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Revision as of 09:36, 26 July 2018
CCU Taiwan Team
Project Description
We are aiming to create eco-friendly ligneous cups. We hope that the cups we make are waterproof and heat-resistant; furthermore, they can be naturally decomposed. You might think why we waste our whole summer vacation on this little cup which would be thrown soon that people make the drink inside be empty? We will tell you the reason soon.
The most common stores in Taiwan are handmade drink stores. For us, these handmade drinks are part of our lives. These drinks are often packed in disposable paper cups that are coated with petrochemical, such as PP and PE, to make them waterproof. Nonetheless, these substances produce a large amount of paper that is difficult to be recycled, which causes serious pollution to our environment. Thus, we decide to create a cup coated with substitute which can be naturally decomposed in order to solve the problems.
Lignin, which can be found in most of the plants, is a polymer mainly composed of three kinds of monolignol: p-coumaryl alcohol (H), coniferyl alcohol (G), and sinapyl alcohol (S). The ratio of the three monolignols vary from species to species. These three monolignols can go through polymerization by adding two enzymes—peroxidase and laccase. Therefore, we aim to modify the yeast to produce these two enzymes. We use the enzyme to catalyze three monolignol and form high-purity lignin. We will make the most use of its waterproof characteristic to coat on the cups.
The highlights of our project are innovative as well as eco- friendly. We hope we can make the most use of lignin and do our best to protect the environment. With our lignin cups, everyone will be able to enjoy the convenience without polluting the Mother Earth.