Title:
ACRYLIC FILM HAVING LOW WATER VAPOR TRANSMITTANCE, AND POLARIZING PLATE AND PANEL, WHICH COMPRISE SAME
Document Type and Number:
WIPO Patent Application WO/2019/203551
Kind Code:
A1
Abstract:
The present invention provides: an acrylic film manufactured, by a solvent casting method, from a main dope comprising a compound represented by the following chemical formula 1 and an acrylic resin, the acrylic film having an in-plane retardation Ro, measured under conditions of 23°C and 55%RH, of 0-5 nm, having an out-of-plane retardation Rth of -10 to -3 nm, and having a water vapor transmittance rate of 150 g/m2·24h or less in a high-temperature high-humidity environment of 60°C and 90%RH; and a polarizing plate and a panel, which comprise the acrylic film. [Chemical formula 1] In chemical formula 1, R1 is a substituted or unsubstituted ring-forming C6-50 aryl group, R2 and R3 are respectively and independently a hydrogen atom, a halogen atom, a hydroxyl group or a substituted or unsubstituted C1-12 alkyl group, m:n is 100:0 to 50:50, and the molecular weight is 130,000-200,000 g/mol.
Inventors:
KANG JI HYE (KR)
KANG KYUNG RYUN (KR)
KIM KYUNG SOO (KR)
EUN JONG HYUK (KR)
KANG KYUNG RYUN (KR)
KIM KYUNG SOO (KR)
EUN JONG HYUK (KR)
Application Number:
PCT/KR2019/004600
Publication Date:
October 24, 2019
Filing Date:
April 16, 2019
Export Citation:
Assignee:
HYOSUNG CHEMICAL CORP (KR)
International Classes:
C08J5/18; C08J7/043; C08J7/046; C08J7/048; C08L25/14; C08L33/08; C08L33/12; G02B5/30; G02F1/1335
Foreign References:
| KR20110030449A | 2011-03-23 | |||
| KR101347021B1 | 2014-01-07 | |||
| JP2009139662A | 2009-06-25 | |||
| KR20140140511A | 2014-12-09 | |||
| KR20140047548A | 2014-04-22 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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