Ziegler-natta catalyst systems containing specific organosilicon
compounds
    2.
    发明授权
    Ziegler-natta catalyst systems containing specific organosilicon compounds 失效
    含有特定有机硅化合物的齐格勒 - 纳塔催化剂体系

    公开(公告)号:US5773537A

    公开(公告)日:1998-06-30

    申请号:US579890

    申请日:1995-12-28

    CPC分类号: C08F10/00

    摘要: Catalyst systems of the Ziegler-Natta type contain, as active components a) a titanium-containing solid component in whose preparation a titanium compound, a compound of magnesium, a halogenating agent and an electron donor component are used, b) an aluminum compound and c) as a further electron donor component, an organosilicon compound of the formula (I) R.sup.1 R.sup.2 Si(OR.sup.3).sub.2 (I) where R.sup.1 is C.sup.1 -C.sub.10 -alkyl or C.sub.3 -C.sub.8 -cycloalkyl, excluding sec-butyl, R.sup.2 is sec-butyl and R.sup.3 is C.sub.1 -C.sub.8 -alkyl. The catalyst systems are particularly suitable for the preparation of polymers of C.sub.2 -C.sub.10 -alk-1-enes.

    摘要翻译: 齐格勒 - 纳塔型催化剂体系包含作为活性组分的a)其中使用钛化合物,镁化合物,卤化剂和电子给体组分的含钛固体组分,b)铝化合物和 c)作为另外的电子给体组分,式(I)的有机硅化合物R1R2Si(OR3)2(Ⅰ)其中R1是C1-C10-烷基或C3-C8-环烷基,不包括仲丁基,R2是仲 - 丁基,R 3为C 1 -C 8 - 烷基。 催化剂体系特别适用于制备C 2 -C 10 - 烷-1-烯的聚合物。

    Multiphase block of propylene, comprising copolymers of propylene
    3.
    发明授权
    Multiphase block of propylene, comprising copolymers of propylene 失效
    丙烯的多相块,包括丙烯的共聚物

    公开(公告)号:US5753773A

    公开(公告)日:1998-05-19

    申请号:US545823

    申请日:1995-11-09

    摘要: Multiphase block copolymers of propylene comprising a) a polymer of propylene with from 0 to 5% by weight of further C.sub.2 -C.sub.10 1-alkenes, b) a copolymer of propylene with from 5 to 98% by weight of further C.sub.2 -C.sub.10 1-alkenes, the multiphase block copolymers having a melting point of less than 155.degree. C. and a stiffness (shear modulus G) conforming to the following condition (I): ##EQU1## where M.sub.a) denotes the amount of propylene polymer a) and M.sub.co denotes the amount of the multiphase block copolymer. are obtainable in particular by polymerization by means of metallocene-containing catalyst systems.

    摘要翻译: PCT No.PCT / EP94 / 01591 Sec。 371日期:1995年11月9日 102(e)1995年11月9日PCT PCT 1994年5月17日PCT公布。 公开号WO94 / 28042 日期1994年12月8日丙烯的多相嵌段共聚物,其包含a)丙烯聚合物和0-5重量%的其它C 2 -C 10 1-烯烃,b)丙烯与5至98重量%进一步的共聚物 C2-C10 1-烯烃,多相嵌段共聚物的熔点小于155℃,刚度(剪切模量G)符合以下条件(I):其中Ma)表示 丙烯聚合物a)的量,Mco表示多相嵌段共聚物的量。 特别是通过含茂金属的催化剂体系的聚合获得的。

    Preparation of homo- and copolymers of propene by means of a
Ziegler-Natta catalyst system
    4.
    发明授权
    Preparation of homo- and copolymers of propene by means of a Ziegler-Natta catalyst system 失效
    通过齐格勒 - 纳塔催化剂体系制备丙烯的均聚物和共聚物

    公开(公告)号:US5288824A

    公开(公告)日:1994-02-22

    申请号:US934848

    申请日:1992-08-25

    CPC分类号: C08F10/06

    摘要: Polymers of propene are prepared using a Ziegler-Natta catalyst system comprising (1) titanium component which is based on a finely divided, shape-imparting silica gel and contains titan- ium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component. The process employs a titanium component (1) which is obtained by a method in which (1.1) first (I) a carrier is prepared from (Ia) a silica gel which has a relatively high moisture content, (Ib) an organomagnesium compound and (Ic) a gaseous chlorinating agent in a manner such that (1.1.1) first (Ia) is reacted with (Ib), (1.1.2) then (Ic) is passed into the mixture obtained from (1.1.1), (1.2) then a solid-phase intermediate is prepared from (I), (II) an alkanol, (III) titanium tetrachloride and (IV) a phthalic acid derivative in a manner such that (1.2.1) first (I) is reacted with (II), (1.2.2) then (III) is introduced into the mixture resulting from (1.2.1), with the proviso that (IV) is also introduced in (1.2.1) or (1.2.2), (1.3) then the solid-phase intermediate resulting from (1.2) is extracted with titanium tetrachloride or with a titanium tetrachloride/-hydrocarbon mixture and (1.4) finally the solid-phase product resulting from (1.3) is washed with a liquid hydrocarbon.

    摘要翻译: 使用齐格勒 - 纳塔催化剂体系制备丙烯聚合物,该催化剂体系包括(1)基于精细分散的形状赋予硅胶并含有钛,镁,氯和苯甲酸衍生物的钛组分,(2) 铝成分和(3)硅烷成分。 该方法采用通过以下方法得到的钛组分(1):其中(1.1)第一(I)载体由(Ia)由具有相对高的水分含量的硅胶制备,(Ib)有机镁化合物和 (Ic)气态氯化剂,使得(1.1.1)第一(Ia)与(Ib),(1.1.2)反应,然后(Ic)进入从(1.1.1)获得的混合物中, (1.2),然后以(I),(II)烷醇,(III)四氯化钛和(IV)邻苯二甲酸衍生物的方式制备固相中间体,使得(1.2.1)第一(I)为 与(II)反应,(1.2.2)然后将(III)引入由(1.2.1)得到的混合物中,条件是(IV)也引入(1.2.1)或(1.2.2) ,(1.3),然后用四氯化钛或四氯化钛/ - 烃混合物萃取由(1.2)得到的固相中间体,(1.4)最后将由(1.3)得到的固相产物用液体烃 。

    Process for the production of high-flow propylene/ethylene copolymers
    5.
    发明授权
    Process for the production of high-flow propylene/ethylene copolymers 失效
    生产高流动性丙烯/乙烯共聚物的方法

    公开(公告)号:US5639822A

    公开(公告)日:1997-06-17

    申请号:US355307

    申请日:1994-12-12

    CPC分类号: C08F297/083 C08F210/06

    摘要: High-flow propylene/ethylene copolymers which have a melt flow index of from 2 to 200 g/min under a load of 2.16 kg at 230.degree. C. and which may be produced from the gas phase by polymerization in two stages in an agitated fixed bed in the presence of hydrogen acting as chain stoppage regulator and using a Ziegler-Natta catalyst system comprising a titaniferous solid component which contains a magnesium compound on finely divided silicon oxide or on finely divided aluminum oxide or on a finely divided aluminum silicate having the empirical formula SiO.sub.2.aAl.sub.2 O.sub.3, where a stands for a value between 0.001 and 2, and an aluminum component, by means of a procedure comprisinga) a first polymerization stage in which propylene is polymerized under a pressure of from 20 to 40 bar and at a temperature of from 60.degree. to 90.degree. C., the ratio of the partial pressure of the hydrogen to that of the propylene being adjusted to from 1:100 to 10:100, followed byb) a second polymerization stage, which consists in the polymerization, at a temperature of from 40.degree. to 100.degree. C., of a mixture of propylene and ethylene and the addition thereof, in the form of polymerized units, to the polypropylene produced in the first polymerization stage, the pressure in this second polymerization stage being from 10 to 30 bar and at least 7 bar lower than that used in the first polymerization stage, while the ratio of the partial pressure of the hydrogen to that of the propylene is adjusted to from 2:100 to 12:100 and the ratio of the weight of monomer converted in the first stage to that of monomer converted in the second stage is kept within the range of 1:1 to 20:1.

    摘要翻译: 高流动性丙烯/乙烯共聚物,其在230℃负载2.16kg时的熔体流动指数为2〜200g / min,可以通过在搅拌固定 在作为链停止调节剂的氢气存在下,使用齐格勒 - 纳塔催化剂体系,其包含含钛固体组分,其在细碎的氧化硅上或在细碎的氧化铝上或在具有经验的细碎的硅酸铝上含有镁化合物 其中a表示0.001和2之间的值,以及铝组分,通过包括以下步骤的方法:a)第一聚合阶段,其中丙烯在20至40巴的压力下聚合, 温度为60℃至90℃,氢气与丙烯的分压比为1:100至10:100,接着是b)第二聚合阶段,其中con 在40至100℃的温度下聚合丙烯和乙烯的混合物,并将其以聚合单元的形式加入到在第一聚合阶段中生产的聚丙烯中, 该第二聚合阶段为10至30巴,比第一聚合阶段中使用的低至少7巴,而氢与丙烯分压的比例调节至2:100至12: 100,第一阶段中转化的单体重量与在第二级转化的单体的重量比保持在1:1至20:1的范围内。

    Propylene graft copolymers
    6.
    发明授权
    Propylene graft copolymers 失效
    丙烯接枝共聚物

    公开(公告)号:US5461113A

    公开(公告)日:1995-10-24

    申请号:US208820

    申请日:1994-03-11

    摘要: Propylene copolymers grafted with .alpha.,.beta.-ethylenically unsaturated carboxylic acid or carboxylic acid derivatives and consisting of a random propylene copolymer (I) with from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes and a random propylene copolymer (II) with from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes, are obtainable by reacting the graft monomer with the propylene copolymer at from 1 to 300 bar, from 0.01 to 1.0% by weight, based on the propylene copolymer, of the graft monomer being mixed with the molten propylene copolymer in the absence of a free radical initiator, and the grafting reaction being carried out at from 200.degree. to 350.degree. C.

    摘要翻译: 由α,β-烯属不饱和羧酸或羧酸衍生物接枝的丙烯共聚物,由无规丙烯共聚物(I)和0.1至15重量%的聚合的C 2 -C 10 - 烷-1-烯和无规丙烯共聚物 (II)与15至80重量%的聚合的C 2 -C 10 - 烷-1-烯可以通过使接枝单体与丙烯共聚物在1至300巴,基于0.01至1.0重量% 在丙烯共聚物上,在不存在自由基引发剂的情况下将接枝单体与熔融丙烯共聚物混合,并且接枝反应在200-350℃下进行。

    Propylene copolymers grafted using free radical initiators
    7.
    发明授权
    Propylene copolymers grafted using free radical initiators 失效
    使用自由基引发剂接枝的丙烯共聚物

    公开(公告)号:US5451639A

    公开(公告)日:1995-09-19

    申请号:US208845

    申请日:1994-03-11

    摘要: Propylene copolymers grafted with .alpha.,.beta.-ethylenically unsaturated carboxylic acids or carboxylic acid derivatives and consisting ofa.sub.1) a random propylene copolymer (A.sub.1) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.2) a propylene copolymer (A.sub.2) comprising a random propylene copolymer (I) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes and a random propylene copolymer (II) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.3) a propylene copolymer (A.sub.3) comprising a propylene homopolymer (III) and a random propylene copolymer (IV) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes,are obtainable by reacting the monomer to be grafted with the propylene copolymer (A.sub.1), (A.sub.2) or (A.sub.3) at from 1 to 300 bar, from 0.01 to 1.0% by weight of the monomer to be grafted, where both stated concentrations are based on the propylene copolymer, being added to the molten propylene copolymer in the presence of from 0.005 to 0.5% by weight of a free radical initiator and the grafting reaction being carried out at from 200.degree. to 350.degree. C.

    摘要翻译: 由α,β-烯键式不饱和羧酸或羧酸衍生物接枝的丙烯共聚物,由a1)无规丙烯共聚物(A1)组成,该无规丙烯共聚物(A1)含有0.1至15重量%的聚合的C2-C10-烷-1-烯或a2 )包含含有0.1至15重量%的聚合的C 2 -C 10 - 烷-1-烯的无规丙烯共聚物(I)和含有15至80重量%的无规丙烯共聚物(II)的丙烯共聚物(A2) 的聚合的C 2 -C 10 - 烷-1-烯或a 3)包含丙烯均聚物(III)和无规丙烯共聚物(IV)的丙烯共聚物(A3),其含有15至80重量%的聚合的C 2 -C 10 - 可以通过将待接枝的单体与丙烯共聚物(A1),(A2)或(A3)以1至300巴反应,0.01至1.0重量%的待接枝的单体 ,其中两个所述的浓度都是基于丙烯共聚物,加入到熔融丙烯共聚物中 为自由基引发剂的0.005〜0.5重量%,接枝反应为200〜350℃。

    Connector housing having secondary locking feature
    8.
    发明授权
    Connector housing having secondary locking feature 失效
    连接器外壳具有辅助锁定功能

    公开(公告)号:US5772478A

    公开(公告)日:1998-06-30

    申请号:US765008

    申请日:1996-12-10

    IPC分类号: H01R13/42 H01R13/436

    CPC分类号: H01R13/42 H01R13/4361

    摘要: An electrical connector housing (2) for housing an electrical terminal within a body (4). The body (4) having a channel (14) wherein the terminal is received and a latch (66) movable between an unlocked position outside of said channel (N) and a locked position blocking at least a portion of said channel (14) so that the terminal is prevented from being dislodged. The electrical connector housing being characterized in that the latch (66) is actuated by a locking member (8) that is rotatable between the locked and unlocked positions upon said housing body (4).

    摘要翻译: PCT No.PCT / IB95 / 00416 Sec。 371日期1996年12月10日第 102(e)日期1996年12月10日PCT提交1995年5月31日PCT公布。 公开号WO96 / 01508 日期1996年1月18日一个电气连接器外壳(2),用于容纳主体内的电气端子(4)。 所述本体(4)具有其中接收所述端子的通道(14),以及可在所述通道(N)外部的解锁位置和在所述通道(14)的至少一部分之间阻塞所述通道的锁定位置之间移动的闩锁) 终端被阻止移动。 电连接器壳体的特征在于,所述闩锁(66)由可在所述壳体(4)上的锁定位置和解锁位置之间旋转的锁定构件(8)致动。