Ferrocenylenegermane Polymers and Copolymers

Kapoor, Rupam; Crawford, G. M.; Mahmoud, Jawad S.; Dementiev, Vyacheslav V.; Nguyên, My T.; Diaz, and Arthur F.; Pannell, Keith H.

doi:10.1021/om00010a067

Cited by 34 publications

(23 citation statements)

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“…[101] Both thermal and PtCl 2 -catalyzed copolymerization of [fcGeMe 2 ] and [fcSiMe 2 ] yielded copolymers with a monomodal molecularweight distribution. [102] Transition-metal-catalyzed copolymerization of [fcSiMe 2 ] with either benzosilacyclobutane or tetramethyldisilacyclobutane led to the formation of random copolymers.…”

Section: Synthesis Of Copolymers-macromolecular Architecturesmentioning

confidence: 99%

Polyferrocenylsilane‐Based Polymer Systems

Bellas¹,

Rehahn²

2007

Angew Chem Int Ed

290

207

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The study of metallopolymers has blossomed into a mature field over the last few decades. Especially, polyferrocenylsilane (PFS) chemistry has taken a tremendous leap and continues to raise intense interest. Since the discovery of thermal ring-opening polymerization (ROP) of sila[1]ferrocenophanes, PFSs have been also accessed by anionic, cationic, transition-metal-catalyzed, and photolytic anionic ROP methodologies. A plethora of synthetic strategies have been devised, enabling access to a wide variety of copolymers, polyelectrolytes, and nanostructured materials. The distinctive physical properties and functions of many PFS-based polymers have been explored, leading to their apt exploitation in technical applications. Therefore, it is conceivable that PFS-related platforms might be indispensable nano-objects in the near future, as they stand on the verge of a new generation of sophisticated materials.

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Section: Synthesis Of Copolymers-macromolecular Architecturesmentioning

confidence: 99%

Polyferrocenylsilane‐Based Polymer Systems

Bellas¹,

Rehahn²

2007

Angew Chem Int Ed

290

207

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“…[26] In addition, random copolymers of PFDMS (1, R ¼ R 0 ¼ Me) and PFDMG have been reported using thermal and transition-metal catalysed ROP. [30][31][32] In all cases the resulting materials possessed broad molecular weight distributions and no molecular weight control was possible.…”

mentioning

confidence: 99%

Anionic Ring‐Opening Polymerization of a Germanium‐Bridged [1]Ferrocenophane: Synthesis and Morphology of Well‐Defined Polyferrocenylgermane Homopolymers and Block Copolymers

Ieong

Manners

2009

Macro Chemistry & Physics

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Well‐defined poly(ferrocenyldimethylgermane) homopolymers PFDMG [$\overline M _{\rm n} $ = 18 800–33 700, degree of polymerization ($\overline {DP} _{\rm n} $) = 66–117, polydispersity index (PDI) = 1.02–1.05] and polyisoprene‐block‐poly(ferrocenyldimethylgermane) diblock copolymers (PIx‐b‐PFDMGy, for 6, x/y = 359:23, volume fraction, ϕPFDMG = 0.14, PDI = 1.04; for 7, x/y = 337:56, ϕPFDMG = 0.29, PDI = 1.04) have been prepared by anionic ring‐opening polymerization. The polymer morphology and thermal transition behaviour of PFDMG 5 ($\overline M _{\rm n} $ = 18 800, $\overline {DP} _{\rm n} $ = 66, PDI = 1.02) have been investigated by wide‐angle X‐ray scattering (WAXS) and differential scanning calorimetry (DSC), respectively. Both studies suggest that PFDMG 5 possesses similar crystallization behaviour to its Group 14 analogue, poly(ferrocenyldimethylsilane). Transmission electron microscopy (TEM) images of the solid state thin films of the diblock copolymers 6 (ϕPFDMG = 0.14) and 7 (ϕPFDMG = 0.29) show microphase separated structures of spherical or cylindrical PFDMG domains in a PI matrix respectively. Furthermore, these morphologies can be preserved after selective plasma etching of the PI block.magnified image

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“…Scheme 47 shows some of the polymers prepared by thermal or transition metal catalyzed ROP. [175][176][177][178] The ROP of ferrocenophanes with tin bridges has also been described by the research groups of Manners and Pannell. [179][180][181][182] It was reported that high-molecularweight polymers could be produced by thermal ROP, and that the ferrocenophanes also opened at room temperature in solution.…”

Section: Ring-opening Polymerizationmentioning

confidence: 90%

“…[175] These monomers polymerize readily to produce high-molecularweight (M w ¼ 10 6 ) poly(ferrocenyl germanes). [175][176][177][178] Homo-and copolymerization reactions of [1]germaferrocenophanes were reported by Pannell and coworkers, however, the ferrocenophanes were not isolated due to their high reactivity. [177] The homo-and copolymerization of germanium-bridged ferrocenophanes with siliconbridged ferrocenophanes was reported by Tanaka and coworkers using platinum and palladium catalysts.…”

Section: Ring-opening Polymerizationmentioning

confidence: 99%

“…[175][176][177][178] Homo-and copolymerization reactions of [1]germaferrocenophanes were reported by Pannell and coworkers, however, the ferrocenophanes were not isolated due to their high reactivity. [177] The homo-and copolymerization of germanium-bridged ferrocenophanes with siliconbridged ferrocenophanes was reported by Tanaka and coworkers using platinum and palladium catalysts. [178] These were the first examples of transition metal-catalyzed ROP of germanium-bridged ferrocenophanes.…”

Section: Ring-opening Polymerizationmentioning

confidence: 99%

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Organometallic Polymers of the Transition Metals

Abd‐El‐Aziz

2002

Macromol. Rapid Commun.

164

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This article provides a comprehensive review of the synthesis, properties and applications of organometallic polymers of the transition metals. The different classes of organometallic polymers are described according to their structural make‐up, as well as by their methods of synthesis. A number of examples of each class are given to emphasize the richness and diversity in these areas of research. In addition to linear polymers, hyperbranched, crosslinked, star and dendritic polymers are also described. The properties that transition metal‐containing organometallic polymers possess, as well as the applications that these materials have found in various domains are highlighted. magnified image

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Ferrocenylenegermane Polymers and Copolymers

Cited by 34 publications

References 0 publications

Polyferrocenylsilane‐Based Polymer Systems

Polyferrocenylsilane‐Based Polymer Systems

Anionic Ring‐Opening Polymerization of a Germanium‐Bridged [1]Ferrocenophane: Synthesis and Morphology of Well‐Defined Polyferrocenylgermane Homopolymers and Block Copolymers

Organometallic Polymers of the Transition Metals

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