Mineral filled polypropylene composition

    公开(公告)号:US09714337B2

    公开(公告)日:2017-07-25

    申请号:US15105492

    申请日:2014-12-15

    Abstract: The present disclosure relates to a polypropylene composition for the production of molded articles, such as finished parts for the automotive industry, has melt flow rate (230° C., 2.16 kg) of at least 25 g/10 min and comprising: (A) 50-95% of a composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. of 3.0-5.0 dl/g; and (A1) 70-95% of a propylene homopolymer having a polydispersity index (PI) of 4.3-10, a fraction insoluble in xylene at 25° C. higher than 90% and an MFR (230° C., 2.16 kg) of 100-250 g/10 min; (A2) 5-30% of a copolymer of propylene with 36-44% of ethylene-derived units; (B) optionally up to 45% of a heterophasic propylene polymer, having an MFR (230° C., 2.16 kg) of 10-25 g/10 min, a flexural modulus higher than 1400 MPa, comprising 5-20% of a copolymer rubber component and 80-95% of a matrix propylene polymer component; (C) 2-10% of an ethylene based elastoplastic copolymer; and (D) optionally up to 20% of talc.

    Pre-polymerized catalyst components for the polymerization of olefins
    44.
    发明授权
    Pre-polymerized catalyst components for the polymerization of olefins 有权
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号:US09593178B2

    公开(公告)日:2017-03-14

    申请号:US14365357

    申请日:2012-12-11

    CPC classification number: C08F10/02 C08F10/00 C08F4/6492 C08F110/06 C08F4/651

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 μm.

    Abstract translation: 用于聚合具有高活性和形态稳定性的烯烃聚合的预聚合催化剂组分包括含有Ti,Mg和卤素的非立体特异性固体催化剂组分和一定量的乙烯/α-烯烃嵌段(共)聚合物范围 0.1至5g / g所述固体催化剂组分,所述预聚催化剂组分的特征在于水银孔隙率,由于孔径半径为1μm,范围为0.15至0.5cm 3 / g,并且至少 所述孔隙率的55%是由于孔半径高达0.2μm的孔。

    Polypropylene composition for foaming
    45.
    发明授权
    Polypropylene composition for foaming 有权
    用于发泡的聚丙烯组合物

    公开(公告)号:US09587079B2

    公开(公告)日:2017-03-07

    申请号:US14355476

    申请日:2012-10-16

    Abstract: The present invention relates to a new polypropylene composition for molded articles, such as finished parts for the automotive industry. A composition comprising: (A) from 40 to 85% by weight of a first propylene-based component being selected from propylene homopolymers, propylene copolymers and heterophasic propylene polymer, such first propylene-based component having a flexural modulus higher than 800 MPa; (B) from 5 to 20% by weight of a second propylene-based component being a heterophasic propylene polymer comprising: (B1) from 20 to 90% by weight of a crystalline polypropylene, and (B2) from 10 to 80% by weight of a copolymer of ethylene and at least one C3-C10 alpha-olefin, such copolymer containing from 10 to 70% by weight of ethylene, being soluble in xylene at room temperature, and having an intrinsic viscosity in tetrahydronaphtalene at 135° C. of higher than 3.5 dl/g; and (C) from 10 to 40% by weight of glass fibers.

    Abstract translation: 本发明涉及用于模塑制品的新型聚丙烯组合物,例如用于汽车工业的成品。 一种组合物,其包含:(A)40至85重量%的第一基于丙烯的组分,其选自丙烯均聚物,丙烯共聚物和多相丙烯聚合物,所述第一丙烯基组分的弯曲模量高于800MPa; (B)5至20重量%的第二丙烯基组分,其为多相丙烯聚合物,其包含:(B1)20至90重量%的结晶聚丙烯,和(B2)10至80重量% 的乙烯和至少一种C 3 -C 10α-烯烃的共聚物,这种共聚物含有10至70重量%的乙烯,在室温下可溶于二甲苯,并且在135℃的四氢萘中具有特性粘度 高于3.5 dl / g; 和(C)10至40重量%的玻璃纤维。

    Polyolefin composition
    46.
    发明授权
    Polyolefin composition 有权
    聚烯烃组合物

    公开(公告)号:US09556332B2

    公开(公告)日:2017-01-31

    申请号:US14651325

    申请日:2013-11-25

    CPC classification number: C08L23/142 C08L23/16 C08L2201/02 C08L2205/025

    Abstract: A polyolefin composition comprising: A) from 65 wt % to 85 wt %, of a propylene/ethylene/1-butene terpolymer wherein: i) the content of ethylene derived units ranges from 0.6 wt % to 2.5 wt; ii) the content of 1-butene derived units ranges from 6 wt % to 12 wt %; iii) the fraction soluble in xylene at 25° C. ranges from 3.5 wt % to 20 wt %; B) from 15 wt % to 35 wt % of a propylene/ethylene copolymer having a content of ethylene derived units ranging from 10 wt % to 40 wt %; the copolymer optionally can contains 1-butene derived units in an amount less than 1 wt %; the sum A)+B) being 100.

    Abstract translation: 1.一种聚烯烃组合物,其包含:A)65重量%至85重量%的丙烯/乙烯/ 1-丁烯三元共聚物,其中:i)乙烯衍生单元的含量为0.6重量%至2.5重量% ii)1-丁烯衍生单元的含量范围为6重量%至12重量%; iii)在25℃下可溶于二甲苯的级分为3.5重量%至20重量%; B)15重量%至35重量%的乙烯衍生单元的含量为10重量%至40重量%的丙烯/乙烯共聚物; 共聚物任选地可以含有小于1重量%的1-丁烯衍生单元; 总和A)+ B)为100。

    POLYOLEFIN MASTERBATCH AND COMPOSITION SUITABLE FOR INJECTION MOLDING
    47.
    发明申请
    POLYOLEFIN MASTERBATCH AND COMPOSITION SUITABLE FOR INJECTION MOLDING 审中-公开
    聚氨酯主要成分和适用于注射成型的组合物

    公开(公告)号:US20160272802A1

    公开(公告)日:2016-09-22

    申请号:US15079313

    申请日:2016-03-24

    Abstract: A masterbatch composition comprising: 70-90% wt of a component (A) being a propylene homopolymer or copolymer of propylene with ethylene or C4-C10 alpha olefins, having a MFRA according to ISO 1133 (230° C./2.16 Kg) ranging from 15 to 70 g/10 min; and 10-30% wt of a component B) being a propylene-ethylene copolymer comprising 25-45% wt of ethylene derived units and having a value of the intrinsic viscosity [η] of the fraction soluble in xylene at room temperature ranging from 5 to 9 dl/g, said masterbatch composition having a total MFR higher than 4 g/10 min, and a value of the flexural modulus measured according to ISO method 178 ranging from 950 to 2000 MPa.

    Abstract translation: 一种母料组合物,其包含:70-90重量%的组分(A)为丙烯均聚物或丙烯与乙烯或C 4 -C 10α-烯烃的共聚物,其具有根据ISO 1133(230℃/ 2.16Kg)的MFRA范围 15〜70g / 10min; 和10-30重量%的组分B)作为丙烯 - 乙烯共聚物,其包含25-45重量%的乙烯衍生单元,并且在室温下可溶于二甲苯的馏分的特性粘度[η]值为5 至9dl / g,所述母料组合物的总MFR高于4g / 10min,根据ISO方法178测量的弯曲模量值为950至2000MPa。

    HEAT-SEALABLE POLYOLEFIN FILMS AND SHEETS
    48.
    发明申请
    HEAT-SEALABLE POLYOLEFIN FILMS AND SHEETS 审中-公开
    高密度聚烯烃薄膜和薄片

    公开(公告)号:US20160159996A1

    公开(公告)日:2016-06-09

    申请号:US14906873

    申请日:2014-07-01

    Abstract: The present technology relates to films or sheets comprising a layer of a heterophasic propylene copolymer containing up to 7.0% by weight of ethylene-derived units and comprising: (a) 80%-92% by weight of a matrix phase comprising a propylene homopolymer or a propylene copolymer containing up to 5% by weight of units derived from ethylene and/or an alpha-olefin; and (b) 8%-20% by weight of a rubber phase comprising an ethylene-propylene copolymer containing 20%-60% by weight of ethylene-derived units.

    Abstract translation: 本技术涉及包含含有至多7.0重量%的来自乙烯的单元的多相丙烯共聚物层的膜或片,并且包含:(a)80重量%-92重量%的包含丙烯均聚物的基质相或 含有至多5重量%的衍生自乙烯和/或α-烯烃的单元的丙烯共聚物; 和(b)8重量%-20重量%的包含含有20重量%-60重量%乙烯衍生单元的乙烯 - 丙烯共聚物的橡胶相。

    BUTENE-1 COPOLYMER TIE LAYER IN MULTILAYER FILM STRUCTURES HAVING A LOW SEAL TEMPERATURE AND IMPROVED HOT TACK
    50.
    发明申请
    BUTENE-1 COPOLYMER TIE LAYER IN MULTILAYER FILM STRUCTURES HAVING A LOW SEAL TEMPERATURE AND IMPROVED HOT TACK 审中-公开
    具有低密封温度和改进的热粘结的多层薄膜结构中的BOTENE-1共聚物层

    公开(公告)号:US20160121580A1

    公开(公告)日:2016-05-05

    申请号:US14896638

    申请日:2014-05-06

    Abstract: Multilayer film (BOPP) structure comprising at least: A) a skin (outer) layer substantially consisting of a crystalline low seal Initiation temperature propylene copolymer; B) a tie layer substantially consisting of a butene-1 copolymer having flexural modulus (MEF) of 75 MPa or less; C) a core layer substantially consisting of one or more polypropylene homopolymers designed for BOPP.

    Abstract translation: 至少包括:A)基本上由结晶低密度起始温度丙烯共聚物组成的皮肤(外部)层的多层膜(BOPP)结构; B)基本上由挠曲模量(MEF)为75MPa或更低的丁烯-1共聚物组成的粘结层; C)基本上由为BOPP设计的一种或多种聚丙烯均聚物组成的核心层。

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