专利检索 ap:("Bell Polyester Products, Inc." OR "Daiwa Can Company" OR "FUJIFILM Corporation") AND inv:"NAGAO, Yukiharu" 第 1 页

1.

发明公开
POLYESTER RESIN 审中-公开

公开(公告)号：EP4317270A1

公开(公告)日：2024-02-07

申请号：EP22780296.4

申请日：2022-03-22

申请人： Bell Polyester Products, Inc. , Daiwa Can Company , FUJIFILM Corporation

发明人： MISAKA, Ryota , KATSUMA, Keita , OKIMOTO, Masaya , UMEDA, Yuta , NOZAKI, Akane , MIYASAKA, Rei , NAGAO, Yukiharu , HAMADA, Yasuhiro

IPC分类号： C08J5/18 , C08G63/18

摘要： A polyester resin contains a polymer of an acid component (A) and an alcohol component (B). The component (A) contains 80 mol% or more of a 2,6-naphthalenedicarboxylic acid component with respect to a total amount of the component (A). The component (B) contains at least two types selected from the group consisting of 1,4-butanediol, 1,4-cyclohexanedimethanol, and ethylene glycol. The content of the at least one type of the component (B) is 80 mol% or more with respect to a total amount of the component (B).