Thixotropic organoclay additive for highly viscous systems

Details Thixotropic organoclay additive for highly viscous systems Thixotropic organoclay additive for highly viscous systems

C - Chemistry, Metallurgy

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B

C01B 33/40 (2006.01) C01B 33/44 (2006.01) C07F 7/02 (2006.01) C08K 9/04 (2006.01) C08L 95/00 (2006.01) C09D 195/00 (2006.01)

Patent

CA 2129949

Improved organophilic clay gellants for highly viscous systems such as asphalt and creosote can be prepared by a process wherein the smectite-type clay is gently dried and/or subjected to minimum or no grinding. The organophilic clay agent may be used to thicken a variety of organic compositions including pitch and heavy resins. In a preferred aspect, the organophilic clay gellant can be directly added to asphalt systems in order to efficiently and effectively modify the viscosity thereof without the use of either a polar activator as a dispersion agent or a preactivation agent.

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