公开(公告)号：US5519090A

公开(公告)日：1996-05-21

申请号：US334452

申请日：1994-11-04

申请人： Harald Schwager ,  Klaus-Dieter Hungenberg

发明人： Harald Schwager ,  Klaus-Dieter Hungenberg

IPC分类号： C08L23/00 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16

CPC分类号： C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L2205/02

摘要： Propylene polymer blends containinga) a propylene homopolymer having a melt flow index of from 0.001 to 5 g/10 min, as determined at 230.degree. C. under a load of 2.16 kg,b) a propylene/ethylene copolymer having an ethylene content of from 5 to 80% w/w, andc) a propylene homopolymer having a melt flow index of from 1 to 10.sup.4 g/10 min, as determined at 230.degree. C. under a load of 2.16 kg,the ratio of the melt flow index of the propylene homopolymer c) to that of the propylene homopolymer a) being within the range 10:1 to 10.sup.7 :1.The blends of the invention are high-flow materials showing a broad molecular weight distribution, and are thus readily processible.

摘要翻译： 丙烯聚合物共混物，其含有a）丙烯均聚物，其熔体流动指数为0.001至5g / 10min，在230℃，2.16kg负荷下测定，b）丙烯/乙烯共聚物，其乙烯含量为 5至80％w / w，和c）在230℃，2.16kg负荷下测定的熔体流动指数为1至104g / 10min的丙烯均聚物，熔体流动比 丙烯均聚物c）与丙烯均聚物的指数a）在10:1至107:1的范围内。 本发明的共混物是显示宽分子量分布的高流动性材料，因此易于加工。

公开(公告)号：US5371144A

公开(公告)日：1994-12-06

申请号：US025861

申请日：1993-03-03

申请人： Sibylle Brosius ,  Harald Schwager ,  Susanne Hahn ,  Bernd L. Marczinke

发明人： Sibylle Brosius ,  Harald Schwager ,  Susanne Hahn ,  Bernd L. Marczinke

IPC分类号： C08F8/42 ,  C08F255/00 ,  C08F8/00

CPC分类号： C08F8/42 ,  C08F255/00

摘要： Partially crosslinked plastics materials having a melt flow index of from 0.1 to 100 g/10 min at 230.degree. C. and under a weight of 2.16 kg, containinga) a polymer of from 25 to 97% by weight of a propylene copolymer (I) which contains from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes and of from 3 to 75% by weight of a further propylene copolymer (II) which contains from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes andb) an organosilane compound of the following formula (I)A.sub.4-n SiR.sub.n (I)where the radicals A are identical or different and are each an acrylate or methacrylate or vinyl, the radicals R are identical or different and are each C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -acetoxy and n is 1, 2 or 3,are obtainable by reacting the polymer a) with the organosilane compound b) in the presence of a free radical initiator and a condensation catalyst at from 180 to 280.degree. C. and from 1 to 100 bar and in the course of average residence times of the reaction mixture of from 0.2 to 10 minutes.The novel plastics materials have in particular improved processibility and thermoformability, a lower sealing temperature and better white fracture behavior.

摘要翻译： 在230℃和2.16kg重量下熔体流动指数为0.1-100g / 10min的部分交联塑料材料，其包含a）25至97重量％的丙烯共聚物（I ），其含有0.1至15重量％的聚合的C 2 -C 10 - 烷-1-烯和3至75重量％的另外的丙烯共聚物（II），其含有15至80重量％的聚合的C 2 -C 10 - 烷-1-烯和b）下式（I）的有机硅烷化合物，其中基团A相同或不同，各自为丙烯酸酯或甲基丙烯酸酯或乙烯基，其中基团R是相同的 或不同的，并且各自为C 1 -C 8 - 烷氧基或C 1 -C 8 - 乙酰氧基且n为1,2或3，可通过使聚合物a）与有机硅烷化合物b）在自由基引发剂和缩合物 催化剂为180-280℃和1-100巴，反应混合物的平均停留时间为0.2-10分钟 ute。 新颖的塑料材料具有特别改进的加工性和热成型性，较低的密封温度和更好的白色断裂性能。

公开(公告)号：US5166113A

公开(公告)日：1992-11-24

申请号：US759980

申请日：1991-09-17

申请人： Harald Schwager ,  Peter Koelle ,  Juergen Kerth ,  Ralf Zolk

发明人： Harald Schwager ,  Peter Koelle ,  Juergen Kerth ,  Ralf Zolk

IPC分类号： C08F10/00

CPC分类号： C08F10/00

摘要： Ziegler-Natta-type catalyst systems containing, as active constituents,a) a titanium-containing solid component which also contains magnesium, halogen and a carboxylic acid ester, and, as cocatalyst,b) an aluminum compound,wherein the carboxylic acid ester in the solid component is a diester of a carboxylic acid of the formula Ia or Ib ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are hydrogen, C.sub.1 - to C.sub.15 -alkyl, C.sub.7 - to C.sub.15 -alkylaryl, or 5- to 7-membered cycloalkyl, which may itself carry C.sub.1 - to C.sub.10 -alkyl groups, are particularly suitable for the preparation of polypropylene and copolymers of propylene containing minor amounts of other .alpha.,.beta.-unsaturated olefinic compounds having from 2 to 12 carbon atoms.

摘要翻译： 含有作为活性成分的齐格勒 - 纳塔型催化剂体系a）含镁，卤素和羧酸酯的含钛固体组分，和作为助催化剂的b）铝化合物，其中羧酸酯在 固体组分是式Ia或Ib的羧酸的二酯（Ia）其中R 1，R 2，R 3和R 4相同或不同，为氢，C 1至C 15 - 烷基 可以自身携带C1-至C10烷基的C 7 -C 15烷基芳基或5-至7-元环烷基特别适用于制备聚丙烯和含有少量其它α，β- 具有2至12个碳原子的不饱和烯烃化合物。

公开(公告)号：US5147928A

公开(公告)日：1992-09-15

申请号：US660252

申请日：1991-02-25

申请人： Juergen Kerth ,  Harald Schwager ,  Ralf Zolk

发明人： Juergen Kerth ,  Harald Schwager ,  Ralf Zolk

IPC分类号： C08F2/34 ,  C08F10/00 ,  C08F210/06 ,  C08F297/08

CPC分类号： C08F297/083

摘要： Propylene-ethylene copolymers are prepared in an agitated bed of solids by first polymerizing propylene from the gas phase in a first polymerization zone at 20-40 bar and 60.degree.-90.degree. C. by addition of a Ziegler-Natta catalyst system, and copolymerizing in a second polymerization zone at 7-35 bar and 40.degree.-70.degree. C. the finely divided polymer from the first polymerization zone with a mixture of olefins a process which comprises copolymerizing in the second polymerization zone with a mixture of propylene, ethylene and a further .alpha.-olefin of from 4 to 10 carbon atoms, setting the ratio of the partial pressures between propylene and ethylene within the range from 100:20 to 100:120 and that of the partial pressures between propylene and the further .alpha.-olefin within the range from 100:1 to 100:20, setting the pressure in the second polymerization zone at at least 5 bar below the pressure in the first polymerization zone, and determining the weight ratio between the monomers reacted in the first polymerization zone and those reacted in the second polymerization zone in such a way that said weight ratio is within the range from 100:10 to 100:50.

摘要翻译： 丙烯 - 乙烯共聚物在搅拌的固体床中通过首先在20-40巴和60-90℃的第一聚合区中通过加入齐格勒 - 纳塔催化剂体系在气相中聚合丙烯来制备，并共聚合 在7-35巴和40-70℃的第二聚合区中，来自第一聚合区的细分聚合物与烯烃混合物的方法，该方法包括在第二聚合区中与丙烯，乙烯和 另外的4-10个碳原子的α-烯烃使丙烯和乙烯之间的分压比在100:20至100:120的范围内，丙烯与其它α-烯烃之间的分压比 范围为100:1至100:20，将第二聚合区中的压力设定在第一聚合区内的压力以下至少5巴，并测定单体之间的重量比 在第一聚合区和第二聚合区中反应的那些，使得所述重量比在100:10至100:50的范围内。