A new class of stereoregular vinylene-arylene copolymers with double-decker silsesquioxane in the main chain

Żak, Patrycja; Dudziec, Beata; Dutkiewicz, Michał; Ludwiczak, Monika; Marciniec, Bogdan; Nowicki, Marek

doi:10.1002/pola.27957

Cited by 37 publications

(20 citation statements)

References 40 publications

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“…Trichlorovinylgermane, 1,4‐divinylbenzene (DVB), monovinylgermasilsesquioxanes, [12] 4,4′‐divinyl‐1,1′‐biphenyl and 4,4′‐divinyl‐ p ‐terphenyl were prepared according to the literature procedures. All solvents (except tetrahydrofuran) were dried prior to use over CaH 2 and stored under argon.…”

Section: Methodsmentioning

confidence: 99%

Olefin Metathesis of Vinylgermanium Derivatives as Method for the Synthesis of Functionalized Cubic and Double‐Decker Germasilsesquioxanes

et al. 2016

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Fort he first time,o lefin cross metathesis has been developed for vinylgermanium compounds. This paper also marks the first case of transition metal-catalyzed functionalization of heterosilsesquioxanes,w hich in our case are cubic vinylgermasilsesquioxanes and newly synthesizedd i(vinylgermyl)substituted double-decker silsesquioxane.T hese processes leadt oaseries of new molecular, unsaturated mono-a nd divinyl-substituted germasilsesquioxanes, which can be potentially applied as precursors for optoelectronics and for the synthesis of new advanced materials.A dditionally,p reliminary tests of metathetic copolymerization of divinylsubstituted double-deckerd igermasilsesquioxanes (DDSQ-2ViGe) with selected diolefins provedt ob ev ery promising and resulted in the synthesis of novels tereoregular trans-germasilsesquioxyl-vinylene-phenylene macromolecular derivatives.A ll newly obtained compounds were isolated andc haracterized by mass and spectroscopic methods.Scheme5.Cross-metathesis of DDSQ-2ViGe with olefins.

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Section: Methodsmentioning

confidence: 99%

Olefin Metathesis of Vinylgermanium Derivatives as Method for the Synthesis of Functionalized Cubic and Double‐Decker Germasilsesquioxanes

et al. 2016

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“…After that, silylative coupling and metathetic copolymerization (ADMET) were further used to synthesize a new class of vinylene-arylene and B-POSS copolymers in another work [90]. Different arenes were polymerized in order to compare their thermal and mechanical properties.…”

Section: Divinyl Functionalized B-possmentioning

confidence: 99%

Progress in the Synthesis of Bifunctionalized Polyhedral Oligomeric Silsesquioxane

et al. 2019

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Polyhedral oligomeric silsesquioxane (POSS) has been considered as one of the most promising nanofillers in academic and industrial research due to its unique multifunctional nanostructure, easy functionalization, hybrid nature, and high processability. The progress of POSS has been extensive, particularly applications based on single- or multiple-armed POSS. In polymer hybrids, in order to enhance the properties, bifunctional POSS has been incorporated into the backbone chain of the polymer. This review summarizes recent developments in the synthesis, modification, and application of bifunctional POSS-containing composite materials. This includes amino-POSS, hydroxyl-POSS, aromatic ring-POSS, ether-POSS, and vinyl groups-POSS and their applications, exemplified by polyurethanes (PUs) and polyimides (PIs). In addition, the review highlights the enhancement of thermal, mechanical, and optical properties of the composites.

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“…Reacting tetrasilanol of double-decker shaped octaphenyl silsesquioxane DDSQ(OH) 4 with an appropriate quantity of dichlorosilanes (RR'SiCl 2 ) or difluorosilanes (RR'SiF 2 ) can result in a fully condensed structure (DDSQ-2(RR')) as observed in Scheme 1 [1][2][3][4][5][6][7][8][9]. These compounds have been used to form hybrid polymers with silsesquioxane as a part of the backbone [3,6,10].…”

Section: Introductionmentioning

confidence: 99%

Phase Behavior of Selected Condensed Double-Decker Shaped Silsesquioxane Compounds

Vogelsang

Maleczka

Lee

2021

Preprint

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Bisfunctional dichlorosilanes were reacted with tetrasilanol of double-decker shaped octaphenylsilsesquioxane (DDSQ) to form fully condensed DDSQ compounds. The crystallographic and thermal characteristics of these compounds were examined. For compounds capped with dichlorosilanes bearing linear aliphatic moieties, as the number of carbon increases from methyl to n-butyl (from 1 to 4) the melting temperature, Tm, dropped from 546 K to 416 K. While for compounds capped with cycloaliphatic, as the moiety changes from cyclopentyl to cyclohexyl, the value of Tm increases from 533 K to 555 K. Surprising, the highest Tm observed was that when capping was done using diisopropyl dichlorosilane. A Tm of around 565 K was observed, which was even higher as compare to diphenyl dichlorosilane capped DDSQ, which had Tm of about 526 K. Phase behavior of binary and ternary mixtures of these condensed DDSQ was also investigated. To our surprise, mixtures of these compounds form eutectic. The eutectic points were calculated based on ideal binary and ternary eutectic from the thermal properties of pure components. Depending on the crystallography, experimental observations of eutectic match well with calculated values.

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A new class of stereoregular vinylene-arylene copolymers with double-decker silsesquioxane in the main chain

Cited by 37 publications

References 40 publications

Olefin Metathesis of Vinylgermanium Derivatives as Method for the Synthesis of Functionalized Cubic and Double‐Decker Germasilsesquioxanes

Olefin Metathesis of Vinylgermanium Derivatives as Method for the Synthesis of Functionalized Cubic and Double‐Decker Germasilsesquioxanes

Progress in the Synthesis of Bifunctionalized Polyhedral Oligomeric Silsesquioxane

Phase Behavior of Selected Condensed Double-Decker Shaped Silsesquioxane Compounds

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