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    • 4. 发明授权
    • Propylene polymers
    • 丙烯聚合物
    • US5773516A
    • 1998-06-30
    • US761341
    • 1996-12-06
    • Stephan HufferMeinolf KerstingFranz LanghauserRainer Alexander WernerStefan SeelertPatrik MullerJurgen Kerth
    • Stephan HufferMeinolf KerstingFranz LanghauserRainer Alexander WernerStefan SeelertPatrik MullerJurgen Kerth
    • C08F4/64C08F210/06C08F297/08C08F10/00
    • C08F297/083C08F210/06
    • Propylene polymers which comprise from 25 to 97% by weight of a propylene polymer (I) containing from 0 to 15% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes and also comprise from 3 to 75% by weight of a further propylene polymer (II) containing from 15 to 80% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes, are obtainable by two-stage polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system which comprises a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also as cocatalysts an aluminum compound b) and a further electron donor compound c), where, in a first polymerization stage, propylene is polymerized in the presence or absence of further C.sub.2 -C.sub.10 -alk-1-enes at from 50.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and a mean residence time of from 0.5 to 5 hours and subsequently, in a second polymerization stage, a mixture of propylene and further C.sub.2 -C.sub.10 -alk-1-enes is polymerized at from 30.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours onto the propylene polymer obtained from the first polymerization stage, and the silica gel used as support for the titanium-containing solid component has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.m, which voids or channels have a macroscopic volume as a proportion of the total particle in the range from 5 to 20%.
    • 丙烯聚合物,其包含25至97重量%的含有0至15重量%的共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物(I),并且还包含3至75重量%的另外 含有15-80%(重量)共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物(II)可以通过在齐格勒(Ziegler)存在下丙烯和C 2 -C 10 - 烷-1-烯的两步聚合来获得 -Natta催化剂体系,其包含含钛固体组分a),其包含镁,卤素,硅胶作为载体的化合物和作为电子给体化合物的羧酸酯,以及作为助催化剂的铝化合物b)和另外的电子给体 化合物c),其中在第一聚合阶段,丙烯在存在或不存在另外的C 2 -C 10 - 烷-1-烯的情况下在50至100℃下聚合,压力为15至40巴 平均停留时间为0.5至5小时,随后在第二聚合阶段中混合 丙烯和其他C 2 -C 10 - 烷-1-烯的反应在30℃至100℃下聚合,压力为15至40巴,平均停留时间为0.5至5小时,得到所得丙烯聚合物 从第一聚合阶段,用作含钛固体成分的载体的硅胶的平均粒径为5〜200μm,一次粒子的平均粒径为1〜10μm,空隙 或平均直径为1至10μm的通道,该空隙或通道的宏观体积占总颗粒的比例在5至20%的范围内。
    • 5. 发明授权
    • Plastic compositions partially crosslinked by unsaturated esters
    • 由不饱和酯部分交联的塑料组合物
    • US5994471A
    • 1999-11-30
    • US959166
    • 1997-10-28
    • Stefan SeelertJoachim RoschKlaus-Dieter RumplerMeinolf KerstingKarl Huber
    • Stefan SeelertJoachim RoschKlaus-Dieter RumplerMeinolf KerstingKarl Huber
    • C08J3/24C08F255/02C08F287/00C08J5/00C08K5/103C08L23/12C08L23/16C08L51/06D01F6/06D01F6/62C08L23/10C08L23/14C08L23/26
    • C08F287/00C08F255/02C08K5/103C08L23/12C08L23/16C08L2312/00
    • Partially crosslinked plastic compositions with a melt flow index at 230.degree. C. and under a load of 2.16 kg, of from 0.1 to 100 g/10 min, and a gel content of less than 12% by weight, is prepared froma) a polymer comprisinga.sub.1) from 60 to 92% by weight of a propylene homopolymer anda.sub.2) from 8 to 40% by weight of a propylene copolymer having C.sub.2 -C.sub.10 -alk-1-enes incorporated into its polymer chain and with a comonomer content, based on a.sub.2) of from 15 to 70% by weight, andb) a compound of the formula (I) ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl,X is substituted or unsubstituted C.sub.1 -C.sub.30 -alkyl or substituted or unsubstituted C.sub.7 -C.sub.30 -arylalkyl, where each of the alkyl groups may be interrupted byone or more oxygen atoms in ether moieties (--O--) or oxycarbonyl moieties (--O--CO--) and/or bynitrogen groups of the formula NR.sup.2, where R.sup.2 is hydrogen, C.sub. -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -hydroxyalkyl,andn is the number 2 or 3,obtainable by reacting the polymer a) with the compound b) at from 180 to 280.degree. C., under a pressure of from 1 to 100 bar, and with mean residence times of the reaction mixture of from 0.2 to 10 minutes.
    • 熔体流动指数在230℃,负荷2.16kg,0.1-100g / 10min,凝胶含量小于12wt%的部分交联塑料组合物由a)a 聚合物,其包含a1)60至92重量%的丙烯均聚物,和a2)8至40重量%的具有C2-C10-烷-1-烯的丙烯共聚物,其加入到其聚合物链中并具有共聚单体含量, 基于a2)为15〜70重量%,和b)式(I)的化合物,其中R 1为氢或C 1 -C 4 - 烷基,X为取代或未取代的C 1 -C 30 - 烷基或取代或未取代的C 7 -C 30 - 芳烷基,其中每个烷基可以被醚部分(-O-)或氧羰基部分(-O-CO-)中的一个或多个氧原子和/或由式NR 2的氮基团间隔,其中 R2是氢,C-C6烷基或C1-C6-羟基烷基,n是2或3,可以通过使聚合物a)与化合物b)在180-280℃下反应,得到 压力为1至100巴,反应混合物的平均停留时间为0.2至10分钟。
    • 6. 发明授权
    • Halogen-free flameproofed thermoplastic molding materials based on
polyphenylene ethers and polystyrene
    • 基于聚苯醚和聚苯乙烯的无卤阻燃热塑性成型材料
    • US5444123A
    • 1995-08-22
    • US203512
    • 1994-02-28
    • Doris ZeltnerNorbert NiessnerFriedrich SeitzRanier NeumannStefan Seelert
    • Doris ZeltnerNorbert NiessnerFriedrich SeitzRanier NeumannStefan Seelert
    • C08K5/523C08L25/02C08L43/02C08L51/04C08L71/12C08F30/02C08F230/02
    • C08L25/02C08K5/523C08L71/123C08L43/02C08L51/04C08L71/12
    • Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene containing, as essential components,A) from 5 to 92% by weight of one or more polyphenylene ethers,B) from 5 to 92% by weight of a vinylaromatic polymer andC) from 3 to 25% by weight of a flameproofing agent based onC1) from 20 to 100% by weight (based on the total amount of C) of a polymeric phosphorus compound which is obtained by polymerizing or copolymerizing one or more compounds of the following structure: ##STR1## where ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and R.sup.11 are each hydrogen, alkyl, cycloalkyl, aralkyl or aryl,R.sup.7, R.sup.8 and R.sup.9 are each alkylidene, cycloalkylidene, aralkylidene or arylidene,m, p, q, r, s, t, u and v are each 0 or 1,n is 0, 1 or 2,U is COO, O, S or NR.sup.9,V, W, X and Y are each O, S or NR.sup.9 andZ is O, S or NR.sup.10 R.sup.11, andC2) from 0 to 80% by weight (based on the total amount of C) of a low molecular weight phosphorus compound selected from the group consisting of the phosphine oxides, phosphates, phosphinic acids and salts and esters thereof, phosphonic acids and salts and esters thereof and red phosphorus.
    • 基于聚苯醚和聚苯乙烯的无卤阻燃热塑性成型材料,作为必要成分A)5〜92重量%的一种或多种聚苯醚,B)5〜92重量%的乙烯基芳族聚合物和C )3至25重量%的基于C1)的阻燃剂,其为通过聚合或共聚一种或多种化合物而获得的聚合磷化合物的20至100重量%(基于C的总量) 其中,R1,R2,R3,R4,R5,R10和R11各自为氢,烷基,环烷基,芳烷基或芳基,R7,R8和R9分别为亚烷基,亚环烷基,亚烷基或亚芳基, m,p,q,r,s,t,u和v各自为0或1,n为0,1或2,U为COO,O,S或NR9,V,W,X和Y各自为O, S或NR 9,Z为O,S或NR 10 R 11和C 2)0至80重量%(基于C的总量)选自组中的低分子量磷化合物 磷化氢,磷酸盐,次膦酸及其盐和酯,膦酸及其盐和酯以及红磷。