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    • 103. 发明申请
    • TRANSPARENT POLYESTER ARTICLES
    • 透明聚酯制品
    • US20150344669A1
    • 2015-12-03
    • US14652564
    • 2013-12-13
    • DSM IP ASSETS B.V.
    • Ronald MichaëL Alexander Maria SCHELLEKENSLuc Elza Florent LEEMANS
    • C08K5/22C08K5/11C08K5/101
    • C08K5/22C08G63/183C08G63/84C08G63/863C08K5/0041C08K5/101C08K5/103C08K5/11C08L67/02
    • The invention relates to a method for injection moulding an article having a thickness of between 1 to 3 mm and having a b value in the CIE colour system of between −1 and +0.1 and a haze value of less than 2%, as measured at 2 mm thickness, comprising the following steps: a) Providing a composition comprising: i) a polyester produced by copolymerizing, in the presence of an aluminum or germanium compound, at least three monomers chosen from at least one alkylenediol and at least one dicarboxylic acid component, ii) from 1 to 5 ppm of at least one dye and iii) from 0.1 to 0.5 m % of a fatty acid ester mould release agent, b) Injecting the composition in a mould at a temperature of below 60° C. until the mould is filled; c) Ejecting the article. The invention further relates to a composition comprising, A) a polyester produced by copolymerizing 1,2-ethanediol and two dicarboxylic acid components in the presence of a germanium compound, the dicarboxylic acid components comprising a terephthalic acid component and 4-20 mol % of an isophthalic acid component, the mol % being relative to the total amount of the dicarboxylic acid component, characterised that the composition further comprises, B) from 0.2 to 1.5 ppm of at least one dye, C) from 0.1 to 0.5 m % of stearylstearateor glyceroltristearate and to an article having a wall thickness of between 1 and 3 mm comprising this composition.
    • 本发明涉及一种注射成型厚度为1〜3mm的制品的方法,在CIE色系中的ab值在-1和+ 0.1之间,雾度值小于2% 包括以下步骤:a)提供组合物,其包含:i)通过在铝或锗化合物的存在下共聚至少三种选自至少一种亚烷基二醇和至少一种二羧酸组分的单体制备的聚酯 ,ii)1至5ppm的至少一种染料和iii)0.1至0.5m%的脂肪酸​​酯脱模剂,b)在低于60℃的温度下将组合物注入模具中,直至 模具充满; c)弹出文章。 本发明还涉及一种组合物,其包含:A)通过在锗化合物的存在下将1,2-乙二醇和两种二羧酸组分共聚制备的聚酯,所述二羧酸组分包含对苯二甲酸组分和4-20摩尔% 间苯二甲酸成分,摩尔%相对于二羧酸成分的总量,其特征在于,所述组合物还包含B)0.2〜1.5ppm的至少一种染料,C)0.1〜0.5m%的硬脂基硬脂酸酯 甘油三硬脂酸酯和包含该组合物的壁厚在1至3mm之间的制品。
    • 104. 发明申请
    • POLYESTER COMPOSITIONS
    • 聚酯组合物
    • US20150314495A1
    • 2015-11-05
    • US14702830
    • 2015-05-04
    • LANXESS Deutschland GmbH
    • Timo IMMELJochen ENDTNERMatthias BIENMUELLER
    • B29C45/00C08K3/22B29C47/00C08K7/14C08K3/34C08K5/101C08K5/5393C08K3/38
    • Polyester-based compositions with increased glow-wire resistance include at least one filler for improving thermal conductivity, preferably aluminum oxide, boron nitride or aluminium silicate, particularly preferably aluminium silicate, with particular preference aluminium silicate with triclinic-pinacoidal crystal structure. Methods for production of the polymer-based compositions and to products to be produced therefrom are also provided. The products may include products for the electrical and electronics market, preferably devices for domestic use. Also disclosed is the use of aluminium oxide, boron nitride or aluminium silicate, particularly preferably of aluminium silicate, with particular preference of aluminium silicate with triclinic-pinacoidal crystal structure, for improving the glow-wire resistance of products for the electrical and electronics market, preferably of devices for domestic use.
    • 具有增加的灼热丝电阻的聚酯基组合物包括至少一种用于改善导热性的填料,优选氧化铝,氮化硼或硅酸铝,特别优选硅酸铝,特别优选的具有三斜晶体 - 晶体结晶结构的硅酸铝。 还提供了生产基于聚合物的组合物和由其制备的产品的方法。 该产品可能包括用于电气和电子市场的产品,优选家用设备。 还公开了使用氧化铝,氮化硼或硅酸铝,特别优选硅酸铝,特别优选具有三斜晶体 - 晶体结构的硅酸铝,用于改善用于电气和电子市场的产品的灼热丝电阻, 最好是家用设备。
    • 109. 发明授权
    • Method for improving flowability of random polypropylene powder
    • 改善无规聚丙烯粉末流动性的方法
    • US08975333B2
    • 2015-03-10
    • US12998707
    • 2009-11-18
    • Pauli LeskinenOlli TuominenVeli-Matti Keinänen
    • Pauli LeskinenOlli TuominenVeli-Matti Keinänen
    • C08L23/10C08L23/18C08L23/16C08K5/13C08K5/101C08K3/36C08K3/22C08K3/34C08K3/26C08F210/06
    • C08F210/06C08F2/001C08F210/16C08F2500/17C08F2500/24
    • Method for the preparation of a sticky random propylene copolymer (R-PP) in a reactor facility comprising in series (i) a first reaction system, (ii) a first conveying line connecting the first reactor system with a second reactor system comprising an outlet, (iii) a second conveying line connecting the outlet with a purge bin comprising a feeder, and (iv) a conveying system being connected with the feeder, and the preparation of said random propylene copolymer (R-PP) comprises the steps in the order of (a) producing in said first reactor system a propylene homopolymer (H-PP) or a random propylene copolymer (R-PP1), (b) transferring at least a part of said polypropylene to said second reactor system via the first conveying line, (c) producing in said second reactor system a random propylene copolymer (R-PP2) obtaining the random propylene copolymer (R-PP), (d) discharging said random propylene copolymer (R-PP) from said second reactor system via the outlet, (e) transferring said discharged random propylene copolymer (R-PP) via the second conveying line to said purge bin comprising said feeder, and (f) transferring further said discharged random propylene copolymer (R-PP) from said purge bin via said feeder to said conveying system, the produced random propylene copolymer (R-PP) is provided with an additive, said additive is fed to the produced random propylene copolymer (R-PP) (α) at the outlet of the second reactor system, or (β) at the feeder (F) of the purge bin (PB).
    • 在反应器设备中制备粘性无规丙烯共聚物(R-PP)的方法,包括串联(i)第一反应体系,(ii)将第一反应器系统与第二反应器系统连接的第一输送管线,第二反应器系统包括出口 ,(iii)将出口与包括进料器的吹扫箱相连接的第二输送管线,和(iv)与进料器连接的输送系统,并且所述无规丙烯共聚物(R-PP)的制备包括以下步骤: (a)在所述第一反应器系统中生产丙烯均聚物(H-PP)或无规丙烯共聚物(R-PP1),(b)将至少一部分所述聚丙烯经由第一输送 (c)在所述第二反应器系统中生产获得无规丙烯共聚物(R-PP)的无规丙烯共聚物(R-PP2),(d)从所述第二反应器系统经由所述第二反应器系统排出所述无规丙烯共聚物(R-PP) 出口,(e)转移所述排出物 通过第二输送管线将无规丙烯共聚物(R-PP)经由第二输送管线输送到包括所述进料器的净化箱,和(f)将所述排出的无规丙烯共聚物(R-PP)从所述净化箱经由所述进料器进一步转移到所述输送系统, 所制备的无规丙烯共聚物(R-PP)具有添加剂,所述添加剂在第二反应器系统的出口被供给到所生产的无规丙烯共聚物(R-PP)(α)中,或(b-bgr) 净化箱(PB)的进料器(F)。