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  • material
  • The material is prepared by sulfonation of polystyrene: (CH2CHC6H5)n + n SO3 → (CH2CHC6H4SO3H)n Several methods exist for this conversion, which can lead to varying degree of sulfonation. (wikipedia.org)
  • acetone
  • The acetone should evaporate and the polystyrene set in about 12 hours, but wait a full day to make sure it fully cures. (ehow.com)
  • terms
  • In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene ). (wikipedia.org)
  • Company
  • The company I. G. Farben began manufacturing polystyrene in Ludwigshafen , about 1931, hoping it would be a suitable replacement for die-cast zinc in many applications. (wikipedia.org)