preview

Advantages And Disadvantages Of Starch Based Bioplastic Vs Petroleum-Based Plastic

Decent Essays

Tensile Strength of Starch-Based Bioplastic vs. Petroleum-Based Plastic
Beatriz Chen Deeke Sasse
Science Department - Escola Americana de Campinas
Campinas – SP, Brazil

Introduction Plastics are, by definition, “a class of material that has one or more polymers as its primary ingredient, that is shaped by flow when it is processed (usually using heat), and that is solid in its final form.” They’re usually composed of a combination of polymers, plasticizers, and one or more additives, according to GreenPlastics.com. By changing ingredients or quantities of each s[1] Plastics are used everywhere in modern-day society, from food and commercial goods’ packaging and containers, to toys and furnishings, decorations and trash bags, among …show more content…

To a 150 mL beaker, add:
a. 26 mL distilled water
b. 2.50 g corn starch
c. 1 mL glycero;
d. 4 mL 0.1 M HCl
2. Slowly heat for 5-10 minutes to a gentle boil using a Bunsen burner, stirring occasionally.
3. Add 2 mL 0.1 M NaOH. Use pH paper to test that it is basic.
4. Use stir rod to pour sample into a ceramic dish.
5. Let your sample dry on the lab bench for 48 hours.
To measure the

Pictures

Bibliography
[2] O'Connor, Kari. "How Long Does It Take a Plastic Bottle to Biodegrade?" Educational Articles and Tips from Postconsumers. N.p., 31 Oct. 2011. Web
[3] Pelley, Janet. "Pantry Pests Harbor Plastic-Chomping Bacteria." Scientific American Global RSS. N.p., 04 Dec. 2014. Web.
[4] http://www.epa.gov/osw/conserve/materials/plastics.htm\

Bioplastic links

https://www.googlesciencefair.com/en/projects/ahJzfnNjaWVuY2VmYWlyLTIwMTJyRAsSC1Byb2plY3RTaXRlIjNhaEp6Zm5OamFXVnVZMlZtWVdseUxUSXdNVEp5RUFzU0IxQnliMnBsWTNRWW9ZR0tBUXcM

Get Access