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    • 6. 发明申请
    • High Molecular Weight Polycarbodiimide And Method Of Producing Same
    • 高分子量聚碳化二亚胺及其生产方法
    • US20140221580A1
    • 2014-08-07
    • US14241211
    • 2012-08-29
    • Mohamed Bouguettaya
    • Mohamed Bouguettaya
    • C08G18/02
    • B05D1/02B05D3/02C08G18/025C08G18/7621C08G2105/06C09D179/08
    • A method of producing the high molecular weight polycarbodiimide comprises the steps of providing an isocyanate component comprising toluene diisocyanate (TDI), a carbodiimidization catalyst, and a first solvent. The method further comprises the step of polymerizing the isocyanate component in the first solvent and in the presence of the carbodiimidization catalyst to produce a reaction mixture including at least one carbodiimide compound and the first solvent. In addition, the method comprises the step of combining a second solvent and the reaction mixture. Finally, the method comprises the step of polymerizing the at least one carbodiimide compound for a second period of time in the first and second solvents and in the presence of the carbodiimidization catalyst to produce the high molecular weight polycarbodiimide.
    • 制备高分子量聚碳化二亚胺的方法包括提供包含甲苯二异氰酸酯(TDI),碳二亚胺化催化剂和第一溶剂的异氰酸酯组分的步骤。 该方法还包括在第一溶剂中和在碳二亚胺化催化剂存在下聚合异氰酸酯组分以产生包含至少一种碳二亚胺化合物和第一溶剂的反应混合物的步骤。 此外,该方法包括组合第二溶剂和反应混合物的步骤。 最后,该方法包括在第一和第二溶剂中和在碳二亚胺化催化剂的存在下使至少一种碳二亚胺化合物聚合第二时间段以产生高分子量聚碳化二亚胺的步骤。
    • 10. 发明授权
    • High molecular weight polycarbodiimide and method of producing same
    • 高分子量聚碳化二亚胺及其制造方法
    • US09221073B2
    • 2015-12-29
    • US14241211
    • 2012-08-29
    • Mohamed Bouguettaya
    • Mohamed Bouguettaya
    • B05D1/02C08G18/76C08G18/02C09D179/08B05D3/02
    • B05D1/02B05D3/02C08G18/025C08G18/7621C08G2105/06C09D179/08
    • A method of producing the high molecular weight polycarbodiimide comprises the steps of providing an isocyanate component comprising toluene diisocyanate (TDI), a carbodiimidization catalyst, and a first solvent. The method further comprises the step of polymerizing the isocyanate component in the first solvent and in the presence of the carbodiimidization catalyst to produce a reaction mixture including at least one carbodiimide compound and the first solvent. In addition, the method comprises the step of combining a second solvent and the reaction mixture. Finally, the method comprises the step of polymerizing the at least one carbodiimide compound for a second period of time in the first and second solvents and in the presence of the carbodiimidization catalyst to produce the high molecular weight polycarbodiimide.
    • 制备高分子量聚碳化二亚胺的方法包括提供包含甲苯二异氰酸酯(TDI),碳二亚胺化催化剂和第一溶剂的异氰酸酯组分的步骤。 该方法还包括在第一溶剂中和在碳二亚胺化催化剂存在下聚合异氰酸酯组分以产生包含至少一种碳二亚胺化合物和第一溶剂的反应混合物的步骤。 此外,该方法包括组合第二溶剂和反应混合物的步骤。 最后,该方法包括在第一和第二溶剂中和在碳二亚胺化催化剂的存在下使至少一种碳二亚胺化合物聚合第二时间段以产生高分子量聚碳化二亚胺的步骤。