Self-dispersing waxes as polymer suspension aids

Details Self-dispersing waxes as polymer suspension aids Self-dispersing waxes as polymer suspension aids

C - Chemistry, Metallurgy

08

K

C08K 5/05 (2006.01) C08L 91/06 (2006.01)

Patent

CA 2647085

Polymer particles of ultrahigh molecular weight poly(alpha-olefins) may be made stable toward agglomeration by suspension within a co-suspension of self-dispersing waxes. This combination prevents polymer agglomeration over time while maintaining good flowability properties. Such materials, ultimately used as pipeline additives to reduce the fluid drag and increase the volumetric throughput, may be shipped and stored for extended periods of time without irreversible loss of the suspension stability.

Des particules polymères de poly(alpha-oléfines) de masse moléculaire ultra-élevée peuvent être stabilisées vis-à-vis de l'agglomération par suspension avec une co-suspension de cires auto-dispersantes. Cette combinaison empêche l'agglomération des polymères au cours du temps tout en maintenant une fluidité satisfaisante. De tels matériaux, employés en tant qu'adjuvants pour pipeline afin de réduire le ralentissement du fluide et augmenter le débit volumique, peuvent être transportés et stockés pendant des durées importantes sans perte irréversible de la stabilité de la suspension.

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