Polymer questions about polyethylene and polyvinyl alcohol

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Write a short paragraph clearly explaining why Polyethylene and Polyvinyl alcohol have the properties they do and how these properties make them useful. Thank you!

Oct 20th, 2017

Both the polymers have carbon atoms in the main chain leading to long linear chains that result in regular packing and high crystallinity. Polyethylene is resistant to water, acids, alkalies, and most solvents. Polyvinyl alcohol has excellent film forming, emulsifying and adhesive properties. It is also resistant to oil, grease and solvents. Both the polymers has high tensile strength and flexibility, as well as high oxygen and aroma barrier properties. It has high tensile strength and flexibility, as well as high oxygen and aroma barrier properties. But for Polyvinyl Alcohol the water, which acts as a plasticiser, will then reduce its tensile strength, but increase its elongation and tear strength.

Nov 18th, 2014

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