Eliminating odor/taste-producing substances in plastic materials with
zeolites
    1.
    发明授权
    Eliminating odor/taste-producing substances in plastic materials with zeolites 失效
    用沸石消除塑料材料中的气味/味觉产生物质

    公开(公告)号:US5436282A

    公开(公告)日:1995-07-25

    申请号:US169965

    申请日:1993-12-20

    CPC分类号: C08K7/26

    摘要: A process for eliminating in plastic materials odor/taste-producing substances is described, the plastic material especially having the shape of water pipes, plastic containers or plastic film/sheeting for packing foodstuffs and pharmaceutical preparations, or interior fittings of plastic. In the process, there is added, during processing in the molten state, less than 0.5 wt.-%, preferably 0.05-0.3 wt.-%, of a substantially hydrophobic aluminum silicate molecular sieve having a pore diameter of at least 5.5 .ANG., an Si/Al molar ratio in the crystal lattice of at least 35, preferably 200-500, and a sorption capacity for water at 25.degree. C. and 4.6 torr of less than 10 wt.-%, to the plastic material which subsequently is formed. The molecular sieve preferably has an average particle size not exceeding about 5 .mu.m. The plastic material is a polyolefin plastic and is preferably selected among ethylene plastics and propylene plastics.

    摘要翻译: 描述了用于消除塑料材料气味/味觉产生物质的方法,特别是具有水管,塑料容器或用于包装食品和药物制剂的塑料膜/片材的塑料或塑料的内部配件。 在该方法中,在熔融状态下加工时,加入小于0.5重量%,优选0.05-0.3重量%的孔径至少为5.5埃的基本上疏水的硅酸铝分子筛, 晶格中的Si / Al摩尔比至少为35,优选为200-500,对于25℃和4.6托的小于10重量%的水的吸附能力小于10重量%,随后是 形成。 分子筛的平均粒径优选不超过约5μm。 塑料材料是聚烯烃塑料,优选选自乙烯塑料和丙烯塑料。

    Semiconductive polymer composition comprising polar copolymer
    2.
    发明授权
    Semiconductive polymer composition comprising polar copolymer 有权
    包含极性共聚物的半导体聚合物组合物

    公开(公告)号:US09296883B2

    公开(公告)日:2016-03-29

    申请号:US13580882

    申请日:2011-02-04

    摘要: The present invention relates to a semiconductive polymer composition comprising: —an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable.

    摘要翻译: 本发明涉及一种半导体聚合物组合物,其包含: - 包含(甲基)丙烯酸甲酯共​​聚单体单元的乙烯共聚物(A),其中所述乙烯共聚物(A)的熔融温度为80℃以下, 炭黑,其中乙烯共聚物(A)在高压釜高压反应器或多进料管式反应器中制备; 涉及包含 - 包含(甲基)丙烯酸甲酯,共聚单体单元的乙烯共聚物(A)的半导体聚合物组合物; 和碳黑,其中乙烯共聚物(A)的特征在于,如本文所述的乙烯共聚物(A)的分馏方法中在第一分馏步骤(馏分1)中获得的馏分的存在量不大于 40重量% 基于乙烯共聚物(A)的总量的%; 以及包含半导体聚合物组合物的半导电层以及半导体聚合物组合物在制备电力电缆的半导体层中的用途的电缆。

    SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER
    3.
    发明申请
    SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER 有权
    包含极性共聚物的半导体聚合物组合物

    公开(公告)号:US20130032376A1

    公开(公告)日:2013-02-07

    申请号:US13580882

    申请日:2011-02-04

    IPC分类号: H01B1/04 H01B3/30

    摘要: The present invention relates to a semiconductive polymer composition comprising:—an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80 ° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable.

    摘要翻译: 本发明涉及一种半导体聚合物组合物,其包含: - 包含(甲基)丙烯酸甲酯共​​聚单体单元的乙烯共聚物(A),其中所述乙烯共聚物(A)的熔融温度为80℃以下, 炭黑,其中乙烯共聚物(A)在高压釜高压反应器或多进料管式反应器中制备; 涉及包含 - 包含(甲基)丙烯酸甲酯,共聚单体单元的乙烯共聚物(A)的半导体聚合物组合物; 和碳黑,其中乙烯共聚物(A)的特征在于,如本文所述的乙烯共聚物(A)的分馏方法中在第一分馏步骤(馏分1)中获得的馏分的存在量不大于 40重量% 基于乙烯共聚物(A)的总量的%; 以及包含半导体聚合物组合物的半导电层以及半导体聚合物组合物在制备电力电缆的半导体层中的用途的电缆。

    MULTIMODAL POLYETHYLENE COMPOSITION FOR PIPES
    4.
    发明申请
    MULTIMODAL POLYETHYLENE COMPOSITION FOR PIPES 审中-公开
    用于管道的多模聚乙烯组合物

    公开(公告)号:US20090203848A1

    公开(公告)日:2009-08-13

    申请号:US11718028

    申请日:2005-11-02

    IPC分类号: C08L23/08

    摘要: The present invention relates to a multimodal polyethylene composition for pipes which comprises polyethylene composition comprising a base resin which comprises (A) an ethylene homo- or copolymer fraction, and (B) an ethylene copolymer fraction comprising at least one alphaolefin comonomer having at least 4 carbon atoms, wherein (i) fraction (A) has a lower average molecular weight than fraction (B), and (ii) the comonomer content and the density d of the base resin satisfy the following relation: comonomer [mol %]>−0.0612 d [kg/m3] mol %/(kg/m3)+58.6, and (iii) the base resin comprises mom than 0.5 mol % of at least one alpha-olefin comonomer having at leant 4 carbon atoms. Furthermore, the present invention relates to a process for the production or said composition, a pipe comprising said composition and to the use of said composition for the production of a pipe.

    摘要翻译: 本发明涉及一种用于管道的多峰聚乙烯组合物,其包含聚乙烯组合物,其包含基础树脂,其包含(A)乙烯均聚物或共聚物部分,和(B)乙烯共聚物部分,其包含至少一种具有至少4个的α-烯烃共聚单体 碳原子,其中(i)级分(A)的平均分子量低于级分(B),和(ii)基础树脂的共聚单体含量和密度d满足下列关系:共聚单体[mol%]> - 0.0612d [kg / m3] mol%/(kg / m3)+58.6,(iii)基础树脂包含比0.5摩尔%至少一种具有4个碳原子的α-烯烃共聚单体。 此外,本发明涉及生产或所述组合物的方法,包括所述组合物的管和所述组合物用于生产管的用途。

    Composition for electric cables comprising thiodiol fatty acid diesters
    6.
    发明授权
    Composition for electric cables comprising thiodiol fatty acid diesters 有权
    包含硫醇脂肪酸二酯的电缆组合物

    公开(公告)号:US06586509B1

    公开(公告)日:2003-07-01

    申请号:US09749500

    申请日:2000-12-26

    IPC分类号: H01B344

    摘要: A composition for an insulating layer of an electric cable wherein the composition contains an ethylene plastic as the base resin and further contains up to about 5% by weight of additives including antioxidant, and peroxide cross-linking agent. The composition is characterised in that the antioxidant additive includes a compound of the formula (V): R1(—(C+O)O—)k(CH2)1—S—(CH2)m(—OO(C═O)—)nR2 where R1 and R2, which are the same of different, are C7-C23 alkyl, C7-C23 alkenyl, R3—Ar—, Ar—R3—, or AR—, where R3 is C8-C24 alkyl and Ar is c6-c14 aryl; k and n, which are the same of different, are 0 or 1, l and m, which are the same or different, are integers ≧0; with the proviso that the compound is free from phenolic groups; and that the compositions is free from compounds having the formula (VI): R—O—(C═O)—CH2CH2SCH2CH2—(C═O)—O—R where R is a C8-C20 alkyl group.

    摘要翻译: 用于电缆绝缘层的组合物,其中所述组合物含有乙烯塑料作为基础树脂,并且还含有至多约5重量%的包括抗氧化剂和过氧化物交联剂的添加剂。 该组合物的特征在于抗氧剂添加剂包括式(Ⅴ)化合物:R1( - (C + O)O-)k(CH2)1-S-(CH2)m(-OO(C = O) - )n R 2其中R 1和R 2相同的是C 7 -C 23烷基,C 7 -C 23烯基,R 3 -Ar-,Ar-R 3 - 或AR-,其中R 3是C 8 -C 24烷基,Ar是 c6-c14芳基; k和n是相同或不同的,0或1,l和m相同或不同,它们是> = 0的整数; 条件是该化合物不含酚基; 并且该组合物不含具有式(Ⅵ)的化合物:R-O-(C = O)-CH 2 CH 2 SCH 2 CH 2 - (C = O)-O-R,其中R是C 8 -C 20烷基。

    Modified Polymer Compositions, Modification Process and Free Radical Generating Agents
    7.
    发明申请
    Modified Polymer Compositions, Modification Process and Free Radical Generating Agents 审中-公开
    改性聚合物组合物,改性方法和自由基发生剂

    公开(公告)号:US20100181096A1

    公开(公告)日:2010-07-22

    申请号:US12667554

    申请日:2008-07-10

    摘要: The application relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition.

    摘要翻译: 本申请涉及将聚合物组合物,改性聚合物组合物改性成制品,优选包括所述改性聚合物组合物的电线或电缆的方法,用于制备制品,优选电线或电缆的方法,以使用 一种或多种电线或电缆层中的所述改性聚合物,以及用作改性聚合物组合物的自由基产生剂的化合物。

    CROSS-LINKING AGENT
    8.
    发明申请
    CROSS-LINKING AGENT 有权
    交联剂

    公开(公告)号:US20100108357A1

    公开(公告)日:2010-05-06

    申请号:US12522503

    申请日:2007-12-19

    摘要: The present invention relates to a crosslinkable polymer composition comprising an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.38, and at least one crosslinking agent being a carbon-carbon initiator that is free of peroxide groups and capable of thermally decomposing into carbon-based free radicals by breaking at least one carbon-carbon single bond, such as 3,4-dimethyl-3,4-diphenylhexane.

    摘要翻译: 本发明涉及含有碳 - 碳双键/ 1000个碳原子总量至少为0.38的不饱和聚烯烃和至少一种不含过氧化物基团的碳 - 碳引发剂交联剂的交联聚合物组合物 并且能够通过破坏至少一种碳 - 碳单键而热分解成碳基自由基,例如3,4-二甲基-3,4-二苯基己烷。

    MULTIMODAL POLYETHYLENE COMPOSITION WITH IMPROVED HOMOGENEITY
    9.
    发明申请
    MULTIMODAL POLYETHYLENE COMPOSITION WITH IMPROVED HOMOGENEITY 审中-公开
    具有改善的均匀性的多模聚乙烯组合物

    公开(公告)号:US20090252910A1

    公开(公告)日:2009-10-08

    申请号:US11718018

    申请日:2005-11-02

    IPC分类号: C08F10/02 B32B1/08

    摘要: The present invention concerns a multimodal polyethylene composition comprising a base resin comprising three ethylene homo- or copolymer fractions (A), (B) and (C) with different weight average molecular weight Mw, wherein a) fraction (A) has an MFR21 equal or lower than 20 g/10 min, b) fraction (B) has a lower weight average molecular weight than fraction (C), c) fraction (C) has a lower weight average molecular weight than fraction (A), d) the composition has a viscosity at a shear stress of 747 Pa (eta747) of 350 kPas or higher, and e) the composition has a MFR5 of 0.15 g/10 min or higher and a white spot area of 1% or below. Furthermore, the present invention relates to a process for the production of such a composition as well as to the use of such a composition for the production of a pipe, for moulding applications, and wire and cable applications.

    摘要翻译: 本发明涉及一种多峰聚乙烯组合物,其包含基本树脂,其包含三种具有不同重均分子量Mw的乙烯均聚物或共聚物部分(A),(B)和(C),其中a)部分(A)的MFR 21等于 或低于20g / 10分钟,b)级分(B)的重均分子量低于级分(C),c)级分(C)的重均分子量低于级分(A),d) 组合物在747Pa(eta747)的剪切应力下的粘度为350kPa·s以上,e)组合物的MFR 5为0.15g / 10分钟以上,白点面积为1%以下。 此外,本发明涉及一种生产这种组合物的方法,以及这种组合物用于生产管道,成型应用和电线电缆应用的用途。

    Electric cable and a method and composition for the production thereof
    10.
    发明授权
    Electric cable and a method and composition for the production thereof 有权
    电缆及其生产方法和组合物

    公开(公告)号:US06416860B1

    公开(公告)日:2002-07-09

    申请号:US09534669

    申请日:2000-03-24

    IPC分类号: B32B1508

    摘要: A semiconducting composition for the inner semiconducting layer of an electric cable, an electric cable incorporating the composition, and a method of producing a cross-linked inner semiconducting layer of an electric cable are disclosed. The semiconducting composition comprises, based on the total weight of the composition, (a) 30-90% by weight of an ethylene copolymer, (b) carbon black in an amount at least sufficient to make the composition semiconducting, (c) 0-8% by weight of a peroxide cross-linking agent, (d) 0-8% by weight of conventional additives, characterized in that said ethylene copolymer (a) is an ethylene-methyl (meth)acrylate copolymer, preferably comprising 5-25% by weight of methyl(meth)acrylate, based on the weight of the copolymer.

    摘要翻译: 公开了一种用于电缆的内部半导体层的半导体组合物,包含该组合物的电缆以及一种制造电缆的交联内部半导体层的方法。 该半导体组合物基于组合物的总重量包含(a)30-90重量%的乙烯共聚物,(b)至少足以使组合物半导电的量的碳黑,(c)0- 8重量%的过氧化物交联剂,(d)0-8重量%的常规添加剂,其特征在于所述乙烯共聚物(a)是乙烯 - (甲基)丙烯酸甲酯共​​聚物,优选包含5-25 (甲基)丙烯酸甲酯的重量%,基于共聚物的重量。