Water Soluble Non-Aqueous Suspension Concentrates

NR Pallas; RJ Riedemann

doi:10.1520/STP11338S

SYMPOSIA PAPER Published: 01 January 1996

STP11338S

Water Soluble Non-Aqueous Suspension Concentrates

Source

Herein described is a method for the formulation of highly water soluble materials in a water soluble ‘non-solvent’. The example of potassium nitrate is presented along with data describing the synergy between an ethoxylated / propoxylated block copolymer, a tristyryl phenol ethoxylate, and disodium dodecyl diphenyloxide disulfonate. Data on viscosity, particle size, syneresis, and flowability, before and after aging at room temperature and 50°C for four weeks show a clear region of optimal performance which was verified by use of a simple statistical design of experiment. The concentrate described, with a loading level of 65% by mass, remains f1owable with minimal crystal growth after aging more than one year at room temperature.

Author Information

Pallas, NR

Agricultural Technical Development, Rhône-Poulenc Surfactants and Specialties, Cranbury, NJ

Riedemann, RJ

Agricultural Technical Development, Rhône-Poulenc Surfactants and Specialties, Cranbury, NJ

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Details

Developed by Committee: E35

Pages: 36–50

DOI: 10.1520/STP11338S

ISBN-EB: 978-0-8031-5346-2

ISBN-13: 978-0-8031-2035-8

Water Soluble Non-Aqueous Suspension Concentrates

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