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| Author(s): |
Raphael Palucci Rosa
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Campinas, SP. |
| Institution: | Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Química |
| Defense date: | 2019-03-08 |
| Examining board members: |
Liliane Maria Ferrareso Lona;
Reginaldo Guirardello;
Ivanei Ferreira Pinheiro
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| Advisor: | Liliane Maria Ferrareso Lona |
| Abstract | |
Biodegradable polymers have attracted great interest because of their biocompatible properties and low environmental impact. Incoming polymers, such as PLA and PCL can be distinguished as two polymers with great industrial interest. There are different methods to produce PLA and PCL, but in this project it was investigated the ring opening polymerization of their respective monomers. The polymerization kinects have been investigated by many researchers at the experimental level, but there are few researches in the literature that focus on a mathematical modeling of such systems. Therefore, the objective of this work is the development of a mathematical model and a computational program for the opening polymerization of L,L-lactide and 'épsilon'-caprolactone, using tin octanoate (Sn(Oct)2) as a catalyst and 1-dodecanol and nanocellulose as hydroxyl sources. The method of moments was used to solve the polimerization kinects equations and the mass balance. A code in Matlab was developted to solve the equations and all parameters were confirmed using the literature. The impact of each reagent in the polimerization were evaluated as well as how the moisture affects the system. After validate the simulation, nanocellulose was used as the initiator. Nanocellulose had a similar conversion when compared with 1-dodecanol. Also, the molecular weight was very close to the simulation (AU) | |
| FAPESP's process: | 16/19847-1 - Modeling and simulation of poly(L-lactide) polymerization by ring opening process |
| Grantee: | Raphael Palucci Rosa |
| Support Opportunities: | Scholarships in Brazil - Master |