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A natural, powerful and biodegradable suspension agent for home care / Sujandi Zhou in SOFW JOURNAL, Vol. 147, N° 10 (10/2021)
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Titre : A natural, powerful and biodegradable suspension agent for home care Type de document : texte imprimé Auteurs : Sujandi Zhou, Auteur ; M. Chabert, Auteur ; Céline Orizet, Auteur Année de publication : 2021 Article en page(s) : p. 8-13 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Détergents -- Biodégradation
Détergents liquides
Dispersions et suspensions
Formulation (Génie chimique)
Lessives
Produits nettoyants
RhéologieIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : We present an innovative, natural and readily biodegradable suspension agent that opens new possibilities to homecare formulators. When added to detergent formulas, it brings a very powerful suspension capacity without any perceivable impact on viscosity. The agent is based on activated cellulose fibers obtained through the fermentation of starch using specific bacterial strains. We present rheology measurements that allow us to predict the suspension power of a detergent formula supplemented with the agent, based on its rheology at low shear rates. The yield stress value extracted from Bingham plots highly correlates with the density and size of the objects that can be suspended with the agent. We show the application of the agent in multiple home care formulations, in particular the suspension of decorative visual beads and concentrated fragrance in a typical liquid laundry formula. We describe how it is simple to add the suspension agent to a formula due to its pre-activated liquid format. A formula supplemented with the suspension agent is stable for several months at 45°C, with sustained suspension power and no demixion or change in aspect, highlighting the suitability of the suspension agent for commercial consumer products. Note de contenu : - MATERIALS : Solvay standard liquid laundry detergent composition - Rheozan BLC
- METHODS : equipment & principle of Lab measurements - Stability tests
- RESULTS : Rheology of BLC in LLD - Evaluation of yield stress - Yield stress vs suspension power - Typical application formula and its stability as a function of time
- Table 1 : Solvay liquid laundry chassis compositionEn ligne : https://drive.google.com/file/d/1gLowbvm4JFQ0qZ0ZKleZVMzlLkSNQqvX/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36550
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