Application of amphoteric polymers in the process of leather post-tanning / Xuechuan Wang in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 3 (Année 2021)

[article]  inJOURNAL OF LEATHER SCIENCE AND ENGINEERING > Vol. 3 (Année 2021) . - 9 p. Titre : Application of amphoteric polymers in the process of leather post-tanning Type de document : texte imprimé Auteurs : Xuechuan Wang, Auteur ; Sun Siwei, Auteur ; Xing Zhu, Auteur ; Guo Peiying, Auteur ; Liu Xinhua, Auteur ; Chunlin Liu, Auteur ; Meng Lei, Auteur Année de publication : 2021 Article en page(s) : 9 p. Langues : Anglais (eng) Catégories : Agents de tannage Composés amphotériques Cuirs et peaux Polymères -- Synthèse Post-tannage Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : With the characteristics of controllable charge and environmental friendliness, amphoteric polymers can be used in post-tanning process to solve the problems that arise during leather making and are caused by the low absorption rate of single-charge chemicals, incompatibility with new tanning methods, and complex operation process. In this review, the structure, performance, and preparation of amphoteric polymers are reported. Then, the charge change of collagen during different tanning and pH treatments is introduced. Finally, the application and development of amphoteric polymers during the post-tanning process of leather making are discussed. This review has certain guiding significance to the preparation and application of amphoteric polymers for tanning system. Note de contenu : - STRUCTURE, PROPERTIES, AND SYNTHESIS METHODS OF AMPHOTERIC POLYMERS : Structure and properties of amphoteric polymers - Synthetic methods of amphoteric polymers - AMPHOTERIC PROPERTIES OF COLLAGEN AFTER TANNING : - RESEARCH PROGRESS OF AMPHOTERIC POLYMER DURING POST-TANNING : Retanning agent - Fatliquoring agent - Other materials - CONCLUSIONS AND PROSPECTS : Development of amphoteric polymers with different structures for leather making - Study on the interaction mechanism between amphoteric polymers and leather Exploration of characterization methods - Clean application process of amphoteric materials in post-tanning Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37474 [article]

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Progress of application and chemical modification of biomass collagen : a review / Wang Xuechuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 5 (09-10/2015)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 99, N° 5 (09-10/2015) . - p. 216-222 Titre : Progress of application and chemical modification of biomass collagen : a review Type de document : texte imprimé Auteurs : Wang Xuechuan, Auteur ; Xiaoqin Wang, Auteur ; Ren Longfang, Auteur ; Qiang Taotao, Auteur ; Guo Peiying, Auteur ; Zhang Feifei, Auteur Année de publication : 2015 Article en page(s) : p. 216-222 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chimie industrielle Collagène Copolymères greffés Copolymérisation Greffage (chimie) Matériaux -- Applications industrielles Réticulation (polymérisation) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : As an animal biomass resource, collagen not only has rich sources, but is also an important component of animal skins. In this study, structure and functional characteristics of collagen are summarized. The lastest achievements on molecular assembly modifying methods for collagen cross-linking, groups, and graft copolymerization modifications are reviewed. The applications of modified collagen in the fields of leathers, papermaking, cosmetics, biomedical material and food industry ect. are summarized. In addition, the prospect of its application in the leather industry is stated. Note de contenu : - COLLAGEN : The structure of collagen - The functional characteristics of collagen - THE CHEMICAL MODIFICATION OF COLAGEN : Cross-linking modification - Group modification - Graft modification - THE APPLICATION OF MODIFIED COLLAGEN : Leather industry - Papermaking additives - Cosmetics - Biomedical material - Food industry - Others - PROPECT FORECAST En ligne : https://drive.google.com/file/d/1snCJYNAQ-9VYDnjOOQkCqyACeC7pqukj/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24647 [article]

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