Multiangle Light Scattering and Viscometric Detector for Size-Exclusion Chromatography

Busnel, Jean‐Pierre; Degoulet, Christophe; Nicolai, Taco; Woodley, William; Patin, Patrick

doi:10.1051/jp3:1995207

Cited by 5 publications

(6 citation statements)

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“…The samples were characterized using size exclusion chromatography (SEC) with on-line light scattering detection. The SEC equipment has been described in detail elsewhere . We have used two sets of columns: Polymer Laboratories MIX-C 5 μm, 600 × 7.5 mm and E-lin 10 μm and MIX-B 10 μm, each 600 × 7.5 mm.…”

Section: Methodsmentioning

confidence: 99%

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Dynamics of Poly(propylene sulfide) Studied by Dynamic Mechanical Measurements and Dielectric Spectroscopy

1999

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Dynamical properties of bulk poly(propylene sulfide) (PPS) were investigated for a range of molar masses between 600 and 50 000 g/mol. The primary and secondary relaxation (α-relaxation and β-relaxation) were studied using dielectric spectroscopy. The local segmental relaxation (α-relaxation) and the chain backbone conformational relaxation were studied using dynamic mechanical measurements. The dynamical properties of PPS are compared to those of poly(propylene oxide) (PPO) and are shown to be very similar. However, the glass transition temperature of PPS decreases strongly for low molar masses, while for PPO it is almost independent of the molar mass down to 400 g/mol.

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Section: Methodsmentioning

confidence: 99%

“…The SEC equipment has been described in detail elsewhere. 20 We have used two sets of columns: Polymer Laboratories MIX-C 5 µm, 600 × 7.5 mm and E-lin 10 µm and MIX-B 10 µm, each 600 × 7.5 mm. The elution liquid is THF using a flow rate of 1 mL/min.…”

Section: Methodsmentioning

confidence: 99%

Dynamics of Poly(propylene sulfide) Studied by Dynamic Mechanical Measurements and Dielectric Spectroscopy

1999

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“…Molecular determinations have been carried out at room temperature in tetrahydrofuran with a classical analytical SEC apparatus coupled to a multiangle light scattering recently developed in the University du Maine (France). 18 The light scattering average molecular weights (Mw) and molecular weight distribution values (MJMn) are reported in Table 1 as well as sample references used in this work.…”

Section: Methodsmentioning

confidence: 99%

Time-temperature superposition and linear viscoelasticity of polybutadienes

Palade¹,

Verney²,

Attané³

1995

Macromolecules

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A series of monodisperse polybutadienes has been used to perform mechanical relaxation measurements from the flow regime to the glassy state. Results on loss shear moduli have been analyzed within the framework of a coupling model. It has been found to represent well the frequency dependence in the glassy and terminal zones using a segmental motion coupling parameter Pa and an entanglement coupling parameter Pv. Moreover, our results on apparent shift factors resulting from time-temperature superposition are consistent with the lack of thermorheological simplicity predicted by the coupling theory due to the difference between pa and &. ,

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“…The incremental refractive index of the sample, ∂n/∂c, was determined to be equal to 0.146 according to the method previously described (Busnel et al, 1995). Number-average (M n ) and weight-average (M w ) molar mass, polydispersity (PDI) as well as the weight-average radius of gyration (R Gw ) were determined from the respective distributions obtained from light scattering measurement, according to:…”

Section: Size and Molar Mass Distribution Of Epsmentioning

confidence: 99%

Exopolysaccharides produced by bacteria isolated from the pelagic Southern Ocean — Role in Fe binding, chemical reactivity, and bioavailability

et al. 2011

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Multiangle Light Scattering and Viscometric Detector for Size-Exclusion Chromatography

Cited by 5 publications

References 1 publication

Dynamics of Poly(propylene sulfide) Studied by Dynamic Mechanical Measurements and Dielectric Spectroscopy

Dynamics of Poly(propylene sulfide) Studied by Dynamic Mechanical Measurements and Dielectric Spectroscopy

Time-temperature superposition and linear viscoelasticity of polybutadienes

Exopolysaccharides produced by bacteria isolated from the pelagic Southern Ocean — Role in Fe binding, chemical reactivity, and bioavailability

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