Polystyrene is a polymer that can be processed with air bubbles to produce Styrofoam, that amazingly light weight material that keeps the contents of our packages safe in the mail and our coffee warm in the winter. SKILL LEVEL. The DOW is trying to eliminate the use of styrene as it is because it smells so bad and is very toxic hence the company is trying to resort to co-polymerization (adding other … The 'foam' bit goes away. TRY IT! Dissolving Styrofoam or another polystyrene product in acetone is a spectacular demonstration of the solubility of this plastic in an organic solvent. To carry out an experiment with Styrofoam and acetone, all you need is a large bowl or measuring glass. Take styrofoam beads, packing peanuts, chunks of styrofoam, or even a styrofoam cup and add it to the container of acetone.
How then does acetone reduce this substance to a blob of goo? The Styrofoam will dissolve in the acetone much like sugar dissolves in hot water. Several volatile substances will dissolve styrofoam, but acetone is great, and in reponse to the OP, treating the styrofoam with some solvent will solve one problem you ask about - volume. K-6, Middle school, High School. 3.
Another way of doing this is to pour acetone directly onto a piece of Styrofoam. The correct question actually should be: Why polystyrene (PS) dissolves in acetone?
Acetone breaks the structure of polystyrene in its expanded form, styrofoam.
Reusing styrofoam is another earth-friendly way to use styrofoam, but recycling it is not possible. Notice how much of the Styrofoam cup is left after it shrinks. The styrofoam will dissolve in the acetone much like sugar dissolves in hot water. Polystyrene is a polymer that can be processed with air bubbles to produce Styrofoam, that amazingly light weight material that keeps the contents of our packages safe in the mail and our coffee warm in the winter. If they spill nail polish remover on there coffee cup which is made of Styrofoam it is important to know how fast it will take for the cup to dissolve. Styrofoam, a lightweight plastic used for packing materials and thermal insulation, dissolves in turpentine because the two substances have compatible molecular properties. Acetone breaks the structure of polystyrene in its expanded form, styrofoam. You can reduce it to virtually zero by this method. Mist the blocks with acetone until they dissolve down to a disposable size. Reactions Science Videos | May 24, 2016. The 'foam' bit goes away. In other words, acetone "dissolves" polystyrene.
Acetone: Works great, turns it into a slurry of dissolved polystyrene that will eventually evaporate thicken and then finally harden, most of the gas is lost, but the acetone gets trapped eventually and blows bubbles into the slowly solidifying stuff, making it bubbly and less than ideal to cast with.
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