A HYBRID POLYMER GEL AND ITS STATIC NONERGODICITY*

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A HYBRID POLYMER GEL AND ITS STATIC NONERGODICITY*

Papers | Updated：2021-06-21

- A HYBRID POLYMER GEL AND ITS STATIC NONERGODICITY*
- Vol. 20, Issue 3, Pages: 269-274(2002)
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- Published：20 June 2002
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A HYBRID POLYMER GEL AND ITS STATIC NONERGODICITY*[J]. 2002, 20(3): 269-274.
DOI：

A HYBRID POLYMER GEL AND ITS STATIC NONERGODICITY*[J]. 2002, 20(3): 269-274. DOI：

摘要

We used a thermally reversible hybrid gel made of billions of physically jam-packed swollen thermally sensitivepoly(N-isopropyl-acrylamide) chemical microgels. Laser light scattering study on a series of such hybrid gels formed atdifferent gelling rates and temperatures revealed that the position-dependence of the scattering speckle pattern(staticnonergodicity) came from large voids formed during the sol-gel transition. With a proper preparation

such a nonergodicity could be completely removed indicating that the static nonergodicity generally observed in a gel is not intrinsic

but comes from the clustering"island" structure formed during the gelation process.

Abstract

such a nonergodicity could be completely removed indicating that the static nonergodicity generally observed in a gel is not intrinsic

but comes from the clustering"island" structure formed during the gelation process.

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