Title:
POLYAMIDE-IMIDE FILM
Document Type and Number:
WIPO Patent Application WO/2018/147602
Kind Code:
A1
Abstract:
One embodiment may provide a polyamide-imide film which is colorless and transparent while having an adequate level of solubility and excellent mechanical properties, the polyamide-imide film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, for a square cross-section of 1 cm x 1 cm and a thickness of 30 µm to 100 µm, the polyamide-imide film has a dissolution time of 5-60 minutes in 10 ml of dimethylacetamide (DMAc), and for a thickness of 50µm, the polyamide-imide film has a yellowness of at most 5, a haze of at most 2%, a permeability of at least 85% and a modulus of at least 5.0 GPa.
Inventors:
KIM SUNHWAN (KR)
OH DAE SEONG (KR)
LEE JIN WOO (KR)
JEONG DAWOO (KR)
LIM DONG JIN (KR)
OH DAE SEONG (KR)
LEE JIN WOO (KR)
JEONG DAWOO (KR)
LIM DONG JIN (KR)
Application Number:
PCT/KR2018/001467
Publication Date:
August 16, 2018
Filing Date:
February 02, 2018
Export Citation:
Assignee:
SKC CO LTD (KR)
International Classes:
C08G73/14; C08G73/10; C08J5/18
Foreign References:
| KR20160094086A | 2016-08-09 | |||
| KR101529496B1 | 2015-06-22 | |||
| KR20160095910A | 2016-08-12 | |||
| KR20160081829A | 2016-07-08 | |||
| JP2016125063A | 2016-07-11 | |||
| US9018343B2 | 2015-04-28 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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