Objective
The general objective of this project deals with the study of the Glass Transition in polymers and its influence on their physical properties. The Glass Transition is directly related to the complex dynamical behaviour of glass forming systems. Therefore, the main task of this project is the investigation of the dynamics around the Glass Transition of polymers as well as the microscopic identification of the different relaxation mechanisms. In order to study the different motions involved, a large variety of methods (relaxation and scattering techniques) is necessary demanding a collaboration of different laboratories To deal with simple polymers, the project aims to study the elastomers polybutadiene and polyisoprene with different microstructures as well as polycarbonate, technically a very important thermoplastic material, which exhibits a highly pronounced secondary relaxation process. Supercooled low molecular-weight liquids are also considered as model compounds.
The dynamics around the glass transition of polymers have been investigated as well as the microscopic identification of the different relaxation mechanisms. In order to study the different motions involved, a large variety of methods (relaxation and scattering techniques) is necessary. Study materials included the elastomers polybutadiene and polyisoprene, with different microstructures, as well as polycarbonate, technically a very important thermoplastic material, which exhibits a highly pronounced secondary relaxation process. Supercooled low molecular weight liquids were also considered as model compounds.
By means of different experimental techniques, polybutadiene (PB) samples with different microstructures ranging from 1,2 PB to 1,4 PB have been studied. The results obtained give an insight into how the microstructure affects the main alpha relaxation and the secondary beta relaxation. In addition, new results about the fast dynamics (10E-12s range) have been obtained by neutron and light scattering techniques. Different alternative models have been developed.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences polymer sciences
- engineering and technology materials engineering amorphous solids
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
20009 SAN SEBASTIAN
Spain
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.