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    • 1. 发明授权
    • Process for preparing a spinnable, isotropic cellulose solution
    • 制备可纺,各向同性纤维素溶液的方法
    • US6140497A
    • 2000-10-31
    • US117351
    • 1998-08-06
    • Jan Barend WesterinkMarco YpmaHendrik MaatmanHanueke Boerstoel
    • Jan Barend WesterinkMarco YpmaHendrik MaatmanHanueke Boerstoel
    • C08B1/00D01F2/02D01F2/24C08B5/00
    • D01F2/24C08B1/003D01F2/02
    • A spinnable, isotropic solution containing cellulose, phosphoric acid and/or anhydrides of phosphoric acid and water is prepared by dissolving cellulose in a solvent, the solvent being a homogeneous mixture of water and at least one of phosphoric acid and anhydrides of phosphoric acid such that the solvent contains 72-85 wt. % of phosphorous pentoxide, P.sub.2 O.sub.5. The cellulose is mixed with the solvent in a mixing apparatus, the mixing apparatus having mixers, kneaders or the like, and capable of generating high shearing forces. The solution is converted from anisotropic phase to isotropic phase by the addition of water. The water required to convert the solution to the isotropic phase is added either just prior to, during or after the mixing step. The solvent preferably contains 72-80 wt. % P.sub.2 O.sub.5 and 7-20 wt. % of cellulose, and is used to make hollow fibers, membranes, non-woven films, and other articles requiring the use of cellulose-containing solutions.
    • PCT No.PCT / EP97 / 00460 Sec。 371日期1998年8月6日 102(e)1998年8月6日PCT PCT 1997年1月31日PCT公布。 公开号WO97 / 28298 PCT 日期1997年8月7日通过将纤维素溶解在溶剂中制备含有磷酸和水的纤维素,磷酸和/或酸酐的可旋转的各向同性溶液,所述溶剂是水与磷酸和酸酐中的至少一种的均匀混合物 的磷酸,使得溶剂含有72-85wt。 五氧化二磷,P2O5%。 在混合装置中将纤维素与溶剂混合,混合装置具有混合器,捏合机等,并能产生高剪切力。 通过加入水将溶液从各向异性相转变成各向同性相。 将溶液转化为各向同性相所需的水在混合步骤之前,期间或之后加入。 溶剂优选含有72-80wt。 %P2O5和7-20wt。 %的纤维素,并且用于制备中空纤维,膜,非织造膜和需要使用含纤维素的溶液的其它制品。
    • 4. 发明申请
    • ASSEMBLY FOR THE PRODUCTION OF DISPERSIONS
    • 组装生产分散剂
    • US20130242687A1
    • 2013-09-19
    • US13990825
    • 2011-12-09
    • Jozef Johannes Maria BaltussenMarco Ypma
    • Jozef Johannes Maria BaltussenMarco Ypma
    • B01F3/12
    • B01F3/1271B01F3/1221B01F5/0065B01F5/104B01F5/106B01F7/1625B01F7/18B01F2215/0431B01F2215/0495
    • An assembly for the production of dispersions including a mixing unit (7) and a circulation tank (1) for holding liquid, the mixing unit (7) including a first solid inlet (8) for receiving a solid, a second liquid inlet for receiving the liquid, a mixing chamber where the liquid and solid are mixed, and a return outlet (13), the liquid inlet is fluidly connected to the circulation tank (1) such that liquid in the circulation tank flows to the mixing unit (7) via a circulation tank outlet (4), the return outlet (15) transferring the combined liquid and solid from the mixing chamber (7) into the circulation tank (1) via a circulation tank inlet. The circulation tank has an interior height which is configured such that a chamber exists inside the tank above the level of the liquid. Alternatively, the circulation tank inlet is permanently positioned above the liquid level or it includes a pipe configured such that the dispersion forms a film on its inner surface. Alternatively, the circulation tank includes an impeller having a diameter equal to or greater than 0.5 times the internal diameter of the tank.
    • 一种用于生产包括混合单元(7)和用于保持液体的循环罐(1)的分散体的组件,所述混合单元(7)包括用于接收固体的第一固体入口(8),用于接收固体的第二液体入口 液体,混合液体和固体的混合室和回流出口(13),液体入口流体地连接到循环罐(1),使得循环罐中的液体流到混合单元(7) 通过循环罐出口(4),返回出口(15)通过循环罐入口将混合的液体和固体从混合室(7)转移到循环罐(1)中。 该循环罐具有内部高度,该内部高度被配置为使得在罐内存在在液体高度之上的室。 或者,循环罐入口永久地定位在液面上方,或者其包括配置成使得分散体在其内表面上形成膜的管。 或者,循环罐包括直径等于或大于罐内径的0.5倍的叶轮。
    • 5. 发明授权
    • Assembly for the production of dispersions
    • 装配生产分散体
    • US09409133B2
    • 2016-08-09
    • US13990825
    • 2011-12-09
    • Jozef Johannes Maria BaltussenMarco Ypma
    • Jozef Johannes Maria BaltussenMarco Ypma
    • B01F5/10B01F3/12B01F5/00B01F7/16B01F7/18
    • B01F3/1271B01F3/1221B01F5/0065B01F5/104B01F5/106B01F7/1625B01F7/18B01F2215/0431B01F2215/0495
    • An assembly for the production of dispersions including a mixing unit (7) and a circulation tank (1) for holding liquid, the mixing unit (7) including a first solid inlet (8) for receiving a solid, a second liquid inlet for receiving the liquid, a mixing chamber where the liquid and solid are mixed, and a return outlet (13), the liquid inlet is fluidly connected to the circulation tank (1) such that liquid in the circulation tank flows to the mixing unit (7) via a circulation tank outlet (4), the return outlet (15) transferring the combined liquid and solid from the mixing chamber (7) into the circulation tank (1) via a circulation tank inlet. The circulation tank has an interior height which is configured such that a chamber exists inside the tank above the level of the liquid. Alternatively, the circulation tank inlet is permanently positioned above the liquid level or it includes a pipe configured such that the dispersion forms a film on its inner surface. Alternatively, the circulation tank includes an impeller having a diameter equal to or greater than 0.5 times the internal diameter of the tank.
    • 一种用于生产包括混合单元(7)和用于保持液体的循环罐(1)的分散体的组件,所述混合单元(7)包括用于接收固体的第一固体入口(8),用于接收固体的第二液体入口 液体,混合液体和固体的混合室和回流出口(13),液体入口流体地连接到循环罐(1),使得循环罐中的液体流到混合单元(7) 通过循环罐出口(4),返回出口(15)通过循环罐入口将混合的液体和固体从混合室(7)转移到循环罐(1)中。 该循环罐具有内部高度,该内部高度被配置为使得在罐内存在在液体高度之上的室。 或者,循环罐入口永久地定位在液面上方,或者其包括配置成使得分散体在其内表面上形成膜的管。 或者,循环罐包括直径等于或大于罐内径的0.5倍的叶轮。