Multistage process for the polymerization of ethylene
    303.
    发明授权
    Multistage process for the polymerization of ethylene 有权
    乙烯聚合的多阶段方法

    公开(公告)号:US09441056B2

    公开(公告)日:2016-09-13

    申请号:US14653961

    申请日:2013-12-10

    Abstract: The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, which is the ratio among the melt index value measured according to ASTM 1238 condition “F” and the melt index value measured according to ASTM 1238 condition “P” of equal to or lower than 27, carried out in two or more stages of polymerization at temperatures in the range from 60 to 120° C., in which at least two of the said two or more polymerization stages are carried out under different amounts of molecular weight regulator, said process being carried out in the presence of (A) a solid catalyst component comprising Ti, Mg, halogen, having a porosity (PF), measured by the mercury method and due to pores with radius equal to, or lower than, 1 μm, of at least 0.3 cm3/g and a surface area determined by BET method, of lower than 100 m2/g, and being further characterized by the fact that more than 50% of the titanium atoms are in a valence state lower than 4 and (B) of an organoaluminum compound.

    Abstract translation: 本发明涉及一种用于制备熔体流动比F / P的乙烯聚合物的浆料方法,其是根据ASTM 1238条件“F”测量的熔体指数与根据ASTM 1238测量的熔体指数之间的比率 条件“P”等于或低于27,在60至120℃的温度下在两个或更多个聚合阶段进行,其中至少两个所述两个或更多个聚合阶段被执行 在不同量的分子量调节剂下,所述方法在(A)包含通过汞法测量的具有孔隙率(PF)的Ti,Mg,卤素的固体催化剂组分的存在下进行,并且由于具有半径相等的孔 至少为0.3cm 3 / g,BET法测定的表面积低于100m2 / g,进一步的特征在于,超过50%的钛原子为 低于4的价态,(B) 的有机铝化合物。

    MULTIMODAL COPOLYMERS OF PROPYLENE AND 1-HEXENE
    304.
    发明申请
    MULTIMODAL COPOLYMERS OF PROPYLENE AND 1-HEXENE 有权
    丙烯和1-HEXENE的多官能共聚物

    公开(公告)号:US20160251463A1

    公开(公告)日:2016-09-01

    申请号:US15032694

    申请日:2014-09-24

    Abstract: The present disclosure relates to a propylene-1-hexene copolymer having: i) a content of 1-hexene derived units ranging from 0.6 wt % to 3.0 wt %; ii) a melt flow rate (MFR) measured according to the method ISO 1133 (230° C., 5 kg) ranging from 0.5 g/10 min to 5.0 g/10 min; iii) a polydispersity (PI) ranges from 4.5 to 10 and the distribution of molecular weight is of multimodal type; iv) a melting point ranging from 160° C. to 145° C.; and v) a differential scanning calorimetry (DSC) curve (temperature/heat of fusion) that shows at least two peaks.

    Abstract translation: 本公开内容涉及丙烯-1-己烯共聚物,其具有:i)1-己烯衍生单元的含量范围为0.6重量%至3.0重量%; ii)根据ISO 1133(230℃,5kg)测量的熔体流动速率(MFR)为0.5g / 10min至5.0g / 10min; iii)多分散性(PI)为4.5〜10,分子量分布为多峰型; iv)熔点范围为160℃至145℃; 和v)显示至少两个峰的差示扫描量热法(DSC)曲线(温度/融合热)。

    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS
    305.
    发明申请
    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS 有权
    包含玻璃纤维填料的聚丙烯组合物

    公开(公告)号:US20160137824A1

    公开(公告)日:2016-05-19

    申请号:US14903000

    申请日:2014-06-24

    Abstract: Composition comprising (A) from 30 to 60 by weight, of a soft polyolefin composition comprising, 10-50% by weight of a copolymer (a) of propylene, which copolymer contains from 1 to 8% of comonomer content; 50-90wt % of a copolymer (b) of ethylene and other alpha-olefin(s), containing from 57 to 80% of ethylene; wherein the weight ratio of the content of copolymer component (b) to the fraction XS soluble in xylene at room temperature (about 25° C.), both (b and XS) referred to the total weight of (a)+(b), is of 1.5 or less, and the intrinsic viscosity [η] of the said XS fraction is of 3 dl/g or more; and the total quantity of copolymerized ethylene is preferably from 30% to 65% by weight; (B) from 5 to 30 wt % of a glass fiber filler; (C) from 0 to 5% by weight of a compatibilizer; (D) from 10 to 40 by weight of a polypropylene component selected from propylene homopolymers, propylene copolymers containing up to 5% by moles of ethylene and/or C4-C10 α-olefin(s) and combinations of such homopolymers and copolymers, wherein the Melt Flow Rate, of the polypropylene component D) is generally from 0.3 to 2500 g/10 min.

    Abstract translation: 组合物,其包含(A)30至60重量%的软质聚烯烃组合物,其包含10-50重量%的丙烯共聚物(a),该共聚物含有1至8重量%的共聚单体含量; 50-90重量%的乙烯和其它α-烯烃的共聚物(b),其含有57-80%的乙烯; 其中共聚物组分(b)的含量与在室温(约25℃)下可溶于二甲苯的级分XS的重量比(b和XS)均指(a)+(b)的总重量, ,为1.5以下,所述XS馏分的特性粘度[ηe]为3dl / g以上, 共聚乙烯的总量优选为30〜65重量%。 (B)5〜30重量%的玻璃纤维填料; (C)0〜5重量%的增容剂; (D)10至40重量份的选自丙烯均聚物的聚丙烯组分,含有至多5摩尔%乙烯和/或C 4 -C 10α-烯烃的丙烯共聚物以及这些均聚物和共聚物的组合,其中 聚丙烯组分D)的熔体流动速率通常为0.3至2500g / 10min。

    TERPOLYMER COMPOSITIONS WITH IMPROVED CLARITY AND GLOSS FOR BLOW MOLDED AND THERMOFORMED ARTICLES
    306.
    发明申请
    TERPOLYMER COMPOSITIONS WITH IMPROVED CLARITY AND GLOSS FOR BLOW MOLDED AND THERMOFORMED ARTICLES 审中-公开
    具有改进的澄清度的热塑性组合物和用于吹塑和热成型制品的玻璃

    公开(公告)号:US20160046787A1

    公开(公告)日:2016-02-18

    申请号:US14821055

    申请日:2015-08-07

    CPC classification number: C08K5/1575 C08K5/053 C08L23/14

    Abstract: A polymer composition and/or an article containing: (a) a random propylene terpolymer which comprises: (i) 90.0-96.0 wt. %, based on the total weight of the propylene terpolymer, of propylene derived units; (ii) 3.0-7.0 wt. %, based on the total weight of the propylene terpolymer, of 1-butene derived units; and (iii) 1.0-5.0 wt. %, based on the total weight of the propylene terpolymer, of ethylene derived units; and (b) about 0.01 to about 1.0 wt. %, based on the total weight of the propylene terpolymer, of a clarifying agent, with the balance of the polymer composition being the random propylene terpolymer and/or optionally at least one additive.

    Abstract translation: 一种聚合物组合物和/或制品,其包含:(a)无规丙烯三元共聚物,其包含:(i)90.0-96.0wt。 %,基于丙烯三元共聚物的总重量;丙烯衍生单元; (ii)3.0-7.0重量% %,基于丙烯三元共聚物的总重量,1-丁烯衍生单元; 和(iii)1.0-5.0wt。 %,基于丙烯三元共聚物的总重量;乙烯衍生单元; 和(b)约0.01至约1.0wt。 基于丙烯三元共聚物的总重量,澄清剂,其余的聚合物组合物是无规丙烯三元共聚物和/或任选的至少一种添加剂。

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    309.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 有权
    用于烯烃聚合的催化组分

    公开(公告)号:US20150158957A1

    公开(公告)日:2015-06-11

    申请号:US14402941

    申请日:2013-05-17

    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) in which R2-R8 groups, equal or different to each other, are selected from hydrogen, halogen and C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, O, P, S, N, and Si and R9 groups are selected from C1-C15 hydrocarbon groups optionally containing an heteroatom selected from halogen, O, P, S, N, and Si.

    Abstract translation: 用于包含Mg,Ti的烯烃聚合的催化剂组分和其中R 2 -R 8基彼此相同或不同的下式(I)的电子给体化合物选自氢,卤素和C 1 -C 15烃基, 任选地含有选自卤素,O,P,S,N和Si的杂原子,R 9基团选自任选含有选自卤素,O,P,S,N和Si的杂原子的C 1 -C 15烃基。

    Polyolefin compositions and articles manufactured therefrom
    310.
    发明授权
    Polyolefin compositions and articles manufactured therefrom 有权
    聚烯烃组合物和由其制造的制品

    公开(公告)号:US08940837B2

    公开(公告)日:2015-01-27

    申请号:US13962328

    申请日:2013-08-08

    CPC classification number: C08L23/06 C08L23/12 C08L23/16

    Abstract: The present invention is a polyolefin composition, which comprises a thermoplastic olefin polymer and a polyethylene. The thermoplastic olefin polymer (TPO) comprises a polypropylene and an olefin copolymer and is present in an amount of about 10 weight percent to about 50 weight percent; the TPO has a density in the range of about 0.85 g/cm3 to about 0.92 g/cm3 and a flexural modulus of less than about 700 MPa as measured by ISO 178. The polyethylene is either a medium density polyethylene or a high density polyethylene and present in an amount of about 50 weight percent to about 90 weight percent. The polyolefin composition is useful for preparing articles of manufacture such as sheets, roofing membranes, geomembranes, soft skins, drawn tapes, drawn fibers, and drawn filaments.

    Abstract translation: 本发明是一种聚烯烃组合物,其包含热塑性烯烃聚合物和聚乙烯。 热塑性烯烃聚合物(TPO)包含聚丙烯和烯烃共聚物,其量为约10重量%至约50重量%; TPO具有在约0.85g / cm 3至约0.92g / cm 3范围内的密度以及通过ISO 178测量的小于约700MPa的挠曲模量。聚乙烯是中密度聚乙烯或高密度聚乙烯, 存在量为约50重量%至约90重量%。 聚烯烃组合物可用于制备制品,例如片材,屋顶膜,土工膜,软皮,拉伸带,拉伸纤维和拉伸长丝。

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