PROCESS FOR THE OLEFIN POLYMERIZATION USING MULTIPLE LOOP REACTORS
    94.
    发明申请
    PROCESS FOR THE OLEFIN POLYMERIZATION USING MULTIPLE LOOP REACTORS 审中-公开
    使用多环路反应器进行烯烃聚合的方法

    公开(公告)号:WO2009027197A1

    公开(公告)日:2009-03-05

    申请号:PCT/EP2008/060411

    申请日:2008-08-07

    Abstract: A process for the slurry polymerization of one or more α-olefins in a sequence of at least two loop reactors interconnected by means of a transfer line, the transfer of polymer from a first loop reactor to a second loop reactor comprising the steps: i) establishing a recycle of polymer slurry to the second loop reactor by means of said transfer line, whereby a fraction of polymer slurry S1 withdrawn from said second loop reactor is continuously recycled back to it; ii) discharging a fraction of polymer slurry produced in the first loop reactor into a discharge line connected to said transfer line;

    Abstract translation: 一种用于通过传输线互连的至少两个环管反应器的序列中的一种或多种α-烯烃的淤浆聚合的方法,聚合物从第一回路反应器转移到第二回路反应器,包括步骤:i) 通过所述传输管线建立聚合物浆料到第二回路反应器的再循环,由此从所述第二回路反应器排出的聚合物浆料S1的一部分被连续循环回到其中; ii)将在第一回路反应器中产生的聚合物淤浆的一部分排放到与所述输送管线相连的排出管线中;

    BIMODAL POLYETHYLENE RESINS THAT HAVE HIGH STIFFNESS AND HIGH ESCR
    96.
    发明申请
    BIMODAL POLYETHYLENE RESINS THAT HAVE HIGH STIFFNESS AND HIGH ESCR 审中-公开
    双重聚乙烯树脂具有高耐磨性和高耐磨性

    公开(公告)号:WO2008137722A1

    公开(公告)日:2008-11-13

    申请号:PCT/US2008/062474

    申请日:2008-05-02

    Abstract: A bimodal polyethylene having a high density ranging from about 0.955 to about 0.959 g/cc, an improved environmental stress cracking resistance (ESCR) of from about 400 to about 2500 hours, and an improved 0.4% flesxural modulus of from about 180,000 to about 260,000 psi (1,200 MPa to about 1,800 MPa) may be formed using a Ziegler-Natta polymerization catalyst using two reactors in series. The bimodal polyethylene may have a high load melt index (HLMI) of from about 2 and about 30 dg/min and may be optionally made with a small amount of alpha-olefinic comonomer in the second reactor. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

    Abstract translation: 具有约0.955至约0.959g / cc的高密度的双峰聚乙烯,约400至约2500小时的改善的耐环境应力开裂性(ESCR)以及约180,000至约260,000的改善的0.4%纤维模量 可以使用串联的两个反应器的齐格勒 - 纳塔聚合催化剂形成psi(1,200MPa至约1800MPa)。 双峰聚乙烯可以具有约2和约30dg / min的高负载熔体指数(HLMI),并且可以任选地在第二反应器中用少量的α-烯烃共聚单体制备。 要强调的是,该摘要被提供以符合要求摘要的规则,这将允许搜索者或其他读者快速确定技术公开的主题。 提交它的理解是,它不会用于解释或限制权利要求的范围或含义。 37 CFR 1.72(b)。

    HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME, INJECTION MOLDED ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES
    97.
    发明申请
    HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME, INJECTION MOLDED ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES 审中-公开
    高密度聚乙烯组合物,其制备方法,注射成型制品及制造这些制品的方法

    公开(公告)号:WO2008136849A1

    公开(公告)日:2008-11-13

    申请号:PCT/US2007/082502

    申请日:2007-10-25

    Abstract: The instant invention is a high-density polyethylene composition, method of producing the same, injection molded articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The method of producing a high-density polyethylene composition includes the following steps: (1) introducing ethylene, and one or more alpha-olefin comonomers into a first reactor; (2) (co)polymerizing the ethylene in the presence of one or more alpha-olefin comonomers in the first reactor thereby producing a first component, wherein the first component being a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes; (3) introducing the first component and additional ethylene into a second reactor; (4) polymerizing the additional ethylene in the second reactor thereby producing a second component, wherein the second component being a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes; and (5) thereby producing the high-density polyethylene composition, wherein the high-density polyethylene composition having a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The injection molded articles according to instant invention comprise the above-described inventive high-density polyethylene composition, and such articles are made via injection molding.

    Abstract translation: 本发明是高密度聚乙烯组合物,其制造方法,由其制成的注塑制品及其制造方法。 本发明的高密度聚乙烯组合物包括第一组分和第二组分。 第一组分是密度在0.920至0.946g / cm 3范围内且熔体指数(I 21.6)在1至15g / 10分钟范围内的高分子量乙烯α-烯烃共聚物。 第二组分是密度在0.965至0.980g / cm 3范围内的熔融指数(I 2)在30至1500g / 10分钟范围内的低分子量乙烯聚合物。 高密度聚乙烯组合物的熔体指数(I 2)至少为1,密度在0.950至0.960g / cm3的范围内。 制备高密度聚乙烯组合物的方法包括以下步骤:(1)将乙烯和一种或多种α-烯烃共聚单体引入第一反应器; (2)(共)在第一反应器中在一种或多种α-烯烃共聚单体存在下聚合乙烯,从而产生第一组分,其中第一组分是密度在该范围内的高分子量乙烯α-烯烃共聚物 为0.920〜0.946g / cm3,熔体指数(I21.6)为1〜15g / 10分钟; (3)将第一组分和另外的乙烯引入第二反应器中; (4)在第二反应器中聚合另外的乙烯,从而产生第二组分,其中第二组分是密度在0.965至0.980g / cm 3范围内的低分子量乙烯聚合物和熔体指数(I 2)在 范围为30〜1500g / 10分钟; 和(5),由此制备高密度聚乙烯组合物,其中熔体指数(I 2)至少为1,密度在0.950至0.960g / cm3范围内的高密度聚乙烯组合物。 根据本发明的注塑制品包含上述本发明的高密度聚乙烯组合物,并且这些制品通过注射成型制成。

    PROCESS FOR THE PRODUCTION OF AQUEOUS BINDER LATICES
    98.
    发明申请
    PROCESS FOR THE PRODUCTION OF AQUEOUS BINDER LATICES 审中-公开
    生产水性粘合剂的方法

    公开(公告)号:WO2008124137A1

    公开(公告)日:2008-10-16

    申请号:PCT/US2008/004520

    申请日:2008-04-07

    Abstract: A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps: 1) free-radical polymerization of a monomer mixture A comprising acidic monomers in a proportion corresponding to an acid value of 10 to 100 mg of KOH/g and olefinically polyunsaturated monomers in a proportion of 0.5 to 5 wt%, 2) neutralization of acid groups of the polymer formed in process step 1) and 3) free-radical polymerization of at least one monomer mixture B comprising acidic monomers in a proportion corresponding to an acid value of mixture(s) B of 0 to below 5 mg of KOH/g, hydroxyl-functional monomers in a proportion corresponding to a hydroxyl value of mixture(s) B of 0 to below 5 mg of KOH/g and olefinically polyunsaturated monomers in a proportion of 0.5 to 5 wt%, wherein the monomer composition of mixtures A and B is selected in such a manner that the calculated glass transition temperature (Tg) of a copolymer composed of a combination of only the olefinically monounsaturated monomers of mixtures A and B is in the range from 30 to 100 °C, wherein the ratio by weight of mixture A to the at least one mixture B is from 15:85 to 85:15 and wherein neutralization is not begun in process step 2) until at least 90 wt.% of the monomers of mixture A have been polymerized to completion.

    Abstract translation: 一种在水相中通过多级乳液聚合制备含水粘合剂胶乳的方法,包括以下连续步骤:1)包含酸性单体的单体混合物A的自由基聚合,其比例对应于酸值为10-100mg 的KOH / g和烯属多不饱和单体的比例为0.5〜5重量%,2)中和工艺步骤1)中形成的聚合物的酸基和3)至少一种包含酸性单体的单体混合物B的自由基聚合 以对应于0至低于5mg KOH / g的混合物B的酸值的比例,羟基官能单体的比例对应于混合物B的羟基值为0至低于5mg KOH / g和烯属多不饱和单体的比例为0.5-5重量%,其中混合物A和B的单体组成选择为使得由以下组成的共聚物的计算的玻璃化转变温度(Tg) 混合物A和B仅烯烃单不饱和单体的组合在30至100℃的范围内,其中混合物A与至少一种混合物B的重量比为15:85至85:15,其中中和 直到至少90重量%的混合物A的单体已经聚合完成,才在工艺步骤2)中开始。

    MONOMER RECYCLE PROCESS FOR FLUID PHASE IN-LINE BLENDING OF POLYMERS
    99.
    发明申请
    MONOMER RECYCLE PROCESS FOR FLUID PHASE IN-LINE BLENDING OF POLYMERS 审中-公开
    用于流体相聚合聚合物在线共混的单体循环过程

    公开(公告)号:WO2008109094A1

    公开(公告)日:2008-09-12

    申请号:PCT/US2008/002899

    申请日:2008-03-05

    Abstract: A monomer recycle process for fluid phase in-line blending of polymers is provided. The monomer recycle process includes providing a first group (G1) of one or more reactor trains and a second group (G2) of one or more reactor trains and one or more separators fluidly connected to G1 and G2; polymerizing in each of G1 and G2 olefin monomers to form homogenous fluid phase polymer-monomer mixtures wherein each of the G1 and G2 have at least one common monomer; passing the reactor effluents from G1 through the G1 separators to separate a monomer-rich phase from a polymer-enriched phase, passing the polymer-enriched phase and the reactor effluents from G2 into the G2 separator to separate another monomer-rich phase from a polymer-rich blend, and recycling to each of G1 and G2 the separated monomer-rich phase from the G1 and G2 separators, respectively.

    Abstract translation: 提供了用于聚合物的流体相在线共混的单体再循环方法。 单体循环过程包括提供一个或多个反应器列的第一组(G1)和一个或多个反应器列的第二组(G2)和与G1和G2流体连接的一个或多个分离器; 在每个G1和G2烯烃单体中聚合以形成均相流体相聚合物 - 单体混合物,其中G1和G2中的每一个具有至少一个共同的单体; 使来自G1的反应器流出物通过G1分离器将富含单体的相从富含聚合物的相分离出来,将富含聚合物的相和反应器流出物从G2进入G2分离器以将另一富含单体的相与聚合物分离 并分别从G1和G2分离器向G1和G2分别回收分离的富含单体的相。

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