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Sustainable Polymers and Composite

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Sustainable Polymers and Composite

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Academic year 2022/2023

Course ID
CHI0161
Teachers
Prof. Maria Paola Luda (Lecturer)
Dott. Fabrizio Caldera (Lecturer)
Degree course
Materials Science
Year
2nd year
Teaching period
First semester
Type
Characterizing
Credits/Recognition
8
Course disciplinary sector (SSD)
CHIM/04 - industrial chemistry
Delivery
Class Lecture + Lab Practicals
Language
English
Attendance
Obligatory
Type of examination
Oral
Prerequisites
Priciples of Organic Chemistry, Basic of macromolecular chemistry, Chemical thermodynamics: classical and statistical.
Propedeutic for
self sustaing course. Master Degree thesis of macromolecular subject
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Sommario del corso

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Course objectives

According to the Master course objectives, in this course the sustainability of polymer materials is defined. Management of polymer systems in view of a circular economy is given.

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Results of learning outcomes

Understanding the structure and the properties of sustainable polymers

Knowing the principal characterization techniques of polymer materials.

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Program

Theoretical part (6 CFU)

  • Definition of sustainable polymer, Main categories : natural polymers (proteins, polysaccharides, lipids, polyesters); synthetic biobased polymers (non biodegradable bioplastics such as bio-PE, PA-11, PTT; biodegradable natural plastics such as PLA, PHA, PBS e sStarch blends, fossil-based biodegradable plastics such as PBAT and PCL. Examples of industrial application. 3 CFU
  • Plastics durability: aging mechanisms (mechanical oxidation, thermal oxidation, photolysis and photo-oxidation) examples of degradation of some relevant plastics). Evaluation of span life (accelerated ageing, oxidation index, evaluation of induction time)
  • The Problem of plastic Pollution: End-of-life management: classification of recycling typology: primary, secondary, tertiary and quaternary recycle, feedstock recycling. Overview of national and over national policies about plastic recycling (recycling of packaging, of waste electrical and electronic equipment (WEEE) of end-of-life cars (ELV). Polymer in the circular economy. Overview of Life cycle analysis. Examples 3CFU

Lab experiences (2 CFU)

  • Synthesis of polymers through different reaction mechanisms with a specific focus on sustainable, eco-friendly polymers (e.g. dextrin-based polymers)
  • Preparation of biomembranes for sustainable processes and study of their properties (permeability tests),
  • Preparation of biocomposites, by addition of natural fibers to a polymer matrix
  • Determination of the molecular weight of polymers by viscosimetry
  • Infrared and thermal characterization of polymer materials by means of FTIR, TGA and DSC analyses.
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Course delivery

Classes: 48 h; Laboratory: 32h

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Learning assessment methods

Exam is an oral interview during 30-45 min

The evaluation of the laboratory notebook will contribute to the definition of the final grade

Suggested readings and bibliography

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