Aqueous dispersion, its production method, and its use

Details Aqueous dispersion, its production method, and its use Aqueous dispersion, its production method, and its use

C - Chemistry, Metallurgy

08

L

C08L 23/16 (2006.01) C08L 33/02 (2006.01)

Patent

CA 2536315

Aqueous dispersions including at least one thermoplastic resin; at least one dispersing agent; and water; wherein the dispersion has a pH of less than 12 are disclosed along with dispersions including at least one thermoplastic resin; at least one dispersing agent; and water wherein the dispersion has a volume average particle size of less than about 5 µm. Some dispersions include less than about 4 percent by weight of the dispersing agent based on the weight of the thermoplastic resin. Other dispersions include at least one propylene-rich alpha-olefin interpolymer; at least one dispersing agent; and water. Methods of making such dispersions are also described.

Cette invention porte sur des dispersions aqueuses comprenant au moins une résine thermoplastique; au moins un agent dispersant; et de l'eau, lesquelles dispersions présentent un pH inférieur à 12, ainsi que sur des dispersions comprenant au moins une résine thermoplastique; au moins un agent dispersant; et de l'eau, lesquelles dispersions présentent une dimension moyenne des particules en volume inférieure à environ 5 µm. Certaines dispersions comprennent moins de 4 % en poids environ d'agent dispersant par rapport au poids de la résine thermoplastique. D'autres dispersions renferment au moins un interpolymère alpha oléfine riche en propylène; au moins un agent dispersant; et de l'eau. Cette invention concerne en outre des procédés de production de ces dispersions.

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