A greener, more sustainable source of ingredients for widely used plastics
- Date:
- August 7, 2013
- Source:
- American Chemical Society
- Summary:
- A new process can convert a wide variety of vegetable and animal fats and oils -- ranging from lard to waste cooking oil -- into a key ingredient for making plastics that currently comes from petroleum, scientists say.
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A new process can convert a wide variety of vegetable and animal fats and oils -- ranging from lard to waste cooking oil -- into a key ingredient for making plastics that currently comes from petroleum, scientists say. Their report on the first-of-its-kind process appears in the journal ACS Sustainable Chemistry & Engineering.
Douglas Neckers and Maria Muro-Small explain that many of the plastics found in hundreds of everyday products begin with a group of chemical raw materials termed olefins that come from petroleum. They include ethylene, propylene and butadiene, which are building blocks for familiar plastics like polyethylene, polyester, polyvinyl chloride and polystyrene. The scientists sought a more sustainable alternative source of olefins.
Their report describes use of "UV-C" light -- used in sanitizing wands to kill bacteria and viruses around the house -- to change lard, tallow, olive oil, canola oil and waste canola cooking oil into olefins. Neckers and Muro-Small say that this is the first report on use of this photochemical process to make olefins.
Story Source:
Materials provided by American Chemical Society. Note: Content may be edited for style and length.
Journal Reference:
- Maria L. Muro-Small, Douglas C. Neckers. A Green Route to Petroleum Feedstocks: Photochemistry of Fats and Oils. ACS Sustainable Chemistry & Engineering, 2013; 130719152823005 DOI: 10.1021/sc400135y
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