Photochemistry in polymerized microemulsion systems

Atik, S. S.; Thomas, Jacqueline

doi:10.1021/ja00386a003

Cited by 69 publications

(25 citation statements)

References 7 publications

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“…This allows us to distinguish among the following three situations: (i) The distribution of the quencher is "frozen" on the time scale of the fluorescence, that is, the residence time of the quencher in the micelles is much longer than the probe fluorescence lifetime. Such case is found to be in accordance with pyrene excimer formation (13,14) or the quenching of pyrene fluorescence by cetylpyridinium ions (15,17).…”

Section: Fluorescence Quenching In Micellessupporting

confidence: 56%

See 1 more Smart Citation

Dynamics of Fluorescence Quenching of Pyrene in Novel Micelles of the Zwitterionic Betaine SurfactantN-(3-Dodecyloxy-2-hydroxypropyl)-N,N-dimethylglycine

Guan

Tung

1998

Journal of Colloid and Interface Science

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Section: Fluorescence Quenching In Micellessupporting

confidence: 56%

“…Prior to this work, several groups (1, 19) had investigated the dependence of k -on surfactant concentration, and an additional quenching process, hopping (Eq. [15]), was suggested (23):…”

Section: Micellar Exit Rate Of Iodide Ionsmentioning

confidence: 98%

Dynamics of Fluorescence Quenching of Pyrene in Novel Micelles of the Zwitterionic Betaine SurfactantN-(3-Dodecyloxy-2-hydroxypropyl)-N,N-dimethylglycine

Guan

Tung

1998

Journal of Colloid and Interface Science

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“…Although emulsion polymerization has been extensively studied over the past 50 years, microemulsion polymerization has only received attention since about 1980 [1][2][3][4]. The interest in such polymerization reactions is twofold.…”

Section: Introductionmentioning

confidence: 99%

Polymerization of acrylamide in nonionic microemulsions: Characterization of the microlatices and polymers formed

Holtzscherer

Durand

Candau

1987

Colloid & Polymer Sci

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Free radical polymerization of acrylamide was carried out in nonionic microemulsions of water, an isoparaffinic oil, Isopar M and a blend of nonionic emulsifiers: a sorbitan sesquioleate and a polyoxyethylene sorbitol hexaoleate (HLB of the mixture: 9.3). The size and the stability of the latex particles formed after polymerization were studied as a function of monomer, emulsifier and electrolyte concentration. High emulsifier and high monomer contents favor obtaining high molecular weight polyacrylamides. It is shown that both the number of polymer chains contained in each latex particle and the size of the particles are essentially controlled by the acrylamide/emulsifier weight ratio.

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“…Ugelstad and Mork [352] reported on new diffusion methods for the preparation of emulsions and polymer dispersions where the size and distribution of the latex particles were monitored by very simple optical, SEM and TEM methods. A microemulsion polymerization has been reported for the first time [353] with 265 spherical latex particles produced about 20-40 nm in diameter.…”

Section: Latexesmentioning

confidence: 99%