Kazan state Federal University E-Archive :: Browsing by Author "Maklakov A."

A study of the efficiency of plasticizers in polyvinylchloride by the nuclear magnetic resonance method

Chernitsyn A.; Maklakov A.; Voskresenskii V.; Orlova Y. (1964)

Anisotropy of the molecular motion of di-2-ethylhexyl sebacate in oriented samples of plasticized polyvinyl chloride

Tyurin V.; Maklakov A. (1989)

The uniaxial stretching of samples of PVC plasticized by di-2-ethylhexyl sebacate retards the molecular mobility of the plasticizer inducing its anisotropy. This leads to complication of the form of the decay of transverse ...

Anomalous dependence of glass temperature on composition of block copolymers

Gurenkov M.; Maklakov A.; Kovler V. (1968)

Aspects of self-diffusion of solvent in polymer-low molecular weight substance system

Maklakov A. (1983)

On the assumption of the independent behaviour of the holes necessary for diffusion it is shown that in the polymer-low molecular weight substance system at T>Tg + (80-100) where Tg is the glass transition point of the ...

Autodiffusion and phase separation in aqueous solutions of polyoxypropylene diol

Zgadzai O.; Maklakov A.; Skirda V.; Chalykh A. (1988)

Phase equilibrium in the polyoxypropylene-water system at the lower consolute temperature has been studied by an NMR impulse method and by an interference micro-method. An analysis of the shape of the diffusional attenuations ...

Concentration dependence of the coefficient of self-diffusion of macromolecules in polymer solutions

Skirda V.; Fatkullin N.; Sundukov V.; Maklakov A. (1987)

The NMR method with the pulse gradient of the magnetic field has been used to study 3he self-diffusion of macromolecules of PEO (Mn = 2×103-3×106) and PS (Mn = 2·4×105; 1·3×106) in different solvents over a wide range of ...

Crystallization of oligo(ethylene glycol) in the presence of carbon tetrachloride

Dvoyashkin N.; Maklakov A.; Smirnov V. (1979)

The kinetics of crystallization of oligo(ethylene glycol) in the presence of carbon tetrachloride, have been studied by the pulsed NMR method. It was found that the overall rate of crystallization and the shape of the ...

Decay of free induction in polyvinylchloride in the high elastic state

Skirda V.; Maklakov A.; Shnaider K. (1978)

An experimental study was made of the form of decay of free induction (ID) in PVC samples with different molecular weights in the high elastic state. It was found that the form of ID differs from the form predicted by a ...

Determination of some parameters of a porous medium-liquid system by the pulsed field gradient NMR

Tyurin V.; Maklakov A. (2002)

A possibility was considered to estimate the parameter of a porous medium S/Vp, where S and Vp are the surface area and the volume of pores, respectively, as well as the power of nuclear magnetic energy sinks ρ of a porous ...

Diffusion spin echo decay by pulsed magnetic field gradient NMR and some structure features in blockcopolymer solutions

Grinberg F.; Scirda V.; Fatkullin N.; Maklakov A.; Rogovina L.; Storogyk I. (1985)

Blockcopolymer solutions were investigated by pulsed field gradient NMR. Nonexponential diffusion decay of solvent molecules and the dependence of it's shape on time of observation uere found out. These features (unusual ...

Effect of paramagnetism of polyconjugated polymers and their complexes on NMR spectra and molecular motion

Maklakov A.; Shepelev(dec.) V.; Gol'dgammer K.; Zgadzai E.; Tarasov B.; Pen'kovskii V.; Solov'ev B.; Karpacheva G. (1970)

Effect of substitutional isomerism in the monomer units on the properties of aromatic polyamides

Kuznetsov G.; Savinov V.; Sokolov L.; Belyakov V.; Maklakov A.; Pimenov G. (1969)

Estimation of the mobility of macromolecules in the amorphous regions of crystalline polymer by the nuclear magnetic resonance method

Maklakov A.; Pimenov G.; Shepelev V. (1965)

Experimental and actual values of self-diffusion coefficients of liquids in porous media

Tyurin V.; Maklakov A. (2007)

Self-diffusion coefficients D*of liquids in porous media, as measured by the pulsed-field gradient NMR method, have been investigated as functions of the interval t 1 between the first and the second radio-frequency pulses ...

Free nuclear induction in amorphous polymers and viscous liquids above the glass temperature

Grigor'ev V.; Maklakov A.; Skirda V. (1977)

An experimental and theoretical study has been made of the temperature dependence of the form of the free induction signal (FIS) using PS and a low molecular viscous liquid, dioctylphthalate, as examples. A relationship ...

Generalized concentration dependence of makromolecule selfdiffusion coefficients in polyethyleneoxide solutions

Sundukov V.; Skirda V.; Maklakov A. (1985)

The polyethyleneoxide (PEO) macroraolecule translational mobility in dioxane and benzene solutions was studied by pulsed field gradient nmr. The generalized dependence describing the macromolecule translational mobility ...

Geometrical restrictions of water diffusion in aqueous protein systems. A study using NMR field-gradient techniques

Kimmich R.; Klammler F.; Skirda V.; Serebrennikova I.; Maklakov A.; Fatkullin N. (1993)

Geometrical restrictions of water diffusion in different aqueous protein systems were studied using two versions of the NMR field gradient technique. The samples were aqueous systems of bovine serum albumin, gelatin and ...

Impulse-NMR study of polyvinyl chloride-glycerol systems

Bashkirov B.; Maklakov A. (1982)

Three systems of PVC-glycerol, prepared various methods have been studied, namely powders, pressed and milled samples. In the case of the powders a proportion of the glycerol was found to be sorbed on the surfaces of ...

Influence of molecular weight on the nuclear magnetic resonance spectra of polystyrene

Maklakov A.; Nagumanova E. (1965)

Macromolecule self-diffusion in poly(ethylene glycol) melts

Sevreugin V.; Skirda V.; Maklakov A. (1986)

Macromolecule self-diffusion in poly(ethylene glycol)s with Mn = 3 × 102 to 4 × 104 and Mw Mn ≈ 1.1 was investigated by pulsed field gradient nuclear magnetic resonance. Samples with Mn < 3 × 103 were characterized by a ...

Browsing by Author "Maklakov A."

Browsing by Author "Maklakov A."

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