Heterogeneous interaction between sulpho-syntans and collagen, part 6 / Z. Korenek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 76, N° 3 (05-06/1992)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 76, N° 3 (05-06/1992) . - p. 75-82 Titre : Heterogeneous interaction between sulpho-syntans and collagen, part 6 : Influence of reaction conditions and sulpho-syntan oligoelectrolyte molecular parameters Type de document : texte imprimé Auteurs : Z. Korenek, Auteur ; M. Vondruska, Auteur ; J. Mikulik, Auteur ; Z. Vinklàrek, Auteur Année de publication : 1992 Article en page(s) : p. 75-82 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Recently described PELC stoichiometry has been verified for the reaction between collagen fibres (BAT) and oligoelectrolytes (OEL) and its dependence on reaction conditions, structural and molecular parameters of OEL. It has been found that within a certain region of reaction conditions there occurs a stabilization of the chemical composition of the resultant compound for each of the OEL studied which correspond to stoichiometric polyelectrolyte complex of the pendent-pendent type. As has been shown by measuring the shrinkage temperature of tanned BAT samples their hydrothermal stability rises with the increasing level of irreversibly bound OEL up to the point of formation of a stoichiometric PELC ; hydrothermal stability does not change further with increases in bound OEL above this point (stoichiometry). Further, it has been found that, unlike stoichiometry, hydrothermal stability is significantly dependent on the structural and molecular parameters of the OEL. En ligne : https://drive.google.com/file/d/1jfYGfGk3FUNQ-qTmjjnrrrbLaLk0cPCh/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8609 [article]

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Heterogeneous interaction between sulpho-syntans and collagen, part 7 / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 76, N° 5 (09-10/1992)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 76, N° 5 (09-10/1992) . - p. 162-168 Titre : Heterogeneous interaction between sulpho-syntans and collagen, part 7 : Polyionic network hypothesis Type de document : texte imprimé Auteurs : Z. Vinklàrek, Auteur ; Z. Korenek, Auteur ; J. Vaculik ; M. Vondruska Année de publication : 1992 Article en page(s) : p. 162-168 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : During the reaction between oligoelectrolyte and collagen, a polyelectrolyte complex of the pendent-pendent type is formed. This kind of intermolecular complex has the structure of a three dimensional polyionic network, which is only intrafibrilliary polyionic network has been discussed theoretically. The structure of collagen compounds with oligoelectrolyte on the basis of naphthalene-2-sulphonic acid condensed with formaldehyde (syntanin) has then been followed up experimentally by scanning electron microscopy (SEM) and its correspondence to theroretical assumptions has been discussed. En ligne : https://drive.google.com/file/d/11vNW7j0gitPbjrCzqBRA317n0_AL5nVx/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8575 [article]

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Heterogeneous interaction between sulpho-syntans and collagen. Part I : qualitative approach / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 72 (Année 1988)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 72 (Année 1988) . - p. 177-182 Titre : Heterogeneous interaction between sulpho-syntans and collagen. Part I : qualitative approach Type de document : texte imprimé Auteurs : Z. Vinklàrek, Auteur ; M. Vondruska, Auteur ; J. Kupec, Auteur Année de publication : 1988 Article en page(s) : p. 177-182 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Interaction between sulpho-syntans and collagen represents a specific case of interation between two oppositely charged polyelectrolytes (PEL) resulting in polyelectrolyte complex formation. The specificity of this interaction relates to the fact that collagen (a polyampholyte having a spatially arranged structure of its own) must be converted into a polycation by means of protonisation and also that the whole process is complicated by heterogeneous conditions. In spite of this specificity, the interaction must conform to the general rules of formation of polyelectrolyte complexes for which electrostatic Coulomb's forces control combination in the initial phase. En ligne : https://drive.google.com/file/d/1CswgNLB1S3ewV4A1q6W174X1MoIxkt_4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9110 [article]

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Sulpho-syntan tannage technology on line : basic liquor-acid liquor / M. Vondruska in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 78, N° 1 (01-02/1994)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 78, N° 1 (01-02/1994) . - p. 12-15 Titre : Sulpho-syntan tannage technology on line : basic liquor-acid liquor Type de document : texte imprimé Auteurs : M. Vondruska, Auteur ; J. Mikulik, Auteur ; Z. Vinklàrek, Auteur Année de publication : 1994 Article en page(s) : p. 12-15 Note générale : Bibiogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this study the new technology of an ultra-rapid sulpho-syntan tannage consisting of the successive action of a basic and then an acid liquor without pre-tanning, has been experimentally investigated. Results obtained on laboratory models have shown that this technology leads to a significant reduction in the total tanning time needed for properly tanned leathers having a satisfactory hydrothermal stability and a smooth grain. The tanning liquors (both basic and acid) are recycled after simple adjustment of parameters, this is taker as being necessary because of ecological pressures. En ligne : https://drive.google.com/file/d/19nu23bb6JLm3AcaoD8S514MqKbREIZsL/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8394 [article]

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The heteregeneous interaction between sulpho-syntans and collagen. Part V. polyelectrolyte complex type / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74, N° 4 (07-08/1990)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 74, N° 4 (07-08/1990) . - p. 116-121 Titre : The heteregeneous interaction between sulpho-syntans and collagen. Part V. polyelectrolyte complex type Type de document : texte imprimé Auteurs : Z. Vinklàrek, Auteur ; M. Vondruska, Auteur ; J. Kupec, Auteur Année de publication : 1990 Article en page(s) : p. 116-121 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The stoichiometry of the above reaction has been studied with regard to its dependence on reaction conditions. An effective equivalent weight for collagen has been determined based on this study. BY comparison of the determined effective equivalent weight with the calculated value the type of local Coulomb's interactions and also the type of the polyelectrolyte complex formed have been predicted. The results support the fact that the polyelectrolyte complex formation of the pendent-pendent type occurs. This has been substantially confirmed by elemental analysis. En ligne : https://drive.google.com/file/d/1Er_2yoSTLL8ejHgS_E_toc_16hUxvyOA/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8666 [article]

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The heterogeneous interaction between sulpho-syntans and collagen. Part II : the parameter of sulpho-group binding / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 72 (Année 1988)  

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The heterogeneous interaction between sulpho-syntans and collagen, part III / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 73 (Année 1989)  

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The heterogeneous interaction between sulpho-syntans and collagen. Part V. Polyelectrolyte complex type / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)  

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The heterogenous interaction betwen sulpho-syntans and collagen, part IV : Experimental verification of polyelectrolyte complex formation / Z. Vinklàrek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)  

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