The same chemistry that makes plastic tough, light and flexible also makes it nearly impossible to get rid of, because it’s hard to break those resilient chemical bonds.

Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/

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To learn more, start your googling with these keywords:
Polymer: A substance whose molecular structure consists of large numbers of similar units covalently bonded together
Covalent bond: A strong type of bond in which adjacent atoms share electrons.
Backbone chain: A long series of covalently bonded atoms that create the continuous chain of the molecule.
Bioplastic: A type of plastic, usually biodegradable, made from biological substances.
Scission: The breakage of a backbone chain at the bond level.
Microbial biodegradation: The use of microbes to break molecules into smaller and less harmful forms.

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Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Kate Yoshida (@KateYoshida)
Video Illustrator: Arcadi Garcia
Video Director: Emily Elert (@eelert)
Video Narrator: Emily Elert (@eelert)
With Contributions From: Henry Reich, Alex Reich, Ever Salazar, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder


Image Credits:

Disposable plastic cup - Wikimedia user Lionel Allorge

Sandbox and Beach Toys - The Children's Museum of Indianapolis

PET plastic - Montgomery County Division of Solid Waste Services

LEGO Tank - Flickr user MaxFragg

PVC Pipe - Pam Broviak

IKEA Watering cans - Sonny Abesamis

LEGO Figure - Marco Verch

Wetsuit - Clemens Pfeiffer

White PVC Pipes - Teresa Trimm

STS-120 Shuttle Mission Imagery - NASA

Providing clean water - UK Department for International Development



Albertsson, A. and Hakkarainen, M. (2017). Designed To Degrade. Science. 358 (6365). 872-873. Retrieved from: http://science.sciencemag.org/content...

De Hoe, G., Zumstein, M., Tiegs, B., Brutman, J., McNeill, K., Sander, M., Coates, G., and Hillmyer, M. (2018). Sustainable Polyester Elastomers from Lactones: Synthesis,Properties, and Enzymatic Hydrolyzability. Journal of the American Chemical Society. 140: 963-973. Retrieved from: https://pubs.acs.org/doi/10.1021/jacs...

Tokiwa, Y., Calabia, B., Ugwu, C., and Aiba, S. (2009). Biodegradability of Plastics. International Journal of Molecular Sciences. 10: 3722-3742. Retrieved from: http://www.mdpi.com/1422-0067/10/9/3722

Rydz, J., ,Sikorska, W., Kyulavska, M., and Christova, D. (2015). International Journal of Molecular Sciences. 16: 564-596. Retrieved from: http://www.mdpi.com/1422-0067/16/1/564

Hillmyer, M. (2017). The Promise of Plastics from Plants. Science. 358 (6365). 868-870. Retrieved from: http://science.sciencemag.org/content...

Hillmyer, M. (2017). Department of Chemistry, University of Minnesota. Personal Communication.

Direct download: ME_148_compressed_by_VLC_for_iTunes.m4v
Category:general -- posted at: 3:16pm EDT