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Interaction between a, B Layered Sodium Disilicate and Surfactants in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 46, N° 2/2009 (02-03/2009)
[article]
Titre : Interaction between a, B Layered Sodium Disilicate and Surfactants Type de document : texte imprimé Année de publication : 2009 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Sodium -- Composés
SurfactantsTags : Layered sodium disilicate Surfactant Interaction Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : This paper investigated the interaction of a-Na2Si2O5 and B-Na2Si2O5 with surfactants sodium dodecylbenzene sulfonate (LAS), sodium lauryl sulfate (K12), alkyl polyglycol ether-9 (AEO-9) and a-olefin hydrocarbon sulfonate (AOS) under condition approximating the detergent spray drying process. The interaction samples were characterized by XRD and TG. The experimental results showed that a-Na2Si2O5 and B-Na2Si2O5 sustained their phases after interacted with surfactants. The relative crystallinity of a-Na2Si2O5 had little change after interacting with surfactants exception of AOS because it had better adsorbable effect on the surface of a-Na2Si2O5 than LAS, K12 and AEO-9. At the same conditions, the amount of H2O and surfactants were both important factors on the relative crystallinity of béta-Na2Si2O5. It also was proved that the temperature had little influence on the relative crystallinity of both alpha-Na2Si2O5 and béta-Na2Si2O5. Compared with Al-d-Na2Si2O5, a-Na2Si2O5 and B-Na2Si2O5 were more stable than Al-d-Na2Si2O5 after interacted with surfactants. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4577
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