The molecular weight of polymers from irreversible polycondensation reactions

Sokolov, L.B.; Sharikov, Yu. V.; Kotlova, R.P.

doi:10.1016/0032-3950(70)90448-x

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Ideal Homo-and Heteropolycondensation1

Analysis Of Data1

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1973

2004

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Cited by 6 publications

(3 citation statements)

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“…This inference was confirmed later by the kinetic method [35]. Sokolov et al [36] have found the value of P N analytically and numerically for different kinetic schemes and mechanisms of the functional groups' deactivation. In particular, they examined the chain termination reaction by either impurities or a by-product released during the process.…”

Section: Ideal Homo-and Heteropolycondensationmentioning

confidence: 74%

Development of a quantitative theory of polycondensation

Кучанов

2004

Progress in Polymer Science

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Section: Ideal Homo-and Heteropolycondensationmentioning

confidence: 74%

Development of a quantitative theory of polycondensation

Кучанов

2004

Progress in Polymer Science

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“…For Ncoo = 2, 3, 4, and 6, the function F{T,NCoo) was determined from eq 4, 12, and 13, i.e. or, F(T,NCoo) may be defined approximately as independent of N2 and separated as F( T.Ncoo) = /(A/coo) T + G( /coo) (15) The coefficient Kin eq 14 was again determined from eq 2. From the sebacate {Ncoo = 2) and triglyceride {Ncoo = 3) data, the function F( 7, /coo) calculated from eq 14 was averaged for each temperature, while only one value of the function could be calculated for the oligomer data (NCoo = 2, 4, 6).…”

Section: Analysis Of Datamentioning

confidence: 99%

“…we show comparative calculations of three polymers. Structure uncertainty as a consequence of polymerization(3,6,9,15) …”

mentioning

confidence: 99%

Effect of number of carboxyl groups on liquid density of esters of alkylcarboxylic acids

Phillips¹,

Mattamal²

1978

J. Chem. Eng. Data

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Liquid-density data for esters covering a molecular weight range of 88-939 (monocarboxylics; dialkyl esters series; triglyceride esters series; and oligomeric ester series) and a temperature range of 0-242.8 °C have been empirically fitted to about 1 % to an equation of the form p = + 2 + /'(T), where is a function of the absolute temperature, 7, number of carboxyl groups, Ncoo, and the molecular weight, /If; AC is a function of 7, NCOo, and A/2 (number of methylene groups). The equation in its limiting form may be used to estimate densities of poly(carboxylic esters) from a knowledge of the structure of the repeating unit. Data for the monocarboxylics were obtained from published values, those of the sebacate series and triglyceride series were measured dilatometrically and that of the oligomeric ester series was measured by a capillary method. The results show a rather strong dependence of the density on A/coo•

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Reactivity of monomers and polycondensation regularities

Sokolov

1973

Polymer Science U.S.S.R.

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The molecular weight of polymers from irreversible polycondensation reactions

Cited by 6 publications

References 1 publication

Development of a quantitative theory of polycondensation

Development of a quantitative theory of polycondensation

Effect of number of carboxyl groups on liquid density of esters of alkylcarboxylic acids

Reactivity of monomers and polycondensation regularities

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