C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 95/00 (2006.01) B01F 17/00 (2006.01)
Patent
CA 2206785
A composition is provided for forming a stable dispersion of insoluble particulate materials in a continuous non-aqueous phase by employing a pro-steric stabilizer to render the dispersion stable and resistant to phase separation. The pro-steric stabilizer permits in-situ stabilization involving the formation of chemical bonds between the stabilizer components and to dispersed phases to form a network surrounding the particles which is compatible with the continuous phase. The invention has particular application for the formation of stabilized polyolefin-modified bitumen compositions for paving and other applications.
Composition permettant de former une dispersion stable de particules insolubles dans une phase continue non aqueuse grâce à un stabilisateur prostérique donnant une dispersion stable et empêchant la séparation phasique. Le stabilisateur prostérique permet la stabilisation in situ grâce à la formation de liaisons chimiques entre les composantes du stabilisateur et les phases dispersées, formant ainsi un réseau autour des particules, compatible avec la phase continue. L'invention a comme application particulière la formation de compositions bitumineuses modifiées par des polyoléfines pour le pavage et pour d'autres utilisations.
Hesp Simon
Liang Zhizhong
Woodhams Raymond T.
Sim & Mcburney
The University Of Toronto Innovations Foundation
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