Obiettivo A trans-national collaboration has been initiated between experts in complementary activities. It has been possible to tailor a new resin which exhibits enhanced processing properties in their context of film blowing. In depth analysis performed on the rheology, molecular structure and end-use properties have allowed to identify the best combination of molecular weight, distribution and branching. Further, a blown film extrusion line has been optimised in order to achieve challenging objectives. Important parts have been reviewed and optimised. New design has been suggested for the screw, the spiral mandrel die; tooling has followed. Also, other components of the extrusion line have been improved in order to achieve the objectives: the bubble cooling system has been improved while a winder with a higher take-up speed is used. The analysis and optimisation of the flow in a complex extrusion line is a challenge in itself. Complex 3-D geometries have required the development of a new solver with improved computational performances. Calculation speed-up have been obtained, making it feasible to simulate realistic and complex industrial flow situations.Linear low density polyethylene (LLDPE) is a thermoplastic material made in low pressure, low temperature reactors using ethylene and selected amounts of one or more alkene monomers. Despite intrinsic qualities, the production of LLDPE resins is limited by processing difficulties such as higher sensitivity to surface defects, higher machine power requirement, lower bubble stability and lower melt strength.The objective of the project is threefold- develop a new LLDPE resin overcoming the above limitations - develop a new flexible blown film tailored to the new generation of LLDPE resins - develop an efficient 3D Finite Element (FEM) Simulation code to assist in the resin and blown film development.These goals will be achieved through cooperation between a resin manufacturer, a machine manufacturer, a resin transformer, a software company and two university research groups specialized in rheology and processing. Campo scientifico natural sciencescomputer and information sciencessoftwareengineering and technologymechanical engineeringthermodynamic engineeringnatural sciencesmathematicspure mathematicsgeometrynatural scienceschemical sciencesorganic chemistryaliphatic compounds Programma(i) FP3-BRITE/EURAM 2 - Specific programme (EEC) of research and technological development in the field of industrial and materials technologies, 1990-1994 Argomento(i) 1.5.1 - Packaging materials Invito a presentare proposte Data not available Meccanismo di finanziamento CSC - Cost-sharing contracts Coordinatore POLYFLOW Contributo UE Nessun dato Indirizzo Place de l'Université 16 1348 Louvain-la-Neuve Belgio Mostra sulla mappa Costo totale Nessun dato Partecipanti (4) Classifica in ordine alfabetico Classifica per Contributo UE Espandi tutto Riduci tutto ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS INDUSTRIELS Francia Contributo UE Nessun dato Indirizzo Avenue Claude Daunesse CNRS URA 1374 06565 VALBONNE Mostra sulla mappa Costo totale Nessun dato DOW BENELUX SA Paesi Bassi Contributo UE Nessun dato Indirizzo P.O BOX 48 4530 AA TERNEUZEN Mostra sulla mappa Costo totale Nessun dato HYPLAST NV Belgio Contributo UE Nessun dato Indirizzo ST.LENAARTSEWEG POSTBUS 14, 26 2320 HOOGSTATEN Mostra sulla mappa Costo totale Nessun dato REIFENHAUSER GMBH & CO KG Germania Contributo UE Nessun dato Indirizzo SPICHER STRAßE 5210 TROISDORF Mostra sulla mappa Costo totale Nessun dato
