Title:
POLYESTER FILM AND METHOD FOR RECYCLING POLYESTER CONTAINER USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/212241
Kind Code:
A1
Abstract:
An embodiment relates to a polyester film and a method for recycling a polyester container using same, the polyester film comprising a copolymer polyester resin containing a diol component and a dicarboxylic acid component. The polyester film satisfies a heat shrinkage of 30% or more in the main shrinkage direction upon the heat treatment at a temperature of 80℃ for 10 seconds and a melting point of 190℃ or higher as measured by differential scanning calorimetry, and therefore can improve the recyclability of the polyester container to solve environmental problems and can increase yield and productivity.
Inventors:
SHIN DAE YONG (KR)
KIM YONG DEUK (KR)
LEE JUNG KYU (KR)
SON JAEHYONG (US)
JUNG EUGENE (US)
KIM CHUL KYU (KR)
YANG JOO HO (KR)
KIM YONG DEUK (KR)
LEE JUNG KYU (KR)
SON JAEHYONG (US)
JUNG EUGENE (US)
KIM CHUL KYU (KR)
YANG JOO HO (KR)
Application Number:
PCT/KR2019/005232
Publication Date:
November 07, 2019
Filing Date:
April 30, 2019
Export Citation:
Assignee:
SKC CO LTD (KR)
SKC INC (US)
SKC INC (US)
International Classes:
B29B17/04; B29B9/04; B29B17/00; B29C61/02; C08G63/183; C08G63/199; C08L67/02
Foreign References:
KR100981129B1 | 2010-09-10 | |||
JP2014065282A | 2014-04-17 | |||
JP2001058622A | 2001-03-06 | |||
JP2003122256A | 2003-04-25 | |||
KR20070007058A | 2007-01-12 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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