Title:
POLYAMIDE-IMIDE FILM AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2018/147606
Kind Code:
A1
Abstract:
An embodiment can provide a polyamide-imide film, which has particular punching properties, is colorless and transparent and has excellent mechanical properties and optical properties, and a method for preparing same. The polyamide-imide film comprises a polyamide-imide polymer, which is formed by means of polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, and satisfies the condition of general formula (1) below.
General formula (1)
4 ≤ X/Y ≤ 12
X: the maximum hole diameter (mm) comprising cracks when the film is punched at 10 mm/min using a 2.5mm spherical tip by means of a UTM compression mode
Y: the modulus (GPa) of the film
Inventors:
JEONG DAWOO (KR)
KIM SUNHWAN (KR)
LEE JIN WOO (KR)
OH DAE SEONG (KR)
LIM DONG JIN (KR)
KIM SUNHWAN (KR)
LEE JIN WOO (KR)
OH DAE SEONG (KR)
LIM DONG JIN (KR)
Application Number:
PCT/KR2018/001498
Publication Date:
August 16, 2018
Filing Date:
February 05, 2018
Export Citation:
Assignee:
SKC CO LTD (KR)
International Classes:
C08G73/14; C08G73/10; C08J5/18
Foreign References:
KR20160094086A | 2016-08-09 | |||
KR20160083738A | 2016-07-12 | |||
KR20170001644A | 2017-01-04 | |||
KR20160081829A | 2016-07-08 | |||
KR20130029129A | 2013-03-22 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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