Conventions de qualification et technologies de l'information : une analyse appliquée à la relation prestataires logistiques – clients.

L’évolution des Technologies de l’Information et des Communications (TIC) et leur intégration dans les services rendus par les prestataires de services logistiques (PSL) ont entraîné une réduction des coûts, et encouragé une meilleure communication entre les PSL et leurs clients au sein d’une Supply Chain. Ces TIC ont eu aussi des implications importantes au niveau de la qualité de service attendue et fournie sur le marché. C’est ce que nous montrons ici en mobilisant le concept de convention de qualification, tel qu’il a été défini par Gomez (1994). Nous soutenons dans cet article la thèse selon laquelle cette convention de qualification se voit profondément transformée par le recours croissant aux TIC dans la relation PSL / client, ce qui a des effets sur le degré de complexité et de cohérence de cette convention. Ces effets sont en fait révélateurs de l’existence d’un paradoxe dans la gestion de cette relation, qui est marquée d’un côté par le besoin du recours à des mécanismes formels relativement rigides qui vont encadrer la relation, et d’un autre côté par une impérieuse nécessité de souplesse, de flexibilité pour assurer la meilleure adéquation possible entre l’offre du prestataire et les besoins du client.The evolution of information and communications technologies (ICT) and their integration within logistical provider services have brought costs cuts and led to a better communication between these providers and theirs customers within a supply chain. ICTs have also had great consequences on the level of quality both offered and expected on a market. We show that using the qualification convention concept (Gomez, 1994). This convention, we argue, has been profoundly changed since ICTs are more and more used in a logistical service provider / customer relationship. Both complexity and consistency of this convention have evolved, revealing the following paradox in this relationship: on the one hand, relatively formal and rigid coordination mechanisms (such as a contract) are needed to control the relationship, but on the other hand, it needs to be flexible so that supply qualitatively matches demand.TIC; Supply Chain; coordination inter organisationnelle; Convention de qualification; Technologies de l’information et des communications.;

Le Co-alignement des Technologies et Systèmes Inter-firmes : étude empirique dans le secteur des services logistiques en France

This research enters upon the question of the evaluation of Inter-firms Technologies and Systems (ITS) between partners with an approach based upon the concept of "co-alignment". This concept is considered as an internal coherence or consistence of multiple interfirms contingencies: technological, structural (formal) and socio-political (informal) contingencies that affect ITS performance (Drazin and Van de Ven, 1985). The model has been applied into a specific framework of ITS suitable with a rich informational context of the relation between Service Logistic Providers (SLP) and their principles customers (Industrials or distributors). This application required combination of two methodological approaches: a quantitative approach through a questionnaire administrated to 123 SLP operating in France and a qualitative approach collecting the perceptions of 25 actors. The result suggest that a good co-alignment between technological dimensions of ITS and formal and informal characteristics of their inter-firms context produce better perceived performance of ITS.Cette recherche aborde la problématique de l'évaluation des Technologies et Systèmes Inter-firmes (TSI) entre les partenaires par une approche basée sur le concept du " co-alignement". Ce concept est considéré en tant que cohérence ou consistance interne entre des contingences inter-firmes multiples : technologiques, structurelles (formelles) et socio-politiques (informelles), qui affecte la performance des TSI (Drazin et Van De Ven, 1985). Le modèle est mis en application dans le cadre de TSI adaptés au contexte informationnel intense de la relation entre les Prestataires de Services Logistiques (PSL) et leurs principaux clients (Industriels ou Distributeurs). Cette approche a requis la combinaison de deux démarches méthodologiques : une enquête quantitative auprès de 123 PSL, et une approche qualitative recueillant les perceptions de 25 acteurs. Les résultats obtenus démontrent qu'un co-alignement entre les dimensions technologiques des TSI et les caractéristiques formelles et informelles de leur contexte inter-firmes produit une meilleure performance perçue de ces TSI

Le Co-alignement des Technologies et Systèmes Inter-firmes : étude empirique dans le secteur des services logistiques en France

This research enters upon the question of the evaluation of Inter-firms Technologies and Systems (ITS) between partners with an approach based upon the concept of co-alignment . This concept is considered as an internal coherence or consistence of multiple interfirms contingencies: technological, structural (formal) and socio-political (informal) contingencies that affect ITS performance (Drazin and Van de Ven, 1985). The model has been applied into a specific framework of ITS suitable with a rich informational context of the relation between Service Logistic Providers (SLP) and their principles customers (Industrials or distributors). This application required combination of two methodological approaches: a quantitative approach through a questionnaire administrated to 123 SLP operating in France and a qualitative approach collecting the perceptions of 25 actors. The result suggest that a good co-alignment between technological dimensions of ITS and formal and informal characteristics of their inter-firms context produce better perceived performance of ITS

Rheological, Morphological and Mechanical Studies of Sustainably Sourced Polymer Blends Based on Poly(Lactic Acid) and Polyamide 11

The objective of this study was to gain a deep understanding of composition and compatibilization effects on the properties of entirely sustainably sourced polymer blends based on polylactide (PLA) and polyamide 11 (PA11). Generally, PLA cannot challenge regular commodity polymers due to its weak thermo-mechanical properties and its poor elongation properties. With this work, however, we present a promising route to overcome these drawbacks in order to enhance the processability of PLA: blending the polymer with various compositions of other ductile biopolymers such as PA11, as well as mixing PLA/PA11 blends with various amounts of a chain extender, Joncryl ADR®-4368, containing reactive epoxy functions, in a laboratory-scale twin-screw extruder. The effects on the rheological, morphological and mechanical properties were investigated. Results showed that a “self compatibilization” between PLA and PA11 chains can occur but it was found to be insufficient, contrary to recent work reported in the literature. The role of Joncryl as a compatibilizer for the PLA/PA11 system has been demonstrated by the significant decrease of particle size and interfacial tension as well as the improvement of ductile properties. Moreover, a new relaxation peak appeared in the relaxation spectrum, indicating the generation of a copolymer at the polymer-polymer interface

Morphological, Rheological and Mechanical studies of Bio-Sourced polymer blends based on Plylactide-Acid and Polyamide 11

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Toughening Modification of poly(lactic acid)/polyamide11 blends via In Situ Reactive Compatibilization

International audienc

Rheological, Morphological and Mechanical Studies of Sustainably Sourced Polymer Blends Based on Poly(Lactic Acid) and Polyamide 11

International audienceThe objective of this study was to gain a deep understanding of composition and compatibilization effects on the properties of entirely sustainably sourced polymer blends based on polylactide (PLA) and polyamide 11 (PA11). Generally, PLA cannot challenge regular commodity polymers due to its weak thermo-mechanical properties and its poor elongation properties. With this work, however, we present a promising route to overcome these drawbacks in order to enhance the processability of PLA: blending the polymer with various compositions of other ductile biopolymers such as PA11, as well as mixing PLA/PA11 blends with various amounts of a chain extender, Joncryl ADR((R))-4368, containing reactive epoxy functions, in a laboratory-scale twin-screw extruder. The effects on the rheological, morphological and mechanical properties were investigated. Results showed that a "self compatibilization" between PLA and PA11 chains can occur but it was found to be insufficient, contrary to recent work reported in the literature. The role of Joncryl as a compatibilizer for the PLA/PA11 system has been demonstrated by the significant decrease of particle size and interfacial tension as well as the improvement of ductile properties. Moreover, a new relaxation peak appeared in the relaxation spectrum, indicating the generation of a copolymer at the polymer-polymer interface

Reactive extrusion of PLA, PA11 with a multifunctional epoxide: Rheological, Morphological and Interfacial properties

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Characterization and quality assessment of recycled post-consumption poly(ethylene terephthalate) (PET)

International audienc

Characterization and quality assessment of recycled post-consumption poly(ethylene terephthalate) (PET)

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