The lognormal and gamma distribution models for estimating molecular weight distributions of polymers using PGSE NMR
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- 作者：Nathan H. Williamsona ; nathan.williamson@mymail.unisa.edu.au" class="auth_mail" title="E-mail the corresponding author ; Magnus Nydé ; na ; b ; m.nyden@ucl.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Magnus Rö ; dinga ; b ; c ; magnus.roding@sp.se" class="auth_mail" title="E-mail the corresponding author
- 关键词：Pulsed gradient spin echo NMR ; Molecular weight distribution ; Self-diffusion ; Scaling law ; Lognormal distribution ; Gamma distribution ; Polydispersity
- 刊名：Journal of Magnetic Resonance
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：267
- 期：Complete
- 页码：54-62
- 全文大小：825 K
文摘
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We estimate molecular weight distributions of polymers using PGSE NMR.
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The lognormal distribution model and gamma distribution model is covered.
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NMR is a useful technique complementary to for example gel permeation chromatography.