Step / Activity / Participants
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| Step I: Studies and analysis for the identification of the main principles of developing biodegradable coatings, using as raw materials PET wastes
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| Activity I.1: Synthetic routes estimate for achieving biodegradable coating materials from water dispersible co-polyesters by chemical recycling of PET wastes |
Partner P1: Technical and scientific estimates regarding:
- synthesis routes for yielding biodegradable water dispersible co-polyesters from PET wastes;
- utilization of these co-polyesters as coating materials for fertilizers. |
| Partner P2: Takes part at technical and scientific evaluations regarding synthesis routes for and characterization of biodegradable water dispersible co-polyesters from PET wastes. |
| Partner P4: Technical and scientific evaluations regarding preparation of co-polyester aqueous dispersions. |
| Partner P5: Study regarding microorganisms involved in polyesters biodegradation. |
| Activity I.2: Designing laboratory scale models |
Partner P1: Designing laboratory scale experimental models regarding:
- synthesis routes for biodegradable water dispersible co-polyesters yielded from PET wastes;
- utilization of these co-polyesters as coating materials for fertilizers. |
| Partner P4: Designing the experimental model for preparing some coating biodegradable materials from aqueous dispersions. |
Partner P5: Establishing the connections between autotrofic microorganisms (bacteria and fungi) and the polyesters from soil;
Designing the experimental model for testing the nitrogen release kinetics in greenhouse from coated granulated fertilizers.
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| Step II: Developing and experimenting the laboratory scale technology for yielding coating biodegradable materials, generated from aqueous co-polyesters dispersions, starting from PET wastes
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| Activity II.1: Developing the experimental model for preparing aqueous biodegradable polyesters dispersions, starting from PET wastes |
Partner P1: Synthesis of biodegradable co-polyesters, water-dispersible:
- chemical structure selection in order to gain biodegradability and water affinity;
- establishing the properly reaction conditions.
Aqueous copolyester dispersions preparation. |
| Partner P4: Takes part to aqueous copolyester dispersions preparation. |
| Activity II.2: Experimenting the laboratory scale model for preparing aqueous biodegradable polyesters dispersions, starting from PET wastes |
| Partner P1: Determination of basic chemical and physical characteristics of yielded polyesters and dispersions. |
| Partner P2: Characterization of co-polyesters (IR spectroscopy, HPLC, termogravimetry). |
Partner P3: Structural characterization of co-polyesters (chromatography with mass spectroscopy, RMN);
Participation at co-polyesters biodegradability evaluation. |
| Partner P4: Rheologic characterization of aqueous co-polyester dispersions, determination of particle size distribution and stability. |
Partner P5: Laboratory scale testing of co-polyesters biodegradability;
Testing the copolyester effect upon the magnitude and structure of heterotrophic microorganisms communities in soil (toxicology).
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| Step III: Testing the laboratory scale technology for yielding biodegradable coating materials from water dispersible co-polyesters in order to yield slow release nutrients
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| Activity III.1: Preparing slow release fertilizers by coating nutrients granules with biodegradable co-polyester film |
| Partner P1: Conditioning of fertilizer granules by means of coating with biodegradable co-polyesters film generated from water dispersions in order to yield slow release nutrients.
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| Activity III.2: Improving the technology performance in order to obtain biodegradable coating materials resulted from PET wastes |
Partner P1: Synthesis of biodegradable co-polyesters, water-dispersible.
Aqueous co-polyester dispersions preparation.
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| Activity III.3: Testing the evolution of fertilizer granules coated with biodegradable co-polyesters film in soil |
| Partner P3: Evatuating co-polyester film biodegradability.
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Partner P5: Testing in greenhouse the nitrogen release kinetics from fertilizer granules coated with co-polyester film.
Selecting the involved microorganism in co-polyesters biodegradability.
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| Step IV: Results dissemination
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| Activity IV.1: Results dissemination by means of publishing scientific papers and developing scientific communications |
Partner P1: Developing scientific communications and/or scientific papers to be published.
CD-ROM editing.
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| Partner P2: Takes part to scientific communications and/or scientific papers elaboration.
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| Partner P3: Takes part to scientific communications and/or scientific papers elaboration.
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| Partner P4: Takes part to scientific communications and/or scientific papers elaboration.
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Partner P5: Developing scientific communications and/or scientific papers to be published.
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| Step V: Developing and testing the pilot scale technology for yielding coating biodegradable materials, developing the detailed handbook for technology description and patent protection
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| Activity V.1: Identification and assign of the patent rights |
| Partner P1: Coordinates the patentation activity.
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| Partner P2: Participates at the patent protection activity.
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| Partner P3: Participates at the patent protection activity.
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| Partner P5: Participates at the patent protection activity.
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| Activity V.2: Developing the pilot scale technology for yielding aqueous co-polyesters dispersions |
| Partner P1: Performance improvement of the pilot procedure for synthesis of biodegradable and water dispersible co-polyesters and for producing their corresponding water dispersions.
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| Partner P4: Takes part to aqueous co-polyester dispersions preparation.
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| Activity V.3: Experimenting the pilot scale technology for yielding aqueous co-polyesters dispersions |
| Partner P1: Determination of basic chemical and physical characteristics of the pilot yielded polyesters and dispersions.
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| Partner P2: Checking for the reproductibility of the pilot co-polyesters characteristics (IR spectroscopy, thermogravimetry).
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| Partner P3: Checking for the reproductibility of the pilot co-polyesters chemical structure (RMN, FTIR spectroscopy).
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| Partner P4: Rheologic characterization of aqueous co-polyester dispersions, determination of particle size distribution and stability.
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| Activity V.4: Testing the pilot scale technology for yielding biodegradable co-polyester coating materials in order to yield slow release nutrients |
| Partner P1: Checking for the reproductibility of the slow-release nutrients preparation.
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| Partner P3: Checking for the reproductibility of the co-polyester film biodegradation.
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| Partner P5: Checking for the reproductibility of the characteristics of biodegradability for the pilot products. |
| Activity V.5: Developing the detailed handbook for technology description |
| Partner P1: Coordinates and participates at the detailed handbook for pilot scale technology of producing biodegradable coating materials, resulted from aqueous co-polyester dispersions, starting from PET wastes.
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| Partner P2: Participates to the handbook for laboratory scale technology accomplishment.
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| Partner P3: Participates to the handbook for laboratory scale technology accomplishment.
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| Partner P5: Participates to the handbook for laboratory scale technology accomplishment.
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