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1.发明申请Propylene Random Block Copolymer, Resin Composition Containing the Copolymer and Molded Article Made Thereof 审中-公开丙烯无规嵌段共聚物，含有共聚物的树脂组合物及其制成的模制品公开(公告)号：US20090069523A1
公开(公告)日：2009-03-12
申请号：US12225689
申请日：2007-03-27
IPC分类号： C08F210/00
CPC分类号： C08F297/083 , C08L23/142 , C08L2207/02 , C08L23/16
摘要： The invention provides a propylene random block copolymer (A) that has a melt flow rate from 0.1 to 100 g/10 min and a melting point from 100 to 155° C. and includes 90 to 60% by weight of a portion insoluble (Dinsol) in n-decane at room temperature and 10 to 40% by weight of a portion soluble (Dsol) in n-decane at room temperature, wherein the Dinsol satisfies the following requirements (1) through (3) and the Dsol satisfies the following requirements (4) through (6). The invention further provides molded articles such as sheets, films, injection molded articles, hollow molded articles, injection blow molded articles and fibers, which are formed of the propylene random block copolymer (A) or a propylene resin composition containing the propylene random block copolymer (A). (1) The molecular weight distribution (Mw/Mn) obtained by GPC of the Dinsol is from 1.0 to 3.5, (2) the content of skeletons derived from ethylene in the Dinsol is from 0.5 to 13% by mole, (3) the total amount of 2,1- and 1,3-propylene units in the Dinsol is 0.2% by mole or less, (4) the molecular weight distribution (Mw/Mn) obtained by GPC of the Dsol is from 1.0 to 3.5, (5) the intrinsic viscosity [η] in decalin at 135° C. of the Dsol is from 1.5 to 4 dl/g and (6) the content of skeletons derived from ethylene in the Dsol is from 15 to 35% by mole.
摘要翻译： 本发明提供一种丙烯无规嵌段共聚物（A），其熔体流动速率为0.1-100g / 10min，熔点为100-155℃，包括90-60wt％的不溶物（Dinsol ）和室温下正癸烷中可溶解部分（Dsol）的10〜40重量％，其中，D insol为（1）〜（3），Dsol满足下述式 要求（4）至（6）。 本发明还提供了由丙烯无规嵌段共聚物（A）形成的成型制品，例如片材，薄膜，注塑制品，中空成型制品，注塑吹塑制品和纤维，或含丙烯无规嵌段共聚物 （一个）。 （1）由Dinsol得到的分子量分布（Mw / Mn）为1.0〜3.5，（2）由Dinsol得到的乙烯的骨架含量为0.5〜13摩尔％，（3） D insol中的2,1-和1,3-丙烯单元的总量为0.2摩尔％以下，（4）通过Dsol的GPC得到的分子量分布（Mw / Mn）为1.0〜3.5（ 5）Dsol的135℃萘烷中的特性粘度η为1.5〜4dl / g，（6）Dsol中衍生自乙烯的骨架含量为15〜35摩尔％。
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公开(公告)号：US08257822B2
公开(公告)日：2012-09-04
申请号：US12735686
申请日：2009-02-06
CPC分类号： C08F297/083 , B32B15/08 , B32B15/20 , B32B25/08 , B32B25/14 , B32B27/08 , B32B27/10 , B32B27/18 , B32B27/327 , B32B27/34 , B32B27/36 , B32B2264/10 , B32B2307/30 , B32B2307/306 , B32B2307/31 , B32B2307/412 , B32B2307/50 , B32B2307/546 , B32B2307/558 , B32B2439/70 , B32B2439/80 , Y10T428/2495 , Y10T428/31938
摘要： Provided is a film for thermal sterilization packaging which is excellent in a total balance of characteristics such a transparency, an impact resistance, a heat sealing property, a blocking resistance, a heat resistance and the like.The film for thermal sterilization packaging according to the present invention is characterized by comprising: an outer layer containing a propylene/ethylene block copolymer (A) which has a melt flow rate (MFR; ASTM D1238, 230° C., load: 2.16 kg) in the range of 1 to 10 g/10 minutes and a melting point in the range of 150 to 170° C. measured by means of a differential scanning colorimeter. (DSC) and which is constituted from 90 to 80% by weight of a part (Dinsol) insoluble in n-decane at room temperature satisfying the specific requisites and 10 to 20% by weight of a part (Dsol) soluble in n-decane at room temperature satisfying the specific requisites and an intermediate layer or an outer layer containing a propylene/ethylene block copolymer (B) which is not the same as the above propylene/ethylene block copolymer (A).
摘要翻译： 本发明提供一种热敏杀菌包装用膜，其透明性，耐冲击性，热封性，耐粘连性，耐热性等特性的总体平衡优异。 根据本发明的用于加热灭菌包装的薄膜的特征在于包括：含有丙烯/乙烯嵌段共聚物（A）的外层，其具有熔体流动速率（MFR; ASTM D1238,230℃，载荷2.16kg ）在1至10g / 10分钟的范围内，并且通过差示扫描色度计测量在150至170℃范围内的熔点。 （DSC），其由在室温下不溶于正癸烷的部分（Dinsol）90〜80重量％构成，满足特定要求，10〜20重量％的可溶于正癸烷的部分（Dsol） 满足特定要求的室温和含有与上述丙烯/乙烯嵌段共聚物（A）不同的丙烯/乙烯嵌段共聚物（B）的中间层或外层。
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公开(公告)号：US20070021022A1
公开(公告)日：2007-01-25
申请号：US11397946
申请日：2006-04-05
CPC分类号： D04H3/018 , B32B5/26 , D01F8/06 , D04H3/007 , D04H3/14 , Y10T428/2913 , Y10T428/2915 , Y10T428/2922 , Y10T428/2924 , Y10T428/2929 , Y10T428/2931 , Y10T442/60 , Y10T442/608 , Y10T442/627 , Y10T442/629 , Y10T442/637 , Y10T442/641
摘要： The invention provides a nonwoven fabric of crimped conjugate fibers comprising (1) a first propylene-based polymer component and (2) a second propylene-based polymer component, and a laminate of the nonwoven fabric and other nonwoven fabrics or porous films, in which the melting point of the component (1) is higher by at least 20° C. than that of the component (2) a ratio of the two components in melt flow rate (component (2)/component (1)) is in the range of 0.8 to 1.2, and the component ratio expressed by (1)/(2) (by weight) is 50/50 to 5/95. The nonwoven fabric has an excellent bulkiness and softness, is excellent in terms of spinnability and fuzzing resistance, and can be spun by a conventional melt spinning. The laminate has further improved water impermeability and surface smoothness. The nonwoven fabric and the laminate using the same may both be used for disposable diapers or sanitary napkins.
摘要翻译： 本发明提供一种卷曲复合纤维无纺布，其包含（1）第一丙烯类聚合物成分和（2）第二丙烯类聚合物成分，以及无纺布等无纺布或多孔膜的层叠体，其中 组分（1）的熔点比组分（2）的熔点高至少20℃，熔体流动速率（组分（2）/组分（1））中的两种组分的比例在 范围为0.8〜1.2，由（1）/（2）（重量比）表示的成分比例为50/50〜5/95。 非织造布具有优异的膨松度和柔软性，在可纺性和抗起毛性方面优异，并且可以通过常规熔融纺丝纺丝。 层压板进一步提高了不透水性和表面平滑度。 无纺布和使用该非织造织物的层压体都可以用于一次性尿布或卫生巾。
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公开(公告)号：US06355348B1
公开(公告)日：2002-03-12
申请号：US09622009
申请日：2000-08-11
申请人： Kunihiko Takesue , Masahiro Kishine
发明人： Kunihiko Takesue , Masahiro Kishine
IPC分类号： D01F800
CPC分类号： D04H3/16 , D01D5/11 , D01F1/04 , D01F6/04 , D01F6/06 , D01F6/30 , D01F8/06 , D04H1/559 , D04H1/56 , D04H3/147 , Y10T428/2924 , Y10T428/2929 , Y10T428/2931
摘要： The conjugate fiber nonwoven fabric of the present invention comprises conjugate fibers, preferably core-sheath-type or side-by-side-type conjugate fibers, composed of a polyethylene-based resin (A) having a higher melting point in the range of 120 to 135° C. and a lower melting point in the range of 90 to 125° C., which is lower than the above higher melting point at least by 5° C., and a high-melting point resin (B) whose melting point is higher than that of the above polyethylene-based resin (A) by 10° C. or more, the component ratio by weight of the polyethylene-based resin (A) to the high-melting point resin (B) (A/B) being in the range of 50/50 to 10/90, and the polyethylene-based resin (A) forming at least part of the surface of the fiber longitudinally continuously. This conjugate fiber nonwoven fabric has an excellent softness and a high strength, and it is suitably used as a nonwoven fabric for sanitary materials.
摘要翻译： 本发明的复合纤维无纺布包括由熔点在120℃以上的聚乙烯类树脂（A）构成的复合纤维，优选芯鞘型或并列型复合纤维 和低于上述高于至少5℃的较高熔点的90至125℃范围内的较低熔点和熔点高的熔点高的树脂（B） 点高于上述聚乙烯类树脂（A）10℃以上，聚乙烯系树脂（A）与高熔点树脂（B）的重量比（A / B）在50/50至10/90的范围内，并且聚乙烯基树脂（A）纵向连续地形成纤维的表面的至少一部分。 该复合纤维无纺布具有优异的柔软性和高强度性，适用作卫生材料用无纺布。
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公开(公告)号：US5804517A
公开(公告)日：1998-09-08
申请号：US936434
申请日：1997-09-24
申请人： Hiroshi Ishii , Kunihiko Takesue , Kunie Hiroshige
发明人： Hiroshi Ishii , Kunihiko Takesue , Kunie Hiroshige
CPC分类号： D01F8/06 , D04H1/54 , Y10T442/637 , Y10T442/641 , Y10T442/678
摘要： A flexible nonwoven fabric comprising conjugate long fibers of sheath-core type comprising a core of a resin having a high melting point and a polyethylene sheath is provided. The fiber has a weight ratio of the resin of the high melting point to the polyethylene of from 5/95 to 20/80 and a fineness of up to 3.0 denier, and the nonwoven fabric has a sum of bending resistance in machine and transverse directions as measured by Clark method (method C in JIS L1096) of up to 80 mm. The flexible nonwoven fabric has excellent texture and frictional resistance. A laminate comprising such flexible nonwoven fabric and a gas-permeable film is also provided.
摘要翻译： 提供了包含包含具有高熔点的树脂芯和聚乙烯鞘的皮芯型共轭长纤维的柔性无纺布。 该纤维的高熔点树脂与聚乙烯的重量比为5/95〜20/80，纤度为3.0旦尼尔，无纺布的纵向和横向的弯曲阻力的和 如通过Clark方法（JIS L1096中的方法C）测量的，最高达80mm。 柔性无纺布具有优异的质地和摩擦阻力。 还提供了包含这种柔性非织造织物和透气膜的层压体。
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