Difference between revisions of "Team:CCU Taiwan/Model"
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Revision as of 21:09, 14 October 2018
Modeling Overview
In the future, there will be fewer and fewer petrochemical resources on the planet, and plastic waste will accumulate. When things change, what should we do? To solve the problem, we use Liggreen. We hope to establish a new production line for laminating paper products using biological materials. First, we use natural enzymes to synthesize the material. Through the synthetic reaction of enzymes and monolignols, we ensure our Liggreen structure is similar to natural compounds. This allows us to create a biological laminate which will not require petrochemicals and high energy consumption. Our modeling is mainly divided into two parts to prove the feasibility of our project: binding model and polymer model.
Binding model:
In our experiment, coniferyl alcohol would become resonance structure after create a free radical, and two specific resonance structures would form a dimer (β-5, β-O-4, β-β). It is changed into a dimer by the action of the enzyme and the addition of water.
Modeling: we decided to confirm the feasibility of the reaction through Gibbs free energy calculation. (Calculation method using Spartan 16, DFT B3LYP-D3/def2-SVP at 25 ° C)
Polymer model:
We produce three enzymes,Px16,Px18 and Lac1 .Then, Liggreen will be produced by coniferyl alcohol and enzymes. Polymer model wants to estimate the polymerization between coniferyl alcohol and enzymes.
Modeling: We use Flory-Stockmayer theory to estimate the polymerization. Through the theory, we can control some conditions to do the oligomerization and let Liggreen be more biodegradation and chain-like.