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L. V. Dubrovina

A. N. Nesmeyanov Institute of Organoelement Compounds

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Featured researches published by L. V. Dubrovina.

Russian Chemical Bulletin | 1998

The effect of side substituents on rotation hindrance in polyheteroarylenes

I. A. Ronova; L. V. Dubrovina; A. Yu. Kovalevskii; C. Hamciuc; M. Bruma

Hindered rotation was considered in calculations of the conformational parameters of a series of polyheteroarylenes with bulky side substituents by the Monte-Carlo method. Within the range of experimental errors, the results of calculations for several polyarylates coincide with the values of conformational rigidity, determined from hydrodynamic experimental data. The proposed procedure was used to estimate the rigidities of a number of polymers with bulky side substuents for which experimental determination is difficult.

Russian Chemical Bulletin | 1996

GENERAL FEATURES OF THE REACTION OF 4,4'-DIFLUOROBENZOPHENONE WITH POTASSIUM DIPHENOXIDE OF 2,2-BIS(4-HYDROXYPHENYL)PROPANE

V. V. Shaposhnikova; S. N. Salazkin; V. A. Sergeev; I. V. Blagodatskikh; L. V. Dubrovina; A. A. Sakunts; S. Pavlova

AbstractThe major factors determining molecular weights of polyarylene-ether ketones formed by the reaction of 4,4′-difluorobenzophenone with 2,2-bis(4-hydroxyphenyl)propane in the presence of K2CO3 were revealed. The optimum conditions for the preparation of high-molecular-weight polymers were found, and it was demonstrated that it is possible to control their molecular weights (n

Russian Chemical Bulletin | 2004

Synthesis of poly(arylene ether ketones) with terminal phenolic groups

D. S. Sharapov; V. V. Shaposhnikova; S. N. Salazkin; I. A. Mamedova; L. V. Dubrovina; I. V. Blagodatskikh; T. A. Babushkina

Polymer science. Series A, Chemistry, physics | 2002

Poly(diphenylenesulfophthalide) and the related alkali-metal salts

L. Z. Rogovina; V. G. Vasil'ev; G. G. Nikiforova; L. V. Dubrovina; T. P. Bragina; L. I. Komarova; G. I. Timofeeva; M. I. Buzin; S. N. Salazkin; V. V. Shaposhnikova; A. N. Ryabev; V. S. Papkov

bar M_W

Polymer science. Series A, Chemistry, physics | 2005

Poly(arylene ether ketone) bearing side carboxyl groups and related salts : Sedimentation study of molecular characteristics and association

G. I. Timofeeva; L. V. Dubrovina; T. P. Bragina; G. G. Nikiforova; V. G. Vasil'ev; L. I. Komarova; M. I. Buzin; A. N. Ryabev; V. V. Shaposhnikova; S. N. Salazkin; V. S. Papkov; L. Z. Rogovina

Polymer science. Series A, Chemistry, physics | 2004

Poly(arylene ether ketone) bearing side carboxyl groups as a base stock for the manufacturing aromatic polyelectrolytes and ionomers

L. Z. Rogovina; G. G. Nikiforova; M. I. Buzin; V. G. Vasil'ev; G. I. Timofeeva; L. V. Dubrovina; T. P. Bragina; L. I. Komarova; A. N. Ryabev; V. V. Shaposhnikova; S. N. Salazkin; V. S. Papkov

n from 10 000 to 200 000).

Polymer science. Series A, Chemistry, physics | 2003