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Title:
積層発泡シート、及びその成形体
Document Type and Number:
Japanese Patent JP7307594
Kind Code:
B2
Abstract:
To provide a laminated foamed sheet which hardly slides on the surface and has excellent heat resistance and thermoformability and to provide its molded article.SOLUTION: There is provided a laminated foamed sheet having a foamed layer and a first non-foamed layer positioned on one surface of the foamed layer, wherein the foamed layer contains a polyester-based resin, the crystallinity determined from the following expression (a) is 20% or less, the first non-foamed layer contains a polyester-based elastomer and the duro-hardness D determined by JIS K7215 of the first non-foamed layer is 70 or less. Crystallinity (%)=[(an absolute value of heat of fusion (J/g)-(an absolute value of heat of crystallization (J/g)]÷heat of complete crystallization (J/g)×100 (a)SELECTED DRAWING: None

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JP3334486PACKAGING MATERIAL
Inventors:
Hiroaki Kitade
Kawamorita Shosuke
Application Number:
JP2019102555A
Publication Date:
July 12, 2023
Filing Date:
May 31, 2019
Export Citation:
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Assignee:
Sekisui Plastics Co., Ltd.
International Classes:
B32B27/36; B32B5/18; C08J9/36
Domestic Patent References:
JP9156005A
JP54101746U
JP2016128580A
JP2001001436A
Foreign References:
WO2019077944A1
WO2019004121A1
Attorney, Agent or Firm:
Sumio Tanai
Mitsuyoshi Suzuki
Noriko Yanai



 
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