Elementis Specialties, Inc.

Daphne Benderly

Wilbur S Mardis

Wouter Ijdo

Steven J Kemnetz

Chunzhao Li

Richard Henderson

A viscosity regulating composition having a polymeric structure with an internal hydrophobic unit located within the polymer's backbone, multiple hydrophilic units, and terminal hydrophobic units. In one embodiment, the internal hydrophobic unit may have at least three linked hydrophobic segments, of the same or different hydrophobic segments, with the proviso that the multiple hydrophobic segments are not linked to each other by one or more hydrophilic linking segments, for example water-soluble, polymeric groups.

Viscosity regulating composition

A method for determining degree of organoclay delamination and degree of layer alignment in a polymer organoclay nanocomposite comprising one or more infrared light spectral measurements selected from the group consisting of (A) Si&#x2014;O absorption bandwidth, (B) Si&#x2014;O absorption band intensity, (C) Si&#x2014;O absorption band area, and (D) Si&#x2014;O absorption anisotropy.

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Metuchen, NJ, United States of America

Daphne Benderly