Molar mass distribution

In linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value. The molar mass distribution (or molecular weight distribution) in a polymer describes the relationship between the number of moles of each polymer species (N_i) and the molar mass (M_i) of that species. The molar mass distribution of a polymer may be modified by polymer fractionation.

单词	Z average molecular weight
释义	Z average molecular weight 英语百科 Molar mass distribution In linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value. The molar mass distribution (or molecular weight distribution) in a polymer describes the relationship between the number of moles of each polymer species (N_i) and the molar mass (M_i) of that species. The molar mass distribution of a polymer may be modified by polymer fractionation.
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Z average molecular weight

Molar mass distribution