Soft propylene polymer compositions
    91.
    发明授权
    Soft propylene polymer compositions 有权
    软丙烯聚合物组合物

    公开(公告)号:US08129490B2

    公开(公告)日:2012-03-06

    申请号:US12451590

    申请日:2008-05-16

    CPC classification number: C08F210/06 C08F210/16 C08F2500/11 C08F2500/20

    Abstract: A propylene polymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC (Tm° C.) from 130 to 150° C. and a ratio between the weight of xylene soluble fraction at 25° C. and the hexane soluble fraction determined on plaque (100 μm) of higher than 4.

    Abstract translation: 弯曲模量低于500MPa,总乙烯含量为9〜30重量%,室温高于25重量%的二甲苯可溶成分,DSC测定的熔融温度(Tm℃)的丙烯聚合物组合物 )和在25℃下的二甲苯可溶级分的重量与高于4的斑块(100μm)测定的己烷可溶级分之间的比率。

    Catalyst component for the polymerization of olefins
    92.
    发明授权
    Catalyst component for the polymerization of olefins 失效
    用于烯烃聚合的催化剂组分

    公开(公告)号:US08034735B2

    公开(公告)日:2011-10-11

    申请号:US12312592

    申请日:2007-11-14

    Abstract: A catalyst component for the polymerization of olefins comprises Mg, Ti, halogen, and an alpha-omega-diether represented by the general formula: (RO)—(CR1R2)n—(OR), wherein the number of n is from 5 to 10, R is an alkyl, cycloalkyl or aryl radical containing 1 to 12 carbons, and R1 and R2 are independently from each other hydrogen, an alkyl, cycloalkyl or aryl radical containing 1 to 12 carbons. The catalysts prepared with such component provide a high mileage for the production of polyolefins with a high bulk density of the polymer produced in gas-phase polymerization process or in slurry polymerization process. Such catalyst produces narrower MWD PE, if compared with other catalyst systems.

    Abstract translation: 用于烯烃聚合的催化剂组分包括由通式(RO) - (CR 1 R 2)n - (OR)表示的Mg,Ti,卤素和α-ω-二醚,其中n的数目为5〜 10,R为含有1至12个碳的烷基,环烷基或芳基,R 1和R 2彼此独立地为氢,含有1至12个碳的烷基,环烷基或芳基。 用这种组分制备的催化剂为在气相聚合法或淤浆聚合方法中生产的聚合物的高堆积密度的聚烯烃的生产提供了很高的里程。 如果与其他催化剂体系相比,这种催化剂产生较窄的MWD PE。

    Polyolefin Fibres
    94.
    发明申请
    Polyolefin Fibres 有权
    聚烯烃纤维

    公开(公告)号:US20110238027A1

    公开(公告)日:2011-09-29

    申请号:US13132099

    申请日:2009-12-03

    Abstract: A polyolefin composition comprising: A) 20-95 wt % of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha-olefin having 4-10 carbon atoms, containing 85 wt % or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt % of a copolymer of butene-1 with ethylene and/or an alpha-olefin having 3-10 carbon atoms having: a content of butene-1 derived units of 80 wt % wt or more, molecular weight distribution Mw/Mn of less than 3 flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.

    Abstract translation: 一种聚烯烃组合物,其包含:A)20-95重量%的丙烯均聚物或丙烯与乙烯和/或具有4-10个碳原子的α-烯烃的结晶共聚物,其含有85重量%或更多的丙烯 具有等于​​或大于80的全同立构指数; B)5-80重量%的丁烯-1与乙烯和/或具有3-10个碳原子的α-烯烃的共聚物具有:丁烯-1衍生单元的含量为80重量%以上,分子量分布 小于3的挠曲模量的Mw / Mn为60MPa以下。 纤维和纺粘(无纺布),一次性卫生用品(例如尿布)。

    Magnesium methoxide based catalyst precursors and catalyst components obtained therefrom
    95.
    发明授权
    Magnesium methoxide based catalyst precursors and catalyst components obtained therefrom 有权
    基于甲醇镁的催化剂前体和由其获得的催化剂组分

    公开(公告)号:US07999047B2

    公开(公告)日:2011-08-16

    申请号:US12311079

    申请日:2007-09-18

    Abstract: Catalyst precursors comprising Mg, Ti, OMe and OR groups that are in molar ratios defined by the formula MgTin(OMe)(p)(OR)x in which n is from 0.1 to 1, p is ≧(2+4n), x is from 0 to 1 and R is C2-C15 hydrocarbon groups can be easily transformed, with high yields, in solid catalyst components to be advantageously used in the polymerization of both ethylene and alpha olefins.

    Abstract translation: 包含Mg,Ti,OMe和OR基团的催化剂前体,其摩尔比由式MgTin(OMe)(p)(OR)x定义,其中n为0.1至1,p为≥(2 + 4n),x 0至1,并且R是C 2 -C 15烃基可以容易地以高收率转化成固体催化剂组分,以有利地用于乙烯和α-烯烃的聚合。

    1-BUTENE COPOLYMERS
    100.
    发明申请
    1-BUTENE COPOLYMERS 审中-公开
    1-BOTENE共聚物

    公开(公告)号:US20110003951A1

    公开(公告)日:2011-01-06

    申请号:US12735951

    申请日:2009-02-25

    Abstract: A copolymer of 1-butene and at least a C8-C12 alpha-olefin derived units, having a content of C8-C12 alpha-olefin derived units equal to or higher than 7.2% and lower than 20.0% by mole; endowed with the following features: a) no detectable melting point TmII as the highest melting peak in the second melting transition; b) intrinsic viscosity (IV) measured in tetraline at 135° C. comprised between 0.8 and 5.0 dL/g; c) isotactic pentad mmmm higher than or equal to 90%; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable at 13C NMR; d) the tensile modulus (TM) measured with DMTA in MPa and the comonomer content fulfill the following relationship: TM

    Abstract translation: 具有等于​​或高于7.2%且低于20.0摩尔%的C 8 -C 12α-烯烃衍生单元的1-丁烯和至少一种C 8 -C 12α-烯烃衍生单元的共聚物; 具有以下特征:a)没有可检测的熔点TmII作为第二熔融转变中最高的熔融峰; b)在135℃下在四氢化萘中测量的特性粘度(IV)为0.8至5.0dL / g; c)全同立构五价mmmm高于或等于90%; 低于4的五元组(mmrr + mrrm)和在13 C NMR下不能检测到的五元组; d)用DMTA测量的拉伸弹性模量(MPa)和共聚单体含量满足以下关系:TM <-14×C + 200其中C是C8-C12α-烯烃衍生单元的摩尔含量; e)100%变形时的张力设定值低于55%; 和f)通过DSC(TmI)和C8-C12α-烯烃含量测量的熔点满足以下关系:TmI <-0.20×C + 70其中C是C 8 -C 12α-烯烃衍生单元的摩尔含量, TmI是第一次熔融转变中最高的熔融峰; 否则熔点Tm1不能通过DSC检测。

Patent Agency Ranking