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    SYSTEM FOR EXTRUDING A POROUS SUBSTRATE
    32.
    发明申请
    SYSTEM FOR EXTRUDING A POROUS SUBSTRATE 审中-公开
    用于挤出多孔基材的系统

    公开(公告)号：WO2007061457A2

    公开(公告)日：2007-05-31

    申请号：PCT/US2006/028530

    申请日：2006-07-21

    Applicant: GEO2 TECHNOLOGIES, INC.

    Inventor： ZUBERI, Bilal ,  LACHENAUER, Robert, G. ,  PILLAI, Sunilkumar, C.

    IPC: B29C44/04 ,  B29C67/20

    CPC classification number: B29C67/20 ,  B28B1/52 ,  B28B3/2636 ,  B28C5/404 ,  B29C47/0028 ,  B29C47/12 ,  B29L2031/60 ,  C04B35/80 ,  C04B38/0074 ,  C04B2111/00793 ,  C04B2235/349 ,  C04B2235/5228 ,  C04B2235/5296 ,  C04B2235/6021 ,  E04C5/076 ,  C04B38/0006 ,  C04B38/0058

    Abstract: An extrudable mixture is provided for producing a highly porous substrate using an extrusion process. More particularly, the present invention enables fibers, such as organic, inorganic, glass, ceramic or metal fibers, to be mixed into a mass that when extruded and cured, forms a highly porous substrate. Depending on the particular mixture, the present invention enables substrate porosities of about 60 % to about 90 %, and enables process advantages at other porosities, as well. The extrudable mixture may use a wide variety of fibers and additives, and is adaptable to a wide variety of operating environments and applications. Fibers, which have an aspect ratio greater than 1, are selected according to substrate requirements, and are mixed with binders, pore-formers, extrusion aids, and fluid to form a homogeneous extrudable mass. The homogeneous mass is extruded into a green substrate. The more volatile material is preferentially removed from the green substrate, which allows the fibers to interconnect and contact. As the curing process continues, fiber to fiber bonds are formed to produce a structure having a substantially open pore network. The resulting porous substrate is useful in many applications, for example, as a substrate for a filter or catalyst host, or catalytic converter.

    Abstract translation: 提供可挤出的混合物用于使用挤出方法生产高度多孔的基材。 更具体地说，本发明使诸如有机，无机，玻璃，陶瓷或金属纤维之类的纤维混合成质量，当挤出和固化时，形成高度多孔的基材。 根据具体的混合物，本发明使得基材孔隙率为约60％至约90％，并且使得其它孔隙率的工艺优点也得以实现。 可挤出的混合物可以使用各种各样的纤维和添加剂，并且适用于各种各样的操作环境和应用。 具有大于1的长径比的纤维根据基底要求进行选择，并与粘合剂，成孔剂，挤出助剂和流体混合以形成均匀的可挤出物料。 将均匀的物料挤出成绿色基材。 优选从绿色衬底去除更易挥发的材料，这允许纤维互相连接并接触。 随着固化过程的继续，形成纤维与纤维结合以产生具有基本上开孔网络的结构。 所得到的多孔基材在许多应用中是有用的，例如作为过滤器或催化剂载体或催化转化器的底物。

    METHOD FOR PRODUCING EXPANDING STYRENE POLYMER GRANULES
    36.
    发明申请
    METHOD FOR PRODUCING EXPANDING STYRENE POLYMER GRANULES 审中-公开
    生产苯乙烯聚合物颗粒的方法

    公开(公告)号：WO2006088392A1

    公开(公告)日：2006-08-24

    申请号：PCT/RU2006000075

    申请日：2006-02-15

    Applicant: OBSCHESTVO S OGRANICHENNOI OTV ,  YNTHES OTKRYTOE AKTSIONERNOE O ,  GINZBURG LEONID ISAAKOVICH ,  TARKOVA EUGENIA MICHAILOVA

    Inventor： GINZBURG LEONID ISAAKOVICH ,  TARKOVA EUGENIA MICHAILOVA ,  ROGOV MAXIM NIKOLAEVICH ,  RAHIMOV HALYL HALAFOVICH ,  ISHMIJAROV MARAT HAFISOVICH ,  MJACHIN SERGEI IVANOVICH ,  PROKOPENKO ALEXEJ VLADIMIROVIC ,  KRASHENINNIKOV ALEXANDR ALEXEE ,  MJASITSHEVA IRINA VLADIMIROVNA

    IPC: B29B9/06 ,  B29C44/34 ,  B29C67/20

    CPC classification number: B29C44/3461 ,  B29C44/3446 ,  B29K2025/00

    Abstract: The inventive method consists in supplying molten polymer and expanding agent flows to a mixing area, in dispersing said expanding agent in a polymer melt by a rapid dividing mixing in a first static mixer, in holding and intensively dividingly mixing the thus obtained mixture in a second static mixer, in cooling the mixture, during mixing, in a third static mixer to an intermediate temperature, in cooling said mixture to a granulation temperature, in extruding polymer threads and subsequently quenching and granulating them. During processing, a weight ratio between the polymer melt flow G p and the expanding agent flow G BA ranges from 13.0 to 19.0, a temperature in the first static mixer for rapid dividing mixing is calculated according to formula (I), in the second and third static mixed according to formulas (II) and (III), respectively, wherein G BA max. is the quantity of a maximum possible expanding agent flow, G Bct. is the quantity of the used expanding agent flow at the ratio between the melt flow index and a weight average molecular mass (M w ) ranges within of (0.8-12.0)x 10 -5 . The inventive method makes it possible to produce polysteren in the form of expanding granules, within a wide range of molecular masses, and a shock-resistant polysterene.

    Abstract translation: 本发明的方法包括将熔融聚合物和发泡剂流供给到混合区域，在第一静态混合器中通过快速分离混合将所述发泡剂分散在聚合物熔体中，在第二静态混合器中将所得到的混合物保持并分散混合 静态混合器，在混合期间，在第三静态混合器中将混合物冷却至中间温度，在将所述混合物冷却至造粒温度时，挤出聚合物丝线，随后淬火并造粒。 在加工过程中，聚合物熔体流动G 和发泡剂流量G BAT之间的重量比在13.0至19.0之间，即用于快速分离的第一静态混合器中的温度 根据式（I），根据式（II）和（III）混合的第二和第三静态分别计算混合，其中G BA最大值是最大可能膨胀的量 代理流程，G Bct。是在熔体流动指数和重均分子量之间的比例下，所使用的膨胀剂流量的量（M < （0.8-12.0）×10 -5。 本发明的方法使得可以在广泛的分子量范围内产生膨胀颗粒形式的聚酯和耐冲击聚苯乙烯。

    METHODS FOR THE MANUFACTURE OF POROUS PROSTHESIS
    38.
    发明申请
    METHODS FOR THE MANUFACTURE OF POROUS PROSTHESIS 审中-公开

    公开(公告)号：WO2005025840A3

    公开(公告)日：2005-03-24

    申请号：PCT/US2004/029023

    申请日：2004-09-07

    Applicant: INNOVIA LLC

    Inventor： PINCHUK, Leonard ,  KATO, Yasushi, P.

    IPC: B29C67/20

    Abstract: A method for the manufacture of a biocompatible porous prosthesis comprising the steps of applying a solution to a porous support structure for a prosthesis, said solution comprising a biocompatible block copolymer including one or more elastomeric blocks and one or more thermoplastic blocks, and a first solvent capable of dissolving said copolymer; and applying a second solvent capable of dissolving said first solvent but incapable of dissolving said copolymer to the surfaces of said prosthesis and thereby causing said copolymer to precipitate onto said support structure.

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