Title:
MULTILAYER POLYESTER FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/062816
Kind Code:
A1
Abstract:
The present invention relates to an optical multilayer polyester film having high transparency and excellent surface property, and a method for producing the same and, specifically, to a multilayer polyester film and a method for producing the same, wherein the multilayer polyester film has a low shrinkage ratio and has a small difference in the shrinkage ratio between a center portion and an edge portion of a wide film having a total width of 5000 mm or larger, so as to reduce a bowing phenomenon and a baggy phenomenon, which may occur in a post-treatment process.
Inventors:
CHO HYUN (KR)
Application Number:
PCT/KR2017/010641
Publication Date:
April 05, 2018
Filing Date:
September 26, 2017
Export Citation:
Assignee:
KOLON INC (KR)
International Classes:
B29C48/00; B32B27/08; B29C55/12; B32B7/02; B32B27/20; B32B27/36
Foreign References:
| JP2014233901A | 2014-12-15 | |||
| KR20160038539A | 2016-04-07 | |||
| KR20150037126A | 2015-04-08 | |||
| KR19990087622A | 1999-12-27 | |||
| KR20090002410A | 2009-01-09 |
Attorney, Agent or Firm:
PLUS INTERNATIONAL IP LAW FIRM (KR)
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