| title: | PROPERTIES AND DEVELOPMENT OF SYNTHETIC AND NATURAL POLYMERIC MATERIALS |
|---|---|
| reg no: | SF0142687s05 |
| project type: | targeted financing |
| subject: |
1.7. Organic Chemistry and Biochemistry 2.2. Materials Science |
| status: | accepted |
| institution: | Tallinn Technical University |
| head of project: | Anti Viikna |
| duration: | 01.01.2005 - 31.12.2010 |
| description: | The main keywords characterizing the research are polymeric composite materials and adhesion processes. The subject is the fundamental/applied research work mostly directed to material science. The research work occurs in two main directions whereas the problems connected with poly¬olefines are of increasing importance. Effect of molar mass distribution, comonomer content, polydispersity and very high molar mass fractions of multimodal polyolefins produced by modern technologies of polymerisation on crystallisation kinetics and morphology of these materials will be investigated. Relations between crystallisation behaviour and physico-mechanical properties of the studied materials will be searched. Objective of the research is creation of models, which will allow to understand crystallisation behaviour of the multimodal materials and to drive their mechanical properties to desired direction using influence of molar mass distribution, branching and crystallisation conditions. Moreover, analytical methods and equipment, which will allow to analyse crystallisation kinetics of polyethylene under processing conditions, will be developed. The mechanism of adhesion processes between polyolefins of different properties and natural flax fiber will be cleared up. The purpose is to obtain the composite films with improved properties. In the field of polycondensation resins the new scientific results will be obtained in the following problems: the mechanism of hydroxymethylation/polycondensation reactions; the connections between the synthesis conditions and structure of polycondensates; the rheokinetics of curing and aging reactions and thermal behaviour of resins; adhesion properties of resins in wood/polymer composite materials and their dependence on changes in micro/macrostructure of wood. |
| project group | ||||
|---|---|---|---|---|
| no | name | institution | position | |
| 1. | Peep Christjanson | Tallinn University of Technology, Faculty of Chemical and Materials Technology | Professor of polymer technology, Head of Chair | |
| 2. | Tiit Kaps | Tallinn University of Technology, Faculty of Chemical and Materials Technology | Head of Chair of Woodworking Extraordinary Professor | |
| 3. | Andres Krumme | Tallinn University of Technology, Faculty of Chemical and Materials Technology | Senior research associate | |
| 4. | Kadri Siimer | Tallinn University of Technology, Faculty of Chemical and Materials Technology | senior research scientist | |
| 5. | Anti Viikna | Tallinn University of Technology, Faculty of Chemical and Materials Technology | Professor, head of the chair of textile technology, director of department of polymer materials | |