MULTILAYER FILMS
    11.
    发明公开
    MULTILAYER FILMS 审中-公开

    公开(公告)号:US20240336043A1

    公开(公告)日:2024-10-10

    申请号:US18293804

    申请日:2021-10-22

    Abstract: A multilayer film comprising at least three layers including (a) at least a first polyolefin layer, wherein the at least first polyolefin layer comprises a first outer layer of the multilayer film: (b) at least a second polyolefin layer, wherein the at least second polyolefin layer comprises a core layer of the multilayer film; and (c) at least a third polyolefin layer, wherein the at least third polyolefin layer comprises a second outer layer (or other layer such as a sealant layer) of the multilayer film: wherein the layers are as described.

    Ethylene/Octene Multi-Block Copolymer and Process for Producing Same

    公开(公告)号:US20230058913A1

    公开(公告)日:2023-02-23

    申请号:US17788856

    申请日:2020-12-23

    Abstract: The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and octene under polymerization conditions at a temperature greater than 125° C. with a catalyst system comprising (i) a first polymerization catalyst having the structure of Formula (III), a second polymerization catalyst having the structure of Formula (I), and (iii) a chain shuttling agent. The process includes forming an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25. The present disclosure provides the resultant composition produced by the process. In an embodiment, the composition includes an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25.

    PROCESS TO PRODUCE ENHANCED MELT STRENGTH ETHYLENE/ALPHA-OLEFIN COPOLYMERS AND ARTICLES THEREOF
    19.
    发明申请
    PROCESS TO PRODUCE ENHANCED MELT STRENGTH ETHYLENE/ALPHA-OLEFIN COPOLYMERS AND ARTICLES THEREOF 有权
    生产增强熔体强度乙烯/丙烯共聚物的方法及其制品

    公开(公告)号:US20160326283A1

    公开(公告)日:2016-11-10

    申请号:US15216473

    申请日:2016-07-21

    Abstract: An ethylene/α-olefin copolymer comprising units derived from ethylene; and units derived from at least one α-olefin; wherein the ethylene/α-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/α-olefin copolymer is provided. Also provided is a process for producing an ethylene/α-olefin copolymer comprising: (1) polymerizing ethylene and one or more α-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/α-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.

    Abstract translation: 包含衍生自乙烯的单元的乙烯/α-烯烃共聚物; 和衍生自至少一种α-烯烃的单元; 其中所述乙烯/α-烯烃共聚物的密度在0.90至0.94g / cc的范围内; 熔体指数(I 2)在0.05至50dg / min的范围内; Mw / Mn为3至5; 并且提供了乙烯/α-烯烃共聚物中每100万个碳原子的300-500个乙烯基不饱和度。 还提供了一种生产乙烯/α-烯烃共聚物的方法,包括:(1)在聚合反应器中聚合乙烯和一种或多种α-烯烃; (2),由此产生具有每1,000,000个碳原子具有300-500个乙烯基不饱和单元的增强的熔融强度乙烯/α-烯烃共聚物,密度在0.90-0.94g / cc范围内; 熔体指数(I 2)在0.05至50dg / min的范围内; Mw / Mn为3〜5。

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