Title:
APPARATUS AND METHOD FOR RECYCLING POLARIZING PLATE MANUFACTURING SOLUTION
Document Type and Number:
WIPO Patent Application WO/2015/065075
Kind Code:
A1
Abstract:
Disclosed are an apparatus and a method for recycling a polarizing plate manufacturing solution, capable of simply and effectively removing low molecular weight poly vinyl alcohol from the polarizing plate manufacturing solution. The apparatus for recycling a polarizing plate manufacturing solution, according to the present invention, as an apparatus for recycling a manufacturing solution comprising boric acid in order to manufacture a polarizing plate from a poly vinyl alcohol-based film, comprises: a cooling unit for introducing a portion of the manufacturing solution from a processing bath in which the manufacturing solution is received and cooling the same; a filtering unit for filtering particles of a predetermined size or more from the manufacturing solution cooled in the cooling unit; and a heating unit for heating the manufacturing solution passing through the filtering unit and discharging the same into the processing bath.
Inventors:
NAH SANG-HYEON (KR)
KIM SUNG-HYUN (KR)
PARK JIN-YONG (KR)
RYOO JEA-HAN (KR)
KIM SUNG-HYUN (KR)
PARK JIN-YONG (KR)
RYOO JEA-HAN (KR)
Application Number:
PCT/KR2014/010327
Publication Date:
May 07, 2015
Filing Date:
October 31, 2014
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01D36/00; B01D37/00; G02B5/30
Foreign References:
| KR20130019364A | 2013-02-26 | |||
| KR20090109264A | 2009-10-20 | |||
| CN201437509U | 2010-04-14 | |||
| KR20120006371A | 2012-01-18 | |||
| KR101055395B1 | 2011-08-08 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
특허법인 필앤온지 (KR)
특허법인 필앤온지 (KR)
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