2016)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXI, N° 12 (12/2016) . - p. 427-434 Titre : Synthesis and application of a new phosphate ester based on nonionic amphiphilic polyurethane as leather fatliquoring agent Type de document : texte imprimé Auteurs : Hanping Li, Auteur ; Yong Jin, Auteur ; Baozhu Fan, Auteur ; Rui Qi, Auteur ; Xinfeng Cheng, Auteur Année de publication : 2016 Article en page(s) : p. 427-434 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Composés organiques -- Synthèse Essais (technologie) Ester de phosphate Huiles et graisses Polymères amphiphiles Polyuréthanes Produits de nourriture du cuir Résistance au jaunissement Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : A new polyurethane phosphate ester (PUP-2) was successfully synthesized based on a nonionic amphiphilic polyurethane (PU-2). The structures and properties of PU-2 and PUP-2 were characterized by FTIR and surface tensiometer. The fatliquoring experiments were carried out in three different groups (treated with PUP-2 alone, with the complex of hexadecyl phosphate ester (SU) and PUP-2, or with the complex of SLP, PUP-2 and other commercialized fatliquoring agents, respectively). The physical and organoleptic properties of the resultant leathers were investigated and SEM was carried out in the study of fiber splitting. The leathers treated in the three different fatliquoring experiments all did not have fatty spew defect. Furthermore, the resultant leathers treated with PUP-2 alone or with the complex of SLP and PUP-2 had the advantage of resistance to yellowing. This new phosphate ester meets the requirements for the leathers with a good performance in resistance tu yellowing and avoiding fatty spew defect. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of hexadecyl phosphate ester (SLP), PU-2 and PUP-2 - Application on leathers - Description of the experimental tests - RESULTS AND DISCUSSION : Characterization of synthetic chemicals - Characterization of resultant leathers En ligne : https://drive.google.com/file/d/1HTMSzJxTl7hB64oXFXNtzp7vWZ3hDN2h/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27324 [article]

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