Fyrirgefning syndanna

Kratz, Henry; Ólafsson, Ólafur Jóhann

doi:10.2307/40148970

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2019

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“…14,31 A number of studies discuss the internal structure of heterogeneously crosslinked microgels. 14,[31][32][33][34][35][36] The colloidal size of the microgel particles enables the detection of the translational diffusion by dynamic light scattering, but prevents direct access to the inner dynamics. To this end, neutron scattering techniques are well-suited.…”

Section: Introductionmentioning

confidence: 99%

A comparison of the network structure and inner dynamics of homogeneously and heterogeneously crosslinked PNIPAM microgels with high crosslinker content

et al. 2019

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Poly(N-isopropylacrylamide) microgel particles were prepared via a ''classical'' surfactant-free precipitation polymerization and a continuous monomer feeding approach. It is anticipated that this yields microgel particles with different internal structures, namely a dense core with a fluffy shell for the classical approach and a more even crosslink distribution in the case of the continuous monomer feeding approach. A thorough structural investigation of the resulting microgels with dynamic light scattering, atomic force microscopy and small angle neutron scattering was conducted and related to neutron spin echo spectroscopy data. In this way a link between structural and dynamic features of the internal polymer network was made.Germany.

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Section: Introductionmentioning

confidence: 99%