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    • 2. 发明申请
    • CYLINDRICAL MEMBRANE APPARATUS FOR FORMING FOAM
    • 用于形成泡沫的圆柱形膜装置
    • WO2008009623A1
    • 2008-01-24
    • PCT/EP2007/057191
    • 2007-07-12
    • NESTEC S.A.WINDHAB, Erich JosefMÜLLER-FISCHER, Nadina PatriziaTAPFER, Karl Uwe
    • WINDHAB, Erich JosefMÜLLER-FISCHER, Nadina PatriziaTAPFER, Karl Uwe
    • B01F3/04B01F5/04B01F7/00
    • B01F3/04269B01F3/04453B01F5/0451B01F5/0476B01F7/008B01F7/00816B01F7/12B01F2003/04404B01F2215/0021
    • An apparatus and process for making a foam having a controlled size distribution of gas bubbles in a liquid matrix. The invention utilizes a porous material having a controlled pore size and pore distance to produce a substantially uniform size distribution of gas bubbles; a gas pumping device for directing a flow of gas to and through the porous material to form the gas bubbles; a fluid pumping device for directing a flow of liquid matrix past the porous material and a rotating element moving in the vicinity of the membrane surface causing an additional flow to detach, collect accumulate and entrain the gas bubbles in the liquid matrix to form a foam having gas bubbles of generally uniform size and a substantially uniform gas bubble size distribution. Advantageously, the pore size and pore distance of the porous material, the gas flow from the gas pumping device, the flow field generated by the rotating element and the liquid flow from the fluid pumping device cooperate to provide gas bubbles having a mean diameter X 50,0 that is less than 2-2.5 times, preferably les than 1.25-1.5 times the mean pore diameter of the membrane and to provide the foam with a gas bubble diameter distribution ratio X 90,0 / X 10,0 th at is less than 5, preferably less than 3.
    • 一种用于制造泡沫的装置和方法,其具有在液体基质中气泡的可控尺寸分布。 本发明利用具有受控孔径和孔距离的多孔材料来产生基本均匀的气泡尺寸分布; 用于将气体流引导到多孔材料并通过多孔材料以形成气泡的气体抽吸装置; 用于引导液体基质流过多孔材料的流体泵送装置和在膜表面附近移动的旋转元件,引起额外的流动分离,收集积聚并将气泡夹带在液体基质中以形成具有 气泡尺寸大致均匀,气泡尺寸分布基本均匀。 有利地,多孔材料的孔径和孔隙距离,来自气体抽吸装置的气体流量,由旋转元件产生的流场和来自流体泵送装置的液体流动相配合,以提供具有平均直径X < 小于等于膜的平均孔径的2-2.5倍,优选小于平均孔径的1.25-1.5倍,并且为气泡直径分布比X 90提供泡沫, 0 10 小于5,优选小于3。
    • 4. 发明申请
    • PRODUCTS CONTAINING SMART FOAM AND METHOD OF MAKING
    • 含有智能泡沫的产品及其制备方法
    • WO2008009617A1
    • 2008-01-24
    • PCT/EP2007/057175
    • 2007-07-12
    • NESTEC S.A.TAPFER, Karl UweWINDHAB, Erich Josef
    • TAPFER, Karl UweWINDHAB, Erich Josef
    • A23L1/00A61K8/04A61K9/12A61Q19/00A23G9/46
    • A61K9/122A23G9/46A23L2/52A23L23/00A23P30/40
    • A foamed delivery system having at least two components: a foam and an additive that is associated with, carried by or delivered by the foam. The foam is a stable foam that has a liquid matrix, gas bubbles and a structuring agent that forms a lamellar or vesicular cage structure without generating a gel imparting a rubbery texture. The lamellar cage structure entraps at least a substantial portion of the gas bubbles and liquid matrix therein to retain the gas bubbles and liquid in a sufficiently compact structure that substantially prevents drainage of the liquid matrix and coalescence and creaming of the gas bubbles to maintain stability of the foam even when the foam is subjected to heat shock. Combined with the stable foam structure the distribution and release of the additive during application is significantly improved.
    • 具有至少两个组分的发泡递送系统:泡沫和与泡沫相关联或由泡沫输送的添加剂。 泡沫是具有液体基质,气泡和结构化剂的稳定的泡沫,其形成层状或囊状笼状结构,而不产生赋予橡胶质地的凝胶。 层状笼状结构将至少大部分的气泡和液体基质夹在其中,以将气泡和液体保持在足够紧密的结构中,从而基本上防止液体基质的排出和气泡的聚结和乳化,以保持气泡和液体的稳定性 泡沫即使泡沫受到热冲击也是如此。 结合稳定的泡沫结构,添加剂在使用过程中的分布和释放显着提高。