THICK POLYIMIDE FILM HAVING IMPROVED SURFACE QUALITY AND METHOD FOR MANUFACTURING SAME

Title:

THICK POLYIMIDE FILM HAVING IMPROVED SURFACE QUALITY AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2020/080598

Kind Code:

A1

Abstract:

The present invention provides a polyimide film satisfying 0.4 to 1.13 for the parameter A correlating with the viscosity (V) of a polyamic acid solution, the number average molecular weight (Mn) of a polyamic acid, and the thickness (T) of a polyimide film.

Inventors:

SON WON HO (KR)
JO HYONG SOP (KR)

Application Number:

PCT/KR2018/014445

Publication Date:

April 23, 2020

Filing Date:

November 22, 2018

Export Citation:

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Assignee:

SKCKOLONPI INC (KR)

International Classes:

C08J5/18; C08G73/10; C08L79/08

Foreign References:

JP4108808B2	2008-06-25
KR20170049912A	2017-05-11
KR101906393B1	2018-10-11
JP2002348388A	2002-12-04
KR20020065722A	2002-08-14

Attorney, Agent or Firm:

HANYANG PATENT FIRM (KR)

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