Title:
POLYESTER, ADHESIVE, AND FILM
Document Type and Number:
WIPO Patent Application WO/2021/200712
Kind Code:
A1
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:
SAKAMOTO KOICHI (JP)
MIURA WATARU (JP)
KAWAKUSU TETSUO (JP)
MIURA WATARU (JP)
KAWAKUSU TETSUO (JP)
Application Number:
PCT/JP2021/013038
Publication Date:
October 07, 2021
Filing Date:
March 26, 2021
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C09J167/00; C08G63/189; C08G63/52; C08J5/18
Foreign References:
| JPH06128363A | 1994-05-10 | |||
| JP2011046771A | 2011-03-10 | |||
| JP2011048926A | 2011-03-10 |
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