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    • 1. 发明授权
    • Process for forming an aramid copolymer
    • 形成芳族聚酰胺共聚物的方法
    • US08921512B2
    • 2014-12-30
    • US13559659
    • 2012-07-27
    • Frederick K Mallon
    • Frederick K Mallon
    • C08G73/00C08G69/00C08G73/18C08G69/28C08G69/32
    • C08G69/00C08G69/28C08G69/32C08G73/18
    • The invention concerns processes for forming polymer crumb comprising residues of 2-(4-amino phenyl)-5(6)amino benzimidazole (DAPBI), paraphenylene diamine (PPD), and terephthaloyl dichloride, comprising the steps of: (a) forming a slurry of b mole percent DAPBI and y mole percent PPD in a solvent system comprising organic solvent and c weight percent of an inorganic salt, wherein the inorganic salt is present in an amount of at least 5 weight percent of the organic solvent, DAPBI and PPD being present in an amount sufficient for providing a polymer solution having a weight percent solids of 12 percent or greater on a polymer basis; and (b) contacting the slurry of step a) with a stoichiometric amount of terephthaloyl dichloride to form a product comprising the polymer; wherein the sum of y+b is 100 and the product of b×c is 225 or greater.
    • 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),对苯二胺(PPD)和对苯二酰氯的残留物的聚合物碎屑的方法,包括以下步骤:(a) 在含有机溶剂和c%重量百分比的无机盐的溶剂体系中,B摩尔%DAPBI和y摩尔%PPD的浆料,其中无机盐以有机溶剂DAPBI和PPD的至少5重量%的量存在 以足够的量存在,以提供基于聚合物的重量百分比固体含量为12%或更高的聚合物溶液; 和(b)使步骤a)的浆料与化学计量的对苯二酰氯接触以形成包含聚合物的产物; 其中y + b的和为100,b×c的乘积为225以上。
    • 2. 发明授权
    • Aramid copolymer
    • 芳族聚酰胺共聚物
    • US08716430B2
    • 2014-05-06
    • US13559657
    • 2012-07-27
    • Frederick K Mallon
    • Frederick K Mallon
    • C08G64/00C08G63/02
    • C08G69/00C08G69/28C08G69/32C08G73/18
    • The invention concerns polymer comprising residues of 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), paraphenylene diamine (PPD), and terephthaloyl dichloride, made by a process comprising the steps of: (a) forming a slurry of b mole percent DAPBI and y mole percent PPD in a solvent system comprising organic solvent and c weight percent of an inorganic salt, wherein the inorganic salt is present in an amount of at least 5 weight percent of the organic solvent, DAPBI and PPD being present in an amount sufficient for providing a polymer solution having a weight percent solids of 12 percent or greater on a polymer basis; and (b) contacting the slurry of step a) with a stoichiometric amount of terephthaloyl dichloride to form a product comprising the polymer; wherein the sum of y+b is 100 and the product of b×c is 225 or greater.
    • 本发明涉及包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),对苯二胺(PPD)和对苯二酰氯的残基的聚合物,该方法包括以下步骤:(a) 在含有机溶剂和c%重量百分比的无机盐的溶剂体系中,B摩尔%DAPBI和y摩尔%PPD的浆料,其中无机盐以有机溶剂DAPBI和PPD的至少5重量%的量存在 以足够的量存在,以提供基于聚合物的重量百分比固体含量为12%或更高的聚合物溶液; 和(b)使步骤a)的浆料与化学计量的对苯二酰氯接触以形成包含聚合物的产物; 其中y + b的和为100,b×c的乘积为225以上。
    • 3. 发明申请
    • PROCESS FOR FORMING AN ARAMID COPOLYMER
    • 形成芳香族共聚物的方法
    • US20130197147A1
    • 2013-08-01
    • US13559659
    • 2012-07-27
    • FREDERICK K. MALLON
    • FREDERICK K. MALLON
    • C08G69/28
    • C08G69/00C08G69/28C08G69/32C08G73/18
    • The invention concerns processes for forming polymer crumb comprising residues of 2- (4-amino phenyl)-5 (6) amino phenyl benzimidazole (DAPBI), paraphenylene diamine (PPD), and terephthaloyl dichloride, comprising the steps of: (a) forming a slurry of b mole percent DAPBI and y mole percent PPD in a solvent system comprising organic solvent and c weight percent of an inorganic salt, wherein the inorganic salt is present in an amount of at least 5 weight percent of the organic solvent, DAPBI and PPD being present in an amount sufficient for providing a polymer solution having a weight percent solids of 12 percent or greater on a polymer basis; and (b) contacting the slurry of step a) with a stoichiometric amount of terephthaloyl dichloride to form a product comprising the polymer; wherein the sum of y+b is 100 and the product of b×c is 225 or greater.
    • 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯基苯并咪唑(DAPBI),对苯二胺(PPD)和对苯二酰氯的残留物的聚合物碎屑的方法,包括以下步骤:(a) 在包含有机溶剂和c%重量百分比的无机盐的溶剂体系中,b摩尔%DAPBI和y摩尔%PPD的浆料,其中无机盐的存在量为有机溶剂DAPBI的至少5重量% PPD存在的量足以提供聚合物基础上具有12%或更高的重量百分比固体的聚合物溶液; 和(b)使步骤a)的浆料与化学计量的对苯二酰氯接触以形成包含聚合物的产物; 其中y + b的和为100,b×c的乘积为225以上。
    • 9. 发明授权
    • Process for forming an aramid copolymer
    • 形成芳族聚酰胺共聚物的方法
    • US08921511B2
    • 2014-12-30
    • US13559655
    • 2012-07-27
    • Frederick K Mallon
    • Frederick K Mallon
    • C08G73/00C08G69/28C08G73/18C08G69/32C08G69/00C08G69/26
    • C08G69/00C08G69/265C08G69/28C08G69/32C08G73/18
    • The invention concerns processes for forming polymer crumb comprising residues of 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), paraphenylene diamine (PPD), and terephthaloyl dichloride (TCl), comprising the steps of: i) forming a slurry of b mole percent DAPBI in a solvent system comprising organic solvent and c weight percent of an inorganic salt, wherein the inorganic salt is present in an amount of at least 5 weight present of the organic solvent; ii) contacting the slurry with a less than stoichiometric amount of terephthaloyl chloride to form an prepolymer solution; and iii) contacting the prepolymer solution with y mole percent of PPD and additional TCL to form a polymer solution; wherein the total amount of TCL added in steps ii) and iii) is a stoichiometric amount based on the total amount of DAPBI and PPD added in steps i) and iii); the DAPBI and PPD are added in an amount sufficient for providing a polymer solution having a weight percent solids of 12 percent or greater on a polymer basis; and wherein the sum of y+b is 100 and the product of b×c is 225 or greater.
    • 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),对苯二胺(PPD)和对苯二甲酰氯(TCl))残留物的聚合物碎屑的方法,包括以下步骤:i) 在包含有机溶剂和c重量百分数的无机盐的溶剂体系中形成b摩尔%DAPBI的浆料,其中无机盐以至少5重量%存在的有机溶剂的量存在; ii)使所述浆料与少于化学计量的对苯二甲酰氯接触以形成预聚物溶液; 和iii)使预聚物溶液与γ-摩尔%的PPD和另外的TCL接触以形成聚合物溶液; 其中步骤ii)和iii)中加入的TCL的总量是基于在步骤i)和iii)中添加的DAPBI和PPD的总量的化学计量的量; 加入DAPBI和PPD的量足以提供基于聚合物的重量百分比固体含量为12%或更高的聚合物溶液; 并且其中y + b的和为100,并且b×c的乘积为225或更大。