Latex particle heterogeneity and clustering in films

Article Abstract:

The microscopy evidence on particle clustering within self-arrayed poly(styrene-co-acrylamide) (PS-AAM) film, showing that particles with very similar diameter and chemical composition are indeed separated and clustered into differentiated domains are presented. These particles show the sub-populations autosegregate themselves during formation, yielding separated domains of particles with similar characteristics, as determined using the scanning electron microscopy (SEM), atomic force microscopy (AFM), and near-field optical microscopy (SNOM) techniques.

Usage, Polymers, Electric properties, Optical properties, Near field microscopy

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Undulatory delamination of thin polymer films on gold surfaces

Article Abstract:

The formation of traveling waves is examined in the delamination of thin films of polydimethylsilane (PDMS) exposed to methanol using two-dimensional surface plasmon resonance measurements. The stress-induced instability caused by swelling of the PDMS thin films when its edge is pinned to the gold surfaces leads to wrinkle formation and propagation at the interface.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Gold Compounds, Dimethylpolysiloxane

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