 |  |  |  |  |
| | |
|||||||
| CHIM0051-1 | Applied Chemistry (Polymers) | ||||||||
| |||||||||
| Duration : | 15h Th, 15h Pr | ||||||||
| |||||||||
| Credits/ECTS : |
| ||||||||
| |||||||||
| Holder(s) : | Jean‑Marie Liégeois | ||||||||
| |||||||||
| |||||||||
| Course contents : | Description of the actual processes for obtaining the main commercial plastics, synthetic fibres, and synthetic rubbers. Effect of reaction conditions and process variables on conversion, polymer or copolymer structure and molecular weight, and on ready to go materials morphology and physical form. Description of some chemistry related aspects of plastics processing, polymer stabilization against ageing, and post moulding surface or bulk treatments. The course reviews in sequence the manufacturing processes for polyolefins, the fabrication and transformation of PVC, styrenics, Nylons, and polyesters. Synthetic rubbers are jointly studied and compared for strength, and sensitivity towards ozone and oily compounds. Description of elastomer formulation and vulcanization into technical products. The reason for thermoplastic elastomers. Polymer alloys, e.g. by compatibilization or reactive extrusion complete the list. Information on thermosets and other engineering plastics is provided although not taught orally. Emphasis is put on required monomer purity, unconverted monomer concerns, the choice of reactor design, size, and set up, some unconventional ancillary needed equipment, and the management of safety during operations. The mechanisms for fire resistance improvement are presented as well as an introduction to end of life subjects. | ||||||||
| |||||||||
| Course objective : | The course illustrates the application of several acquired principles to the consistent production of commercial polymer products, under safe operation conditions, and more so to minimize any possible detrimental impact on the environment : before, during, and after the life of the goods. | ||||||||
| |||||||||
| Prerequisites : | CHIM0073-1 Macromolecular Chemistry Processes, CHIM0023-1 Chemical Engineering (Reactors), and notions of Unit Operations. | ||||||||
| |||||||||
| Workshops : | Polymer laboratory sessions :1. solution batch copolymerization and derivation of reactivity ratios using GC, measure MW by GPC and discuss dry polymer NMR spectrum (retain polymer solution for practice in CHIM0064); 2. emulsion core-shell polymerization as to prepare a powder impact modifier; 3. dry blend preparation and two-roll mill processing of rigid suspension PVC with said additive and store the moulded plaque for practice in CHIM0038; 4. formulate and cast urethane rubber and plastics, relate Shore A resp Shore D hardness to composition, label the samples for Tg measurements and ultimate properties in CHIM0038. | ||||||||
| |||||||||
| Organization : | Lectures 2hr per week during Fall term | ||||||||
| |||||||||
| Written notes : | Course text-notes are partially available. All figures, graphs, and tables are available. Lab text-notes are available. | ||||||||
| |||||||||
| Assessment : | Oral examination following a written preparation of 2 questions at random. | ||||||||
| |||||||||
| Contacts : | jean-marie.liegeois@ulg.ac.be | ||||||||
| |||||||||
ULg : Students and Studies Administration - Academic Affairs
Contact : Monique Marcourt, direction A.E.E.
Date of data : 8/04/2005
Developed by SEGI