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    • 1. 发明授权
    • Large scale process for polymerization of DAPBI-containing polyaramid
    • 含DAPBI的聚芳酰胺的大规模聚合方法
    • US08362192B2
    • 2013-01-29
    • US12937849
    • 2009-04-09
    • Richard Elena Theodorus Petrus De VosJoannes Marinus SurquinMarlieke Elisabeth Josephine Pepels
    • Richard Elena Theodorus Petrus De VosJoannes Marinus SurquinMarlieke Elisabeth Josephine Pepels
    • C08G69/28C08G69/32C08G73/18C08G69/48
    • C08G69/32C08G69/28C08G73/18C08K3/16
    • A method for obtaining an aromatic polyamide crumb from an aromatic diamine and an aromatic diacid chloride, which aromatic polyamide comprises 5(6)-amino-2-(p-aminophenyl)benzimidazole terephthalamide units and has a relative viscosity ηrel of at least 3, by: (1) adding at least monomers (i)-(iii) in N-methyl pyrrolidone as solvent wherein (i) is 0-30 mole % para-phenylenediamine (PPD), (ii) is 20-50 mole % 5(6)-amino-2-(p-aminophenyl)benzimidazole (DABPI), (iii) is 49.05-50.05 mole % terephthaloyl dichloride (TDC), and optionally calcium chloride to obtain a CaCl2/aromatic diamine molar ratio less than 0.5, and an aromatic diamine/aromatic diacid chloride ratio between 0.99 and 1.01; (2) mixing the monomers and the optional calcium chloride to a homogenous mixture having a monomer concentration of 5 to 12 wt %; followed by (3) adding calcium chloride to the homogeneous mixture to obtain a CaC12/aromatic diamine molar ratio 0.6-1.0; and (4) polymerizing the mixture.
    • 芳香族聚酰胺包含5(6) - 氨基-2-(对氨基苯基)苯并咪唑对苯二甲酰胺单元的芳族二胺和芳香族二酰氯获得芳香族聚酰胺碎屑的方法,其相对粘度和相对密度至少为 3,通过:(1)在N-甲基吡咯烷酮作为溶剂中加入至少单体(i) - (iii),其中(i)为0-30摩尔%对苯二胺(PPD),(ii)为20-50摩尔 %5(6) - 氨基-2-(对氨基苯基)苯并咪唑(DABPI),(iii)为49.05-50.05摩尔%对苯二酰氯(TDC),任选氯化钙,得到CaCl 2 /芳族二胺摩尔比小于 0.5,芳族二胺/芳族二酰氯比例在0.99〜1.01之间; (2)将单体和任选的氯化钙混合到单体浓度为5至12重量%的均匀混合物中; 然后(3)向均匀混合物中加入氯化钙,得到CaCl 2 /芳族二胺的摩尔比为0.6-1.0; 和(4)使混合物聚合。
    • 2. 发明申请
    • LARGE SCALE PROCESS FOR POLYMERIZATION OF DAPBI-CONTAINING POLYARAMID
    • 含有多聚氨基甲酸酯的聚合方法的大规模化方法
    • US20110046340A1
    • 2011-02-24
    • US12937849
    • 2009-04-09
    • Richard Elena Theodorus Petrus De VosJoannes Marinus SurquinMarlieke Elisabeth Josephine Pepels
    • Richard Elena Theodorus Petrus De VosJoannes Marinus SurquinMarlieke Elisabeth Josephine Pepels
    • C08G73/18
    • C08G69/32C08G69/28C08G73/18C08K3/16
    • A method for obtaining an aromatic polyamide crumb from an aromatic diamine and an aromatic diacid chloride, which aromatic polyamide comprises 5(6)-amino-2-(p-aminophenyl)benzimidazole terephthalamide units and has a relative viscosity ηrel of at least 3, by: (1) adding at least monomers (i)-(iii) in N-methyl pyrrolidone as solvent wherein (i) is 0-30 mole % para-phenylenediamine (PPD), (ii) is 20-50 mole % 5(6)-amino-2-(p-aminophenyl)benzimidazole (DABPI), (iii) is 49.05-50.05 mole % terephthaloyl dichloride (TDC), and optionally calcium chloride to obtain a CaCl2/aromatic diamine molar ratio less than 0.5, and an aromatic diamine/aromatic diacid chloride ratio between 0.99 and 1.01; (2) mixing the monomers and the optional calcium chloride to a homogenous mixture having a monomer concentration of 5 to 12 wt %; followed by (3) adding calcium chloride to the homogeneous mixture to obtain a CaCl2/aromatic diamine molar ratio 0.6-1.0; and (4) polymerizing the mixture.
    • 芳香族聚酰胺包含5(6) - 氨基-2-(对氨基苯基)苯并咪唑对苯二甲酰胺单元的芳族二胺和芳香族二酰氯获得芳香族聚酰胺碎屑的方法,其相对粘度和相对密度至少为 3,通过:(1)在N-甲基吡咯烷酮作为溶剂中加入至少单体(i) - (iii),其中(i)为0-30摩尔%对苯二胺(PPD),(ii)为20-50摩尔 %5(6) - 氨基-2-(对氨基苯基)苯并咪唑(DABPI),(iii)为49.05-50.05摩尔%对苯二酰氯(TDC),任选氯化钙,得到CaCl 2 /芳族二胺摩尔比小于 0.5,芳族二胺/芳族二酰氯比例在0.99〜1.01之间; (2)将单体和任选的氯化钙混合到单体浓度为5至12重量%的均匀混合物中; 然后(3)向均匀混合物中加入氯化钙,得到CaCl 2 /芳族二胺摩尔比0.6-1.0; 和(4)使混合物聚合。