Process for producing propylene based polymer compositions
    3.
    发明授权
    Process for producing propylene based polymer compositions 失效
    制备丙烯基聚合物组合物的方法

    公开(公告)号:US06770714B2

    公开(公告)日:2004-08-03

    申请号:US10240997

    申请日:2003-03-06

    IPC分类号: C08F800

    摘要: A process for the production of a propylene based polymer, the process comprising the following steps: (a) a first polymerization stage comprising homopolymerizing propylene or copolymerizing propylene and at least one alpha-olefin in the presence of an alpha-olefin polymerization catalyst whereby to produce a polypropylene component; (b) a second polymerization stage comprising copolymerizing ethylene and at least one alpha-olefin in the presence of an alpha-olefin polymerization catalyst whereby to produce an ethylene/alpha-olefin copolymer component; and (c) blending the polymer components produced in steps (a) and (b) whereby to produce a polymer blend, wherein the first and second polymerization stages are effected in separate polymerization reactors connected in parallel. Also provided are polymer compositions comprising: (i) 30 to 97% by weight, based on the total weight of the polymer composition, of a propylene based polymer; and (ii) 3 to 70% by weight, preferably 5 to 20% by weight, based on the total weight of the polymer composition, of an ethylene copolymer plastomer (e.g., an ethylene-propylene plastomer) containing at least 60% by weight ethylene.

    摘要翻译: 一种制备丙烯基聚合物的方法,该方法包括以下步骤:(a)第一聚合阶段,包括在α-烯烃聚合催化剂存在下使丙烯均聚或丙烯与至少一种α-烯烃共聚合, 生产聚丙烯组分; (b)第二聚合阶段,包括在α-烯烃聚合催化剂存在下共聚乙烯和至少一种α-烯烃,从而制备乙烯/α-烯烃共聚物组分; 和(c)共混步骤(a)和(b)中制备的聚合物组分,由此制备聚合物共混物,其中第一和第二聚合阶段在分开的并联连接的聚合反应器中进行。 还提供了聚合物组合物,其包含:(i)基于聚合物组合物的总重量为30至97重量%的基于丙烯的聚合物; 和(ii)基于聚合物组合物的总重量,3-70重量%,优选5-20重量%的乙烯共聚物塑性体(例如,乙烯 - 丙烯塑性体)含有至少60重量% 乙烯。

    PROPYLENE RANDOM COPOLYMER AND PROCESS FOR THE PRODUCTION THEREOF
    4.
    发明申请
    PROPYLENE RANDOM COPOLYMER AND PROCESS FOR THE PRODUCTION THEREOF 有权
    丙烯无规共聚物及其生产方法

    公开(公告)号:US20080027197A1

    公开(公告)日:2008-01-31

    申请号:US11836644

    申请日:2007-08-09

    IPC分类号: C08F297/08 C08F210/06

    摘要: The present invention relates to a process for preparing a propylene random copolymer comprising polymerisation of propylene with a comonomer, said comonomer being ethylene or an α-olefin comprising at least four carbon atoms, in the presence of a catalyst in a multistage process comprising polymerisation of propylene with a comonomer in a first reaction zone including at least one slurry reactor to give a first polymerisation product, transferring said first product to a second reaction zone including at least one gas phase reactor and polymerisations of propylene with a comonomer in said gas phase reactor in the presence of said first polymerisation product, wherein the temperature in the gas phase reactor is at least 10° C. higher than in the slurry reactor and to a polymer obtainable by this process. Furthermore, the invention relates to a propylene random copolymer prepared by copolymerisation of propylene with a comonomer wherein the distribution of the comonomer determined according to the TREF method is multimodal, preferably bimodal, a propylene random copolymer prepared by copolymerisation of propylene with a comonomer wherein the copolymer is having an elution interval determined according to the TREF method of 50° C. or more, a propylene random copolymer prepared by copolymerisation of propylene with a comonomer, wherein the random copolymer is a unimodal polymer and the elution interval determined by the TREF method is given by the equation Y≦4.5.m+16 wherein Y is the elution interval in ° C. and m is the percentage of ethylene in the copolymer in wt. %, and to the use of such a copolymers for the production of a film, of an article by blow moulding or injection moulding, of a fibre or of a pipe.

    摘要翻译: 本发明涉及一种制备丙烯无规共聚物的方法,其包括丙烯与共聚单体的聚合,所述共聚单体是乙烯或包含至少四个碳原子的α-烯烃,在多级方法的催化剂存在下,包括聚合 丙烯与第一反应区中的共聚单体包括至少一个浆料反应器以产生第一聚合产物,将所述第一产物转移到包含至少一个气相反应器的第二反应区和丙烯与所述气相反应器中的共聚单体聚合 在所述第一聚合产物存在下,其中气相反应器中的温度高于浆料反应器中的至少10℃,并且可通过该方法获得的聚合物。 此外,本发明涉及通过丙烯与共聚单体共聚制备的丙烯无规共聚物,其中根据TREF法测定的共聚单体的分布是多峰的,优选双峰的,丙烯与共聚单体共聚制备的丙烯无规共聚物,其中, 共聚物具有根据TREF法测定的洗脱间隔为50℃以上,通过丙烯与共聚单体共聚制备的丙烯无规共聚物,其中无规共聚物是单峰聚合物,并且通过TREF方法测定的洗脱间隔 由方程Y <= 4.5.m + 16给出,其中Y是以℃计的洗脱间隔,m是共聚物中乙烯的百分比。 以及使用这种共聚物来制造纤维或管子的通过吹塑或注射成型的制品的薄膜,制品。

    Polymer film comprising a propylene random copolymer

    公开(公告)号:US20070203309A1

    公开(公告)日:2007-08-30

    申请号:US11790254

    申请日:2007-04-24

    IPC分类号: C08G85/00

    摘要: The present invention relates in a first embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the sealing initiation temperature SIT of the film is Tm−30° C. or less, preferably Tm−33° C. or less, in a second embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the film is having a relative reduction of the static friction value (inside-inside) from one to four days of 35% or more, preferably 40% or more, in a third embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the distribution of the comonomer in the random copolymer determined according to TREF method is multimodal, preferably bimodal, in a fourth embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol %, wherein the copolymer is having an elution interval of 50° C. or more, and in a fifth embodiment to a polymer film comprising a copolymer with a total comonomer content of 4.5 to 12 mol % wherein the random copolymer is a unimodal polymer and the elution interval is determined by the equation Y≦4.5·m+16 wherein Y is the elution interval in ° C. and m is the percentage of ethylene in the copolymer in wt. %.

    Polymer film comprising a propylene random copolymer
    6.
    发明授权
    Polymer film comprising a propylene random copolymer 有权
    包含丙烯无规共聚物的聚合物膜

    公开(公告)号:US07683141B2

    公开(公告)日:2010-03-23

    申请号:US10481785

    申请日:2002-06-26

    IPC分类号: C08J5/18 C08L23/14

    摘要: The present invention relates in a first embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the sealing initiation temperature SIT of the film is Tm−30° C. or less, preferably Tm−33° C. or less, in a second embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the film is having a relative reduction of the static friction value (inside-inside) from one to four days of 35% or more, preferably 40% or more, in a third embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the distribution of the comonomer in the random copolymer determined according to TREF method is multimodal, preferably bimodal, in a fourth embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol %, wherein the copolymer is having an elution interval of 50° C. or more, and in a fifth embodiment to a polymer film comprising a copolymer with a total comonomer content of 4.5 to 12 mol % wherein the random copolymer is a unimodal polymer and the elution interval is determined by the equation Y≦4.5·m+16 wherein Y is the elution interval in ° C. and m is the percentage of ethylene in the copolymer in wt. %.

    摘要翻译: 本发明在第一实施方式中涉及包含总共聚单体含量为4.5〜12摩尔%的丙烯无规共聚物的聚合物膜,其中,所述膜的密封起始温度SIT为Tm-30℃以下,优选为Tm- 33℃以下,在第二实施方式中,为包含总共聚单体含量为4.5〜12摩尔%的丙烯无规共聚物的聚合物膜,其中,膜的静摩擦值(内部)与 在第三个实施方案中,一至四天为35%以上,优选为40%以上,其中共聚单体含量为4.5〜12摩尔%,其中共聚单体在无规共聚物中的分布 根据TREF方法测定的是多峰,优选双峰,在第四个实施方案中,聚合物膜包含总共聚单体含量为4.5-12mol%的丙烯无规共聚物,其中共聚物具有elu 在第五实施方案中,将聚合物膜包含总共聚单体含量为4.5至12mol%的共聚物,其中无规共聚物是单峰聚合物,并且洗脱间隔由等式 Y&nlE; 4.5·m + 16其中Y是以℃计的洗脱间隔,m是共聚物中乙烯的百分比。 %。

    Propylene random copolymer and process for the production thereof
    7.
    发明授权
    Propylene random copolymer and process for the production thereof 有权
    丙烯无规共聚物及其制备方法

    公开(公告)号:US07579422B2

    公开(公告)日:2009-08-25

    申请号:US11836644

    申请日:2007-08-09

    IPC分类号: C08F297/08 C08F210/06

    摘要: The present invention relates to a process for preparing a propylene random copolymer comprising polymerization of propylene with a comonomer, said comonomer being ethylene or an α-olefin comprising at least four carbon atoms, in the presence of a catalyst in a multistage process comprising polymerization of propylene with a comonomer in a first reaction zone including at least one slurry reactor to give a first polymerization product, transferring said first product to a second reaction zone including at least one gas phase reactor and polymerisations of propylene with a comonomer in said gas phase reactor in the presence of said first polymerization product, wherein the temperature in the gas phase reactor is at least 10° C. higher than in the slurry reactor and to a polymer obtainable by this process. Furthermore, the invention relates to a propylene random copolymer prepared by copolymerization of propylene with a comonomer wherein the distribution of the comonomer determined according to the TREF method is multimodal, preferably bimodal, a propylene random copolymer prepared by copolymerization of propylene with a comonomer wherein the copolymer is having an elution interval determined according to the TREF method of 50° C. or more, a propylene random copolymer prepared by copolymerization of propylene with a comonomer, wherein the random copolymer is a unimodal polymer and the elution interval determined by the TREF method is given by the equation Y≦4.5·m+16 wherein Y is the elution interval in ° C. and m is the percentage of ethylene in the copolymer in wt. %, and to the use of such a copolymers for the production of a film, of an article by blow moulding or injection moulding, of a fiber or of a pipe.

    摘要翻译: 本发明涉及一种制备丙烯无规共聚物的方法,其包括丙烯与共聚单体的聚合,所述共聚单体是乙烯或包含至少四个碳原子的α-烯烃,在催化剂存在下以多阶段方法包括聚合 丙烯与第一反应区中的共聚单体包括至少一个浆料反应器以产生第一聚合产物,将所述第一产物转移到包含至少一个气相反应器的第二反应区和丙烯与所述气相反应器中的共聚单体聚合 在所述第一聚合产物的存在下,其中气相反应器中的温度高于浆料反应器中的至少10℃,并且可通过该方法获得的聚合物。 此外,本发明涉及通过丙烯与共聚单体共聚制备的丙烯无规共聚物,其中根据TREF法测定的共聚单体的分布是多峰的,优选双峰的,丙烯与共聚单体共聚制备的丙烯无规共聚物,其中, 共聚物具有根据TREF法测定的洗脱间隔为50℃以上,通过丙烯与共聚单体共聚制备的丙烯无规共聚物,其中无规共聚物为单峰聚合物,并且通过TREF法测定的洗脱间隔 由方程Y <= 4.5.m + 16给出,其中Y是以℃计的洗脱间隔,m是共聚物中乙烯的百分比。 以及使用这种共聚物来制造纤维或管子的通过吹塑或注射成型的制品的薄膜,制品。

    Polymer film comprising a propylene random copolymer
    8.
    发明申请
    Polymer film comprising a propylene random copolymer 审中-公开
    包含丙烯无规共聚物的聚合物膜

    公开(公告)号:US20070197743A1

    公开(公告)日:2007-08-23

    申请号:US11790226

    申请日:2007-04-24

    IPC分类号: C08G85/00

    摘要: The present invention relates in a first embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the sealing initiation temperature SIT of the film is Tm−30° C. or less, preferably Tm−33° C. or less, in a second embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the film is having a relative reduction of the static friction value (inside-inside) from one to four days of 35% or more, preferably 40% or more, in a third embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol % wherein the distribution of the comonomer in the random copolymer determined according to TREF method is multimodal, preferably bimodal, in a fourth embodiment to a polymer film comprising a propylene random copolymer with a total comonomer content of 4.5 to 12 mol %, wherein the copolymer is having an elution interval of 50° C. or more, and in a fifth embodiment to a polymer film comprising a copolymer with a total comonomer content of 4.5 to 12 mol % wherein the random copolymer is a unimodal polymer and the elution interval is determined by the equation Y≦4.5·m+16 wherein Y is the elution interval in ° C. and m is the percentage of ethylene in the copolymer in wt. %.

    摘要翻译: 本发明在第一实施方案中涉及一种包含总共聚单体含量为4.5至12mol%的丙烯无规共聚物的聚合物膜,其中该膜的密封起始温度SIT为-30℃-30℃ 在第二个实施方案中,C或更低,优选T m -33℃或更低,包括总共聚单体含量为4.5至12mol%的丙烯无规共聚物的聚合物膜,其中该膜 在第三个实施方案中将静态摩擦值(内部内)从一到四天相对减少35%或更多,优选40%或更多,至包含总共聚单体含量的丙烯无规共聚物的聚合物膜 为4.5〜12摩尔%,其中根据TREF法测定的无规共聚物中的共聚单体的分布在第四实施方案中是多峰的,优选双峰的,该聚合物膜包含总共聚单体含量为4.5至12摩尔的丙烯无规共聚物 %,其中共聚物 r的洗脱间隔为50℃以上,在第五实施方式中为包含共聚单体总共为4.5〜12摩尔%的共聚物的聚合物膜,其中无规共聚物为单峰聚合物,洗脱间隔为 由公式<?in-line-formula description =“In-line Formulas”end =“lead”?> Y <= 4.5.m + 16 <?in-line-formula description =“In-line Formulas”end =“尾”→其中Y是以℃计的洗脱间隔,m是共聚物中乙烯的百分比,wt。 %。