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Risorse bibliografiche
Risorsa bibliografica obbligatoria
Risorsa bibliografica facoltativa
Scheda Riassuntiva
Anno Accademico 2017/2018
Scuola Scuola di Ingegneria Industriale e dell'Informazione
Insegnamento 096243 - ADVANCED CHEMISTRY FOR MATERIALS ENGINEERING
  • 096241 - PRINCIPLES OF POLYMER CHEMISTRY
Docente Turri Stefano Ettore Romano
Cfu 5.00 Tipo insegnamento Modulo Di Corso Strutturato

Corso di Studi Codice Piano di Studio preventivamente approvato Da (compreso) A (escluso) Insegnamento
Ing Ind - Inf (1 liv.)(ord. 270) - MI (347) INGEGNERIA CHIMICA*AZZZZ089619 - PRINCIPLES OF POLYMER CHEMISTRY
Ing Ind - Inf (Mag.)(ord. 270) - MI (471) BIOMEDICAL ENGINEERING - INGEGNERIA BIOMEDICA*AZZZZ089619 - PRINCIPLES OF POLYMER CHEMISTRY
Ing Ind - Inf (Mag.)(ord. 270) - MI (472) CHEMICAL ENGINEERING - INGEGNERIA CHIMICA*AZZZZ089619 - PRINCIPLES OF POLYMER CHEMISTRY
Ing Ind - Inf (Mag.)(ord. 270) - MI (491) MATERIALS ENGINEERING AND NANOTECHNOLOGY - INGEGNERIA DEI MATERIALI E DELLE NANOTECNOLOGIE*AZZZZ096243 - ADVANCED CHEMISTRY FOR MATERIALS ENGINEERING

Programma dettagliato e risultati di apprendimento attesi

 

Part 1: Polymerization

Classification of monomers and polyreactions, correlation with polymer microstructure.

Step polyreactions, kinetic and thermodynamic aspects of polycondensations, most probable distribution of molecular weights, control of polymerization.

Chain polyreactions, phases of free-radical poyadditions, kinetic and thermodynamic aspects of free radical polyadditions, distribution of molecular weights, chain transfer and control of molecular weight, effect of temperature.

Chain polyreactions, ionic processes, phases of cationic and anionic polymerizations, living anionic polymerizations and block copolymers. Ziegler-Natta catalysis and stereospecific polymerization. Control of the polymer microstructure.

Copolymerization, derivation of the kinetic model, reactivity ratios and Lewis-Mayo equation, F1-f1 diagrams, Alfrey-Price parameters, yield and control of compositional drift in copolymerization. Determination of composition in copolymers.

Crosslinking ad thermoset polymers. Carothers and Flory's statistical models for the estimation of the gel point in crosslinking processes. Experimental monitoring of the gel time.

Industrial production of polymers: batch and continuous processes, homogeneous and heterogeneous processes. Bulk polymerization, suspesnsion polymerization, emulsion polymerization. Production of PET, PA6, PVC, SBR.

 

Part 2: Rubber science and technology

Structural requirements of elastomeric materials, correlation with intra and intermolecular parameters. Definition of entropic elasticity.

Classical thermodynamics of rubber elasticity, derivation of the equation of state of elasticity at constant pressure and constant volume; thermoelastic inversion.

Molecular (statistical) theory of rubber elasticity; gaussian chain and elastic retraction force, Kuhn model and ideal rubber, affine deformation and derivation of the constitutive law for ideal rubber.

Behavior of real elastomers; hysteresis and dissipation, strain-induced crystallization of stereoregular rubbers, Mooney-Rivlin plot.

Vulcanization of rubbers; sulfur, peroxy and ionic vulcanization processes. Process monitoring by rheological and thermal methods. Isothermal kinetic modelling of rubber vulcanization.

Mechanical reinforcement of real elastomers; reinforcing fillers, small deformation behavior and Payne effect; large deformation behavior.

 

Expected final competencies

Good knowledge of the main industrial polymerization processes including: step polycondensation, chain polyaddition (free-radical and ionic), copolymerization.

Good knowledge of the theoretical and practical process control methods including control of molecular weight and molecular weight distribution, conversion, polymer microstucture, composition.

Good knowledge of polymer crosslinking methods, including designing of formulations and process monitoring.

Good knowledge of entropic-elastic mechanical behavior, and correlation with polymer microstructure.

Good knowledge of rubber vulcanization chemistry and process control.

 

 

 


Note Sulla Modalità di valutazione

Final written exam with open theoretical questions, graphical interpretation of results, and numerical exercises


Bibliografia
Risorsa bibliografica obbligatoriaS. Turri, Principles of Polymer Chemistry - lecture's notes
Risorsa bibliografica facoltativaG. Odian, Principles of Polymerization, Editore: Wiley, Anno edizione: 2004
Risorsa bibliografica facoltativaJ.E. Mark, Rubber Science and Technology, Editore: Elsevier, Anno edizione: 2013

Mix Forme Didattiche
Tipo Forma Didattica Ore didattiche
lezione
32.0
esercitazione
16.0
laboratorio informatico
0.0
laboratorio sperimentale
0.0
progetto
0.0
laboratorio di progetto
0.0

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Disponibilità di materiale didattico/slides in lingua inglese
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schedaincarico v. 1.6.5 / 1.6.5
Area Servizi ICT
19/01/2021