Process for intimately blending thermoplastic resins with additi

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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203 95, 203 96, 260824R, 260873, 260876R, C08L 8304

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active

041536398

ABSTRACT:
A method is provided for uniformly blending thermoplastic resins and additives and for recovering them in a particulate form. The resin and normally difficult to compound additive, e.g., a silicone gum, are mixed into a liquid medium having a component which vaporizes readily. The liquid medium is then contacted with flowing live steam in a conduit and the mixture is fed into a closed chamber from which the superheated, vaporized liquid components and steam are removed overhead and in which the blended product forms particles. The particulate product is then collected.

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patent: 3941664 (1976-03-01), Scoggin

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