Taro Plastic

Topics: Starch, Potato, Tablespoon Pages: 2 (407 words) Published: December 16, 2012
I. Materials:
* Potato
* Vegetable Glycerine
* White Vinegar
* Food Colouring
* Baking Soda
* Water
* Potato Peeler
* Knife
* Blender

II. Objectives:
a. To be able to make a more biodegradable plastic bag using potatoes. b. To apply the value of patience and excellence while performing the project and; c. To find out if potato starch can be a potential replacement for petroleum based plastic.

III. Procedures:
1. Wash, peel, and dice the potato. Then put it in the blender till it blends into an even paste. 2. Now strain with a tea strainer or coffee filter. You can use the starch right away or dry it. 3. To make the plastic you need to add 7 tablespoons of water, 1 table spoon of the potato starch, 2.5 teaspoons of vinegar and 1.5 teaspoons of glycerin. 4. Put this on the stove and cook it. When it begins to boil add a solution of 2 tablespoons of water and half a spoon of baking soda. Put the pot to heat and continue to stir until it starts getting drier. 5. Pour the mixture on a flat baking sheet. To dry out the plastic you can put it in the oven at low heat for one or two hours or leave it out in the sun for the air to take away the moisture. 6. Once the plastic is dried it will become harder but will also retain a lot of its flexibility.

St. Mary’s Academy
525 P. Burgos St. Pasay City
High School Department

“The Feasibility of Gabi (Colocasia Esculenta)
as an Effective Component of Biodegradable Plastic”

Presented To:
Ms. Maria Theresa L. Estilong

In partial fulfilment of the
Requirements in
Science 9: Chemistry (2nd Quarter)

Submitted By:
Steffi Naomi S. Santos
Ivan Joshua Sayson
Teddy Carl Omilig
Ma. Isabel Innocencia Victor
G9-Our Lady of Immaculate Conception

Date Submitted:
October 15, 2012

IV. Data and Results
The experiment we performed yielded consistent data that the starch from the gabi, together with the other ingredients, was able to...
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