利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

21 条记录 (耗时 0.026 秒)

    Conjugated diene/monovinylarene copolymers and preparation thereof
    11.
    发明授权
    Conjugated diene/monovinylarene copolymers and preparation thereof 失效
    共轭二烯/单乙烯基芳烃共聚物及其制备方法

    公开(公告)号：US5384349A

    公开(公告)日：1995-01-24

    申请号：US163966

    申请日：1993-12-06

    申请人： William J. Trepka ,  Nathan E. Stacy ,  George A. Moczygemba

    发明人： William J. Trepka ,  Nathan E. Stacy ,  George A. Moczygemba

    IPC分类号： C08K5/092 ,  C08K5/1545 ,  C08K5/15 ,  C08K5/09 ,  C08K5/10 ,  C08L9/06

    CPC分类号： C08K5/092 ,  C08K5/1545

    摘要： A block copolymer comprising about 5 weight percent to about 95 weight percent monovinylarene monomer, about 95 to about 5 weight percent butadiene, and an effective amount of a thermal stabilizing agent selected from the group consisting of ascorbic acid, citric acid, disodium citrate, and mixtures thereof is provided. A process for stabilizing conjugated diene/monovinylarene block copolymer and articles prepared from such copolymers are also provided.

    摘要翻译： 包含约5重量％至约95重量％的单乙烯基芳烃单体，约95至约5重量％的丁二烯和有效量的热稳定剂，所述热稳定剂选自抗坏血酸，柠檬酸，柠檬酸二钠和 提供其混合物。 还提供了用于稳定共轭二烯/单乙烯基芳烃嵌段共聚物的方法和由这些共聚物制备的制品。

    Conjugated diene/monovinylarene block copolymers with multiple tapered blocks
    12.
    发明授权
    Conjugated diene/monovinylarene block copolymers with multiple tapered blocks 失效
    具有多个锥形嵌段的共轭二烯/单乙烯基芳烃嵌段共聚物

    公开(公告)号：US5393838A

    公开(公告)日：1995-02-28

    申请号：US163785

    申请日：1993-12-06

    申请人： George A. Moczygemba ,  Nathan E. Stacy ,  Nancy R. Knight

    发明人： George A. Moczygemba ,  Nathan E. Stacy ,  Nancy R. Knight

    IPC分类号： C08F297/04 ,  C08L53/02 ,  C08L25/04

    CPC分类号： C08F297/044

    摘要： A method for preparing polymodal tapered block copolymers in a polymerization process by sequentially charging: (a) an initiator and monovinylaromatic monomers in the presence of a randomizer; (b) an initiator and monovinylaromatic monomers; (c) a mixture of monovinylaromatic and conjugated diene monomers; (d) a mixture of monovinylaromatic and conjugated diene monomers; (e) an initiator and monovinylaromatic monomers; (f) a mixture of monovinylaromatic and conjugated diene monomers; (g) a mixture of monovinylaromatic and conjugated diene monomers; (h) conjugated diene monomers; and (i) a coupling agent. The copolymers and blends thereof are particularly useful for packaging applications which require good environmental stress crack resistance.

    摘要翻译： 一种在聚合过程中制备多嵌段渐缩嵌段共聚物的方法，该方法是通过在无规化剂的存在下依次装入：（a）引发剂和单乙烯基芳族单体; （b）引发剂和单乙烯基芳族单体; （c）单乙烯基芳族化合物和共轭二烯单体的混合物; （d）单乙烯基芳族化合物和共轭二烯单体的混合物; （e）引发剂和单乙烯基芳族单体; （f）单乙烯基芳族化合物和共轭二烯单体的混合物; （g）单乙烯基芳族化合物和共轭二烯单体的混合物; （h）共轭二烯单体; 和（i）偶联剂。 其共聚物和共混物对于需要良好的耐环境应力开裂性的包装应用是特别有用的。

    Conjugated diene/monovinylarene block copolymers blends
    13.
    发明授权
    Conjugated diene/monovinylarene block copolymers blends 有权
    共轭二烯/单乙烯基芳烃嵌段共聚物共混物

    公开(公告)号：US06444755B1

    公开(公告)日：2002-09-03

    申请号：US09576879

    申请日：2000-05-22

    申请人： Craig D. DePorter ,  Nathan E. Stacy ,  George A. Moczygemba

    发明人： Craig D. DePorter ,  Nathan E. Stacy ,  George A. Moczygemba

    IPC分类号： C08F29707

    CPC分类号： C08F297/044 ,  C08L53/02 ,  C08L2666/04

    摘要： A block copolymer comprising at least three consecutive conjugated diene/monovinylarene tapered blocks is provided. Other aspects of this invention include a polymerization process for preparing the block copolymer and polymer blends comprising the block copolymer. The block copolymer and polymer blends exhibit excellent optical and mechanical properties.

    摘要翻译： 提供包含至少三个连续的共轭二烯/单乙烯基芳烃渐变嵌段的嵌段共聚物。 本发明的其它方面包括制备嵌段共聚物的聚合方法和包含嵌段共聚物的聚合物共混物。 嵌段共聚物和聚合物共混物表现出优异的光学和机械性能。

    Block copolymers of monovinylaromatic and conjugated diene monomers
    17.
    发明授权
    Block copolymers of monovinylaromatic and conjugated diene monomers 失效
    单乙烯基芳族和共轭二烯单体的嵌段共聚物

    公开(公告)号：US5438103A

    公开(公告)日：1995-08-01

    申请号：US216725

    申请日：1994-03-23

    申请人： Craig D. DePorter ,  Ralph C. Farrar, Jr. ,  Nathan E. Stacy ,  George A. Moczygemba

    发明人： Craig D. DePorter ,  Ralph C. Farrar, Jr. ,  Nathan E. Stacy ,  George A. Moczygemba

    IPC分类号： C08F297/04

    CPC分类号： C08F297/044

    摘要： A method for preparing block copolymers from which can be made transparent blue articles comprising sequentially charging under polymerization conditions at least one monovinylaromatic monomer and at least one conjugated diene monomer, wherein at least the first monomer charge is a monovinylaromatic monomer charge polymerized in the presence of an initiator; wherein at least one other charge polymerized in the presence of an initiator is a monomer selected from the group of conjugated diene monomers and mixtures of monovinylaromatic and conjugated diene monomers; wherein the final monomer charge is a conjugated diene charge; and thereafter charging the reaction mixture with at least one coupling agent. The invention copolymers are particularly useful for applications such as packaging, display devices, toys and decorative items in which transparent blue appearance is desired without significant compromise of other physical and mechanical properties.

    摘要翻译： 一种制备嵌段共聚物的方法，可从其制备透明蓝色物品，其包括在聚合条件下至少一种单乙烯基芳族单体和至少一种共轭二烯单体依次充电，其中至少第一单体电荷是在存在下电荷聚合的单乙烯基芳族单体 发起者 其中在引发剂存在下聚合的至少一种其它电荷是选自共轭二烯单体和单乙烯基芳族和共轭二烯单体的混合物的单体; 其中最终的单体电荷是共轭二烯电荷; 然后用至少一种偶联剂装入反应混合物。 本发明共聚物特别适用于诸如包装，显示装置，玩具和装饰物品之类的应用，其中需要透明蓝色外观，而不会对其他物理和机械性能造成重大损害。

    Styrene Butadiene Block Copolymers for Film Applications
    19.
    发明申请
    Styrene Butadiene Block Copolymers for Film Applications 有权
    苯乙烯丁二烯嵌段共聚物的薄膜应用

    公开(公告)号：US20080134642A1

    公开(公告)日：2008-06-12

    申请号：US11609159

    申请日：2006-12-11

    申请人： John Mark Brown ,  Michael A. Smith ,  Nathan E. Stacy ,  Carleton E. Stouffer ,  John D. Wilkey

    发明人： John Mark Brown ,  Michael A. Smith ,  Nathan E. Stacy ,  Carleton E. Stouffer ,  John D. Wilkey

    IPC分类号： B65B53/02 ,  C08L53/02

    CPC分类号： C08J5/18 ,  C08F212/08 ,  C08F297/04 ,  C08F297/044 ,  C08F301/00 ,  C08J2325/10 ,  C08J2347/00 ,  C08J2425/06 ,  C08L53/02 ,  C08L2666/02 ,  C08L2666/04

    摘要： We disclose a monovinylarene-conjugated diene block copolymer containing a plurality of monovinylarene-conjugated diene mixed blocks, wherein each mixed block contains conjugated diene units and monovinylarene units in a weight ratio of about 0.05 to about 0.33. We also disclose a composition containing (a) from about 50 parts by weight to about 95 parts by weight of the monovinylarene-conjugated diene block copolymer and (b) from about 5 parts by weight to about 50 parts by weight of polystyrene; wherein the monovinylarene-conjugated diene block copolymer and the polystyrene total 100 parts by weight. We further disclose a method of shrink-wrapping an object or a group of objects by wrapping the object or the group of objects with a film containing the composition, to yield a wrapped object or group of objects, and heating the wrapped object or group of objects to a temperature and for a duration sufficient to shrink the film in at least a first direction, to yield a shrink-wrapped object or group of objects.

    摘要翻译： 我们公开了含有多个单乙烯基芳烃 - 共轭二烯混合嵌段的单乙烯基芳烃 - 共轭二烯嵌段共聚物，其中每个混合嵌段含有约0.05-约0.33重量比的共轭二烯单元和单乙烯基芳烃单元。 我们还公开了一种组合物，其包含（a）约50重量份至约95重量份的单乙烯基芳烃 - 共轭二烯嵌段共聚物和（b）约5重量份至约50重量份的聚苯乙烯; 其中单乙烯基芳烃 - 共轭二烯嵌段共聚物和聚苯乙烯共计100重量份。 我们进一步公开了一种通过用包含该组合物的胶片包裹物体或一组物体来收缩包裹物体或一组物体的方法，以产生包裹的物体或物体组，并且加热被包裹物体或一组物体 对象达到足以在至少第一方向上收缩膜的温度和持续时间，以产生收缩包裹的物体或物体组。