公开(公告)号：US20230033350A1

公开(公告)日：2023-02-02

申请号：US17784137

申请日：2020-12-04

申请人： HANWHA SOLUTIONS CORPORATION

发明人： Dokyoung KIM ,  Do Hyun SEO ,  Jinseo LEE

IPC分类号： B01J19/00 ,  C08G69/28

摘要： The present invention relates to an apparatus and a process for preparing a polyamide. Specifically, the present invention relates to an apparatus and a process for preparing a polyamide that enhances the degree of fixation of a diamine during the polycondensation of a diamine and a dicarboxylic acid. The apparatus and process for preparing a polyamide according to an embodiment of the present invention are capable of enhancing the degree of fixation of a diamine during the polycondensation reaction of a diamine and a dicarboxylic acid.

公开(公告)号：US20240317938A1

公开(公告)日：2024-09-26

申请号：US18269655

申请日：2021-12-17

申请人： HANWHA SOLUTIONS CORPORATION

发明人： Minjae JEONG ,  Jinseo LEE ,  Dokyoung KIM ,  Kyungho KWON ,  Do Hyun SEO

IPC分类号： C08G69/36 ,  C08G69/04 ,  C08K3/32 ,  C08K5/00 ,  C08K5/13 ,  C08K13/02 ,  C08L77/02

CPC分类号： C08G69/36 ,  C08G69/04 ,  C08K13/02 ,  C08L77/02 ,  C08K3/32 ,  C08K5/005 ,  C08K5/13 ,  C08L2201/08 ,  C08L2205/025 ,  C08L2205/03

摘要： The present disclosure relates to a method of preparing a polyamide by copolymerization of multiple components, a polyamide prepared thereby, and a composition including the same. The copolymerized polyamide according to an embodiment of the present invention and a composition including the same may exhibit excellent mechanical properties, low temperature properties, and gas barrier properties.