Weight Average Degree Polymerization Calculator

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Spectrometric Characterization of Polymers

✖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 Weight Average Molecular Weight in Crosslink Site is determined by summing the weights of all the chains between the cross-linkable sites and then dividing by the total number of chains.ⓘ Weight Average Molecular Weight in Crosslink Site [M_c]			+10% -10%

✖Weight Average Degree Polymerization is a weighted mean of the degrees of polymerization, weighted by the weight fractions (or the overall weight of the molecules) of the species.ⓘ Weight Average Degree Polymerization [DP_w]

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Formula

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Weight Average Degree Polymerization

Formula

`"DP"_{"w"} = "M"_{"w"}/"M"_{"c"}`

Example

`"3.193333"="28.74g/mol"/"9g/mol"`

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Weight Average Degree Polymerization Solution

STEP 0: Pre-Calculation Summary

Formula Used

Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site
DP_w = M_w/M_c
This formula uses 3 Variables

Variables Used

Weight Average Degree Polymerization - Weight Average Degree Polymerization is a weighted mean of the degrees of polymerization, weighted by the weight fractions (or the overall weight of the molecules) of the species.
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.
Weight Average Molecular Weight in Crosslink Site - (Measured in Kilogram Per Mole) - The Weight Average Molecular Weight in Crosslink Site is determined by summing the weights of all the chains between the cross-linkable sites and then dividing by the total number of chains.

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)
Weight Average Molecular Weight in Crosslink Site: 9 Gram Per Mole --> 0.009 Kilogram Per Mole (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

DP_w = M_w/M_c --> 0.02874/0.009

Evaluating ... ...

DP_w = 3.19333333333333

STEP 3: Convert Result to Output's Unit

3.19333333333333 --> No Conversion Required

FINAL ANSWER

3.19333333333333 ≈ 3.193333 <-- Weight Average Degree Polymerization

(Calculation completed in 00.004 seconds)

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Home » Chemistry » Polymer Chemistry » Step-wise Polymerization » Weight Average Degree Polymerization

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Amity Institute Of Applied Sciences (AIAS, Amity University), Noida, India

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< 14 Step-wise Polymerization Calculators

Orientation Time of Polymer

Go Orientation Time = Pre-Exponential Factor*(exp(Activation Energy/([R]*Temperature)))

Flory-Huggins Interaction Parameter

Go Flory-Huggins Interaction Parameter = (Lattice Coordination Number*Change in Enthalpy)/([R]*Temperature)

Weight Average Degree Polymerization

Go Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site

Sample Area given Resistivity

Go Sample Area = Specific Resistance*(Thickness of Sample/Resistance)

Specific Resistance of Pellet

Go Specific Resistance = Resistance*(Pellet Area/Pellet Thickness)

Solubility Parameter given Heat of Vaporization for Nonpolar Solvents

Go Solubility Parameter = sqrt(Heat of Vaporization/Volume)

Melting Temperature of Polymer

Go Melting Temperature of Polymer = Enthalpy Change in Melting/Entropy Change in Melting

Enthalpy Change in Melting

Go Enthalpy Change in Melting = Entropy Change in Melting*Melting Temperature of Polymer

Entropy Change in Melting

Go Entropy Change in Melting = Enthalpy Change in Melting/Melting Temperature of Polymer

Total Volume of Polymer Sample

Go Total Volume of Polymer Sample = Volume Occupied by Polymer Molecules+Free Volume

Free Volume in Polymer System

Go Free Volume = Total Volume of Polymer Sample-Volume Occupied by Polymer Molecules

Volume Occupied by Polymer

Go Volume Occupied by Polymer Molecules = Total Volume of Polymer Sample-Free Volume

Heat of vaporization given Solubility Parameter

Go Heat of Vaporization = (Solubility Parameter)^2*Volume

Volume given Solubility Parameter

Go Volume = Heat of Vaporization/(Solubility Parameter)^2

Weight Average Degree Polymerization Formula

Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site
DP_w = M_w/M_c

What is degree of polymerization?

The degree of polymerization (DP or Xn) is defined as the number of monomer units in the polymer. It is calculated as the ratio of molecular weight of a polymer and molecular weight of the repeat unit. Number average DP and weight average DP are the two main types used for measuring the DP.

How to Calculate Weight Average Degree Polymerization?

Weight Average Degree Polymerization calculator uses Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site to calculate the Weight Average Degree Polymerization, The Weight Average Degree Polymerization formula is defined as a weighted mean of the degrees of polymerization, weighted by the weight fractions (or the overall weight of the molecules) of the species. Weight Average Degree Polymerization is denoted by DP_w symbol.

How to calculate Weight Average Degree Polymerization using this online calculator? To use this online calculator for Weight Average Degree Polymerization, enter Weight-Average Molecular Weight (M_w) & Weight Average Molecular Weight in Crosslink Site (M_c) and hit the calculate button. Here is how the Weight Average Degree Polymerization calculation can be explained with given input values -> 3.193333 = 0.02874/0.009.

FAQ

What is Weight Average Degree Polymerization?

The Weight Average Degree Polymerization formula is defined as a weighted mean of the degrees of polymerization, weighted by the weight fractions (or the overall weight of the molecules) of the species and is represented as DP_w = M_w/M_c or Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site. The Weight-Average Molecular Weight measuring system includes the mass of individual chains, which contributes to the overall molecular weight of the polymer & The Weight Average Molecular Weight in Crosslink Site is determined by summing the weights of all the chains between the cross-linkable sites and then dividing by the total number of chains.

How to calculate Weight Average Degree Polymerization?

The Weight Average Degree Polymerization formula is defined as a weighted mean of the degrees of polymerization, weighted by the weight fractions (or the overall weight of the molecules) of the species is calculated using Weight Average Degree Polymerization = Weight-Average Molecular Weight/Weight Average Molecular Weight in Crosslink Site. To calculate Weight Average Degree Polymerization, you need Weight-Average Molecular Weight (M_w) & Weight Average Molecular Weight in Crosslink Site (M_c). With our tool, you need to enter the respective value for Weight-Average Molecular Weight & Weight Average Molecular Weight in Crosslink Site 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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