Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III)
    31.
    发明授权
    Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) 有权
    基于内酰胺(I),二胺(II)和二羧酸(III)的共聚酰胺的连续生产方法,

    公开(公告)号:US06703475B1

    公开(公告)日:2004-03-09

    申请号:US10130044

    申请日:2002-05-13

    IPC分类号: C08G6904

    摘要: A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprises reacting a mixture (IV) comprising a diamine (II), a dicarboxylic acid (III) and water in a first reaction zone at a pressure in the range from 1.3*105 to 2.5*105 Pa in the entry zone of the reaction zone and at a temperature above the melting point of polymer (V) to a conversion, based on the molar amounts of diamine (II) and dicarboxylic acid (III), of at least 80% to form a polymer (V), reacting a mixture (VI) comprising lactam (I) and water in a second reaction zone at a pressure in the range from 5*105 to 40*105 Pa and at a temperature above the melting point of polymer (VII) to a conversion, based on the molar amount of lactam (I), of at least 80% to form a polymer (VII), then reacting polymer (V) and polymer (VII) with each other in a third reaction zone at a pressure in the range from 1*105 to 1.5*105 Pa in the entry zone of the reaction zone at temperatures above the melting point of polymer (VIII) to form a polymer (VIII), said polymer (VIII) having a 95° C. water extractables content, based on lactam (I), diamine (II) and dicarboxylic acid (III), of not more than 10% by weight, and then extracting the polymer (VIII) with water to obtain the copolyamide.

    摘要翻译: 基于内酰胺(I),二胺(II)和二羧酸(III)连续生产共聚酰胺的方法包括将包含二胺(II),二羧酸(III)和水的混合物(IV) 第一反应区,在反应区的进入区中在1.3×10 5至2.5×10 5 Pa范围内的压力下,在高于聚合物(V)熔点的温度下,以基于 使二胺(II)和二羧酸(III)的摩尔量为至少80%,以形成聚合物(V),使第二反应区中含有内酰胺(I)和水的混合物(VI)在压力 在5×10 5至40×10 5 Pa的范围内,并且在高于聚合物(VII)的熔点的温度下,基于内酰胺(I)的摩尔量,至少80 %以形成聚合物(VII),然后在第三反应区中将聚合物(V)和聚合物(VII)彼此反应,在1×10 5至1.5×10 5 Pa的压力范围内 反应区的进入区 e在高于聚合物(VIII)熔点的温度下形成聚合物(VIII),基于内酰胺(I),二胺(II)和二羧酸(II),所述聚合物(VIII)具有95℃的可水提取物含量 III),不大于10重量%,然后用水萃取聚合物(VIII),得到共聚酰胺。

    Polyamide/polyolefin blends
    33.
    发明授权
    Polyamide/polyolefin blends 失效
    聚酰胺/聚烯烃共混物

    公开(公告)号:US5883186A

    公开(公告)日:1999-03-16

    申请号:US880540

    申请日:1997-06-23

    摘要: Thermoplastic molding materials containA) from 4 to 95% by weight of a semicrystalline, partly aromatic copolyamide composed ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,a.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of components a.sub.1) to a.sub.4) together giving 100%, andB) from 4 to 95% by weight of a polyolefin homo- or copolymer or a mixture thereof,C) from 1 to 20% by weight of a compatibilizer,D) from 0 to 20% by weight of an elastomeric polymer,E) from 0 to 50% by weight of a fibrous or particulate filler andF) from 0 to 30% by weight of conventional additives and processing assistants,the percentages by weight of components A to F together giving 100%.

    摘要翻译: 热塑性成型材料包含A)4至95重量%的半结晶部分芳族共聚酰胺,其由a1-30-44摩尔%的衍生自对苯二甲酸的单元组成,a2)6至20摩尔%的单元, 衍生自间苯二甲酸,a3)43至49.5摩尔%的衍生自六亚甲基二胺的单元和a4)0.5至7摩尔%的衍生自6至30个碳原子的脂族环状二胺的单元,摩尔百分数 组分a1)至a4)一起提供100%,和B)4至95重量%的聚烯烃均聚物或共聚物或其混合物,C)1至20重量%的增容剂,D)0 至20重量%的弹性体聚合物,E)0至50重量%的纤维或颗粒填料和F)0至30重量%的常规添加剂和加工助剂,组分A至 F一起给100%。

    Thermoplastic molding materials based on partly aromatic poly-amides and
polyetherimides
    34.
    发明授权
    Thermoplastic molding materials based on partly aromatic poly-amides and polyetherimides 失效
    基于部分芳族聚酰胺和聚醚酰亚胺的热塑性成型材料

    公开(公告)号:US5780576A

    公开(公告)日:1998-07-14

    申请号:US631096

    申请日:1996-04-12

    摘要: Thermoplastic molding materials contain A) from 1 to 99% by weight of a partly aromatic copolyamide composed of a.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid, a.sub.2) from 6 to 25 mol % of units which are derived from isophthalic acid, a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine and a.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms, the molar percentages of components a.sub.1) to a.sub.4) together giving 100%, B) from 1 to 99% by weight of a polyetherimide, C) from 0 to 30% by weight of a polymeric component having OH groups, D) from 0 to 60% by weight of fibrous or particulate fillers or mixtures thereof, E) from 0 to 40% by weight of rubber impact modifiers and F) from 0 to 40% by weight of conventional additives and processing assistants.

    摘要翻译: 热塑性成型材料包含A)1至99重量%的部分芳族共聚酰胺,其由a1- 30-44摩尔%的衍生自对苯二甲酸的单元组成,a2)6至25摩尔%衍生的单元 来自间苯二甲酸,a3)43〜49.5摩尔%的衍生自六亚甲基二胺的单元和a4)0.5〜7摩尔%的衍生自6〜30个碳原子的脂肪族环状二胺的单元,成分a1 )与a4)一起提供100%的B)1至99重量%的聚醚酰亚胺,C)0至30重量%的具有OH基团的聚合物组分,D)0至60重量%的纤维 或颗粒填料或其混合物,E)0至40重量%的橡胶抗冲改性剂和F)0至40重量%的常规添加剂和加工助剂。

    Partly aromatic copolyamide molding materials having high crystallinity
    35.
    发明授权
    Partly aromatic copolyamide molding materials having high crystallinity 失效
    具有高结晶度的部分芳香族共聚酰胺成型材料

    公开(公告)号:US5688901A

    公开(公告)日:1997-11-18

    申请号:US386801

    申请日:1995-02-06

    CPC分类号: C08G69/265

    摘要: Partly aromatic semicrystalline thermoplastic polyamide molding compositions contain A) from 40 to 100% by weight of a copolyamide composed of a.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid, a.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid, a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine and a.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms, the molar percentages of components a.sub.1) to a.sub.4) together giving 100%, and B) from 0 to 50% by weight of a fibrous or particulate filler, C) from 0 to 30% by weight of an elastomeric polymer and D) from 0 to 30% by weight of conventional additives and processing assistants, the percentages by weight of components A) to D) together giving 100%.

    摘要翻译: 部分芳族半结晶热塑性聚酰胺成型组合物含有A)40〜100重量%的共聚酰胺,其由a1- 30〜44摩尔%的衍生自对苯二甲酸的单元组成,a2)6〜20摩尔%的单元, 衍生自间苯二甲酸,a3)43至49.5摩尔%的衍生自六亚甲基二胺的单元和a4)0.5至7摩尔%的衍生自6至30个碳原子的脂族环状二胺的单元,摩尔百分数 组分a1)至a4)一起提供100%,和B)0至50重量%的纤维或颗粒填料,C)0至30重量%的弹性体聚合物,D)0至30重量% 常规添加剂和加工助剂的重量,组分A)至D)的重量百分比一起提供100%。

    Continuous production of linear thermoplastic polyesters
    37.
    发明授权
    Continuous production of linear thermoplastic polyesters 失效
    连续生产线型热塑性聚酯

    公开(公告)号:US4973655A

    公开(公告)日:1990-11-27

    申请号:US365125

    申请日:1989-06-12

    IPC分类号: C08G63/66 C08G63/78 C08G63/80

    CPC分类号: C08G63/78

    摘要: A process for the continuous production of linear thermoplastic polyesters comprises the following steps:(a) passing a transesterification or esterification product of an aliphatic or aromatic dicarboxylic acid having a molecular weight of

    摘要翻译: 用于连续生产线型热塑性聚酯的方法包括以下步骤:(a)将分子量<300的脂族或芳族二羧酸或其成酯衍生物的酯交换或酯化产物与脂族或脂环族 分子量<250的二醇,其可另外含有分子量为400〜4000的聚(环氧烷)二醇,在250〜360℃下,在0.5〜20mmHg的压力下,在 通过具有自由表面积为0.3至1.5m 2 / l的内部配件的基本上直立的管状预缩合区,停留时间为3至10分钟以形成预缩合物和分子量<250的蒸气二醇,(b) 分离成预缩合和蒸发的二醇,和(c)在240〜290℃下,在0.5〜20mmH的压力下进一步冷凝底部的预缩合物 g在停留时间为10至40分钟,并充满浓缩的颗粒聚酯。

    Method for producing polyamides
    38.
    发明授权
    Method for producing polyamides 失效
    生产聚酰胺的方法

    公开(公告)号:US06353085B1

    公开(公告)日:2002-03-05

    申请号:US09622321

    申请日:2000-08-16

    IPC分类号: C08G6914

    CPC分类号: C08G69/20 C08G69/18

    摘要: In a process for producing polyamides by polymerization of lactams in the presence of metal oxides as heterogeneous catalysts, the metal oxides are used in a form which permits mechanical removal from the reaction mixture and are removed from the reaction mixture in the course of or on completion of the polymerization.

    摘要翻译: 在作为非均相催化剂的金属氧化物存在下通过内酰胺聚合制备聚酰胺的方法中,金属氧化物以允许从反应混合物中机械除去并在完成过程中从反应混合物中除去的形式使用金属氧化物 的聚合。

    Continuous polyamide extraction process
    39.
    发明授权
    Continuous polyamide extraction process 失效
    连续聚酰胺萃取工艺

    公开(公告)号:US06326457B1

    公开(公告)日:2001-12-04

    申请号:US09554214

    申请日:2000-05-11

    IPC分类号: C08G6908

    摘要: A process for continuous extraction of polyamide particles using a recirculating extractant in a vertical extraction column that is divided into two zones comprises treating the polyamide with an aqueous extractant comprising from 40 to 95% by weight of &egr;-caprolactam in a first zone at from 100 to 140° C., and then effecting an aftertreatment with water in a second zone. The caprolactam can then be extracted in a conventional manner. The process provides for economical production of polyamide having a low dimer content.

    摘要翻译: 使用分为两个区域的垂直萃取柱中的再循环萃取剂连续萃取聚酰胺颗粒的方法包括用含有40至95重量%ε-己内酰胺的含水萃取剂在第一区域中以100重量% 至140℃,然后在第二区域用水进行后处理。 然后可以以常规方式提取己内酰胺。 该方法提供了经济地生产具有低二聚体含量的聚酰胺。