A HEAT-SEAL RESIN AND PACKAGE FORMED THEREFROM
    3.
    发明申请
    A HEAT-SEAL RESIN AND PACKAGE FORMED THEREFROM 审中-公开
    一种热密封树脂和其形成的包装

    公开(公告)号:WO2012083104A1

    公开(公告)日:2012-06-21

    申请号:PCT/US2011/065332

    申请日:2011-12-16

    CPC classification number: C08L23/142 C08L2205/025

    Abstract: Provided is a heat-seal resin. The resin includes 5 wt% to 95 wt% of a first copolymer and 95 wt% to 5 wt% of a second copolymer based on the total weight of the resin. The first copolymer and the second copolymer together are 90 wt% or more of the total weight of the resin. The first copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the first copolymer are different. The first copolymer has an MFR of from 5 to 1000 g/ 10 minutes and a T fm of 66°C to 80°C. The second copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the second copolymer are different. The second copolymer has an MFR of from 0.5 to 5 g/ 10 minutes and a T fm of 45°C to 66°C, wherein the first copolymer has an MFR of at least 2 g/10 minutes greater and a T fm of at least 10°C greater than the second copolymer. There is also a package formed partly or entirely of the resin.

    Abstract translation: 提供一种热封树脂。 基于树脂的总重量,树脂包含5重量%至95重量%的第一共聚物和95重量%至5重量%的第二共聚物。 第一共聚物和第二共聚物一起是树脂总重量的90重量%以上。 第一共聚物包括2至4个碳原子的α-烯烃的第一单体和选自2至8个碳原子的α-烯烃的第二单体的第二单体。 第一共聚物的第一单体和第二单体是不同的。 第一共聚物的MFR为5〜1000g / 10分钟,Tfm为66〜80℃。 第二共聚物包括2至4个碳原子的α-烯烃的第一单体和选自2至8个碳原子的α-烯烃的第二单体的第二单体。 第二共聚物的第一单体和第二单体是不同的。 第二共聚物的MFR为0.5-5g / 10分钟,Tfm为45℃至66℃,其中第一共聚物的MFR至少为2g / 10分钟,Tfm为至少10 °C比第二共聚物大。 还有一部分或全部由树脂形成的包装。

    PROCESS FOR FLUID PHASE IN-LINE BLENDING OF POLYMERS
    4.
    发明申请
    PROCESS FOR FLUID PHASE IN-LINE BLENDING OF POLYMERS 审中-公开
    流体相聚合物在线共混过程

    公开(公告)号:WO2008082511A1

    公开(公告)日:2008-07-10

    申请号:PCT/US2007/025820

    申请日:2007-12-18

    Abstract: A process for fluid phase in-line blending of polymers. The process includes providing two or more reactor trains configured in parallel and a separator for product blending and product-feed separation; contacting in at least one of the parallel reactor trains olefin monomers having three or more carbon atoms, catalyst systems, optional comonomers, optional scavengers, and optional inert diluents or inert solvents, at a temperature above the solid-fluid phase transition temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 1500 MPa; forming a reactor effluent including a homogeneous fluid phase polymer-monomer mixture in each parallel reactor train; combining the reactor effluent from each parallel reactor; and passing the combined reactor effluent through the separator.

    Abstract translation: 流体相在线共混聚合物的方法。 该方法包括提供两个或更多个平行配置的反应器列和用于产物混合和产物进料分离的分离器; 在高于聚合物的固体 - 流体相转变温度的温度下,在至少一个平行的反应器列中具有三个或更多个碳原子的烯烃单体,催化剂体系,任选的共聚单体,任选的清除剂和任选的惰性稀释剂或惰性溶剂接触 系统,低于聚合体系浊点压力10MPa以下的压力小于1500MPa; 在每个平行的反应器列中形成包含均相流体相聚合物 - 单体混合物的反应器流出物; 将来自每个平行反应器的反应器流出物混合; 并使合并的反应器流出物通过分离器。

    PHASE SEPARATOR AND MONOMER RECYCLE FOR SUPERCRITICAL POLYMERIZATION PROCESS
    5.
    发明申请
    PHASE SEPARATOR AND MONOMER RECYCLE FOR SUPERCRITICAL POLYMERIZATION PROCESS 审中-公开
    用于超临界聚合方法的相分离器和单体回收

    公开(公告)号:WO2008076589A1

    公开(公告)日:2008-06-26

    申请号:PCT/US2007/085365

    申请日:2007-11-21

    Abstract: This invention relates to a process for polymerizing olefins, comprising the steps of: (a) contacting in one or more reactors, in a dense fluid homogeneous polymerization system, olefin monomers having three or more carbon atoms present at 30 weight % or more (based upon the weight of the monomers and comonomers entering the reactor), with: 1) one or more catalyst compounds, 2) one or more activators, 3) from 0 to 50 mole % comonomer (based upon the amount of the monomers and comonomers entering the reactor), and 4) 0 to 40 wt % diluent or solvent (based upon the weight of the polymerization system), at a temperature above the crystallization temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 200 MPa, where the polymerization system comprises the monomers, any comonomer present, any diluent or solvent present, any scavenger present, and the polymer product; (b) forming a reactor effluent comprising a polymer-monomer mixture; (c) optionally heating the polymer-monomer mixture of (b) after it exits the reactor and before or after the pressure is reduced in step (e); (d) collecting the polymer-monomer mixture of (b) in a separation vessel; (e) reducing the pressure of the reactor effluent comprising the polymer-monomer mixture of (b) below the cloud point pressure to form a two-phase mixture comprising a polymer-rich phase and a monomer rich phase either before or after collecting the polymer-monomer mixture in the separation vessel where the pressure in the reactor (or at least one reactor if more than one is in use) is between 7 and 100 MPa higher than the pressure in the separation vessel and the temperature in the separation vessel is above the crystallization temperature of the polymer or above 80°C if the polymer has no crystallization temperature, whichever is higher; (f) separating the monomer-rich phase from the polymer-rich phase; (g) recycling the separated monomer-rich phase to one or more reactors of (a); and (h) recovering polymer from the polymer-rich phase.

    Abstract translation: 本发明涉及一种聚合烯烃的方法,包括以下步骤:(a)在致密流体均相聚合体系的一个或多个反应器中接触具有30重量%或更多的三个或多个碳原子的烯烃单体(基于 当单体和共聚单体重量进入反应器时),其具有:1)一种或多种催化剂化合物,2)一种或多种活化剂,3)0至50摩尔%共聚单体(基于单体和共聚单体进入的量 反应器)和4)0至40重量%的稀释剂或溶剂(基于聚合体系的重量),在高于聚合体系的结晶温度的温度下,并且压力不低于浊点压力10MPa 的聚合体系并且小于200MPa,其中聚合体系包含单体,存在的任何共聚单体,存在的任何稀释剂或溶剂,存在的任何清除剂和聚合物产物; (b)形成包含聚合物 - 单体混合物的反应器流出物; (c)任选地在(b)的聚合物 - 单体混合物离开反应器之后和在步骤(e)中压力降低之前或之后加热; (d)在分离容器中收集(b)的聚合物 - 单体混合物; (e)降低包含低于浊点压力的(b)的聚合物 - 单体混合物的反应器流出物的压力,以在收集聚合物之前或之后形成包含富聚合物相和富单体相的两相混合物 单体混合物,其中反应器(或至少一个反应器如果使用多于一个的反应器)的压力比分离容器中的压力高7至100MPa,并且分离容器中的温度高于 聚合物的结晶温度或高于80℃,如果聚合物没有结晶温度,以较高者为准; (f)从富含聚合物的相分离富单体相; (g)将分离的富单体相循环到(a)的一个或多个反应器中; 和(h)从富聚合物相中回收聚合物。

    PROCESS FOR FEEDING ETHYLENE TO POLYMERIZATION REACTORS
    6.
    发明申请
    PROCESS FOR FEEDING ETHYLENE TO POLYMERIZATION REACTORS 审中-公开
    将乙烯送入聚合反应器的方法

    公开(公告)号:WO2010027491A1

    公开(公告)日:2010-03-11

    申请号:PCT/US2009/005000

    申请日:2009-09-04

    Abstract: Processes for feeding ethylene into a polymerization system operating in a liquid phase or supercritical phase, including providing a low -pressure ethylene stream, one or more low-pressure C3 to C20 monomer streams, an optional low-pressure inert solvent/diluent stream, and one or more reactors, metering and mixing the streams together to form an ethylene-carrying low-pressure blended liquid feed stream, pressurizing the ethylene-carrying low-pressure blended liquid feed stream to the polymenzation system pressure with one or more high-pressure pumps to form an ethylene-carrying high-pressure blended reactor feed stream, and feeding the ethylene- carrying high-pressure blended reactor feed stream to the one or more reactors. The monomer recycle stream may also be optionally blended with the ethylene feed stream and the C3 to C20 higher olefin before being pressurized to the reactor pressure.

    Abstract translation: 将乙烯进料到在液相或超临界相中操作的聚合体系中的方法,包括提供低压乙烯流,一种或多种低压C3至C20单体流,任选的低压惰性溶剂/稀释剂流,以及 一个或多个反应器,将流量计量并混合在一起以形成携带乙烯的低压混合液体进料流,将带乙烯的低压混合液体进料流加压到具有一个或多个高压泵的聚合系统压力 以形成携带乙烯的高压共混反应器进料流,并将携带乙烯的高压共混反应器进料流输送到一个或多个反应器。 在加压至反应器压力之前,单体再循环料流也可以任选地与乙烯进料流和C 3至C 20的较高级烯烃共混。

    IN-LINE PROCESS TO PRODUCE PELLET-STABLE POLYOLEFINS
    8.
    发明申请
    IN-LINE PROCESS TO PRODUCE PELLET-STABLE POLYOLEFINS 审中-公开
    在线工艺生产稳定的聚烯烃

    公开(公告)号:WO2009082463A1

    公开(公告)日:2009-07-02

    申请号:PCT/US2008/013857

    申请日:2008-12-18

    Abstract: An in-line fluid phase process for blending low crystallinity polymer components (LCPCs) and high crystallinity polymer components (HCPCs) to form pellet-stable polyolefin pellets is provided. The in-line process for producing the blend includes providing two or more parallel reactor trains and one or more separators for product blending and product-feed separation; wherein the two or more reactor trains producting the LCPC and HCPC blend components operate under fluid phase bulk homogeneous conditions, and at least one of the reactor trains operates under supercritical conditions. The HCPC blend component is a high crystallinity polypropylene-based polymer. The LCPC blend component is a low crystallinity ethylene-based or propylene-based polymer. The resultant blend pellets exhibit a reduced tendency or an eliminated tendency to agglomerate during shipping, handling and storage.

    Abstract translation: 提供了用于混合低结晶度聚合物组分(LCPC)和高结晶度聚合物组分(HCPC)以形成颗粒稳定的聚烯烃颗粒的在线流相方法。 用于生产混合物的在线方法包括提供两个或更多个平行的反应器列和用于产物共混和产物进料分离的一个或多个分离器; 其中产生LCPC和HCPC共混物组分的两个或多个反应器列在流体相体积均匀条件下操作,并且反应器列中的至少一个在超临界条件下操作。 HCPC共混组分是高结晶度聚丙烯基聚合物。 LCPC共混组分是低结晶度乙烯基或丙烯基聚合物。 所得到的混合颗粒在运输,处理和储存期间呈现降低的倾向或排除的结块趋势。

    IN-LINE BLENDING OF PLASTICIZERS WITH A BASE POLYMER
    10.
    发明申请
    IN-LINE BLENDING OF PLASTICIZERS WITH A BASE POLYMER 审中-公开
    使用基础聚合物在线混合塑料

    公开(公告)号:WO2009035579A1

    公开(公告)日:2009-03-19

    申请号:PCT/US2008/010516

    申请日:2008-09-09

    Abstract: A process for in-line blending of plasticizers and polymers in a single reactor train including one or more serially configured reactors, a high-pressure separator downstream fluidly connected to the train, and one or more storage tanks, wherein the train produces one or more base polymer components and the one or more storage tanks store one or more off-line produced plasticizers; contacting in the reactor train olefin monomers, catalyst systems and optional comonomers, scavengers, diluents or solvents, at a temperature above the solid-fluid phase transition temperature of the polymerization system and a pressure no lower than 10 MPa below the cloud point pressure of the polymerization system and less than 1500 MPa, forming a reactor effluent including a homogeneous mixture; passing the reactor effluent through theseparator to separate a monomer-rich phase from a polymer-rich phase; and feeding the plasticizers to the process after the reactor train.

    Abstract translation: 在包括一个或多个串联构造的反应器,流体连接到列车的下游的高压分离器和一个或多个储存罐的单个反应堆列中将增塑剂和聚合物在线共混的方法,其中该列车产生一个或多个 基础聚合物组分和一个或多个储存罐存储一个或多个离线生产的增塑剂; 在高于聚合体系的固体 - 流体相转变温度的温度下,在反应器中与烯烃单体,催化剂体系和任选的共聚单体,清除剂,稀释剂或溶剂接触,并且压力低于低于聚合体系的浊点压力10MPa 聚合体系和小于1500MPa,形成包含均匀混合物的反应器流出物; 使反应器流出物通过分离器以将富含单体的相与富聚合物相分离; 并在反应器列车之后将增塑剂进料到该过程。

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