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Polyurethanes vs Polystyrene - What's the difference?

polyurethanes | polystyrene |

As nouns the difference between polyurethanes and polystyrene

is that polyurethanes is while polystyrene is polystyrene.

polyurethanes

English

Noun

(head)

    • polystyrene

    English

    (wikipedia polystyrene)

    Noun

    (en noun)
  • (organic chemistry) A vinylic polymer of styrene, CH2CHphenyl.
  • (organic chemistry) An alkane chain of benzene molecules, RCH2CHphenylR.

    • Derived terms

    * styrofoam * expanded polystyrene (EPS)