What role do glycerin and vinegar play in the manufacture of bio-plastics?
Md Ariful Islam
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Dr. Md Rushad Rahman
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Glycerin is used as a plasticizer that links polymer chains together and allows them to slide past each other. Vinegar helps the corn starch to fully dissolve in the mixture because starch dissolves better in the presence of electrically charged ions. If you do not have vinegar handy, ordinary table salt can also be used to help the corn starch to dissolve because it can provide free ions.
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