Documents disponibles écrits par cet auteur

Adsorption and UV protection properties of the extract from honeysuckle onto wool / Sha-Sha Sun in Industrial & engineering chemistry research, Vol. 50 N° 8 (Avril 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 8 (Avril 2011) . - pp. 4217–4224 Titre : Adsorption and UV protection properties of the extract from honeysuckle onto wool Type de document : texte imprimé Auteurs : Sha-Sha Sun, Auteur ; Ren-Cheng Tang, Auteur Année de publication : 2011 Article en page(s) : pp. 4217–4224 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Adsorption Résumé : The adsorption and UV-protection properties of water-extract from honeysuckle whose main ingredient is chlorogenic acid onto wool were studied. The effect of initial pH on the adsorption was investigated, and the extent of adsorption was found to increase with decreasing pH in the range 2−7. Four kinetic equations, namely pseudo-first-order, pseudo-second-order, Elvoich, and intraparticle diffusion equations were employed to investigate the adsorption rates. The pseudo-second-order model provided the best fit to the experimental data and was indicated with the activation energy of 47.91 kJ mol−1. The equilibrium adsorption data were fitted by Freundlich, Langmuir, Redlich−Peterson, and Langmuir−Nernst isotherm models. The adsorption behavior accorded with Redlich−Peterson and Langmuir−Nernst models well. The honeysuckle extract showed good build-up properties, and the UV transmittance in the range of UVA and UVB of wool treated with honeysuckle extract decreased obviously while the ultraviolet protection factors increased. The extract of honeysuckle may be developed as a natural UV-absorbing agent applied to wool finishing. DEWEY : 660 ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie101505q [article] Adsorption and UV protection properties of the extract from honeysuckle onto wool [texte imprimé] / Sha-Sha Sun, Auteur ; Ren-Cheng Tang, Auteur . - 2011 . - pp. 4217–4224. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 8 (Avril 2011) . - pp. 4217–4224 Mots-clés : Adsorption Résumé : The adsorption and UV-protection properties of water-extract from honeysuckle whose main ingredient is chlorogenic acid onto wool were studied. The effect of initial pH on the adsorption was investigated, and the extent of adsorption was found to increase with decreasing pH in the range 2−7. Four kinetic equations, namely pseudo-first-order, pseudo-second-order, Elvoich, and intraparticle diffusion equations were employed to investigate the adsorption rates. The pseudo-second-order model provided the best fit to the experimental data and was indicated with the activation energy of 47.91 kJ mol−1. The equilibrium adsorption data were fitted by Freundlich, Langmuir, Redlich−Peterson, and Langmuir−Nernst isotherm models. The adsorption behavior accorded with Redlich−Peterson and Langmuir−Nernst models well. The honeysuckle extract showed good build-up properties, and the UV transmittance in the range of UVA and UVB of wool treated with honeysuckle extract decreased obviously while the ultraviolet protection factors increased. The extract of honeysuckle may be developed as a natural UV-absorbing agent applied to wool finishing. DEWEY : 660 ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie101505q