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Collagen hydrolysate soluble skin applied in post-tanning processes - Part 1. Characterisation / Carlos S. Cantera in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 84, N° 1 (01-02/2000)
[article]
Titre : Collagen hydrolysate soluble skin applied in post-tanning processes - Part 1. Characterisation Type de document : texte imprimé Auteurs : Carlos S. Cantera, Auteur ; L. Goya, Auteur ; R. Mingo, Auteur Année de publication : 2000 Article en page(s) : p. 29-37 Note générale : Bibliogr. Langues : Français (fre) Catégories : Caractérisation
Dérayures de cuir chromé
Hydrolysat de collagène
Post-tannageIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Upgrading solid wastes of a protein nature means a change in the modality of "throwing away" proteins and considering their reutilisation, i.e. in technological agricultural applications and as a raw material for the manufacture of industrial products.
The processing of chrome shavings by alkaline-enzymatic hydrolysis leads to obtaining a collagenhydrolysate (CH) and the recovery of the tanning material through the dissolution of the so-called 'chrome cake'.
The CH applied in leather manufacturing performs a synergistic action with retanning agents, in addition to its "cosmetic-lubricating" effect that enhances the leather grain properties and provides greater softness, improving the resistance of the fibrous tissue. Also, there is a ‘restoring effect’ upon the grain surface of semi-finished leather, thus masking preservation defects and damage marks on the skin. The interaction with dyes is made evident by intensified colours and homogeneous dyeing.
For a better understanding of the interactions between CH and the agents involved in the post-tanning processes or for the elaboration of derivative compounds for specific purposes, it is important to know certain issues concerning reactivity in the mixture of the polypeptides contained in collagen hydrolysate.
This paper provides an analysis protocol for the characterisation of collagen hydrolysate, which provides relevant data both for the control of the CFI and for the appropriate design of its various applications.Note de contenu : - Applications of collagen hydrolysate
- The use of collagen hydrolysate in the leather industry
- Characterisation of the collagen hydrolysate : Protocol of the analysis
- Table 1 : p1-1 ranges for the analysis of gelatin titration curves (*)
- Table 2 : Interpretation of the titration curve of collagen hydrolysate
- Table 3 : Changes in total N-terminal residues in limed geIatin—Data for collagen hydrolysate were included (in mmols/g protein)
- Table 4 : Characteristics of the collagen hydrolysate manufactured at CITEC-alkaline-enzymatic hydrolysis of chrome shavingsEn ligne : https://drive.google.com/file/d/1XVw06uufmkt6UwyAPA2_ZE5zeV4JkRCc/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41619
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 84, N° 1 (01-02/2000) . - p. 29-37[article]Exemplaires
Code-barres Cote Support Localisation Section Disponibilité aucun exemplaire Correlation analysis and comparative study on properties on pineapple leaf-neoprene adhesive-chrome leather shavings composites / Leili in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 108, N° 5 (09-10/2024)
[article]
Titre : Correlation analysis and comparative study on properties on pineapple leaf-neoprene adhesive-chrome leather shavings composites Type de document : texte imprimé Auteurs : Leili, Auteur ; Yali Ou, Auteur ; Yinghua Ma, Auteur Année de publication : 2024 Article en page(s) : p. 244-248 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colles:Adhésifs
Composites -- Propriétés mécaniques
Composites -- Propriétés physiques
Cuirs et peaux -- Déchets -- Recyclage
Dérayures de cuir chromé
Feuille d'ananas et constituants
PolychloroprèneIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this study, "correlation analysis" was used to calculate the physical and mechanical property index data of the prepared composite materials. After preparing such composites with neoprene/chromium leather fillings and adding 15% of pineapple leaf fibre, we examined the properties of RL/NA/PLF tensile strength and elongation at break, tensile strength and collapse strength, elongation at break and collapse height, permeability and 15min water absorption, permeability and 24h water absorption, 15min and 24h water absorption, 24h water absorption and surface wetting, tensile strength and 15min water absorption, tensile strength and 24h water absorption, tensile strength and 24h water absorption, resistance. The results showed that the correlations between tensile strength and surface wettability, collapse strength and permeability, collapse strength and 15min water absorption, collapse strength and surface wettability are opposite to the corresponding indexes of RL/NA. This result is due to the pineapple leaf fibre itself having high strength, low elongation, good water absorption and good air permeability characteristics, which give these results when coupled with the interaction with neoprene adhesive and chrome tanned leather collagen fibre. Note de contenu : - Introduction of correlation analysis and pearson product moment correlation coefficient
- Determination of physical and mechanical properties of RL/NA/PLF and RL/NA
- Calculation of physical and mechanical properties of r OF RL/NA AND RL/NA/PLF
- Correlation analysis of physical and mechanical properties OF RL/NA AND RL/NA/PLF
- Correlation between physical and mechanical properties of RL/NA AND RL/NA/PLF
- Table 1 : The physical and mechanical properties of RL/NA/PLF and RL/NA
- Table 2 : Calculation results of correlation coefficients of RL/NA
- Table 3 : Calculation results of correlation coefficients of RL/NA/PLF
- Table 4 : Relevance of physical and mechanical properties of RL/NA
- Table 5 : Relevance of physical and mechanical properties of RL/NA/PLF
- Table 6 : The correlation of physical and mechanical properties of RL/NA/PLF and RL/NAEn ligne : https://drive.google.com/file/d/1zRpND8vbA8gPeGt-GhMSj_cRW0O2HOXZ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41602
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 108, N° 5 (09-10/2024) . - p. 244-248[article]Exemplaires
Code-barres Cote Support Localisation Section Disponibilité aucun exemplaire