Phosphate modified lanolin fatliquors produced by a sustained-released method / Wang Xue-Chuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 6 (11-12/2004)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 88, N° 6 (11-12/2004) . - p. 228-230 Titre : Phosphate modified lanolin fatliquors produced by a sustained-released method Type de document : texte imprimé Auteurs : Wang Xue-Chuan, Auteur ; Feng Yan-Juan, Auteur ; An Hua-Rui, Auteur ; Sun Ming, Auteur Année de publication : 2004 Article en page(s) : p. 228-230 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Huiles et graisses Lanoline Matériaux -- Modifications chimiques Phosphates Produits de nourriture du cuir Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The synthesis of a phosphate modified lanolin fatliquor was made using ethanolamine via lanoline amidate reaction followed by the phosphate reaction by a sustained-release method using P2O5 dispersed in a solvent. The phosphate reaction confirmed that the best conditions were at 75°C for 2.5 hrs with a 3.0:1.0 molar ratio of hydroxy to P2O5. The result indicated that mole fraction of phosphoric acid monoester (MAP) made by the sustained-release method and the conversion of P2O5 increased by 12.3% and 5.7% respectively compared to the direct addition of P2O5 method. Phosphate fatliquor preparation by this method overcomes the odour problem of lanoline and is controllable. It is an eco-friendly reaction without wastage and is in accord with the demands of green production. Note de contenu : - EXPERIMENTAL DETAILS : Materials - Reaction principal of lanolin and alcohol amine - Reaction principal of phosphate - Phosphate reaction - Analysis and testing the of the chemical intermediate - RESULTS AND DISCUSSION : Amidate reaction of lanolin - Selection of solvent for dispersion of P2O5 11 - The phosphate reaction - Table 1 : Factors and levels - Table 2 : Appearance of the phosphate lanolin synthesised using different solvents - Table 3 : The results of the orthogonal experiment En ligne : https://drive.google.com/file/d/1cOW4Eo0nTk2pNJR_24MBNXwTKXmTnxi1/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39614 [article]

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