POLYOLEFIN NANOCOMPOSITES MATERIALS
    421.
    发明申请
    POLYOLEFIN NANOCOMPOSITES MATERIALS 有权
    聚烯烃纳米复合材料

    公开(公告)号:US20100304068A1

    公开(公告)日:2010-12-02

    申请号:US12734858

    申请日:2008-10-15

    Abstract: A polyolefin nanocomposite material comprising the following components: (A) a crystalline or semi-crystalline polyolefin resin; and (B) a nanosized mineral filler comprising or substantially consisting of a hydrotalcite, wherein the amount of the hydrotalcite is from 0.02 to 6 parts by weight per 100 parts by weight of the nanocomposite material, and the ratio MFR (1)/MFR (2) of the melt flow rate value MFR (1) of component (A) to the melt flow rate value MFR (2) of the polyolefin nanocomposite material is of at least 1.02, characterized in that the said polyolefin nanocomposite material includes a compatibilizer the dispersion of the mineral filler (B) and compatibilizer in the polyolefin resin is produced at shear mixing rates from 30 to 300 sec−1,

    Abstract translation: 一种聚烯烃纳米复合材料,其包含以下组分:(A)结晶或半结晶聚烯烃树脂; 和(B)包含或基本上由水滑石组成的纳米尺寸矿物填料,其中所述水滑石的量相对于每100重量份的纳米复合材料为0.02至6重量份,并且MFR(1)/ MFR 组分(A)的熔体流动速率值MFR(1)与聚烯烃纳米复合材料的熔体流动速率值MFR(2)的比值(2)为至少1.02,其特征在于所述聚烯烃纳米复合材料包括增容剂 矿物填料(B)和增容剂在聚烯烃树脂中的分散是以剪切速率为30-300秒-1,

    PLASTIC TANKS MADE FROM RANDOM COPOLYMERS OF PROPYLENE AND HEXENE-1
    422.
    发明申请
    PLASTIC TANKS MADE FROM RANDOM COPOLYMERS OF PROPYLENE AND HEXENE-1 有权
    丙烯和HEXENE-1的随机共聚物的塑料罐

    公开(公告)号:US20100285255A1

    公开(公告)日:2010-11-11

    申请号:US12735277

    申请日:2008-12-19

    Abstract: Plastic tanks comprising a propylene-hexene-1 copolymer having a xylene soluble fraction lower than 5% wt with respect to the total weight of the copolymer and satisfying the following relation: A · T m B > 70 wherein A is the MFR measured according to the method ISO 1133 (230° C., 5 kg) expressed in g/10 min, Tm is the melting temperature measured by DSC expressed in ° C. and B is the hexene-1 content expressed in percentage by weight with respect to total weight of the copolymer.

    Abstract translation: 包含相对于共聚物总重量低于5重量%的二甲苯可溶成分的丙烯 - 己烯-1共聚物的塑料罐,满足以下关系:A·T m B> 70其中,A是根据 以g / 10分钟表示的方法ISO 1133(230℃,5kg),Tm是通过DSC测量的熔融温度,以℃表示,并且B是以相对于总计的重量百分比表示的己烯-1含量 共聚物的重量。

    SOLUTION POLYMERIZATION PROCESS FOR PREPARING POLYOLEFINS
    423.
    发明申请
    SOLUTION POLYMERIZATION PROCESS FOR PREPARING POLYOLEFINS 有权
    溶液聚合工艺制备聚烯烃

    公开(公告)号:US20100267906A1

    公开(公告)日:2010-10-21

    申请号:US12735149

    申请日:2008-12-18

    Abstract: A solution process for polymerizing one or more α-olefins of formula CH2═CHR, where R is H or an alkyl radical C1-12, to produce a polyolefin soluble in the reaction medium, the process comprising:a) polymerizing said one or more α-olefins in a solution phase in the presence of a polymerization catalyst and a inert solvent having a vapor pressure lower than 100 kPa at 20° C.; b) separating the produced polyolefin from the unreacted monomers and the inert solvent by means of a sequence of at least three volatilization chambers operating at a decreasing pressure, the second devolatilization chamber being operated at a pressure from 0.8 to 5 bar.

    Abstract translation: 用于聚合一种或多种式CH 2 = CHR的α-烯烃(其中R是H或烷基C1-12)以产生可溶于反应介质的聚烯烃的溶液方法,所述方法包括:a)使所述一种或多种 在聚合催化剂和20℃下蒸气压低于100kPa的惰性溶剂的存在下,在溶液相中形成α-烯烃。 b)通过在减压下操作的至少三个挥发室的顺序将生产的聚烯烃与未反应的单体和惰性溶剂分离,第二脱挥发分室在0.8至5巴的压力下操作。

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    424.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化组分

    公开(公告)号:US20100261859A1

    公开(公告)日:2010-10-14

    申请号:US12735147

    申请日:2008-12-09

    Abstract: Catalyst component having average particle size equal to or lower than 40 μm comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 15 to 50% by mol with respect to the total amount of donors and selected from succinates of formula (I) below in which the radicals R1 and R2, equal to, or different from, each other are a C1-C20 linear or branched alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or alkylaryl group, optionally containing heteroatoms; and the radicals R3 and R4 equal to, or different from, each other, are C1-C20 alkyl, C3-C20 cycloalkyl, C5-C20 aryl, arylalkyl or alkylaryl group with the proviso that at least one of them is a branched alkyl; said compounds being, with respect to the two asymmetric carbon atoms identified in the structure of formula (I), stereoisomers of the type (S,R) or (R,S) and at least another electron donor compound which is extractable, under the test of extractability disclosed in the characterization section, for more than 30% by mol

    Abstract translation: 平均粒度等于或小于40μm的催化剂组分包括卤化镁,至少具有Ti-卤素键的钛化合物和至少两种电子给体化合物,其中一种以15-50%的量存在,其量为15-50% 相对于供体的总量,选自下列式(I)的琥珀酸盐,其中彼此相同或不同的基团R 1和R 2是C 1 -C 20直链或支链烷基,烯基,环烷基, 芳基,芳烷基或烷基芳基,任选地含有杂原子; 并且彼此相同或不同的基团R 3和R 4是C 1 -C 20烷基,C 3 -C 20环烷基,C 5 -C 20芳基,芳基烷基或烷基芳基,条件是它们中的至少一个是支链烷基; 所述化合物相对于在式(I)结构中鉴定的两个不对称碳原子,是可以提取的(S,R)或(R,S)型的至少另一种电子给体化合物的立体异构体 在表征部分中公开的可萃取性试验,超过30%(摩尔)

    HETEROPHASIC POLYOLEFIN COMPOSITIONS HAVING IMPROVED TENSILE PROPERTIES
    425.
    发明申请
    HETEROPHASIC POLYOLEFIN COMPOSITIONS HAVING IMPROVED TENSILE PROPERTIES 有权
    具有改善拉伸性能的异质聚烯烃组合物

    公开(公告)号:US20100222518A1

    公开(公告)日:2010-09-02

    申请号:US12734172

    申请日:2008-09-29

    CPC classification number: C08L23/0815 C08L23/10 C08L2205/02 C08L2666/06

    Abstract: Polyolefin composition comprising, in percent by weight: A) 50-75% of a blend of polymers (PP) and (ECI), wherein (PP) is selected from the group consisting of: (i) propylene homopolymers; (ii) copolymers of propylene; (iii) combinations of said homopolymers (i) and copolymers (ii); (EC1) is a copolymer of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 20 to 35%, of ethylene; and B) 25-50% of a copolymer (ECII) of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 40 to 60% of ethylene; in which composition the copolymer component (ECI) is present in amounts from 23 to 45% with respect to the total weight of (A), and the intrinsic viscosity [ηtot] of the fraction XS soluble in xylene at room temperature, referred to the total weight of (A)+(B), is of 3.5 dl/g or more.

    Abstract translation: 聚烯烃组合物,其以重量百分比计包含:A)50-75%的聚合物(PP)和(ECI)共混物,其中(PP)选自:(i)丙烯均聚物; (ii)丙烯的共聚物; (iii)所述均聚物(i)和共聚物(ii)的组合; (EC1)是乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物,其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH 2 = CHR的α-烯烃的共聚物 ),含有20至35%的乙烯; 和B)25-50%的乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物(ECII),其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH2的共聚物 含有40至60%乙烯的CHRα-烯烃; 在该组合物中,相对于(A)的总重量,共聚物组分(ECI)的存在量为23-45%,在室温下可溶于二甲苯的级分XS的特性粘度[eegr.tot] (A)+(B)的总重量为3.5dl / g以上。

    CATALYST FOR THE POLYMERIZATION OF OLEFINS
    426.
    发明申请
    CATALYST FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    烯烃聚合催化剂

    公开(公告)号:US20100210798A1

    公开(公告)日:2010-08-19

    申请号:US12733341

    申请日:2008-08-19

    CPC classification number: C08F10/02 C08F4/6543 C08F4/6494

    Abstract: The present invention relates to catalysts systems for the polymerization of ethylene and its mixtures with olefins CH2═CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, halogen, (B) an aluminum alkyl compound and (C) an ether of formula ROMe in which R is an alkyl group linked to the oxygen atom through a tertiary carbon atom, and in which the molar ratio between the aluminum alkyl compound (B) and the ether compound (C) ranges from 5 to 50.

    Abstract translation: 本发明涉及用于乙烯及其与烯烃CH 2 = CHR的混合物的聚合的催化剂体系,其中R是具有1-12个碳原子的烷基,环烷基或芳基,其包含(A)固体催化剂组分,其包含Ti,Mg ,卤素,(B)烷基铝化合物和(C)其中R是通过叔碳原子与氧原子连接的烷基的式ROMe的醚,其中烷基铝化合物(B )和醚化合物(C)的范围为5〜50。

    Post-treatment for polymer pellets
    428.
    发明授权
    Post-treatment for polymer pellets 有权
    聚合物颗粒的后处理

    公开(公告)号:US07732551B2

    公开(公告)日:2010-06-08

    申请号:US10559259

    申请日:2004-05-27

    CPC classification number: B29B9/16 B29B9/065 B29B13/045 B29B2009/165

    Abstract: A continuous process for minimizing the agglomeration of freshly manufactured polyolefin pellets comprising the steps of: feeding an aqueous stream containing polyolefin pellets to a tower, cooling said polyolefin pellets during their upward flow along said tower by means of a downward flow of a cooling agent having a density higher than said polyolefin, collecting the cooled pellets from the top of said tower after a residence time in the tower comprised between 2 and 20 minutes.

    Abstract translation: 一种用于最小化新制造的聚烯烃粒料团聚的连续方法,其包括以下步骤:将含有聚烯烃粒料的含水物流送入塔中,通过向下流动的冷却剂将所述聚烯烃粒料向上流动,冷却所述聚烯烃粒料,所述冷却剂具有 密度高于所述聚烯烃,在塔中的停留时间为2至20分钟之后,从所述塔的顶部收集冷却的颗粒。

    PROCESS FOR THE PREPARATION OF SOFT PROPYLENE POLYMER COMPOSITIONS
    429.
    发明申请
    PROCESS FOR THE PREPARATION OF SOFT PROPYLENE POLYMER COMPOSITIONS 有权
    制备软丙烯聚合物组合物的方法

    公开(公告)号:US20100121000A1

    公开(公告)日:2010-05-13

    申请号:US12451595

    申请日:2008-05-07

    Abstract: A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least one polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones said process being characterized by the fact that at least 30% by weight of said xylene soluble fraction is produced in the polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.

    Abstract translation: 制备弯曲模量低于500MPa,总乙烯含量高于9%的丙烯共聚物组合物和室温高于20%的二甲苯可溶组分的方法,包括在气体中进行的至少一个聚合步骤 包含至少两个相互连接的聚合区的所述相相聚合反应器,所述方法的特征在于,在聚合步骤中产生至少30重量%的所述二甲苯可溶部分,所述聚合步骤在气相聚合反应器中进行,所述气相聚合反应器包括至少两个互连的 聚合区。

    CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS
    430.
    发明申请
    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:US20100120998A1

    公开(公告)日:2010-05-13

    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。

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