3 days RPC/PPLAS-E
- Professionals interested in polymers production.
- To provide comprehensive information on polymers and polymerization processes used to produce polyethylenes, polypropylenes, polyvinylchloride and polystyrene.
- To grasp the principles of polymerization techniques and the main characteristics of manufactured polymers.
- To learn about the operating conditions of polymerization processes.
- To grasp the essence of plastics manufacturing and outlets.
Ways and means
- Presentation of plastics sample from plants.
- Presentation of end uses application samples.
Polymer types & nature 0.25 day
- Polymer constitution: monomers, macromolecules, building blocks.
- Various kinds of polymer: fibers, elastomers, plastics.
- Plastic types: thermoplastics and thermosets.
- Main commodity plastics: polyethylenes, polypropylenes, polystyrenes and polyvinylchloride.
- Economical aspects relating to these commodity plastics.
Polymer production - Associated properties 1 day
- Main polymerization reactions: polyaddition, polycondensation.
- Basic characteristics of polymer reactions: heat of reaction, activation mode, etc.
- Different arrangements of monomer building blocks in polyaddition: atactic, syndiotactic or isotactic polymers; random block; graft; alternate polymers.
- Relationship between end uses implementation and main polymer properties. Impact on properties.
- Main tests used to get polymer characterization: melt index, viscosity index, etc. Test signification, relationship with polymer structure.
- Consequences regarding polymer implementation techniques (extrusion, injection, etc.).
Polymerization implementation - Main commodity plastic processes 1.75 days
- Techniques implemented to produce polymers: solution, bulk emulsion, suspension, gas phase techniques.
- Advantages and drawbacks of those different techniques consequences on processes implementation.
- Examples applied to main processes used to manufacture major thermoplastics: polyethylenes (PE), polypropylenes (PP), polystyrenes (PS) and polyvinylchloride (PVC).
- Flow charts and principles of processes. Some common and average operating conditions.
- Influence of operating parameters (temperatures, pressures, monomers ratio and proportion of any chemicals involved in the reaction) regarding the quality of polymer obtained.
- Some pretreatments of polymers outside the reactor before the transformation step.