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    • 4. 发明申请
    • PROCESS FOR PRODUCING FINELY DIVIDED SUSPENSIONS BY MELT EMULSIFICATION
    • 通过熔融乳化生产精细分离悬浮液的方法
    • US20110275738A1
    • 2011-11-10
    • US13100500
    • 2011-05-04
    • Robert ENGELThomas DannerBernd SachwehSonja JudatAndreas BauderNikolai DenkovSlavka Tcholakova
    • Robert ENGELThomas DannerBernd SachwehSonja JudatAndreas BauderNikolai DenkovSlavka Tcholakova
    • C08J3/22C09K3/00
    • C08J3/05B01F3/0811B01F3/0815B01F3/2215B01F7/0075B01F2003/0842B01F2003/0849B01F2215/0431B01F2215/0472C08J3/11
    • The invention relates to a process for the preparation of finely divided suspensions by melt emulsification, comprising at least one substance with a melting temperature above room temperature, comprising the following steps:(a) passing at least one preemulsion, comprising one continuous phase and one disperse phase, to a rotor-stator machine, a rotor-rotor machine or to a continuous and/or disperse phase;(b) optionally adding one or more further components to the at least one preemulsion in the rotor-stator machine;(c) emulsifying the at least one preemulsion with mechanical shear and/or elongation and/or turbulence at a temperature which is at most 10 K above the melting temperature of the at least one substance with a melting temperature above room temperature, or at a temperature which is at least 10 K below and at most 10 K above the glass transition temperature or the melting temperature, if the substance with a melting temperature above room temperature is a polymer, for producing a finely divided emulsion;(d) cooling the finely divided emulsion to produce a finely divided suspension;where the disperse phase fraction at least in step (c) is in the range from 85% to 99.5%.
    • 本发明涉及通过熔融乳化制备细碎悬浮液的方法,其包括至少一种熔点在室温以上的物质,其包括以下步骤:(a)使至少一种预乳液通过包含一个连续相和一个 分散相,转子 - 定子机,转子 - 转子机器或连续和/或分散相; (b)任选地将一种或多种另外的组分添加到转子 - 定子机器中的至少一种预乳液中; (c)使机体剪切和/或伸长和/或湍流乳化至少一种预乳液,其温度至少高于高于室温的熔融温度的至少一种物质的熔融温度高于10K,或者在 如果熔融温度高于室温的物质是聚合物,则在高于玻璃化转变温度或熔融温度的情况下至少10K以下至多10K的温度,用于制造细分乳液; (d)冷却细碎的乳液以产生细碎的悬浮液; 其中至少在步骤(c)中的分散相分数在85%至99.5%的范围内。