Question

(a) Is it possible to grind up and reuse phenolformaldehyde? Why or why not? (b) Is it possible to grind up and reuse polypropylene? Why or why not?

Solution

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Part A

Phenol-formaldehyde is a thermoset polymer. Thermoset polymers can NOT be heated up and reused. Therefore it is  Not possible\boxed{\text{ Not possible}}

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