Chemical Forums

Specialty Chemistry Forums => Materials and Nanochemistry forum => Topic started by: Mattia on September 22, 2012, 06:04:13 AM

Title: Z-average molecular weight
Post by: Mattia on September 22, 2012, 06:04:13 AM

What is the mathematical definition of the z-average molecular weight of a polymer according to Flory distribution?

Title: Re: Z-average molecular weight
Post by: Nicknano88 on November 27, 2012, 06:52:08 PM

I have the same question but what exactly is the flory radius

Title: Re: Z-average molecular weight
Post by: curiouscat on November 28, 2012, 01:13:21 AM

Quote from: Mattia on September 22, 2012, 06:04:13 AM

What is the mathematical definition of the z-average molecular weight of a polymer according to Flory distribution?

Mz here:

(https://www.chemicalforums.com/proxy.php?request=http%3A%2F%2Fupload.wikimedia.org%2Fmath%2Fb%2F0%2F7%2Fb07ba452e18f6adab4cc5a8a35f6b064.png&hash=66ad15ef524b258851078bc23a9325cc3ba3fa4d)

Title: Re: Z-average molecular weight
Post by: dimidola12 on February 13, 2013, 02:34:28 AM

Quote from: Nicknano88 on November 27, 2012, 06:52:08 PM

I have the same question but what exactly is the flory radius

Answer is in curiouscat's reply. Replace M with R (R = radius, N = number).