Growth of polystyrene films via gas-phase polymerization with [Pd(CH 3CN) 4][BF 4] 2 thin film catalyst

Kimberly S. Wain, Ayusman Sen, Seong Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The heterogeneous catalytic polymerization of styrene vapor with a tetrakis(acetonitrile)palladium(II) tetrafluoroborate, [Pd(CH 3CN) 4][BF 4] 2, thin film has been demonstrated. The catalyst is deposited by nebulization of dilute solutions onto a quartz crystal microbalance (QCM) and then exposed to styrene vapor in controlled environments. The use of QCM allows in situ monitoring of catalyst deposition and polymer growth kinetics. The polymerization process appears to involve the entire catalyst film rather than polymerization only at the catalyst film surface. The styrene vapor polymerization occurs rapidly after a short induction time needed for monomer dissolution and catalyst activation, The narrow molecular weight distribution of the produced polymer suggests that the deposited film acts as a single site catalyst.

Original languageEnglish (US)
Pages (from-to)1930-1934
Number of pages5
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume43
Issue number9
DOIs
StatePublished - May 1 2005

Fingerprint

Polystyrenes
Gases
Polymerization
Thin films
Catalysts
Styrene
Quartz crystal microbalances
Vapors
Polymers
Growth kinetics
Palladium
Molecular weight distribution
Acetonitrile
Dissolution
Monomers
Chemical activation
Monitoring

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

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abstract = "The heterogeneous catalytic polymerization of styrene vapor with a tetrakis(acetonitrile)palladium(II) tetrafluoroborate, [Pd(CH 3CN) 4][BF 4] 2, thin film has been demonstrated. The catalyst is deposited by nebulization of dilute solutions onto a quartz crystal microbalance (QCM) and then exposed to styrene vapor in controlled environments. The use of QCM allows in situ monitoring of catalyst deposition and polymer growth kinetics. The polymerization process appears to involve the entire catalyst film rather than polymerization only at the catalyst film surface. The styrene vapor polymerization occurs rapidly after a short induction time needed for monomer dissolution and catalyst activation, The narrow molecular weight distribution of the produced polymer suggests that the deposited film acts as a single site catalyst.",
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N2 - The heterogeneous catalytic polymerization of styrene vapor with a tetrakis(acetonitrile)palladium(II) tetrafluoroborate, [Pd(CH 3CN) 4][BF 4] 2, thin film has been demonstrated. The catalyst is deposited by nebulization of dilute solutions onto a quartz crystal microbalance (QCM) and then exposed to styrene vapor in controlled environments. The use of QCM allows in situ monitoring of catalyst deposition and polymer growth kinetics. The polymerization process appears to involve the entire catalyst film rather than polymerization only at the catalyst film surface. The styrene vapor polymerization occurs rapidly after a short induction time needed for monomer dissolution and catalyst activation, The narrow molecular weight distribution of the produced polymer suggests that the deposited film acts as a single site catalyst.

AB - The heterogeneous catalytic polymerization of styrene vapor with a tetrakis(acetonitrile)palladium(II) tetrafluoroborate, [Pd(CH 3CN) 4][BF 4] 2, thin film has been demonstrated. The catalyst is deposited by nebulization of dilute solutions onto a quartz crystal microbalance (QCM) and then exposed to styrene vapor in controlled environments. The use of QCM allows in situ monitoring of catalyst deposition and polymer growth kinetics. The polymerization process appears to involve the entire catalyst film rather than polymerization only at the catalyst film surface. The styrene vapor polymerization occurs rapidly after a short induction time needed for monomer dissolution and catalyst activation, The narrow molecular weight distribution of the produced polymer suggests that the deposited film acts as a single site catalyst.

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