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Patent Searching and Data


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)
Application Number:
PCT/KR2019/005232
Publication Date:
November 07, 2019
Filing Date:
April 30, 2019
Export Citation:
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Assignee:
SKC CO LTD (KR)
SKC INC (US)
International Classes:
B29B17/04; B29B9/04; B29B17/00; B29C61/02; C08G63/183; C08G63/199; C08L67/02
Foreign References:
KR100981129B12010-09-10
JP2014065282A2014-04-17
JP2001058622A2001-03-06
JP2003122256A2003-04-25
KR20070007058A2007-01-12
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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