Mono- and multi-layer films and articles made therefrom

    公开(公告)号:US10308741B2

    公开(公告)日:2019-06-04

    申请号:US14175264

    申请日:2014-02-07

    Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg@190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg@190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.

    CUSHIONING MATERIALS COMPRISING ETHYLENE/ALPHA-OLEFIN COPOLYMER BLENDS
    54.
    发明申请
    CUSHIONING MATERIALS COMPRISING ETHYLENE/ALPHA-OLEFIN COPOLYMER BLENDS 审中-公开
    包含乙烯/丙烯共聚物共混物的填充材料

    公开(公告)号:US20160122925A1

    公开(公告)日:2016-05-05

    申请号:US14927958

    申请日:2015-10-30

    CPC classification number: D04H3/03 D04H3/007 D04H3/16 D10B2321/021

    Abstract: Embodiments of a cushioning net structure comprise an ethylene/α-olefin copolymer blend arranged in a three-dimensional random loop orientation, wherein a plurality of random loops are bonded together, The ethylene/α-olefin copolymer blend comprises a homogeneously branched random ethylene/α-olefin copolymer and a heterogeneously branched random ethylene/α-olefin copolymer having a molecular weight distribution (MWD) of about 2.5 to about 4.5, wherein MWD is defined as Mw/Mn with Mw being a weight average molecular weight and Mn being a number average molecular weight, a melt index (I2) of about 3.0 g/10 mins to about 25.0 g/10 mins when measured according to ASTM D1238 at 190° C. and 2.16 kg load, and a density of about 0.895 to about 0.925 g/cm3.

    Abstract translation: 缓冲网结构的实施方案包括以三维随机环取向排列的乙烯/α-烯烃共聚物共混物,其中多个无规环结合在一起。乙烯/α-烯烃共聚物共混物包含均匀分支的无规乙烯/ α-烯烃共聚物和分子量分布(MWD)为约2.5至约4.5的非均匀支化的无规乙烯/α-烯烃共聚物,其中MWD定义为Mw / Mn,Mw为重均分子量,Mn为 数均分子量,当根据ASTM D1238在190℃和2.16kg负荷下测量时,熔体指数(I 2)为约3.0g / 10mins至约25.0g / 10min,密度为约0.895至约0.925 g / cm3。

    MULTILAYERED POLYOLEFIN FILMS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME
    55.
    发明申请
    MULTILAYERED POLYOLEFIN FILMS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME 审中-公开
    多层聚烯烃薄膜及其制造方法及其相关文章

    公开(公告)号:US20150231861A1

    公开(公告)日:2015-08-20

    申请号:US14183949

    申请日:2014-02-19

    Abstract: Disclosed herein is a multilayer film comprising two outer layers; where each outer layer comprises polyethylene; two tie layers; where each tie layer comprises a crystalline block copolymer composite; where each tie layer has a first face and a second face that are opposed to each other, and where the first face of each tie layer contacts at least one outer layer; and a core layer; where the core layer comprises a polypropylene; where the second face of each tie layer contacts the core layer; and where the core layer has a thicknesses that is greater than 50% of the total thickness of the multilayer film.

    Abstract translation: 本文公开了包含两个外层的多层膜; 其中每个外层包含聚乙烯; 两个领带; 其中每个粘结层包含结晶嵌段共聚物复合材料; 其中每个连接层具有彼此相对的第一面和第二面,并且每个连接层的第一面接触至少一个外层; 和核心层; 其中芯层包含聚丙烯; 其中每个连接层的第二面接触芯层; 并且其中芯层的厚度大于多层膜的总厚度的50%。

    Electronic device module comprising polyolefin copolymer
    56.
    发明授权
    Electronic device module comprising polyolefin copolymer 有权
    包含聚烯烃共聚物的电子器件模块

    公开(公告)号:US08592679B2

    公开(公告)日:2013-11-26

    申请号:US13667744

    申请日:2012-11-02

    Abstract: An electronic device module comprising: A. At least one electronic device, e.g., a solar cell, and B. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising (1) a polyolefin copolymer with at least one of (a) a density of less than about 0.90 g/cc, (b) a 2% secant modulus of less than about 150 megaPascal (mPa) as measured by ASTM D-882-02), (c) a melt point of less than about 95 C, (d) an ∀-olefin content of at least about 15 and less than about 50 wt % based on the weight of the polymer, (e) a Tg of less than about −35 C, and (f) a SCBDI of at least about 50, (2) optionally, free radical initiator, e.g., a peroxide or azo compound, or a photoinitiator, e.g., benzophenone, and (3) optionally, a co-agent. Typically, the polyolefin copolymer is an ethylene/∀-olefin copolymer. Optionally, the polymeric material can further comprise a vinyl silane and/or a scorch inhibitor, and the copolymer can remain uncrosslinked or be crosslinked.

    Abstract translation: 一种电子设备模块,包括:A.至少一个电子设备,例如太阳能电池和B.与所述电子设备的至少一个表面紧密接触的聚合材料,所述聚合材料包含(1)聚烯烃共聚物, (a)小于约0.90g / cc的密度,(b)通过ASTM D-882-02测量的小于约150兆帕(mPa)的2%割线模量中的至少一个),(c) 熔点小于约95℃,(d)基于聚合物的重量,至少约15至小于约50重量%的烯烃含量,(e)小于约-35℃的Tg, 和(f)至少约50的SCBDI,(2)任选的自由基引发剂,例如过氧化物或偶氮化合物,或光引发剂,例如二苯甲酮,和(3)任选的助剂。 通常,聚烯烃共聚物是乙烯/∀-烯烃共聚物。 任选地,聚合物材料还可以包含乙烯基硅烷和/或焦烧抑制剂,并且共聚物可保持未交联或交联。

Patent Agency Ranking