Transparent styrol-butadiene block copolymer mixtures
    32.
    发明申请
    Transparent styrol-butadiene block copolymer mixtures 失效
    透明苯乙烯 - 丁二烯嵌段共聚物混合物

    公开(公告)号:US20050009990A1

    公开(公告)日:2005-01-13

    申请号:US10496080

    申请日:2002-11-19

    摘要: Mixtures comprising linear block copolymers made from vinylaromatic monomers and from dienes of the structure (I) S1—B1—S2 and (II) S3—B2—S4, where S1 is a block made from vinylaromatic monomers with number-average molar mass Mn in the range from 40,000 to 100,000 g/mol, each of S2, S3 and S4 is a block made from vinylaromatic monomers with number-average molar mass Mn in the range from 5,000 to 20,000 g/mol, each of B1 and B2 is a block made from dienes or a copolymer block made from dienes and from vinylaromatic monomers with number-average molar mass Mn in the range from 15,000 to 40,000 g/mol, and the ratio of the block copolymers (I)/(II) is in the range from 0.6 to 2.

    摘要翻译: 包括由乙烯基芳族单体和结构(I)S1-B1-S2和(II)S3-B2-S4的二烯制备的线性嵌段共聚物的混合物,其中S1是由具有数均摩尔质量Mn的乙烯基芳族单体制成的嵌段 40,000至100,000g / mol的范围,S2,S3和S4中的每一个是由数均摩尔质量Mn在5,000至20,000g / mol范围内的乙烯基芳族单体制成的嵌段,B1和B2各自为嵌段 由二烯制得的共聚物嵌段和数均摩尔质量Mn为15,000至40,000g / mol的乙烯基芳族单体,并且嵌段共聚物(I)/(II)的比例在 从0.6到2。

    Process for preparing polyamides
    33.
    发明授权
    Process for preparing polyamides 有权
    制备聚酰胺的方法

    公开(公告)号:US09315626B2

    公开(公告)日:2016-04-19

    申请号:US13514364

    申请日:2010-12-03

    IPC分类号: C08G69/24 C08G69/26 C08G69/28

    CPC分类号: C08G69/265 C08G69/28

    摘要: The present invention relates to a process for preparing a polyamide based on dicarboxylic acids and diamines, comprising the following stages: A) providing an aqueous monomer mixture composed of dicarboxylic acids and diamines, where the molar ratio of dicarboxylic acids to diamines is adjusted such that, at the outlet of stage C), there is a molar deficiency of dicarboxylic acids or diamines of 1 to 10 mol %, based on the respective other component, B) transferring the aqueous mixture from stage A) into a continuous evaporator reactor in which diamines and dicarboxylic acids are converted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, C) transferring the mixture from stage B) into a separator which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar with removal of gaseous components, D) transferring the mixture from stage C) together with diamine or dicarboxylic acid in an amount suitable for compensation for the molar deficiency into a tubular reactor which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, for a residence time in the range from 10 seconds to 30 minutes, E) transferring the mixture from stage D) into an extruder which is operated at a temperature in the range from 150 to 400° C. for a residence time in the range from 10 seconds to 30 minutes with removal of gaseous components through venting orifices.

    摘要翻译: 本发明涉及一种制备基于二羧酸和二胺的聚酰胺的方法,其包括以下步骤:A)提供由二羧酸和二胺组成的含水单体混合物,其中二羧酸与二胺的摩尔比被调整为使得 ,在阶段C)的出口处,基于各自的其它组分,存在摩尔不足的二羧酸或二胺的1至10摩尔%,B)将水性混合物从阶段A)转移到连续的蒸发器反应器中,其中 二胺和二羧酸在100至370℃的温度和1至50巴的压力范围内转化,C)将混合物从阶段B)转移到分离器中,该分离器在 范围为100至370℃,压力范围为1至50巴,除去气态组分,D)将混合物从阶段C)与二胺或二羧酸一起转移 t适用于将摩尔不足补偿为在100至370℃的温度和1至50巴的压力范围内操作的管式反应器中,停留时间为10秒 至30分钟,E)将混合物从阶段D)转移到挤出机中,该挤出机在150-400℃的温度下操作,停留时间为10秒至30分钟,同时除去气体组分 通过通风口。

    Method for producing polyamides
    35.
    发明授权
    Method for producing polyamides 有权
    生产聚酰胺的方法

    公开(公告)号:US08759476B2

    公开(公告)日:2014-06-24

    申请号:US12665564

    申请日:2008-06-12

    IPC分类号: C08G69/26

    摘要: The process for preparing a polyamide based on dicarboxylic acids and diamines has the following stages: 1) providing an aqueous monomer mixture of dicarboxylic acids and diamines, the molar ratio of dicarboxylic acids to diamines being adjusted such that a molar deficiency of dicarboxylic acids or diamines of from 1 to 10 mol % is present at the outlet of stage 3), based on the other component in each case, 2) transferring the aqueous mixture from stage 1) to a continuous evaporator reactor in which diamines and dicarboxylic acids are reacted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, 3) transferring the mixture from stage 2) to a separator which is operated at a temperature in the range from 100 to 370° C. with removal of gaseous components, 4) transferring the mixture from stage 3) together with diamine or dicarboxylic acid in an amount suitable to balance out the molar deficiency into an extruder which is operated at a temperature in the range from 150 to 400° C. for a residence time in the range from 10 seconds to 30 minutes to remove gaseous components through devolatilizing orifices.

    摘要翻译: 基于二羧酸和二胺制备聚酰胺的方法具有以下阶段:1)提供二羧酸和二胺的单体混合物,二羧酸与二胺的摩尔比被调节,使得二羧酸或二胺的摩尔不足 在阶段3)的出口处存在1至10摩尔%,基于每种情况下的其它组分,2)将水性混合物从阶段1)转移到连续的蒸发器反应器中,其中二胺和二羧酸在 温度范围为100至370℃,压力范围为1至50巴,3)将混合物从阶段2转移至分离器,该分离器的运行温度范围为100至370℃ C.去除气体组分,4)将来自级3)的混合物与二胺或二羧酸一起转移,其量适合于将摩尔不足量平衡到在温度下操作的挤出机 在150至400℃的范围内,停留时间在10秒至30分钟的范围内,以通过脱挥发泡孔除去气体组分。

    SEMI-AROMATIC, SEMI-CRYSTALLINE COPOLYAMIDES
    38.
    发明申请
    SEMI-AROMATIC, SEMI-CRYSTALLINE COPOLYAMIDES 有权
    半自动,半结晶共聚酰胺

    公开(公告)号:US20120245283A1

    公开(公告)日:2012-09-27

    申请号:US13514445

    申请日:2010-12-07

    IPC分类号: C08L77/10

    摘要: Semiaromatic, semicrystalline copolyamide molding compositions, comprisingA) from 35 to 100% by weight of a copolyamide composed of a1) from 35 to 69% by weight of units which derive from hexamethylenediamine and from an aromatic dicarboxylic acid having from 8 to 16 carbon atoms, a2) from 31 to 65% by weight of units which derive from 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane and from terephthalic acid, a3) from 0 to 30% by weight of units of a semicrystalline polyamide different from a1) and a2), B) from 0 to 65% by weight of further additives, where the total of the percentages by weight of A) and B) is 100%.

    摘要翻译: 半芳族半结晶共聚酰胺模塑组合物,其包含A)35-100%重量的共聚酰胺,该共聚酰胺由a1- 35-69%(重量)衍生自六亚甲基二胺的单元和具有8至16个碳原子的芳族二羧酸组成 ,a2)31至65重量%的衍生自3,3'-二甲基-4,4'-二氨基二环己基甲烷和来自对苯二甲酸的单元,a3)0至30重量%的半结晶聚酰胺单元不同于 a1)和a2),B)0至65重量%的其它添加剂,其中A)和B)的重量百分比的总和为100%。

    USE OF VINYLAROMATIC-DIENE COPOLYMERS IN LACTAM COMPOSITIONS
    39.
    发明申请
    USE OF VINYLAROMATIC-DIENE COPOLYMERS IN LACTAM COMPOSITIONS 有权
    在LACTAM组合物中使用乙烯基二烯共聚物

    公开(公告)号:US20120225995A1

    公开(公告)日:2012-09-06

    申请号:US13408298

    申请日:2012-02-29

    IPC分类号: C08L53/02

    CPC分类号: C08L77/02 C08G69/18 C08L53/02

    摘要: A lactam composition which comprises the following components: from 3 to 25% by weight of a random vinylaromatic-diene copolymer (A), where the random vinylaromatic-diene copolymer is composed of at least one block (S) which forms a hard phase and which is composed of vinylaromatic monomers, and of at least one random block (S/B) which forms a soft phase and which has vinylaromatic monomers and diene monomers, from 75 to 97% by weight of at least one lactam component (B), and also optionally reinforcing materials and/or additives has improved viscosity in the melt and can be used for producing polyamide moldings.

    摘要翻译: 一种内酰胺组​​合物,其包含以下组分:3至25重量%的无规乙烯基芳族二烯共聚物(A),其中无规乙烯基芳族二烯共聚物由至少一个形成硬相的嵌段(S)和 由乙烯基芳族单体和形成软相的至少一种无规嵌段(S / B)组成,并且具有乙烯基芳族单体和二烯单体,75至97重量%的至少一种内酰胺组​​分(B), 并且还可选地,增强材料和/或添加剂在熔体中具有改善的粘度,并且可用于生产聚酰胺模制品。