Molar distribution in linear polycondensates
Polycondensation, polyaddition and polymer modification

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Molar distribution in linear polycondensates


Polycondensation, polyaddition and polymer modification

Author : Ernest MARÉCHAL

Publication date: December 10, 2000 | Lire en français

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6. Molar distribution in linear polycondensates

The following relationships are valid for the stoichiometric systems AA + BB and for the systems AB + AB, provided that the degrees of polymerization are expressed in A′B′ units.

The product of a polycondensation consists of a mixture of monomer, dimer, trimer, etc. molecules; a chain formed of x A′B ′ units is referred to as x-mother.

6.1 Number fraction of x-mers in the mixture

In the following n x is the number of x-mers and n is the number of all molecules contained in the mixture resulting from polycondensation. n x /n is the number fraction or mole fraction of the x-mers, it is also the probability P x ...

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