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    • 1. 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。
    • 2. 发明申请
    • A SPRAY-DRYING PROCESS
    • 喷雾干燥过程
    • WO2009158449A1
    • 2009-12-30
    • PCT/US2009/048559
    • 2009-06-25
    • THE PROCTER & GAMBLE COMPANYTANTAWY, Hossam, HassanSOMERVILLE ROBERTS, Nigel, PatrickHOWE, SimonCALDWELL, Stuart, Andrew
    • TANTAWY, Hossam, HassanSOMERVILLE ROBERTS, Nigel, PatrickHOWE, SimonCALDWELL, Stuart, Andrew
    • C11D11/02C11D11/04
    • C11D11/02C11D11/04
    • The present invention relates to a process for preparing a spray-dried powder comprising (i) anionic detersive surfactant; (ii) from 0wt% to 10wt% zeolite builder; (iii) from 0wt% to 10wt% phosphate builder; and (iv) optionally from 0wt% to 15wt% silicate salt; wherein the process comprises the steps of: (a) forming an alkaline slurry in a mixer, the slurry comprising: (v) from 0wt% to 15wt% anionic detersive surfactant; (vi) from 0wt% to 35wt% water; and (b) transferring the alkaline slurry from the mixer through at least one pump to a spray pressure nozzle; (c) contacting an acid anionic detersive surfactant precursor to the alkaline slurry after the mixer and before the spray pressure nozzle to form a mixture; (d) spraying the mixture through the spray pressure nozzle into a spray-drying tower; (e) spray-drying the mixture to form a spray-dried powder; and (f) optionally, contacting an alkalinity source with the alkaline slurry and/or the acid anionic detersive surfactant precursor, and/or the mixture.
    • 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,所述浆料包含:(v)0重量%至15重量%的阴离子去污表面活性剂; (vi)0wt%至35wt%的水; 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酸性阴离子去污表面活性剂前体与碱性浆料接触以形成混合物; (d)通过喷雾压力喷嘴将混合物喷入喷雾干燥塔; (e)喷雾干燥该混合物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/或酸性阴离子去污表面活性剂前体和/或混合物接触。
    • 6. 发明申请
    • DETERGENT PARTICLES
    • 洗涤颗粒
    • WO2005047442A1
    • 2005-05-26
    • PCT/US2004/037262
    • 2004-11-09
    • THE PROCTER & GAMBLE COMPANYCALDWELL, Stuart, AndrewTURNBULL, Nicholas, Alexander
    • CALDWELL, Stuart, AndrewTURNBULL, Nicholas, Alexander
    • C11D3/12
    • C11D3/046C11D3/128C11D3/3761C11D11/02
    • The present invention relates to a method for making a laundry detergent particle comprising from 10 to 60 wt % (anhydrous basis) zeolite, from 12 to 75 wt % polycarboxylate polymer, and optional additional ingredients to 100 % by weight, said method comprising preparing an aqueous slurry comprising zeolite, and polycarboxylate polymer and optional additional ingredients and spray drying the slurry. The weight ratio of zeolite (anhydrous basis) to polycarboxylate polymer in the slurry is from 4:1 to 1:2. The particles have been found to reduce caking of detergent product whilst providing improved cleaning compared with the addition of the polycarboxylate polymer as a separate granule. The invention also includes detergent compositions comprising such particles. The particles may be incorporated into a finished detergent composition as part of an agglomerate or extrudate.
    • 本发明涉及一种制备衣物洗涤剂颗粒的方法,所述洗涤剂洗涤剂颗粒包含10至60重量%(无水基)沸石,12至75重量%多羧酸盐聚合物和任选的附加成分至100重量%,所述方法包括制备 包含沸石的含水浆料和聚羧酸酯聚合物和任选的附加成分并喷雾干燥浆料。 沸石(无水基)与浆料中多羧酸盐聚合物的重量比为4:1至1:2。 已经发现,与作为单独颗粒添加聚羧酸酯聚合物相比,已经发现这些颗粒减少洗涤剂产品的结块,同时提供改进的清洁。 本发明还包括包含这种颗粒的洗涤剂组合物。 颗粒可以作为附聚物或挤出物的一部分掺入成品洗涤剂组合物中。