// multi-utility computation suite · offline · instant · precise
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sci.polymer-degree-polymerization-Mn Calculator
Calculates number-average degree of polymerisation X_n = M_n/M₀ from GPC Mn and monomer molecular weight, and contour length from DP and monomer length. Nylon 6,6 with M_n = 20,000 g/mol and M₀ = 226 g/mol has X_n = 88 repeat units — chain entanglement requires X_n > ~100 for good mechanical properties.
Inputs
Mn G Mol
Mass of one mole of the substance (g/mol). Found by summing atomic weights. Converts between grams and moles.
M0 G Mol
Mass of one mole of the substance (g/mol). Found by summing atomic weights. Converts between grams and moles.
Mw G Mol
Mass of one mole of the substance (g/mol). Found by summing atomic weights. Converts between grams and moles.
Results
degree of polymerisation DPn
The magnitude or severity on the applicable scale.
degree of polymerisation DPw
The magnitude or severity on the applicable scale.
dispersity Đ (PDI)
ISP (specific impulse) — rocket engine efficiency in seconds. Higher ISP means more thrust per kilogram of propellant consumed.
DPn = Mn / M₀
Sample size or count used in the calculation.
molar mass distribution
The computed mass of the object or substance.
molecular weight
The computed weight (gravitational force) or mass.