POLYIMIDE PRECURSOR, POLYIMIDE, AND COATING SOLUTION FOR UNDER LAYER FILM FOR IMAGE FORMATION
申请人:NISSAN CHEMICAL INDUSTRIES, LTD.
公开号:US20140155546A1
公开(公告)日:2014-06-05
There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1):
where A represents a tetravalent organic group; B represents a bivalent organic group having a thiol ester bond in its main chain; R
1
and R
2
independently represent a hydrogen atom or a univalent organic group; and n represents a natural number.