Title:
ポリエステル、接着剤およびフィルム
Document Type and Number:
Japanese Patent JP7047977
Kind Code:
B2
Abstract:
[Problem] To provide a polyester that exhibits superior solvent solubility, heat resistance, and tackiness and superior dielectric properties such as a low dielectric constant and dielectric loss tangent, as well as an adhesive and a film containing the same. [Solution] A copolymer polyester having a polycarboxylic acid component and a polyhydric alcohol component as constituent units, wherein a naphthalene dicarboxylic acid component constitutes at least 50 mol% out of 100 mol% of the polycarboxylic acid component, and a dimer diol component constitutes at least 20 mol% out of 100 mol% of the polyhydric alcohol component.
Inventors:
Koichi Sakamoto
Ko Miura
Tetsuo Kawakusu
Ko Miura
Tetsuo Kawakusu
Application Number:
JP2021536729A
Publication Date:
April 05, 2022
Filing Date:
March 26, 2021
Export Citation:
Assignee:
Toyobo Co., Ltd.
International Classes:
C09J167/02; C08G63/189; C08G63/52; H05K3/38
Domestic Patent References:
| JP6128363A | ||||
| JP2011046771A | ||||
| JP2011048926A |