Rahul Sharma (Editor)

Divinylbenzene

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Boiling point
  
195 °C

Divinylbenzene httpsuploadwikimediaorgwikipediacommons11

Appearance
  
pale, straw-colored liquid

Global and china divinylbenzene dvb industry 2009 2019


Divinylbenzene (DVB) consists of a benzene ring bonded to two vinyl groups. It is related to styrene (vinylbenzene) by the addition of a second vinyl group. It is a colorless liquid is manufactured by the thermal dehydrogenation of isomeric diethylbenzenes. Under synthesis conditions, o-divinylbenzene converts to naphthalene and thus is not a component of the usual mixtures of DVB.

Contents

Divinylbenzene Divinylbenzne Wikipdia

Divinylbenzene meaning


Production and use

It is produced by dehydrogenation of diethylbenzene:

C6H4(C2H5)2 → C6H4(C2H3)2 + 2 H2
Divinylbenzene Divinylbenzene technical grade 80 SigmaAldrich

Divinylbenzene is usually encountered as a 2:1 mixture of m- and p-divinylbenzene, containing also the corresponding isomers of ethylvinylbenzene.

Divinylbenzene 12Divinylbenzene C10H10 ChemSpider

Styrene and divinylbenzene react to form the copolymer styrene-divinylbenzene, S-DVB or Sty-DVB. The resulting cross-linked polymer is mainly used for the production of ion exchange resin.

Nomenclature

Divinylbenzene 13Divinylbenzene C10H10 ChemSpider

  • Ortho: variously known as 1,2-diethenylbenzene, 1,2-divinylbenzene, o-vinylstyrene, o-divinylbenzene
  • Meta: known as 1,3-diethenylbenzene, 1,3-divinylbenzene, m-vinylstyrene, m-divinylbenzene
  • Para: known as 1,4-diethenylbenzene, 1,4-divinylbenzene, p-vinylstyrene, p-divinylbenzene.

    • These compounds are systematically called diethenylbenzene, although this nomenclature is rarely encountered.

    Divinylbenzene FilePolystyrenecodivinylbenzenepng Wikipedia

    Divinylbenzene pDivinylbenzene 85 SigmaAldrich

    References

    Divinylbenzene Wikipedia
    (Text) CC BY-SA


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