公开(公告)号：US06620902B2

公开(公告)日：2003-09-16

申请号：US10063282

申请日：2002-04-08

申请人： Tomoaki Shimoda ,  Akio Ikeda ,  Takato Kimura ,  Ken Tamada ,  Hans-Peter Brack ,  Dennis Karlik ,  Lina Prada ,  Hendricus Franciscus Zirkzee ,  James Anthony Cella

发明人： Tomoaki Shimoda ,  Akio Ikeda ,  Takato Kimura ,  Ken Tamada ,  Hans-Peter Brack ,  Dennis Karlik ,  Lina Prada ,  Hendricus Franciscus Zirkzee ,  James Anthony Cella

IPC分类号： C08G6400

CPC分类号： C08G64/14 ,  C08G64/205 ,  C08G64/307 ,  C08G64/42

摘要： A process for preparing an end-capped polycarbonate comprises melt reacting an aromatic dihydroxy compound, a carbonic acid diester, and optionally a catalyst in a prepolymerization vessel to form a polycarbonate product; transferring the polycarbonate product from the prepolymerization vessel; mixing the polycarbonate product with an end-capping agent under hermetic seal at a pressure of at least about 760 mm Hg; and transferring the polycarbonate product and end-capping agent mixture to a postpolymerization vessel to endcap the polycarbonate product. An apparatus for preparing an end-capped polycarbonate comprises a prepolymerization vessel having and inlet and an outlet; a postpolymerization vessel having an inlet and an outlet; a mixer in fluid communication with the outlet of the prepolymerization vessel and the inlet of the postpolymerization vessel; and a charging port through which an end-capping agent is charged to the mixer, wherein the mixer is hermetically sealed at greater than or equal to 760 mm Hg.

公开(公告)号：US06204352B1

公开(公告)日：2001-03-20

申请号：US09461970

申请日：1999-12-15

申请人： Takato Kimura ,  Satoshi Omori ,  Ken Tamada ,  Akio Kanezawa

发明人： Takato Kimura ,  Satoshi Omori ,  Ken Tamada ,  Akio Kanezawa

IPC分类号： C08G6400

CPC分类号： C08G64/205

摘要： To provide a manufacturing apparatus with which it is possible to manufacture a polycarbonate that has superior residence stability such as its coloring stability and thermal stability during melt molding, and that has a low content of foreign matter. An apparatus for manufacturing a polycarbonate by the melt polycondensation of a bisphenol and a carbonic diester, wherein said apparatus for manufacturing a polycarbonate is characterized in that: (1) the equipment surfaces that come into contact with the molten raw materials and the reaction product thereof at 250° C. or lower are made of nickel; and (2) the equipment surfaces that come into contact with the molten raw materials and the reaction product thereof above 250° C. are made of stainless steel with a nickel content of 5 to 15% and a chromium content of 10 to 20%.

摘要翻译： 提供一种可以制造具有优异的驻留稳定性的聚碳酸酯的制造装置，例如其在熔融成型期间的着色稳定性和热稳定性，并且具有低的异物含量。1.一种通过熔体制造聚碳酸酯的设备 双酚和碳酸二酯的缩聚反应，其中所述聚碳酸酯制造装置的特征在于：（1）在250℃以下与熔融原料及其反应产物接触的设备表面 的镍; 和（2）与熔融原料接触的设备表面及其反应产物高于250℃由镍含量为5〜15％，铬含量为10〜20％的不锈钢制成。

公开(公告)号：US06931359B2

公开(公告)日：2005-08-16

申请号：US10275992

申请日：2001-08-05

申请人： Ken Tamada

发明人： Ken Tamada

IPC分类号： A63F13/00 ,  A61B5/00 ,  A61B5/145 ,  A63F13/10 ,  G06F3/00 ,  G06F3/01 ,  H03M11/10

CPC分类号： G06F3/011 ,  G06F19/00

摘要： A method and apparatus for measuring one or more physical conditions of a computer operator and for automatically inputting signals corresponding to the physical conditions into a computer (12) for control and monitoring purposes.

摘要翻译： 一种用于测量计算机操作员的一个或多个物理条件并用于自动地将对应于物理条件的信号输入到计算机（12）中以用于控制和监视目的的方法和装置。