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1. (WO1998051645) RHEOLOGY MODIFICATION AND MODIFIERS

Pub. No.:    WO/1998/051645    International Application No.:    PCT/AU1998/000353
Publication Date: Fri Nov 20 00:59:59 CET 1998 International Filing Date: Sat May 16 01:59:59 CEST 1998
IPC: C06B 23/00
C06B 47/14
Applicants: ORICA AUSTRALIA PTY. LTD.
BIGGS, Simon, Richard
CLEARY, Jennifer, Liane
PALMER, Anthony, Martin
SMITH, Jeremy, Guy, Breakwell
Inventors: BIGGS, Simon, Richard
CLEARY, Jennifer, Liane
PALMER, Anthony, Martin
SMITH, Jeremy, Guy, Breakwell
Title: RHEOLOGY MODIFICATION AND MODIFIERS
Abstract:
We have now found that associative thickeners may be used in emulsions for use in explosive compositions, which associative thickeners provide for rapid and reversible changes in emulsion viscosity. Associative thickeners provide explosives emulsions having the desirable characteristics of (1) significant reduction in viscosity during pumping and (2) reestablishment of relatively high viscosity when pumping is terminated without damage to the emulsion components. It is believed that the associative thickener provides a network of physical linkages throughout the emulsion which network can be reversibly broken down.