Photon correlation spectroscopy of atactic polystyrene in the bulk state near T<sub>g</sub>

Lee, H.; Jamieson, A. M.; Simha, Robert

doi:10.1080/00222348008241852

Cited by 19 publications

(3 citation statements)

References 21 publications

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“…The initial evidence for this claim was the misnormalized data of Lee et al:6) Later analysis 45,46) continued to show deviations from a single Williams-Watts form at the shortest times. All this work was carded out with VV polarization.…”

Section: DII Temperature Studies At 1 Barmentioning

confidence: 99%

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Light Scattering from Polymers

Cantow¹,

Burchard²,

Patterson³

1983

Advances in Polymer Science

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The use of photon correlation spectroscopy to study the dynamics of concentration fluctuations in polymer solutions and gels is now well established. In bulk polymers near the glass transition there will be slowly relaxing fluctuations in density and optical anisotropy which can also be studied by this technique. In this article we review the development of the field of photon correlation spectroscopy from bulk polymers. The theory of dynamic light scattering from pure liquids is presented and applied to polymers. The important experimental considerations involved in the collection and analysis of this type of data are discussed. Most of the article focuses on the dynamics of fluctuations near the glass transition in polymers. All the published work in this area is reviewed and the results are critically discussed. The current state of the field is summarized and many suggestions for further work are presented.

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Section: DII Temperature Studies At 1 Barmentioning

confidence: 99%

“…There has been a persistent claim 1~, 45,46) that an additional process is evident at short times in polystyrene. The initial evidence for this claim was the misnormalized data of Lee et al:6) Later analysis 45,46) continued to show deviations from a single Williams-Watts form at the shortest times.…”

Section: DII Temperature Studies At 1 Barmentioning

confidence: 99%

Light Scattering from Polymers

Cantow¹,

Burchard²,

Patterson³

1983

Advances in Polymer Science

View full text Add to dashboard Cite

show abstract

“…Thus, the presence of dynamic light scattering from polystyrene (PS) in the glassy state was ascribed to the secondary relaxation. 14,15 However, due to the very broad relaxation function g(t) it was not possible to analyze the data quantitatively. 15 To obtain meaningful results we should consider a secondary relaxation with a moderate distribution of relaxation times.…”

Section: Introductionmentioning

confidence: 99%