Pressurization of ethylenically unsaturated monomers
    21.
    发明授权
    Pressurization of ethylenically unsaturated monomers 失效
    烯属不饱和单体的加压

    公开(公告)号:US06350827B1

    公开(公告)日:2002-02-26

    申请号:US09452451

    申请日:1999-12-02

    IPC分类号: C08F240

    摘要: Disclosed is a process for pressurizing ethylenically unsaturated monomers to 200-5000 bar in the absence of a polymerization initiator, which comprises effecting said pressurizing in the presence of nitroxyl compounds of the formula I where R1 and R2 are singly C1-C4-alkyl or combine with the joining carbon atom to form a 5- or 6-membered saturated hydrocarbon ring, R3 is C1-C4-alkyl, and R4 is hydrogen or C1-C12-alkyl. Also disclosed are a process for preparing copolymers by such pressurization and subsequent polymerization and copolymers obtainable thereby.

    摘要翻译: 公开了一种在不存在聚合引发剂的情况下将烯属不饱和单体加压至200-5000巴的方法,其包括在式I的硝酰基化合物存在下进行所述加压,其中R 1和R 2是单C1-C4烷基或与 连接碳原子以形成5-或6-元饱和烃环,R 3为C 1 -C 4 - 烷基,R 4为氢或C 1 -C 12 - 烷基。还公开了通过这种加压和随后的聚合和共聚物制备共聚物的方法 从而获得。

    Polymerization catalyst used for producing polyolefins that have excellent combined properties
    24.
    再颁专利
    Polymerization catalyst used for producing polyolefins that have excellent combined properties 有权
    用于生产具有优异组合性能的聚烯烃的聚合催化剂

    公开(公告)号:USRE40140E1

    公开(公告)日:2008-03-04

    申请号:US11541519

    申请日:2001-05-14

    CPC分类号: C08F10/02 C08F4/24

    摘要: The invention relates to a process for preparing a catalyst for the polymerization of olefins, which comprises: a) preparation of a finely divided silica xerogel, b) loading of the xerogel with chromium from a solution of chromium trioxide or a chromium compound which is converted into chromium trioxide under the conditions of step c), and c) activation of the resulting product at from 400 to 1100° C. in a water-free gas stream comprising oxygen in a concentration of above 10% by volume, wherein a fluoride doping with a fluorinating agent is carried out in step b) or in step c). Furthermore, the invention relates to a catalyst for the polymerization of olefins which is obtainable by the process of the invention and to a process for the polymerization of olefins in which an olefin or an olefin mixture is polymerized in the presence of a catalyst according to the invention.

    摘要翻译: 本发明涉及一种制备烯烃聚合催化剂的方法,该方法包括:a)制备细碎的二氧化硅干凝胶,b)用铬从三氧化铬溶液或铬化合物的溶液中加载干凝胶, 在步骤c)的条件下转化为三氧化铬,和c)在含有浓度高于10体积%的氧的无水气流中,在400至1100℃下活化所得产物,其中氟化物掺杂 在步骤b)或步骤c)中进行氟化剂。 此外,本发明涉及可通过本发明的方法获得的烯烃聚合催化剂和烯烃聚合方法,其中烯烃或烯烃混合物在催化剂存在下聚合,根据 发明。

    Process for preparing oxidized polyethylene waxes
    26.
    发明授权
    Process for preparing oxidized polyethylene waxes 失效
    制备氧化聚乙烯蜡的方法

    公开(公告)号:US6060565A

    公开(公告)日:2000-05-09

    申请号:US948069

    申请日:1997-10-09

    IPC分类号: C08F8/06

    摘要: A process is described for preparing oxidized polyethylene waxes by oxidizing such waxes with oxygen or oxygen-containing gases at from 120 to 250.degree. C. under a pressure of from 1 to 200 bar, which involves conducting the oxidation reaction in the presence of an ethylene-(meth)acrylic acid copolymer.

    摘要翻译: 描述了一种制备氧化聚乙烯蜡的方法,该方法是用氧或含氧气体在120-250℃下在1至200巴的压力下氧化这种蜡,其包括在乙烯存在下进行氧化反应 (甲基)丙烯酸共聚物。

    Thermoplastic molding material with a matt effect
    27.
    发明授权
    Thermoplastic molding material with a matt effect 失效
    热塑性成型材料具有无光泽的效果

    公开(公告)号:US5475055A

    公开(公告)日:1995-12-12

    申请号:US327880

    申请日:1994-10-24

    摘要: A thermoplastic molding material containing, based on the sum of its constituents A, B and C,A: 70 to 99% by weight of a thermoplastic resin A comprising, based on A,A1: 50 to 100% by weight of a hard matrix A1 comprising, based on A1,A11: 50 to 95% by weight of units of an aromatic vinyl compound or methyl methacrylate or their mixtures (A11) andA12: 5 to 50% by weight of units of acrylonitrile A12;A2: up to 50% by weight of a rubber-elastic particulate graft copolymer A2 comprising, based on A2,A21: 30 to 80% by weight of at least one elastomeric graft base A21 having a median particle size of from 30 to 1000 nm comprising, based on A21,A211: 50 to 100% by weight of units of a 1,3-diene or a C.sub.4 -C.sub.8 alkyl acrylate forming rubber-elastic polymers (A211),A212: up to 50% by weight of units of at least one vinyl monomer A212;andA22: 15 to 85% by weight of a graft shell A22 comprising, based on A22,A221: 50 to 90% by weight of units of an aromatic vinyl monomer A221 andA222: 10 to 50% by weight of units of acrylonitrile A222;B: 0.5 to 15% by weight of a nitrile rubber B comprising, based on B,B1: 10 to 40% by weight of units of acrylonitrile, andB2: 60 to 90% by weight of units of butadiene;andC: 0.5 to 15% by weight of a particulate polymer C distributed in the hard matrix A and comprising, based on C,C1: 80 to 99% by weight of units of methyl methacrylate,C2: 0.5 to 15% by weight of units of an ester of acrylic acid,C3: 0.5 to 5% by weight of units of a crosslinking monomer copolymerizable with C1 and C2, andC4: up to 10% by weight of units of a polar monomer selected from (meth)acrylic acid, hydroxyethyl (meth)acrylate and dimethylaminoethyl (meth)acrylate,the median particle size of C being from 50 to 50,000 nm.

    摘要翻译: 一种热塑性成型材料,其基于其成分A,B和C的总和,A:70-99重量%的热塑性树脂A,其包含基于A的Al:50至100重量%的硬质基质 A1包含基于A1,A11:50至95重量%的芳族乙烯基化合物或甲基丙烯酸甲酯或其混合物(A11)和A12:5-50重量%的丙烯腈A12的单元; A2:高达50重量%的橡胶弹性颗粒接枝共聚物A2,其包含基于A2的A21:30至80重量%的至少一种中值粒径为30至1000nm的弹性体接枝基质A21 包括基于A21的A211:50至100重量%的1,3-二烯或丙烯酸C 4 -C 8烷基酯的单元形成橡胶弹性聚合物(A211),A212:至多50重量%的 至少一种乙烯基单体A212; 和A22:15至85重量%的接枝壳A22,其包含基于A22的A221:50至90重量%的芳族乙烯基单体A221和A222的单元:10至50重量%的丙烯腈A222的单元 ; B:以B为基准的丁腈橡胶B的0.5〜15重量%B1:10〜40重量%的丙烯腈单元,B2:60〜90重量%的丁二烯单元; 和C:0.5至15重量%的分散在硬质基质A中的颗粒状聚合物C,其基于C包含:C:80至99重量%的甲基丙烯酸甲酯单元,C2:0.5至15重量% 丙烯酸酯的单元,C3:0.5至5重量%的可与C1和C2共聚的交联单体的单元和C4:至多10重量%的选自(甲基)丙烯酸的极性单体的单元 ,(甲基)丙烯酸羟乙酯和(甲基)丙烯酸二甲基氨基乙酯,C的中值粒径为50〜50000nm。

    Polymethacrylimides having a high heat resistance
    29.
    发明授权
    Polymethacrylimides having a high heat resistance 失效
    具有高耐热性的聚甲基丙烯酰亚胺

    公开(公告)号:US5354814A

    公开(公告)日:1994-10-11

    申请号:US82580

    申请日:1993-06-28

    CPC分类号: C08F8/32 C08F2800/20

    摘要: Copolymers obtainable by(I) copolymerizing a monomer mixture comprising(A) 1 to 98% by weight of a monomer of the formula I ##STR1## where: R.sup.1 to R.sup.6 are hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy, it being possible in the alkyl or alkoxy radicals having more than one carbon atom for an oxygen atom to be inserted in each case between two carbon atoms, C.sub.5 -C.sub.8 -cycloalkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl, C.sub.6-C.sub.10 -aryl-C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.10 -aryloxy, cyano, halogen, --CO--O--R.sup.7, --O--CO--R.sup.7 or --CO--NR.sup.7 R.sup.8, whereR.sup.7 and R.sup.8 are hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.10 -alkyl;p is 0, 1 or 2;Z is --CH.sub.2 --, oxygen or sulfur;Y is oxygen or --N--R.sup.9, whereR.sup.9 is hydrogen, C.sub.1 -C.sub.22 -alkyl, C.sub.5 -C.sub.12 -cycloalkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.10 -alkyl;(B) 1 to 98% by weight of a compound selected from the group comprising acrylic and methacrylic acid and esters thereof,(C) 0 to 98% by weight of a further monomer, and(II) reacting the thus obtained copolymers with a primary amineand also a process for preparing these copolymers, the use thereof for producing molded articles, and also molded articles produced from these polymers, and homopolymers and copolymers as intermediates.

    摘要翻译: 通过(I)共聚单体混合物可以得到的共聚物,其包含(A)1至98重量%的式I的单体其中:R 1至R 6为氢,C 1 -C 10 - 烷基,C 1 -C 10 - 烷氧基 在具有多个碳原子的烷基或烷氧基中,可以在两个碳原子之间插入氧原子,C5-C8-环烷基,未取代或取代的C6-C10-芳基,C6-C10-芳基, 芳基-C 1 -C 10 - 烷基,C 6 -C 10 - 芳氧基,氰基,卤素,-CO-O-R 7,-O-CO-R 7或-CO-NR 7 R 8,其中R 7和R 8是氢,C 1 -C 10 - 烷基, C 5 -C 8 - 环烷基,未取代或取代的C 6 -C 10 - 芳基或C 6 -C 10 - 芳基-C 1 -C 10烷基; p为0,1或2; Z是-CH 2 - ,氧或硫; Y是氧或-N-R9,其中R9是氢,C1-C22-烷基,C5-C12-环烷基,未取代或取代的C6-C10-芳基或C6-C10-芳基-C1-C10-烷基; (B)1至98重量%的选自丙烯酸和甲基丙烯酸及其酯的化合物,(C)0至98重量%的另外的单体,和(II)使由此获得的共聚物与 伯胺,以及这些共聚物的制备方法,其用于制备模塑制品的用途,以及由这些聚合物制备的模塑制品以及均聚物和共聚物作为中间体。

    Soluble polymers
    30.
    发明授权
    Soluble polymers 失效
    可溶性聚合物

    公开(公告)号:US5247035A

    公开(公告)日:1993-09-21

    申请号:US5781

    申请日:1993-01-19

    IPC分类号: C08F2/38 C08F216/12

    CPC分类号: C08F216/12

    摘要: At least 95% tetrahydrofuran soluble polymers are obtainable by copolymerization of a monomer mixture ofA) from 1 to 99% by weight of at least one at least 98% pure monomer of the general formula ICH.sub.2 .dbd.C(E)CH.sub.2 --O--CH.sub.2 C(E').dbd.CH.sub.2 I where E and E' have been selected from the group consisting of --COOR.sup.1, --COR.sup.1, --CONR.sup.2 R.sup.3 and --CN and R.sup.1, R.sup.2 and R.sup.3 are each defined as follows:R.sup.1 =H, alkyl, cycloalkyl, cycloalkylalkyl, wherein the cycloalkyl rings may be alkyl- or alkoxy-monosubstituted, -disubstituted or -trisubstituted, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aryl, arylalkyl, wherein the aryl groups may carry up to three of the following groups: halogen, alkyl, alkoxy, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, nitrilo, nitro, amino, alkylamino, dialkylamino;R.sup.2, R.sup.3 =H, alkyl, cycloalkyl, cycloalkylalkyl, wherein the cycloalkyl rings may be alkyl- or alkoxy-monosubstituted, -disubstituted or -tri-substituted, aryl, arylalkyl, wherein the aryl groups may carry up to three of the following groups: halogen, alkyl, alkoxy, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, nitrilo, nitro, amino, alkylamino, dialkylamino; andB) from 99 to 1% by weight of at least one further radical polymerizable monomer.

    摘要翻译: 至少95%的四氢呋喃可溶性聚合物可通过将A)单体混合物与1-99重量%的至少一种至少98%的通式I CH 2 = C(E)CH 2 -O- CH2C(E')= CH2I其中E和E'选自-COOR1,-COR1,-CONR2R3和-CN,R1,R2和R3的定义如下:R1 = H,烷基, 环烷基,环烷基烷基,其中环烷基环可以是烷基 - 或烷氧基 - 单取代的 - 取代或 - 取代的,羟基烷基,氨基烷基,烷基氨基烷基,二烷基氨基烷基,芳基,芳烷基,其中芳基可以带有三个以下基团:卤素 烷基,烷氧基,羧基,烷氧基羰基,氨基羰基,烷基氨基羰基,二烷基氨基羰基,次氮基,硝基,氨基,烷基氨基,二烷基氨基; R2,R3 = H,烷基,环烷基,环烷基烷基,其中环烷基环可以是烷基 - 或烷氧基 - 单取代的, - 取代的或 - 取代的,芳基,芳基烷基,其中芳基可以带有三个以下基团 卤素,烷基,烷氧基,羧基,烷氧基羰基,氨基羰基,烷基氨基羰基,二烷基氨基羰基,次氮基,硝基,氨基,烷基氨基,二烷基氨基; 和B)99至1重量%的至少一种其它可自由基聚合的单体。