公开(公告)号：US06656578B2

公开(公告)日：2003-12-02

申请号：US10238597

申请日：2002-09-11

申请人： Yoshitaka Ohbe ,  Kazunori Akiyoshi ,  Shino Moriyama

发明人： Yoshitaka Ohbe ,  Kazunori Akiyoshi ,  Shino Moriyama

IPC分类号： B32B1502

CPC分类号： C08J5/18 ,  C08G63/065 ,  C08G63/80 ,  C08J2367/00 ,  Y10T428/249921 ,  Y10T428/269 ,  Y10T428/2982

摘要： Provided is a process for producing an aromatic liquid crystalline polyester comprising the steps of: charging 80 20 mol % of a compound represented by the following formula (I) and 20 to 80 mol % of a compound represented by the following formula (II) into a reaction vessel; conducting polycondensation reaction at a temperature from 270 to 350° C. to produce a aromatic liquid crystalline polyester; discharging the aromatic liquid crystalline polyester in a molten state from the reaction vessel and solidifying; then, pulverizing the solidified polyester into particles; and heat-treating at a temperature from 200 to 310° C., The aromatic liquid crystalline polyester has improved low temperature molding processability, and the film thereof has sufficient heat-resistance and excellent gas barrier properties.

摘要翻译： 本发明提供一种芳香族液晶聚酯的制造方法，其特征在于，将下述通式（I）表示的化合物20 20摩尔％，下述式（II）表示的化合物20〜80摩尔％添加到 反应容器; 在270〜350℃的温度下进行缩聚反应，生成芳族液晶聚酯; 将熔融状态的芳族液晶聚酯从反应容器中排出并固化; 然后将固化的聚酯粉碎成颗粒; 在200〜310℃的温度下进行热处理。芳香族液晶聚酯具有改善的低温成型加工性，其膜具有充分的耐热性和优异的阻气性。

公开(公告)号：US06528164B1

公开(公告)日：2003-03-04

申请号：US09649061

申请日：2000-08-29

申请人： Yoshitaka Ohbe ,  Kazunori Akiyoshi ,  Shino Moriyama

发明人： Yoshitaka Ohbe ,  Kazunori Akiyoshi ,  Shino Moriyama

IPC分类号： B32B1502

CPC分类号： C08J5/18 ,  C08G63/065 ,  C08G63/80 ,  C08J2367/00 ,  Y10T428/249921 ,  Y10T428/269 ,  Y10T428/2982

摘要： Provided is a process for producing an aromatic liquid crystalline polyester comprising the steps of: charging 80 to 20 mol % of a compound represented by the following formula (I) and 20 to 80 mol % of a compound represented by the following formula (II) into a reaction vessel; conducting polycondensation reaction at a temperature from 270 to 350° C. to produce an aromatic liquid crystalline polyester; discharging the aromatic liquid crystalline polyester in a molten state from the reaction vessel and solidifying; then, pulverizing the solidified polyester into particles; and heat-treating at a temperature from 200 to 310° C., The aromatic liquid crystalline polyester has improved low temperature molding processability, and the film thereof has sufficient heat-resistance and excellent gas barrier properties.

摘要翻译： 本发明提供一种芳香族液晶聚酯的制造方法，其特征在于，包括以下工序：将下述通式（I）表示的化合物80〜20摩尔％，下式（II）表示的化合物20〜80摩尔％ 进入反应容器; 在270〜350℃的温度下进行缩聚反应，生成芳香族液晶聚酯; 将熔融状态的芳族液晶聚酯从反应容器中排出并固化; 然后将固化的聚酯粉碎成颗粒; 在200〜310℃的温度下进行热处理。芳香族液晶聚酯具有改善的低温成型加工性，其膜具有充分的耐热性和优异的阻气性。