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    • 5. 发明申请
    • A SPRAY-DRYING PROCESS
    • 喷雾干燥过程
    • WO2009158221A1
    • 2009-12-30
    • PCT/US2009/047298
    • 2009-06-15
    • THE PROCTER & GAMBLE COMPANYTANTAWY, Hossam, HassanSOMERVILLE ROBERTS, Nigel, PatrickHOWE, SimonCALDWELL, Stuart, Andrew
    • TANTAWY, Hossam, HassanSOMERVILLE ROBERTS, Nigel, PatrickHOWE, SimonCALDWELL, Stuart, Andrew
    • C11D11/02C11D11/04
    • C11D11/04C11D11/02
    • The present invention relates to a process for preparing a spray-dried powder comprising (i) anionic detersive surfactant; (ii) from 0 wt% to 10 wt% zeolite builder; (iii) from 0 wt% to 10 wt% phosphate builder; and (iv) optionally from 0 wt% to 15 wt% silicate salt; wherein the process comprises the steps of : (a) forming an alkaline slurry in a mixer, the slurry having a viscosity of from 0.5 to 50.0 Pas at a temperature of 70 °C and at a shear rate of 50 s-1, wherein the alkaline slurry is shear thinning; and (b) transferring the alkaline slurry from the mixer through at least one pump to a spray pressure nozzle; (c) contacting a viscosity increasing agent to the alkaline slurry after the mixer and before the spray pressure nozzle so as to increase the viscosity of the alkaline slurry to form a viscous alkaline slurry, step (c) being carried out at an average shear rate of from 10 s-1 to 150 s-1; (d) spraying the viscous alkaline slurry through the spray pressure nozzle into a spray-drying tower; (e) spray-drying the viscous alkaline slurry to form a spray-dried powder; and (f) optionally, contacting an alkalinity source with the alkaline slurry and/or the viscosity increasing agent, and/or the viscous alkaline slurry.
    • 本发明涉及一种制备喷雾干燥粉末的方法,包括(i)阴离子去污表面活性剂; (ii)0重量%至10重量%的沸石助洗剂; (iii)0重量%至10重量%的磷酸盐助洗剂; 和(iv)任选的0重量%至15重量%的硅酸盐; 其中所述方法包括以下步骤:(a)在混合器中形成碱性浆料,所述浆料在70℃的温度和50s -1的剪切速率下具有0.5至50.0Pas的粘度,其中 碱性浆料是剪切稀化; 和(b)将来自混合器的碱性浆料通过至少一个泵转移到喷雾压力喷嘴; (c)在混合器之后和喷雾压力喷嘴之前使粘度增加剂与碱性浆料接触,以增加碱性浆料的粘度以形成粘性碱性浆料,步骤(c)以平均剪切速率 为10秒-1至150秒-1; (d)将粘性碱性浆料通过喷雾压力喷嘴喷射到喷雾干燥塔中; (e)喷雾干燥粘性碱性浆料以形成喷雾干燥的粉末; 和(f)任选地,使碱度源与碱性浆料和/或增粘剂和/或粘性碱性浆液接触。
    • 10. 发明申请
    • CONTINUOUS PROCESS FOR MAKING A LAUNDRY DETERGENT COMPOSITION
    • 连续清洗洗涤剂组合物的方法
    • WO2011005803A1
    • 2011-01-13
    • PCT/US2010/041118
    • 2010-07-07
    • THE PROCTER & GAMBLE COMPANYSOMERVILLE ROBERTS, Nigel, PatrickTANTAWY, Hossam, Hassan
    • SOMERVILLE ROBERTS, Nigel, PatrickTANTAWY, Hossam, Hassan
    • C11D11/00
    • C11D11/00
    • The present invention relates to a continuous process for making a solid particulate laundry detergent composition comprising the steps of: (a) forming a soft surfactant particle having a cake strength of from about 30N to about 200N; and (b) contacting said soft surfactant particle with a free-flowing heterogeneous particulate mixture comprising multiple chemically distinct detergent particle populations, wherein said free-flowing heterogeneous particulate mixture has a cake strength of from about 0N to about 20N, wherein said free-flowing heterogeneous particulate mixture has a weight average particle size of from about 50 micrometers to 2000 micrometers, and wherein the ratio of (i) the cake strength of the soft surfactant particle in N to (ii) the time between step (a) and step (b) in minutes is in the range of from 6Nmin -1 to 2000Nmin -1 .
    • 本发明涉及一种制备固体颗粒洗衣洗涤剂组合物的连续方法,包括以下步骤:(a)形成饼状强度为约30N至约200N的软表面活性剂颗粒; 和(b)使所述软表面活性剂颗粒与包含多个化学不同的洗涤剂颗粒群的自由流动的异质颗粒混合物接触,其中所述自由流动的非均匀颗粒混合物的滤饼强度为约0N至约20N,其中所述自由流动 非均相颗粒混合物的重均粒径为约50微米至2000微米,其中(i)软表面活性剂颗粒在N中的滤饼强度与(ii)步骤(a)和步骤( b)在几分钟内在6Nmin-1至2000Nmin-1的范围内。