Monomer consumption rates during gelation at various temperatures: A fast transient fluorescence study

Ö Pekcan; D. Kaya

doi:10.1002/app.1768

Monomer consumption rates during gelation at various temperatures: A fast transient fluorescence study

Ö Pekcan, D. Kaya

Department of Physics Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The gelation during free-radical crosslinking copolymerization (FCC) of methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDM) was studied by using fast transient fluorescence (FTRF) technique. Pyrene (Py) was used as a probe for the FTRF experiments. Fluorescence lifetimes of Py from its decay traces were measured and used to monitor the gelation process at various temperatures. MMA consumption rates were measured during gelation process by using the Stern-Volmer model. Gelation activation energy ΔE_G was measured and found to be 15.6 kcal mol^-1.

Original language	English
Pages (from-to)	3161-3168
Number of pages	8
Journal	Journal of Applied Polymer Science
Volume	81
Issue number	13
DOIs	https://doi.org/10.1002/app.1768
Publication status	Published - 23 Sept 2001

Keywords

Fast transient fluorescence
Gelation activation energy
Lifetimes

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10.1002/app.1768

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abstract = "The gelation during free-radical crosslinking copolymerization (FCC) of methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDM) was studied by using fast transient fluorescence (FTRF) technique. Pyrene (Py) was used as a probe for the FTRF experiments. Fluorescence lifetimes of Py from its decay traces were measured and used to monitor the gelation process at various temperatures. MMA consumption rates were measured during gelation process by using the Stern-Volmer model. Gelation activation energy ΔEG was measured and found to be 15.6 kcal mol-1.",

keywords = "Fast transient fluorescence, Gelation activation energy, Lifetimes",

author = "{\"O} Pekcan and D. Kaya",

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AU - Kaya, D.

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N2 - The gelation during free-radical crosslinking copolymerization (FCC) of methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDM) was studied by using fast transient fluorescence (FTRF) technique. Pyrene (Py) was used as a probe for the FTRF experiments. Fluorescence lifetimes of Py from its decay traces were measured and used to monitor the gelation process at various temperatures. MMA consumption rates were measured during gelation process by using the Stern-Volmer model. Gelation activation energy ΔEG was measured and found to be 15.6 kcal mol-1.

AB - The gelation during free-radical crosslinking copolymerization (FCC) of methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDM) was studied by using fast transient fluorescence (FTRF) technique. Pyrene (Py) was used as a probe for the FTRF experiments. Fluorescence lifetimes of Py from its decay traces were measured and used to monitor the gelation process at various temperatures. MMA consumption rates were measured during gelation process by using the Stern-Volmer model. Gelation activation energy ΔEG was measured and found to be 15.6 kcal mol-1.

KW - Fast transient fluorescence

KW - Gelation activation energy

KW - Lifetimes

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EP - 3168

JO - Journal of Applied Polymer Science

JF - Journal of Applied Polymer Science

IS - 13

ER -

Monomer consumption rates during gelation at various temperatures: A fast transient fluorescence study

Abstract

Keywords

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