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Polydispersity Index for Step-Reaction Polymers Calculator

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✖The Weight-Average Molecular Weight measuring system includes the mass of individual chains, which contributes to the overall molecular weight of the polymer.ⓘ Weight-Average Molecular Weight [M_w]			+10% -10%
✖The Number-Average Molecular Weight is a measuring system that requires counting the total number of molecules in a unit mass of polymer irrespective of their shape or size.ⓘ Number-Average Molecular Weight [M_n]			+10% -10%

✖Polydispersity Index is a measure of the distribution of molecular mass in a given polymer sample.ⓘ Polydispersity Index for Step-Reaction Polymers [PDI]

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Polydispersity Index for Step-Reaction Polymers Solution

STEP 0: Pre-Calculation Summary

Formula Used

Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight
PDI = M_w/M_n
This formula uses 3 Variables

Variables Used

Polydispersity Index - Polydispersity Index is a measure of the distribution of molecular mass in a given polymer sample.
Weight-Average Molecular Weight - (Measured in Kilogram Per Mole) - The Weight-Average Molecular Weight measuring system includes the mass of individual chains, which contributes to the overall molecular weight of the polymer.
Number-Average Molecular Weight - (Measured in Kilogram Per Mole) - The Number-Average Molecular Weight is a measuring system that requires counting the total number of molecules in a unit mass of polymer irrespective of their shape or size.

STEP 1: Convert Input(s) to Base Unit

Weight-Average Molecular Weight: 28.74 Gram Per Mole --> 0.02874 Kilogram Per Mole (Check conversion here)
Number-Average Molecular Weight: 23.37 Gram Per Mole --> 0.02337 Kilogram Per Mole (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

PDI = M_w/M_n --> 0.02874/0.02337

Evaluating ... ...

PDI = 1.22978177150193

STEP 3: Convert Result to Output's Unit

1.22978177150193 --> No Conversion Required

FINAL ANSWER

1.22978177150193 ≈ 1.229782 <-- Polydispersity Index

(Calculation completed in 00.004 seconds)

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< Polymers Calculators

Viscosity Number

LaTeX Go Viscosity Number = (Flow Time of Polymer Solution/(Flow Time of Solvent-1))/Polymer Concentration

Compressive Strength of Material

LaTeX Go Compressive Strength of Material = Force Applied on Material/Cross Sectional Area of Polymer

Tensile Strength given Cross-Sectional Area

LaTeX Go Tensile Strength = Force Applied on Material/Cross Sectional Area of Polymer

Deborah Number

LaTeX Go Deborah Number = Time of Relaxation/Observation Time

< Important Formulas of Polymers Calculators

Number-Average Molecular Weight

LaTeX Go Number-Average Molecular Weight = Molecular Weight of Repeating Unit/(1-Probability of Finding Repeating Unit AB)

Compressive Strength of Material

LaTeX Go Compressive Strength of Material = Force Applied on Material/Cross Sectional Area of Polymer

Polydispersity Index for Step-Reaction Polymers

LaTeX Go Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight

Contour Length of Macromolecule

LaTeX Go Contour Length = Number of Monomers*Length of Monomer Unit

Polydispersity Index for Step-Reaction Polymers Formula

LaTeX Go

Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight
PDI = M_w/M_n

What is Polymerization?

In polymer chemistry, polymerization is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or three-dimensional networks. In chemical compounds, polymerization can occur via a variety of reaction mechanisms that vary in complexity due to the functional groups present in the reactants and their inherent steric effects.

How to Calculate Polydispersity Index for Step-Reaction Polymers?

Polydispersity Index for Step-Reaction Polymers calculator uses Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight to calculate the Polydispersity Index, The Polydispersity Index for Step-Reaction Polymers formula is defined as the ratio of weight to number-average molecular masses. PDI is used to indicate the distribution of polymer chain molecular weights in a given polymer. Polydispersity Index is denoted by PDI symbol.

How to calculate Polydispersity Index for Step-Reaction Polymers using this online calculator? To use this online calculator for Polydispersity Index for Step-Reaction Polymers, enter Weight-Average Molecular Weight (M_w) & Number-Average Molecular Weight (M_n) and hit the calculate button. Here is how the Polydispersity Index for Step-Reaction Polymers calculation can be explained with given input values -> 1.229782 = 0.02874/0.02337.

FAQ

What is Polydispersity Index for Step-Reaction Polymers?

The Polydispersity Index for Step-Reaction Polymers formula is defined as the ratio of weight to number-average molecular masses. PDI is used to indicate the distribution of polymer chain molecular weights in a given polymer and is represented as PDI = M_w/M_n or Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight. The Weight-Average Molecular Weight measuring system includes the mass of individual chains, which contributes to the overall molecular weight of the polymer & The Number-Average Molecular Weight is a measuring system that requires counting the total number of molecules in a unit mass of polymer irrespective of their shape or size.

How to calculate Polydispersity Index for Step-Reaction Polymers?

The Polydispersity Index for Step-Reaction Polymers formula is defined as the ratio of weight to number-average molecular masses. PDI is used to indicate the distribution of polymer chain molecular weights in a given polymer is calculated using Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight. To calculate Polydispersity Index for Step-Reaction Polymers, you need Weight-Average Molecular Weight (M_w) & Number-Average Molecular Weight (M_n). With our tool, you need to enter the respective value for Weight-Average Molecular Weight & Number-Average Molecular Weight and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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