Nonwoven fabric, method for producing nonwoven fabric, and absorbent article
    2.
    发明授权
    Nonwoven fabric, method for producing nonwoven fabric, and absorbent article 有权
    无纺布,无纺布的制造方法以及吸收性物品

    公开(公告)号:US08273941B2

    公开(公告)日:2012-09-25

    申请号:US12532785

    申请日:2008-04-14

    IPC分类号: A61F13/15 D04H1/50

    摘要: The invention provides a nonwoven fabric having good fluid drawing properties, in which fluid hardly remains, a method for producing a nonwoven fabric, and an absorbent article.The nonwoven fabric has a thickness direction and a planar direction perpendicular to the thickness direction, and includes a high density region having a higher fiber density than an average fiber density. The high density region penetrates from one side to another side in the thickness direction.

    摘要翻译: 本发明提供一种流体几乎不残留的流体拉伸性良好的无纺布,无纺布的制造方法以及吸收性物品。 无纺布具有与厚度方向垂直的厚度方向和平面方向,并且包括具有比平均纤维密度高的纤维密度的高密度区域。 高密度区域在厚度方向从一侧渗透到另一侧。

    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION
    3.
    发明申请
    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION 有权
    生产聚合二烯聚合物,共混二烯聚合物和橡胶组合物的方法

    公开(公告)号:US20120142851A1

    公开(公告)日:2012-06-07

    申请号:US13371780

    申请日:2012-02-13

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION
    5.
    发明申请
    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION 有权
    生产聚合二烯聚合物,共混二烯聚合物和橡胶组合物的方法

    公开(公告)号:US20090247695A1

    公开(公告)日:2009-10-01

    申请号:US12096263

    申请日:2006-12-05

    IPC分类号: C08L9/00 C08F2/00 C08F4/12

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    Process For Producing Modified Polymer, Modified Polymer Obtained By The Process, And Rubber Composition Thereof
    6.
    发明申请
    Process For Producing Modified Polymer, Modified Polymer Obtained By The Process, And Rubber Composition Thereof 有权
    生产改性聚合物,工艺获得的改性聚合物及其橡胶组合物的方法

    公开(公告)号:US20080188613A1

    公开(公告)日:2008-08-07

    申请号:US11908502

    申请日:2006-03-17

    IPC分类号: C08K3/04 C08K3/34 C08J3/24

    摘要: A process for producing a modified polymer which increases low heat buildup and reinforcing capability of a rubber composition and which has excellent abrasion resistance, mechanical characteristics, and processability; a modified polymer obtained by the process; and a rubber composition using the modified polymer are provided. The process comprises a step of carrying out a modification reaction on the active end of a conjugated diene polymer having a vinyl content of below 10%, a cis-1,4 bond content of 75% or higher, and an active end, using an alkoxysilane compound, and a step of carrying out a condensation reaction in the presence of a condensation accelerator comprising a compound of an element belonging to at least one of the groups 4A (excluding Ti), 2B, 3B, and 5B of the periodic table.

    摘要翻译: 一种生产改性聚合物的方法,其增加橡胶组合物的低发热性和增强能力,并且具有优异的耐磨性,机械性能和加工性能; 通过该方法获得的改性聚合物; 并提供使用该改性聚合物的橡胶组合物。 该方法包括使用乙烯基含量低于10%,顺式-1,4键含量为75%以上的共轭二烯聚合物的活性端和活性末端进行改性反应的步骤,使用 烷氧基硅烷化合物和在包含元素化合物的缩合促进剂的存在下进行缩合反应的步骤,所述缩合促进剂包含属于周期表的4A族(不包括Ti),2B,3B和5B中的至少一种的元素。

    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition
    7.
    发明授权
    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition 有权
    用于制备共轭二烯聚合物,共轭二烯聚合物和橡胶组合物的方法

    公开(公告)号:US08153723B2

    公开(公告)日:2012-04-10

    申请号:US12096263

    申请日:2006-12-05

    IPC分类号: C08L9/00 C08F4/44

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    PROCESS FOR PRODUCING MODIFIED POLYMER, MODIFIED POLYMER OBTAINED BY THE PROCESS, AND RUBBER COMPOSITION CONTAINING THE SAME
    9.
    发明申请
    PROCESS FOR PRODUCING MODIFIED POLYMER, MODIFIED POLYMER OBTAINED BY THE PROCESS, AND RUBBER COMPOSITION CONTAINING THE SAME 审中-公开
    生产改性聚合物,由该方法获得的改性聚合物的方法和含有该聚合物的橡胶组合物

    公开(公告)号:US20100016500A1

    公开(公告)日:2010-01-21

    申请号:US12446681

    申请日:2007-10-25

    IPC分类号: C08L9/00 C08F136/04

    摘要: A process for producing a modified polymer that exhibits low rolling resistance, excellent mechanical properties (e.g., tensile strength), high wet-skid resistance, and excellent wear resistance when vulcanized, a modified polymer obtained by the process, and a rubber composition containing the same. The process includes subjecting an alkali metal active end of a conjugated diene polymer to a modification reaction with an alkoxysilane compound, the conjugated diene polymer being produced by subjecting a diene monomer or a diene monomer and a monomer other than the diene monomer to anionic polymerization in a hydrocarbon solvent using an alkali metal initiator, and subjecting the resulting product to a condensation reaction in the presence of a condensation accelerator that includes a compound of at least one element among the elements of the groups 4A (excluding Ti), 2B, 3B, and 5B of the periodic table.

    摘要翻译: 一种改性聚合物的制造方法,其具有低滚动阻力,优异的机械性能(例如拉伸强度),高耐湿滑性和耐硫化性优异的耐磨性,通过该方法获得的改性聚合物和含有 相同。 该方法包括使共轭二烯聚合物的碱金属活性末端与烷氧基硅烷化合物进行改性反应,所述共轭二烯聚合物通过使二烯单体或二烯单体和除二烯单体以外的单体进行阴离子聚合而制备 使用碱金属引发剂的烃溶剂,并且在冷凝促进剂存在下使所得产物进行缩合反应,所述缩合促进剂包括4A族(不包括Ti),2B,3B等元素中的至少一种元素的化合物, 和5B。