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Title:
MULTILAYERED BODY AND MULTILAYERED CONTAINER
Document Type and Number:
WIPO Patent Application WO/2019/208500
Kind Code:
A1
Abstract:
Provided are a multilayered body and a multilayered container which have excellent delamination resistance while maintaining excellent oxygen barrier properties. The multilayered body comprises a polyester resin layer and a barrier layer, wherein polyamide resin contained in the barrier layer comprises 90 to 10 parts by mass of a polyamide resin (B) with respect to 10 to 90 parts by mass of a polyamide resin (A). In the polyamide resin (A), 70 mol% or more of structural units derived from diamine are derived from xylylenediamine, and over 90 mol% of structural units derived from dicarboxylic acid are derived from adipic acid. In the polyamide resin (B), 70 mol% or more of structural units derived from diamine are derived from xylylenediamine, and 30 to 65 mol% of structural units derived from dicarboxylic acid are derived from an α,ω-straight-chain aliphatic dicarboxylic acid having 4 to 20 carbon atoms and 70 to 35 mol% thereof are derived from isophthalic acid.

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Inventors:
MIYABE TAKANORI (JP)
ODA TAKAFUMI (JP)
NAKAMURA JIN (JP)
YAMANAKA MASAKI (JP)
Application Number:
PCT/JP2019/017035
Publication Date:
October 31, 2019
Filing Date:
April 22, 2019
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
B32B27/34; B32B27/00; B32B27/36; B65D1/02; B29C49/06; B29C49/22
Domestic Patent References:
WO2017115685A12017-07-06
WO2013002075A12013-01-03
WO2008146803A12008-12-04
WO2013168804A12013-11-14
WO2017090556A12017-06-01
WO2012090797A12012-07-05
WO2017141969A12017-08-24
Foreign References:
JP2009035286A2009-02-19
JPS60232952A1985-11-19
JP2016169027A2016-09-23
JPS60232952A1985-11-19
JP2006111718A2006-04-27
JP2017105873A2017-06-15
JPH02229023A1990-09-11
JP2011037199A2011-02-24
JP2016198912A2016-12-01
Other References:
See also references of EP 3785909A4
Attorney, Agent or Firm:
SIKs & Co. (JP)
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