Rheology of monodisperse latices

Transport characteristics of suspension: VIII. A note on the viscosity of Newtonian suspensions of uniform spherical particles

1. Introduction to colloid science and rheology 2. Hydrodynamic effects 3. Brownian hard spheres 4. Stable colloidal suspensions 5. Non-spherical particles 6. Weakly flocculated suspensions 7. Thixotropy 8. Shear thickening 9. Rheometry of suspensions 10. Suspensions in viscoelastic media 11. Advanced topics.

Colloidal Suspension Rheology

Polymer-Surfactant Interaction: Part I. Uncharged Water-Soluble Polymers and Charged Surfactants

The time-dependent behaviour associated with thixotropy rather than with viscoelasticity is discussed. The evolution of the concept is traced back and a generalized definition is accepted. Subsequently, the various experimental methods are considered with which meaningful measurements of thixotropy can be performed. The specific experimental difficulties encountered with the systems under consideration are treated separately. It is impossible to enumerate all materials that show thixotropy or anti-thixotropy. Instead, they are classified in groups according to their origin or application. The resulting table is used to deduce the characteristics which accompany thixotropic phenomena. This leads to a discussion of the time effects in terms of the molecular or microscopic structure. An attempt is made to provide a systematic outline of the published models and possible constitutive equations for thixotropic materials. Both inelastic and viscoelastic descriptions are included.

Thixotropy - a general review

Rheological properties of monodisperse latex systems I. Concentration dependence of relative viscosity

Disclosed and non-Newtonian thixotropic liquid feed supplements for ruminant animals containing a liquid feed supplement medium, a dispersant-treated clay system, and various soluble and insoluble feed additives. Also disclosed are methods for preparing such supplements and feeding the same to animals.

Thixotropic liquid feed supplements for ruminants of carbohydrates, npn and clay

Substrates of metal, glass, plastic and the like are effectively bonded together with an adhesive composition that is the reaction product of a solution of copolymer of an alkyl ester of an alpha, beta-ethylenically unsaturated carboxylic acid and a hydroxyalkyl ester of an alpha, beta-ethylenically unsaturated carboxylic acid in a polyahl having a molecular weight of 200 or greater such as polypropylene glycol and a low molecular weight polyahl such as ethylene glycol with an organic polyisocyanate such as 4,4'-methylenediphenyl diisocyanate.

Polyurethane-type adhesives containing nonaqueous solutions of acrylate polymers

A stable, aqueous composition comprising an electroconductive resin, e.g., poly (vinylbenzyl trimethyl ammonium chloride), and a latex of an organic polymer stabilized by cationic moiety is applied as a coating to a non-conductive substrate such as paper or a plastic film to provide an article having decreased surface electrical resistivity and increased resistance to organic solvents. Such compositions are particularly useful in the manufacture of electrographic printing papers.

Electroconductive coating composition containing cationic latexes

A disposable flow cell for use in a thermal pulse flow meter of the type that incorporates a pulse heated thermal probe and a detecting thermal probe. The disposable cell has two side ports covered with a stretchable film barrier. The thermal probes extend into the flow cell through the ports stretching the barrier ahead of them so that the probes can transmit and then detect thermal pulses to a fluid flowing through the flow cell while at the same time maintaining isolation between the probes and the fluid. The invention is also a thermal pulse flow meter incorporating the above cell.

Frank L. Saunders

Papers

Rheological properties of monodisperse latex systems I. Concentration dependence of relative viscosity

Thixotropic liquid feed supplements for ruminants of carbohydrates, npn and clay

Polyurethane-type adhesives containing nonaqueous solutions of acrylate polymers

Electroconductive coating composition containing cationic latexes

Thermal pulse flow meter with disposable cell