Title:
POLYAMIC ACID COATING MATERIAL, METHOD OF PRODUCING THE SAME, AND INSULATED WIRE USING THE SAME
Document Type and Number:
Japanese Patent JP2014136743
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a polyamic acid coating material whose viscosity is easy to control, and an insulated wire using the same.SOLUTION: The polyamic acid coating material contains an organic solvent and a polyamic acid which is obtained by polymerizing a diamine component and a tetracarboxylic dianhydride component in the presence of a terminal blocking agent having a structure represented by formula (1) in the organic solvent and in which an amine terminal derived from the diamine component is blocked with the terminal blocking agent. (In the formula, Rrepresents a divalent organic group.)
Inventors:
USHIWATA TAKAMI
HONDA YUKI
NABESHIMA SHUTA
KIKUCHI HIDEYUKI
HONDA YUKI
NABESHIMA SHUTA
KIKUCHI HIDEYUKI
Application Number:
JP2013005768A
Publication Date:
July 28, 2014
Filing Date:
January 16, 2013
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
C09D179/08; C08G73/10; H01B3/30; H01B7/02
Attorney, Agent or Firm:
Toru Yui
Hitoshi Kiyono
Fukuoka Masahiro
Hitoshi Kiyono
Fukuoka Masahiro