COATED FILMS AND PACKAGES FORMED FROM SAME
    1.
    发明申请
    COATED FILMS AND PACKAGES FORMED FROM SAME 审中-公开
    涂层膜和由其形成的包装

    公开(公告)号:WO2017210087A1

    公开(公告)日:2017-12-07

    申请号:PCT/US2017/034525

    申请日:2017-05-25

    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a film comprising (i) a first layer comprising from 70 to 100 percent by weight of a polyethylene having a density 0.930 g/cm 3 or less and a peak melting point of less than 126°C; (ii) a second layer comprising from 60 to 100 percent by weight polyethylene having a density of 0.905 to 0.970 g/cm 3 and a peak melting point in the range of 100° C to 135° C; and (iii) at least one inner layer between the first layer and the second layer comprising from 40 to 100 percent by weight of a polyethylene having a density from 0.930 to 0.970 g/cm 3 and a peak melting point in the range of 120° C to 135° C, wherein the polyethylene is a medium density polyethylene or a high density polyethylene; and (b) a coating on an outer surface of the second layer of the film comprising a crosslinked polyurethane, wherein the coating is substantially free of isocyanate groups. In some embodiments, the coated film is thermally resistant when subjected to a W-fold test at a temperature of at least 230° F, and/or has a gloss of at least 70 units at 60°.

    Abstract translation: 本发明提供了由这种膜形成的涂覆膜和包装。 在一个方面,涂覆膜包含(a)包含(i)第一层和第二层的膜,所述第一层包含70至100重量%的密度为0.930g / cm 3或更小的聚乙烯和 峰值熔点低于126℃; (ii)第二层,其包含60至100重量%的聚乙烯,其密度为0.905至0.970g / cm 3且峰值熔点为100℃; C到135° C; 和(iii)第一层和第二层之间的至少一个内层,其包含40至100重量%的密度为0.930至0.970g / cm 3的聚乙烯和峰值熔融 指向120°的范围内。 C到135° 其中聚乙烯是中密度聚乙烯或高密度聚乙烯; 和(b)在包含交联聚氨酯的膜的第二层的外表面上的涂层,其中涂层基本上不含异氰酸酯基团。 在一些实施方案中,当在至少230℃的温度下进行W-折叠测试时,涂覆的薄膜是耐热的。 F,和/或在60℃时具有至少70个单位的光泽。

    POLYETHYLENE COMPOSITIONS HAVING REDUCED PLATE OUT, AND FILMS MADE THEREFROM HAVING REDUCED BLOOMING
    2.
    发明申请
    POLYETHYLENE COMPOSITIONS HAVING REDUCED PLATE OUT, AND FILMS MADE THEREFROM HAVING REDUCED BLOOMING 审中-公开
    具有减少板的聚乙烯组合物,以及具有减少蒸发的膜的膜

    公开(公告)号:WO2012054395A1

    公开(公告)日:2012-04-26

    申请号:PCT/US2011/056553

    申请日:2011-10-17

    Abstract: The instant invention provides polyethylene compositions having reduced plate out, and films made therefrom having reduced blooming. The polyethylene composition suitable for film applications according to the present invention comprises the melt blending product of: (a) an ethylene based polymer; (b) a first antioxidant system comprising one or more antioxidants selected from the group consisting of Octadecyl-3-(3,5-di-tert.butyl-4-hydroxyphenyl)-propionate; Pentaerythritol Tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); and combinations thereof; (c) a second antioxidant system comprising a liquid phosphite corresponding to the formula [4-(2-methylbutan-2-yl)phenyl]x[2,4-bis(2-methylbutan-2-yl)phenyl]3-x phosphate, wherein x = 0, 1, 2, 3, or combinations thereof; and (d) optionally one or more neutralizing agents.

    Abstract translation: 本发明提供具有减少的平板化的聚乙烯组合物和由其制成的膜具有减少的起霜。 适用于根据本发明的薄膜应用的聚乙烯组合物包括熔融共混产物:(a)基于乙烯的聚合物; (b)包含一种或多种选自十八烷基-3-(3,5-二叔丁基-4-羟基苯基) - 丙酸酯的抗氧化剂的第一抗氧化剂体系; 季戊四醇四(3-(3,5-二 - 叔丁基-4-羟基苯基)丙酸酯); 及其组合; (c)第二抗氧化剂体系,其包含对应于式[4-(2-甲基丁-2-基)苯基] x [2,4-双(2-甲基丁-2-基)苯基] 3-x 磷酸盐,其中x = 0,1,2,3或其组合; 和(d)任选的一种或多种中和剂。

    POLYOLEFIN BASED STRETCHED FILMS INCORPORATING MECHANOCHROMIC DYES AND METHOD TO USE SAME
    3.
    发明申请
    POLYOLEFIN BASED STRETCHED FILMS INCORPORATING MECHANOCHROMIC DYES AND METHOD TO USE SAME 审中-公开
    含有机械变色染料的聚烯烃基拉伸膜及其使用方法

    公开(公告)号:WO2018064155A1

    公开(公告)日:2018-04-05

    申请号:PCT/US2017/053697

    申请日:2017-09-27

    Abstract: The present disclosure relates to a multilayer stretch film comprising at least a first layer, wherein said first layer comprises a polyolefin resin. The film of this aspect of the disclosure further include at least a second layer, and a mechanochromic dye which may be in any or all layers of the film. Another aspect of the disclosure is a method of promoting optimal stretching of stretch film during a wrapping operation, which method comprises at least the following steps. A polyolefin resin is selected that has a given density. Selecting a mechanochromic dye based on its ability to agglomerate in an unstretched film made from the polyolefin resin having the given density, such that when the dye is included in the film, the unstretched film will exhibit a first color. Admixing the mechanochromic dye into a melt of the polyolefin resin. Forming a film from the admixture of the previous step. Wrapping an object using the film of the previous step, while stretching the film to a level where a change from the first color to a second color can be observed.

    Abstract translation: 本公开涉及包含至少第一层的多层拉伸膜,其中所述第一层包含聚烯烃树脂。 本公开内容的该方面的膜进一步包括至少第二层和可以在膜的任何或全部层中的机械变色染料。 本公开的另一方面是促进包裹操作期间拉伸膜的最佳拉伸的方法,该方法至少包括以下步骤。 选择具有给定密度的聚烯烃树脂。 基于其在由具有给定密度的聚烯烃树脂制成的未拉伸膜中聚集的能力选择机械变色染料,使得当包含染料时,未拉伸膜将呈现第一颜色。 将机械变色染料混入聚烯烃树脂的熔体中。 由前一步骤的混合物形成薄膜。 使用上一步的胶片包装物体,同时将胶片拉伸到可以观察到从第一种颜色变为第二种颜色的水平。

    A SEALANT COMPOSITION, METHOD OF PRODUCING THE SAME
    6.
    发明申请
    A SEALANT COMPOSITION, METHOD OF PRODUCING THE SAME 审中-公开
    密封组合物,其生产方法

    公开(公告)号:WO2012061168A1

    公开(公告)日:2012-05-10

    申请号:PCT/US2011/057780

    申请日:2011-10-26

    Abstract: The instant invention is a sealant composition, method of producing the same, articles made therefrom, and method for forming such articles. The sealant composition according to the present invention comprises: (a) from 70 to 99.5 percent by weight of an ethylene/α-olefin interpolymer composition, based on the total weight of the sealant composition, wherein said ethylene/α-olefin interpolymer composition comprises an ethylene/α-olefin interpolymer, wherein ethylene/α-olefin interpolymer has a Comonomer Distribution Constant (CDC) in the range of from 15 to 250, and a density in the range of from 0.875 to 0.963 g/cm 3 , a melt index (I2) in a range of from 0.2 to 20 g/ 10 minutes, and long chain branching frequency in the range of from 0.02 to 3 long chain branches (LCB) per 1000C; (b) from 0.5 to 30 percent by weight of a propylene/α-olefin interpolymer composition, wherein said propylene/α-olefin interpolymer composition comprises a propylene/α-olefin copolymer or a propylene/ethylene/butene terpolymer, wherein said propylene/α-olefin copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram, and a DSC melting point in the range of 25° C to 110° C.

    Abstract translation: 本发明是密封剂组合物,其制造方法,由其制成的制品,以及形成这种制品的方法。 根据本发明的密封剂组合物包含:(a)70-59.5重量%的乙烯/α-烯烃互聚物组合物,基于密封剂组合物的总重量,其中所述乙烯/α-烯烃互聚物组合物包含 乙烯/α-烯烃互聚物,其中乙烯/α-烯烃互聚物的共聚单体分布常数(CDC)为15-250,密度范围为0.875-0.963g / cm3,熔体指数 (I 2)在0.2至20g / 10分钟的范围内,长链支化频率范围为0.02至3个长支链(LCB)/ 1000℃; (b)0.5至30重量%的丙烯/α-烯烃互聚物组合物,其中所述丙烯/α-烯烃互聚物组合物包含丙烯/α-烯烃共聚物或丙烯/乙烯/丁烯三元共聚物,其中所述丙烯/ α-烯烃共聚物的结晶度在1重量%至30重量%的范围内,熔融热在2焦耳/克至50焦耳/克范围内,DSC熔点在 25°C至110°C

    FLEXIBLE CONTAINER WITH A SPRAY VALVE
    8.
    发明申请
    FLEXIBLE CONTAINER WITH A SPRAY VALVE 审中-公开
    带喷雾阀的柔性容器

    公开(公告)号:WO2016168278A1

    公开(公告)日:2016-10-20

    申请号:PCT/US2016/027259

    申请日:2016-04-13

    Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) four panels, each panel formed from a flexible multilayer film. The flexible multilayer film is composed of one or more polymeric materials. The four panels form (i) a body, and (ii) a neck. The flexible container includes (B) a fitment. The fitment includes a top portion and a base. The base is composed of a polymeric material. The base is sealed in the neck. The flexible container includes (C) a sleeve and bag-on-valve assembly, or SBoV. The SBoV includes a valve seat, a bladder, and an elastic sleeve. (D) The bladder and the elastic sleeve are inserted through the fitment and are located in the body. (E) The valve seat is attached to the fitment.

    Abstract translation: 本公开提供了一种柔性容器。 在一个实施例中,柔性容器包括(A)四个面板,每个面板由柔性多层膜形成。 柔性多层膜由一种或多种聚合材料组成。 四个面板形成(i)身体,(ii)颈部。 弹性容器包括(B)配件。 配件包括顶部和底座。 基底由聚合物材料组成。 基部密封在颈部。 柔性容器包括(C)套筒和袋装阀组件或SBoV。 SBoV包括阀座,气囊和弹性套筒。 (D)膀胱和弹性套筒插入穿过配件并位于体内。 (E)阀座连接到配件上。

    POLYETHYLENE BLEND COMPOSITION SUITABLE FOR BLOWN FILM, METHOD OF PRODUCING THE SAME, AND FILMS MADE THEREFROM
    9.
    发明申请
    POLYETHYLENE BLEND COMPOSITION SUITABLE FOR BLOWN FILM, METHOD OF PRODUCING THE SAME, AND FILMS MADE THEREFROM 审中-公开
    适用于薄膜的聚乙烯混合组合物,其制备方法和其制备的薄膜

    公开(公告)号:WO2013009511A1

    公开(公告)日:2013-01-17

    申请号:PCT/US2012/045218

    申请日:2012-07-02

    Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm 3 , and a melt index (I 2 ) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (M w /M n ) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogeneous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm 3 , and a melt index (I 2 ) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants. When the polyethylene blend-composition is formed into a film via blown film process, the output rate is improved at least 6 percent relative to a similar linear low density polyethylene.

    Abstract translation: 本发明提供了适用于吹塑薄膜的聚乙烯共混组合物,其制备方法和由其制成的薄膜。 适用于本发明吹塑薄膜的聚乙烯共混组合物包括:(a)小于或等于4重量%的密度范围为0.915至0.915的低密度聚乙烯(LDPE)的熔融共混产物 0.935g / cm 3,熔体指数(I 2)在大于0.8至小于或等于5g / 10分钟的范围内,分子量分布(Mw / Mn)为6至10 ; (b)90重量%以上的密度为0.917〜0.950g / cm 3的异相线性低密度聚乙烯(hLLDPE),熔体指数(I 2)为0.1〜小于 或等于5g / 10分钟; (c)任选的基于水滑石的中和剂; (d)任选的一种或多种成核剂; 和(e)任选的一种或多种抗氧化剂。 当聚乙烯共混物组合物通过吹膜法形成膜时,相对于类似的线性低密度聚乙烯,输出速率提高至少6%。

    AN ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN SHRINKAGE FILM APPLICATIONS, AND ARTICLES MADE THEREFROM
    10.
    发明申请
    AN ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN SHRINKAGE FILM APPLICATIONS, AND ARTICLES MADE THEREFROM 审中-公开
    适用于收缩膜应用的乙烯/丙烯酰胺嵌段共聚物及其制品

    公开(公告)号:WO2012044291A1

    公开(公告)日:2012-04-05

    申请号:PCT/US2010/050745

    申请日:2010-09-29

    Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85°C to 90°C and from 90°C to 95°C, comprising a weight fraction ratio of > 0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95°C and 100°C and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95°C and 100°C, and wherein the ethylene/alpha-olefin interpolymer has a density in the range of 0.920 to 0.940 g/cm 3 .

    Abstract translation: 本发明提供了适用于收缩膜应用的乙烯/α-烯烃互聚物和由其制成的制品。 根据本发明的乙烯/α-烯烃互聚物具有小于60%的CDBI,并且在85℃至90℃和90℃下从乙烯/α-烯烃互聚物的交叉分馏中至少包含两个馏分 95℃,重量分数比> 0.68,分子量均匀度指数大于0.65; 其中重量分数比是每个级分中聚合物的重量比除以95℃至100℃之间的聚合物重量的比例,分子量均匀度指数是聚合物的重均分子量 该分数除以在95℃和100℃之间洗脱的聚合物的重均分子量,其中乙烯/α-烯烃互聚物的密度在0.920至0.940g / cm3的范围内。

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