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    • 4. 发明申请
    • MELT POLYCARBONATE CATALYST SYSTEMS
    • 熔融聚碳酸酯催化剂体系
    • WO02055585A3
    • 2002-08-15
    • PCT/US0148925
    • 2001-12-14
    • GEN ELECTRIC
    • LEMMON JOHN PATRICKWROCZYNSKI RONALD JAMES
    • C08G64/30C08K5/3492
    • C08G64/307
    • This invention provides a method for preparing polycarbonates, which utilizes polycondensation catalysts which are derivatized pyridyl triazinyl pyridyl macromolecules with the general formula Ax+y[(Triazinyl-Pyridyl)By-x], where A is certain alkali metals, B contains a charge balancing sulfonate, carboxylate, or phosphonate group. We have found that his new class of catalysts provide excellent polymerization rates for the preparation of Bisphenol A polycarbonate from the melt polymerization of diphenyl carbonate and Bisphenol A. Moreover, the catalysts of the invention were found to be very selective in substantially reducing the level of branching side reaction, i.e., formation of Fries product, normally associated with the melt polycarbonate process.
    • 本发明提供一种制备聚碳酸酯的方法,该方法采用衍生化的具有通式Ax + y [(三嗪基 - 吡啶基)By-x]的吡啶基三嗪基吡啶基大分子的缩聚催化剂,其中A是某些碱金属,B含有电荷平衡 磺酸盐,羧酸盐或膦酸盐基团。 我们已经发现,他的新一类催化剂从碳酸二苯酯和双酚A的熔融聚合制备双酚A聚碳酸酯提供了极好的聚合速率。此外,发现本发明的催化剂在显着降低 分支侧反应,即通常与熔融聚碳酸酯方法相关的Fries产物的形成。
    • 6. 发明申请
    • MELT POLYCARBONATE CATALYST SYSTEMS
    • 熔融聚碳酸酯催化剂体系
    • WO02064663A3
    • 2003-02-06
    • PCT/US0149467
    • 2001-12-28
    • GEN ELECTRIC
    • LEMMON JOHN PATRICKMCCLOSKEY PATRICK JOSEPHSICLOVAN OLTEA PUICA
    • C08G64/30
    • C08G64/307
    • This invention provides a method for preparing polycarbonates, which utilizes polycondensation catalysts of the formula Cs+An, wherein An represents anions such as CH3 SO3, NH2SO3, C2H2O4, BH4, B(C6H5CH3)4, and CH3C3C6H4SO3. We have found that this new class of catalysts provides excellent polymerization rates for the preparation of Bisphenol A polycarbonate from the melt polymerization of diphenyl carbonate and Bisphenol A. Moreover, the catalysts of the invention were found to be very selective in substantially reducing the level of branching side reaction, i.e., formation of Fried product, Normally associated with the melt polycarbonate process.
    • 本发明提供了一种制备聚碳酸酯的方法,该方法采用式为Cs + An的缩聚催化剂,其中An代表阴离子如CH 3 SO 3,NH 2 SO 3,C 2 H 2 O 4,BH 4,B(C 6 H 5 CH 3)4和CH 3 C 3 C 6 H 4 SO 3。 我们已经发现,这种新型催化剂由于碳酸二苯酯和双酚A的熔融聚合而提供了用于制备双酚A聚碳酸酯的优异的聚合速率。此外,发现本发明的催化剂在显着降低 分支反应,即形成油炸产品,通常与熔融聚碳酸酯过程相关。
    • 7. 发明申请
    • MELT POLYCARBONATE CATALYST SYSTEMS
    • 熔融聚碳酸酯催化剂体系
    • WO02055583A3
    • 2003-01-03
    • PCT/US0149129
    • 2001-12-18
    • GEN ELECTRIC
    • LEMMON JOHN PATRICKMCCLOSKEY PATRICK JOSEPHSICLOVAN OLTEA PUICA
    • C08G64/20C08G64/30
    • C08G64/307
    • This invention provides a method for preparing polycarbonates, which utilizes polycondensation catalysta of the formula Ax MF6 , wherein A is an alkali metal or alkaline earth cation; M is a transition metal of group IVA or VA, or M is a p-block metal of group IIIB, IVB or VB; and x is 1, 2, or 3. We have found that this new class of catalysts provide excellent polmerization rates for hte prepartion of Bisphenol A polycarbonate form teh metl polmerization rates for the preparation of Bisphenol A polycarbonate form the melt polymerization of disphenyl carbonate and Bisphenol A. Moreover, the catalysts of the invention were found to be very selective in substantially reducingt the level of branching side reation, i.e., formation of Fries product, normally assocatiated with the melt polycarbonate process.
    • 本发明提供了一种制备聚碳酸酯的方法,该方法采用式Ⅳ+ MF6-x3的缩聚催化剂a,其中A为碱金属或碱土金属阳离子; M是IVA或VA族的过渡金属,或M是IIIB,IVB或VB族的p型金属; 我们已经发现,这种新型催化剂为双酚A聚碳酸酯制备双酚A聚碳酸酯制备双酚A聚碳酸酯形成碳酸二苯酯的熔体聚合反应提供了极好的聚合速率, 双酚A.此外,发现本发明的催化剂在显着降低分支侧反应的水平方面非常有选择性,即通常与熔融聚碳酸酯方法相关的Fries产物的形成。