Calorimetric study of siloxane dendrimer of the third generation with trimethylsilyl terminal groups

Sologubov, Semen S.; Маркин, А. В.; Sarmini, Yuliya A.; Samosudova, Yanina S.; Смирнова, Н. Н.; Boldyrev, Konstantin L.; Татаринова, Е. А.; Meshkov, I. B.; Muzafarov, А. М.

doi:10.1007/s10973-019-08693-9

Cited by 6 publications

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“…The standard thermodynamic characteristics of the glass transition and glassy state of the studied hybrid dendrimer G1{Si} 13 [Ar] 32 are presented in Table 2 in comparison to the data for the investigated organosilicon [ 35 , 40 , 41 , 42 ] and pyridylphenylene [ 45 , 46 ] dendrimers of the first generation. Molecular structures of the calorimetrically studied G1 dendrimers are shown in Figure 5 .…”

Section: Resultsmentioning

confidence: 99%

“…The arrangement of the dendritic blocks in a different manner (i.e., a flexible core and a rigid shell or vice versa) allows for a controllable synthesis of principally new dendrimers with the desired characteristics [ 35 ]. The results of our calorimetric investigations of the widespread families such as carbosilane [ 36 , 37 , 38 ], siloxane [ 39 , 40 , 41 ], and polyphenylene [ 42 , 43 ] dendrimers with different molecular structure of the inner sphere and the surface functional groups were published earlier.…”

Section: Introductionmentioning

confidence: 99%

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Thermodynamic Properties of the First-Generation Hybrid Dendrimer with “Carbosilane Core/Phenylene Shell” Structure

Sologubov

Маркин

Смирнова

et al. 2021

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The molar heat capacity of the first-generation hybrid dendrimer with a “carbosilane core/phenylene shell” structure was measured for the first time in the temperature range T = 6–600 K using a precise adiabatic vacuum calorimeter and DSC. In the above temperature interval, the glass transition of the studied compound was observed, and its thermodynamic characteristics were determined. The standard thermodynamic functions (the enthalpy, the entropy, and the Gibbs energy) of the hybrid dendrimer were calculated over the range from T = 0 to 600 K using the experimentally determined heat capacity. The standard entropy of formation of the investigated dendrimer was evaluated at T = 298.15 K. The obtained thermodynamic properties of the studied hybrid dendrimer were compared and discussed with the literature data for some of the first-generation organosilicon and pyridylphenylene dendrimers.

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