Thermoplastic molding compositions
    82.
    发明授权
    Thermoplastic molding compositions 有权
    热塑性成型组合物

    公开(公告)号:US07186778B2

    公开(公告)日:2007-03-06

    申请号:US09997952

    申请日:2001-11-30

    IPC分类号: C08L51/04

    摘要: Thermoplastic molding compositions containing grafted polymers produced with different initiator systems are disclosed. The compositions are distinguished by a combination of good toughness and reduced opacity. As a result, appreciably smaller quantities of pigment are needed to color the molding composition.

    摘要翻译: 公开了含有用不同引发剂体系生产的接枝聚合物的热塑性模塑组合物。 组合物通过良好的韧性和降低的不透明度的组合来区分。 结果,需要明显较少量的颜料来着色成型组合物。

    ABS moulding material with improved workability and a high lustre
    83.
    发明授权
    ABS moulding material with improved workability and a high lustre 失效
    ABS成型材料具有改善的加工性和高光泽

    公开(公告)号:US07074854B2

    公开(公告)日:2006-07-11

    申请号:US10204137

    申请日:2001-02-12

    IPC分类号: C08L51/04

    摘要: A Polymer compositions that features high degree of toughness, very good processability and extremely high gloss is disclosed. The composition contains (I) a graft rubber polymer obtained by emulsion polymerization of styrene and acrylonitrile in the presence of a mixture of (A) a butadiene polymer latex having a mean particle diameter d50≦250 nm, a particle size distribution width of 20 to 80 nm and a gel content of 30 to 95 wt. %, (B) a butadiene polymer latex with a mean particle diameter d50>250 to 350 nm, a particle size distribution width of 30 to 100 nm and gel content of 30 to 80 wt. %, and (C) a butadiene polymer latex (C) with a mean particle diameter d50>350 nm, a particle size distribution width of 40 to 150 nm, and a gel content of 50 to 95 wt. %. and (II) a rubber-free copolymer of styrene and acrylonitrile. At least one of (A), (B) and (C) is a product of seed polymerization.

    摘要翻译: 公开了具有高韧性,非常好的加工性和极高光泽度的聚合物组合物。 该组合物含有(I)通过苯乙烯和丙烯腈的乳液聚合得到的接枝橡胶聚合物,该混合物是(A)平均粒径d <50%= 250nm的丁二烯聚合物胶乳 ,粒径分布宽度为20〜80nm,凝胶含量为30〜95wt。 %,(B)平均粒径d <50> 250〜350nm,粒径分布宽度为30〜100nm,凝胶含量为30〜80重量%的丁二烯聚合物胶乳。 %,和(C)平均粒径d <50 <350纳米,粒度分布宽度为40〜150nm,凝胶含量为50〜95的丁二烯聚合物胶乳(C) 重量 %。 和(II)苯乙烯和丙烯腈的无橡胶共聚物。 (A),(B)和(C)中的至少一种是种子聚合的产物。

    ABS compositions with improved property combinations
    84.
    发明授权
    ABS compositions with improved property combinations 失效
    具有改进的性能组合的ABS组合物

    公开(公告)号:US06951903B2

    公开(公告)日:2005-10-04

    申请号:US10242992

    申请日:2002-09-13

    摘要: A thermoplastic molding composition that features a combination of extremely good toughness, good processability, adjustable surface gloss, good inherent color and reduced opacity is disclosed. The composition contains A) a graft rubber that is the product of free-radical emulsion polymerization using a peroxodisulfate initiator, B) a graft rubber that is the product of free-radical emulsion polymerization using an azo compound initiator and C) a graft polymer that is the product of solution, bulk or suspension polymerization.

    摘要翻译: 公开了一种热塑性模塑组合物,其具有极好的韧性,良好的加工性,可调节的表面光泽度,良好的固有颜色和降低的不透明度的组合。 该组合物包含A)作为使用过二硫酸酯引发剂的自由基乳液聚合的产物的接枝橡胶,B)作为使用偶氮化合物引发剂的自由基乳液聚合的产物的接枝橡胶,和C)接枝聚合物, 是溶液,本体或悬浮聚合的产物。

    Stabilizing compositions for polymer systems
    85.
    发明申请
    Stabilizing compositions for polymer systems 审中-公开
    聚合物体系的稳定组合物

    公开(公告)号:US20050143518A1

    公开(公告)日:2005-06-30

    申请号:US11064329

    申请日:2005-02-23

    摘要: A stabilizing composition that contains as an antioxidant a compound having in its molecular structure at least one sterically hindered phenol and a water-soluble inorganic salt of a phosphorus acid is disclosed. The composition is suitable for providing stability to a variety of polymeric resins. Also disclosed is a process for the production of thermally stable graft rubber polymers and molding compositions containing such grafts. The molding compositions are characterised by improved odoriferous behavior after processing.

    摘要翻译: 公开了一种稳定化组合物,其包含具有分子结构中至少一种空间位阻酚和磷酸的水溶性无机盐作为抗氧化剂的化合物。 该组合物适用于提供各种聚合物树脂的稳定性。 还公开了用于生产热稳定的接枝橡胶聚合物和含有这种移植物的模塑组合物的方法。 成型组合物的特征在于加工后的气味行为改善。

    Polycarbonate molding materials containing graft rubber
    86.
    发明授权
    Polycarbonate molding materials containing graft rubber 有权
    聚碳酸酯成型材料含有接枝橡胶

    公开(公告)号:US06890979B2

    公开(公告)日:2005-05-10

    申请号:US10220769

    申请日:2001-02-27

    摘要: A thermoplastic molding composition having improved mechanical properties is disclosed. The composition contains (A) aromatic polycarbonate and/or polyester carbonate (B) at least one graft rubber, obtained by emulsion polymerization of styrene and acrylonitrile in the presence of at least two rubber latices of type (B1) and (B2) where (B1) has a particle diameter d50 of ≦350 nm, a particle size distribution range of 30 nm to 100 nm, and a gel content of 70 wt. %, and (B2) has a particle diameter of ≧350 nm, a particle size distribution range of 50 nm to 500 nm, and a gel content of ≧70 wt. %, and the difference in the average particle diameter of B1 and B2 is ≧50 nm, (C) an optional copolymer of styrene and or acrylonitrile and for methyl methacrylate and/or N-substituted maleinimide, and optionally (D) flame retardant as well as optionally conventional additives.

    摘要翻译: 公开了具有改进的机械性能的热塑性模塑组合物。 该组合物含有(A)芳族聚碳酸酯和/或聚酯碳酸酯(B)至少一种接枝橡胶,其通过在至少两种类型(B1)和(B2)的橡胶胶乳的存在下通过苯乙烯和丙烯腈的乳液聚合获得,其中( B1)的粒径分布范围为30nm〜100nm,凝胶含量为70wt。%以下的粒径d <50nm。 %,(B2)的粒径> 350nm,粒度分布范围为50nm〜500nm,凝胶含量≥70wt。 %,B1和B2的平均粒径差为> 50nm,(C)任选的苯乙烯和/或丙烯腈共聚物和甲基丙烯酸甲酯和/或N-取代的马来酰亚胺,和任选的(D)阻燃剂 以及任选的常规添加剂。

    Polymer compositions with an improved constancy of characteristics
    88.
    发明授权
    Polymer compositions with an improved constancy of characteristics 有权
    具有改善的特性恒定性的聚合物组合物

    公开(公告)号:US06767964B2

    公开(公告)日:2004-07-27

    申请号:US10204147

    申请日:2002-08-16

    IPC分类号: C08G6348

    摘要: A thermoplastic molding composition that features constancy of properties, especially toughness and processability is disclosed. The composition contains a first graft rubber polymer that is a product of emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (A) with a mean particle diameter d50 of 80 to 220 nm, a second graft rubber polymer obtained by emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (B) with a mean particle diameter d50 of 340 to 480 nm, and a rubber-free copolymer of styrene and acrylonitrile. Importantly, the butadiene polymer latex (A) is the product of seed polymerization using a seed latex with a mean particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of seed polymerisation using the butadiene polymer latex (A) as seed latex.

    Polymer compositions having improved constancy of properties
    89.
    发明授权
    Polymer compositions having improved constancy of properties 有权
    具有改善的性能恒定性的聚合物组合物

    公开(公告)号:US06767962B2

    公开(公告)日:2004-07-27

    申请号:US10206638

    申请日:2002-07-26

    IPC分类号: C08L5100

    摘要: A thermoplastic molding composition that contains a plurality of graft rubbers is disclosed. A first graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (A) having an average particle diameter (d50) of 80 to 220 nm. An additional graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (B) having an average particle diameter (d50) of 350 to 650 nm. The butadiene polymer latex (A) is the product of seed polymerization in which seed is butadiene polymer latex having a median particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of agglomeration in which butadiene polymer latex (A) is the starting latex.

    摘要翻译: 公开了一种含有多个接枝橡胶的热塑性模塑组合物。 在平均粒径(d50)为80〜220nm的丁二烯聚合物胶乳(A)的存在下,第一接枝橡胶是含有苯乙烯和丙烯腈的混合物的乳液聚合的产物。 在平均粒径(d50)为350〜650nm的丁二烯聚合物胶乳(B)的存在下,另外的接枝橡胶是含有苯乙烯和丙烯腈的混合物的乳液聚合的产物。 丁二烯聚合物胶乳(A)是种子聚合的产物,其中种子是中值粒径为10-100nm的丁二烯聚合物胶乳,丁二烯聚合物胶乳(B)是其中丁二烯聚合物胶乳( A)是起始胶乳。

    ABS compositions having improved combinations of properties
    90.
    发明授权
    ABS compositions having improved combinations of properties 有权
    具有改进的性能组合的ABS组合物

    公开(公告)号:US06727319B2

    公开(公告)日:2004-04-27

    申请号:US10242991

    申请日:2002-09-13

    IPC分类号: C08L3300

    CPC分类号: C08L51/04 C08L2666/24

    摘要: A thermoplastic molding composition having an improved profile of properties is disclosed. The composition contains A) a graft rubber that is a product of free-radical emulsion polymerization of vinyl monomers in the presence of rubber a) that is present in latex form and having a glass transition temperature below 0° C., using at least one peroxydisulfate compound as an initiator, and B) a graft rubber that is a product of free-radical emulsion polymerization of vinyl monomers in the presence of at least one rubber b) that is present in latex form and having a glass transition temperature below 0° C., using at least one redox system as an initiator, and C) at least one graft polymer, that is a product of solution, bulk or suspension polymerization of a grafted phase that contains a member selected from the group consisting of styrene and acrylonitrile in a weight ratio of 90:10 to 50:50 therebetween, in the presence of a rubber, and wherein the weight ratio of introduced graft monomers to introduced rubber is 50:50 to 97:3.

    摘要翻译: 公开了具有改进的特性轮廓的热塑性模塑组合物。 组合物包含A)在橡胶存在下乙烯基单体的自由基乳液聚合的产物的接枝橡胶a),其以胶乳形式存在并且玻璃化转变温度低于0℃,使用至少一种 过氧化二硫酸酯化合物作为引发剂,和B)在至少一种橡胶b)存在下乙烯基单体的自由基乳液聚合的产物的接枝橡胶,b)以胶乳形式存在并且玻璃化转变温度低于0° 使用至少一种氧化还原体系作为引发剂,和C)至少一种接枝聚合物,其是接枝相的溶液,本体或悬浮聚合的产物,其含有选自苯乙烯和丙烯腈的成员 在橡胶存在下,其重量比为90:10至50:50,其中引入的接枝单体与引入的橡胶的重量比为50:50至97:3。