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Hyperbranched-linear polymers as promising leather additives / Wang Xuechuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 1 (01-02/2017)

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inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 101, N° 1 (01-02/2017) . - p. 6-9

Titre :	Hyperbranched-linear polymers as promising leather additives
Type de document :	texte imprimé
Auteurs :	Wang Xuechuan, Auteur ; Lu Weina, Auteur ; Li Yang, Auteur ; Wang Haijun, Auteur
Année de publication :	2017
Article en page(s) :	p. 6-9
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Additifs Caractérisation Cuirs et peaux -- Propriétés mécaniques Groupe hydroxyle Polyesters Polymères -- Synthèse Polymères ramifiés
Index. décimale :	675 Technologie du cuir et de la fourrure
Résumé :	A series of coconut oil-based hydroxyl-terminated hyperbranched-linear polyesters of generations 1-3 (CHBPs) were synthesized using a one-pot method and utilized in leather making. The effect of hyperbranched polymers on collagen fibres was discussed by comparing with linear products at macro level. The experimental results showed that hyperbranched polymers are less lubricating than linear compounds but have more filling abilities. Thickening rates of the leather treated by CHBPs decreased with growing generations due to their hydroxyl groups external to the molecule which will cross-link collagen fibres. In addition, CHBPs at higher generations can shrink location difference sharply. Unluckily, except for CHBP, other products didn't improve the mechanical properties of the leather remarkably. Still, hyperbranched polymers showed great potential application in the leather industry.
Note de contenu :	- EXPERIMENTAL SECTION : Materials - Synthesis of coconut oil-based hyperbranched polyesters (CHBPs) - Fatliquor process - Characterisation - RESULTS AND DISCUSSION : Synthesis of CHBPs - Filing properties - Solftness properties - Mechanical properties
En ligne :	https://drive.google.com/file/d/13rfI0LehgtbJN0f0dUMxRZGbzRGbruPM/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27935

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