Process for the production of cellulosic flat films
    44.
    发明申请
    Process for the production of cellulosic flat films 审中-公开
    生产纤维素平片的方法

    公开(公告)号:US20040053025A1

    公开(公告)日:2004-03-18

    申请号:US10611532

    申请日:2003-06-30

    IPC分类号: C08L001/02

    摘要: The invention relates to a process for the production of cellulosic flat films whereby a solution of cellulose is extruded in an aqueous tertiary amine oxide by means of an extrusion die which has an extrusion gap whereby the solution is moulded in the shape of a film and the extruded solution is led via an air gap to a precipitation bath. The process in accordance with the invention is characterised in that an extrusion die is used which has an extrusion gap b of 220 nullmnullbnull280 nullm. Moreover, the invention relates to flat films, obtainable by the amine oxide process with a thickness d of less than 20 nullm, a width B of more than 30 cm, and a factor f of 65 or less, whereby f is defined as fnulld*(MD/TD), d is used in nullm and whereby MD stands for the tenacity of the film in the longitudinal direction (N/mm2) and TD for the tenacity of the film in the transverse direction (N/mm2).

    摘要翻译: 本发明涉及一种生产纤维素平膜的方法,其中纤维素溶液通过挤出模具挤出在叔胺氧化物水溶液中,该挤出模具具有挤出间隙,由此将溶液模塑成薄膜形状, 挤出溶液通过气隙引导至沉淀浴。 根据本发明的方法的特征在于使用具有220μm(b =280μm)的挤出间隙b的挤出模头。 此外,本发明涉及通过厚度d小于20μm,宽度B大于30cm,因子f为65以下的氧化胺工艺获得的平膜,其中f定义为f = d *(MD / TD),d用于母体,其中MD表示膜在纵向(N / mm 2)上的强度,TD代表膜在横向上的强度(N / mm 2)。

    Method of surface modifying a medical tubing
    46.
    发明申请
    Method of surface modifying a medical tubing 审中-公开
    表面改性医用管道的方法

    公开(公告)号:US20030094736A1

    公开(公告)日:2003-05-22

    申请号:US10327263

    申请日:2002-12-20

    IPC分类号: B29C047/88

    摘要: The present invention provides a method of using a medical tubing with a pump for administering measured amounts of a beneficial fluid over time to a patient. The method includes the steps of providing a material selected from the group consisting of ethylene homopolymers and ethylene copolymers, wherein the ethylene copolymers are obtained by copolymerizing ethylene with a comonomer selected from the group consisting of alkyl olefins, alkyl esters of a carboxylic acid and lower alkene esters of a carboxylic acid, or blends thereof; providing an extruder with an extrusion die; extruding the material into a medical tubing; providing a surface modifier solution; preheating the surface modifier solution to a temperature within the range of 30-95null C.; applying the preheated solution onto the tubing at it exits the extrusion die when the tubing is in a molten state or a semi-molten state; and pumping fluid through the tubing with the pump.

    摘要翻译: 本发明提供了一种使用具有泵的医用管道的方法,所述泵用于随着时间向患者施用测量量的有益流体。 该方法包括提供选自乙烯均聚物和乙烯共聚物的材料的步骤,其中乙烯共聚物通过使乙烯与选自烷基烯烃,羧酸烷基酯和低级烷基酯的共聚单体共聚获得 羧酸的烯烃酯或其共混物; 提供具有挤出模头的挤出机; 将材料挤压成医疗管道; 提供表面改性剂溶液; 将表面改性剂预热至30-95℃范围内的温度; 当管道处于熔融状态或半熔融状态时,将预热的溶液施加到管道上,从而挤出模头; 并用泵泵送流体通过管道。

    Process for producing cellulosic tubular films
    47.
    发明申请
    Process for producing cellulosic tubular films 审中-公开
    纤维素管状薄膜的制造方法

    公开(公告)号:US20020167110A1

    公开(公告)日:2002-11-14

    申请号:US10185361

    申请日:2002-06-27

    IPC分类号: D01F002/00

    摘要: The invention relates to a device for the production of cellulosic tubular films by extruding a solution of cellulose in an aqueous tertiary amine oxide into a precipitant present below the device, which device comprises an extrusion die having a substantially annular extrusion gap, wherein a supply duct for precipitant and a discharge duct for used precipitant are provided in the interior of the ring formed by the extrusion gap, characterized in that the supply duct (3) for the precipitant terminates below the discharge duct (4) for the used precipitant.

    摘要翻译: 本发明涉及一种用于生产纤维素管状薄膜的装置,该装置通过将纤维素在叔胺氧化胺水溶液中的溶液挤出到装置下方的沉淀剂中,该装置包括具有大致环形的挤出间隙的挤出模头, 在由挤出间隙形成的环的内部设置有沉淀剂和用于使用的沉淀剂的排出管,其特征在于,用于沉淀剂的供给管道(3)终止于用于所使用的沉淀剂的排出管道(4)的下方。

    Method of manufacturing wood-like polyvinyl chloride boards of low density and improved properties and resulting product
    48.
    发明申请
    Method of manufacturing wood-like polyvinyl chloride boards of low density and improved properties and resulting product 审中-公开
    制造木质聚氯乙烯板的方法,其具有低密度和改进的性能以及所得产品

    公开(公告)号:US20020125594A1

    公开(公告)日:2002-09-12

    申请号:US09753428

    申请日:2001-01-03

    IPC分类号: B29C044/24

    摘要: Methods are provided in this invention to produce wood-like boards of polyvinylchloride, which are suitable for applications, such as graphic art, construction, furniture, etc. In one of the two embodiments disclosed in this invention, the wood-like polyvinyl chloride boards have smooth surface quality, a density below 0.95 g/cm3, good dimensional stability and strong abrasive resistance. These are produced by hot mixing, cold mixing, extrusion, calibration for quenching and subsequent cutting, to produce solid skin, foamed core products. In the other embodiment, the wood-like polyvinyl chloride boards have embossed surface quality, a density below 1.0 g/cm3, good dimensional stability and surface hardness. These are produced by hot mixing, cold mixing, extrusion and subsequent slow cooling with a roller system to produce embossed products.

    摘要翻译: 在本发明中提供了生产聚氯乙烯类木板的方法,其适合于诸如图形艺术,建筑,家具等的应用。在本发明公开的两个实施例之一中,木质聚氯乙烯板 表面质量光滑,密度低于0.95g / cm3,尺寸稳定性好,耐磨性好。 这些是通过热混合,冷混合,挤出,淬火和随后切割的校准,产生固体皮肤,泡沫核心产品。 在另一实施例中,木质聚氯乙烯板具有压花表面质量,密度低于1.0g / cm 3,尺寸稳定性和表面硬度良好。 这些是通过热混合,冷混合,挤出和随后用滚筒系统缓慢冷却以产生压花产品来生产的。

    Calender device
    49.
    发明申请
    Calender device 审中-公开
    日历设备

    公开(公告)号:US20020015751A1

    公开(公告)日:2002-02-07

    申请号:US09737967

    申请日:2000-12-18

    发明人: Ake Rosen

    IPC分类号: B29C053/00

    摘要: A calendar device for rolling an extruded plastic material comprises at least two elongate rolls, which are arranged essentially in parallel to form the extruded material into a web-shaped material. One of the rolls is a cooling roll, which at least partially is immersed in a cooling bath to cool the roll together with the rolled material when abutting against the cooling roll.

    摘要翻译: 用于轧制挤出的塑料材料的压延装置包括至少两个细长的辊,它们基本平行布置,以将挤出的材料形成为网状材料。 辊中的一个是冷却辊,至少部分地浸入冷却槽中,以便在与冷却辊抵接时与轧制材料一起冷却辊。