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    PROCESS FOR EXTRUSION
    2.
    发明申请
    PROCESS FOR EXTRUSION 有权
    挤出方法

    公开(公告)号：US20020074682A1

    公开(公告)日：2002-06-20

    申请号：US09303192

    申请日：1999-05-03

    发明人： ANTHONY CHARLES NEUBAUER

    IPC分类号： B29B009/06 ,  B29C047/78

    CPC分类号： B29B9/12 ,  B29B9/06 ,  B29C47/0004 ,  B29C47/0011 ,  B29C47/0021 ,  B29C47/0026 ,  B29C47/0057 ,  B29C47/822 ,  B29K2023/06 ,  B29L2007/008

    摘要： A process for the extrusion of polyethylene having a broad molecular weight distribution wherein the polyethylene is prepared in pellet form, said extrusion taking place in a pelletizing extruder having one or more zones essentially filled with polyethylene and two or more zones partially filled with polyethylene including a feed zone comprising (i) introducing the polyethylene into the extruder at a temperature sufficient to melt the polyethylene; (ii) introducing a mixture of an inert gas and oxygen into at least one partially filled zone with the exception of the feed zone, said mixture containing about 1 to about 21 percent by volume oxygen based on the volume of the gaseous mixture; (iii) passing the molten polyethylene through each zone at melt temperature; and (iv) extruding the polyethylene into pellets and cooling same.

    摘要翻译： 一种用于挤出具有宽分子量分布的聚乙烯的方法，其中聚乙烯以颗粒形式制备，所述挤出发生在具有基本上填充有聚乙烯的一个或多个区域的造粒挤出机中，以及部分填充有聚乙烯的两个或更多个区域，包括 进料区包括（i）在足以熔化聚乙烯的温度下将聚乙烯引入挤出机中; （ii）将惰性气体和氧气的混合物引入至少一个部分填充的区域，除了进料区域之外，所述混合物基于气体混合物的体积含有约1至约21体积％的氧气; （iii）熔融聚乙烯在熔融温度下通过每个区域; 和（iv）将聚乙烯挤出成丸并冷却。

    Apparatus for making multilayer optical films
    3.
    发明申请
    Apparatus for making multilayer optical films 有权
    多层光学膜制造装置

    公开(公告)号：US20010022982A1

    公开(公告)日：2001-09-20

    申请号：US09811200

    申请日：2001-03-16

    申请人： 3M Innovative Properties Company

    发明人： Terence D. Neavin ,  Andrew J. Ouderkirk ,  Robert M. Biegler ,  Yaoqi J. Liu

    IPC分类号： B29C047/06 ,  B29C047/78

    CPC分类号： B29C47/707 ,  B29C47/0021 ,  B29C47/065 ,  B29C47/067 ,  B29C47/56 ,  Y10T428/24942

    摘要： Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thickness gradient throughout the multilayer optical stack. The methods and apparatuses described allow improved control over individual layer thicknesses, layer thickness gradients, indices of refraction, interlayer adhesion, and surface characteristics of the optical films. The methods and apparatuses described are useful for making interference polarizers, mirrors, and colored films that are optically effective over diverse portions of the ultraviolet, visible, and infrared spectra.

    摘要翻译： 提供了用于制造共挤出聚合物多层光学膜的方法和装置。 所述多层光学膜具有层叠的两层或多层具有特定层厚度和规定的层厚度梯度的多层光学叠层的层序排列。 所描述的方法和装置允许改进对单个层厚度，层厚度梯度，折射率，层间粘合和光学膜的表面特性的控制。 所描述的方法和装置可用于制造在紫外线，可见光和红外光谱的不同部分上光学有效的干涉偏振器，反射镜和着色膜。

    Propylene polymers having agreeable odor characteristics and shaped articles thereof
    5.
    发明申请
    Propylene polymers having agreeable odor characteristics and shaped articles thereof 审中-公开
    具有令人满意的气味特性的丙烯聚合物及其成型制品

    公开(公告)号：US20040159972A1

    公开(公告)日：2004-08-19

    申请号：US09911177

    申请日：2001-07-23

    发明人： Stefan U. Koschmieder ,  Peter Frenkel ,  Ted M. Pettijohn

    IPC分类号： B29C047/78 ,  C08F010/00

    CPC分类号： C08K5/14 ,  B29C48/832 ,  C08L23/10

    摘要： A polymer composition is disclosed that comprises a propylene polymer having a melt flow index in the range from 4 to 120 decigrams/minute, di-t-amyl peroxide, and at least one decomposition product of said peroxide, whereby said composition has agreeable odor characteristics.

    摘要翻译： 公开了一种聚合物组合物，其包含熔体流动指数为4至120分克/分钟，二叔戊基过氧化物和至少一种所述过氧化物的分解产物的丙烯聚合物，由此所述组合物具有令人满意的气味特征 。

    Continuous process for the preparation of absorbable articles and the use thereof
    8.
    发明申请
    Continuous process for the preparation of absorbable articles and the use thereof 审中-公开
    用于制备可吸收制品的连续方法及其用途

    公开(公告)号：US20040084804A1

    公开(公告)日：2004-05-06

    申请号：US10425058

    申请日：2003-04-28

    发明人： Amy T. Jonn

    IPC分类号： B29C047/78

    CPC分类号： C08G63/785 ,  B29C48/03 ,  B29C48/865 ,  B29C48/875 ,  B29L2031/753 ,  C08G63/06

    摘要： A continuous process for the preparation of absorbable polymers and their processing into articles is disclosed. The process comprises a reactive extrusion step where cyclic monomers and other additives are polymerized into absorbable homopolymer or copolymer compositions, which are then extruded continuously and molded into desirable articles using regular molding techniques.

    摘要翻译： 公开了制备可吸收聚合物及其加工成物品的连续方法。 该方法包括反应挤出步骤，其中环状单体和其它添加剂聚合成可吸收的均聚物或共聚物组合物，然后将其连续挤出并使用常规模塑技术模制成所需的制品。

    Chemical reactor templates: sacrificial layer fabrication and template use
    9.
    发明申请
    Chemical reactor templates: sacrificial layer fabrication and template use 审中-公开
    化学反应器模板：牺牲层制造和模板使用

    公开(公告)号：US20040005258A1

    公开(公告)日：2004-01-08

    申请号：US10317153

    申请日：2002-12-12

    发明人： Stephen J. Fonash ,  Chih-Yi Peng ,  Ayusmen Sen ,  Seong H. Kim ,  Henry C. Foley ,  Bin Gu ,  Wook Jun Nam ,  Kyuhwan Chang

    IPC分类号： B01J008/00 ,  B29C047/78 ,  D06M010/00 ,  B05D005/12

    CPC分类号： H01L51/0595 ,  B01J19/0093 ,  B01J2219/00783 ,  B01J2219/00788 ,  B01J2219/00828 ,  B01J2219/00835 ,  B01J2219/00853 ,  B01J2219/0086 ,  B01J2219/00862 ,  B01J2219/00864 ,  B01J2219/00873 ,  B01J2219/00889 ,  B01J2219/00891 ,  B01J2219/00936 ,  B82Y10/00 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/15 ,  C23C16/01 ,  C23C16/045 ,  C30B7/00 ,  C30B29/605 ,  D01D5/00 ,  D01F9/1275 ,  D01F9/21 ,  H01L21/76838 ,  H01L29/66439 ,  H01L51/0048 ,  H01L51/0052 ,  H01L51/0545 ,  H01L2221/1094

    摘要： The invention relates to chemical reactor templates having channel-like voids parallel to the template's major axis. The channel-like voids may have either micro-scale or nano-scale cross sectional areas. The chemical reactor templates may be used to produce micro- and nano-scale filaments and particles which have a variety of uses. In some embodiments a chemical reactor template of the invention have at least two intersecting channel-like voids substantially parallel to the major axis of said template. The invention also relates to methods for manufacturing a chemical reactor template using sacrificial layers. The chemical reactor templates of the invention may be fabricated to have multiple arrays of channel-like structures as well as vertical elements to provide access to act as contacts for the channel-like voids and materials formed within the template. The invention relates to methods for producing filaments and particles using a chemical reactor template. The filaments or particles are formed within the channel-like void to produce a filament within the channel-like void and may be extruded from the chemical reactor template. Using the chemical reactor templates one can fabricate a wide variety of devices having at least one contact region between a first and second material system over a substrate. Another aspect of the invention is the filaments made using a chemical reactor template of the invention. Accordingly the invention relates to an oriented filament has a nano- or micro-scale cross-sectional area and is prepared within a channel having a nano- or micro-scale cross-section.

    摘要翻译： 本发明涉及具有平行于模板长轴的通道状空隙的化学反应器模板。 通道状空隙可以具有微尺度或纳米尺度的横截面积。 化学反应器模板可用于生产具有多种用途的微米级和纳米级细丝和颗粒。 在一些实施方案中，本发明的化学反应器模板具有基本上平行于所述模板的长轴的至少两个相交的通道状空隙。 本发明还涉及使用牺牲层制造化学反应器模板的方法。 本发明的化学反应器模板可以制造成具有多个通道状结构阵列以及垂直元件，以提供作为用于在模板内形成的通道状空隙和材料的接触的通路。 本发明涉及使用化学反应器模板生产细丝和颗粒的方法。 细丝或颗粒形成在通道状空隙内，以在通道状空隙内产生细丝并且可以从化学反应器模板挤出。 使用化学反应器模板，可以制造各种各样的在衬底上具有在第一和第二材料体系之间的接触区域的器件。 本发明的另一方面是使用本发明的化学反应器模板制造的长丝。 因此，本发明涉及具有纳米级或微尺度横截面积的取向丝，并且在具有纳米级或微尺度横截面的通道内制备。

    Embedding and encapsulation of sensitive components into a matrix to obtain discrete controlled release particles
    10.
    发明申请
    Embedding and encapsulation of sensitive components into a matrix to obtain discrete controlled release particles 有权
    将敏感组分嵌入和包封到基质中以获得离散的控制释放颗粒

    公开(公告)号：US20020044968A1

    公开(公告)日：2002-04-18

    申请号：US09782320

    申请日：2001-02-13

    申请人： General Mills, Inc.

    发明人： Bernhard H. van Lengerich

    IPC分类号： B29C047/78 ,  A61K009/16 ,  A61K009/50

    CPC分类号： A61K9/2086 ,  A23L27/72 ,  A23P10/30 ,  B01J13/02 ,  B29C47/822

    摘要： Controlled release, discrete, solid particles which contain an encapsulated and/or embedded component such as a heat sensitive or readily oxidizable pharmaceutically, biologically, or nutritionally active component are continuously produced without substantial destruction of the matrix material or encapsulant. A release-rate controlling component is incorporated into the matrix to control the rate of release of the encapsulant from the particles. The additional component may be a hydrophobic component or a high water binding capacity component for extending the release time. The plasticizable matrix material, such as starch, is admixed with at least one plasticizer, such as water, and at least one release-rate controlling component under low shear mixing conditions to plasticize the plasticizable material without substantially destroying the at least one plasticizable material and to obtain a substantially homogeneous plasticized mass. The plasticizer content is substantially reduced and the temperature of the plasticized mass are substantially reduced prior to admixing the plasticized mass with the encapsulant to avoid substantial destruction of the encapsulant and to obtain a formable, extrudable mixture. The mixture is extruded through a die without substantial or essentially no expansion and cut into discrete, relatively dense particles. Release properties may also be controlled by precoating the encapsulant and/or coating the extrudate particles with a film-forming component.

    摘要翻译： 含有包封和/或嵌入的组分如热敏或易氧化的药学，生物学或营养活性组分的受控释放的离散固体颗粒被连续地生产而基本上不破坏基质材料或密封剂。 将释放速率控制组分并入基质中以控制密封剂从颗粒中释放的速率。 附加组分可以是用于延长释放时间的疏水组分或高水结合能力组分。 可塑性基质材料如淀粉在低剪切混合条件下与至少一种增塑剂（例如水）和至少一种释放速率控制组分混合，以塑化可塑化材料，而基本上不破坏至少一种可塑化材料， 以获得基本均匀的增塑物质。 在将塑化物料与密封剂混合之前，增塑剂含量显着降低，并且塑化物料的温度显着降低，以避免密封剂的实质破坏并获得可成形的可挤压混合物。 将混合物通过模具挤出而没有实质或基本上没有膨胀，并切成离散的相对致密的颗粒。 释放性质也可以通过预先涂覆密封剂和/或用成膜组分涂覆挤出物颗粒来控制。