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Title:
ポリプロピレン系積層体、並びにそれを含む成形体及びその製造方法
Document Type and Number:
Japanese Patent JP6689715
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a laminate which has excellent transparency and flame retardancy, and is excellent appearance by inhibiting bleed-out of a phosphorus-based flame retardant, and to provide a molded body using the same.SOLUTION: There is provided a laminate which at least comprises a layer (B), a layer (C), and a layer (B) in this order. The layer (B) contains 67 to 96.8 mass% of a polypropylene-based resin (a), 3.0 to 30 mass% of an ethylene-vinyl acetate copolymer (b1) in which the content of the structural unit derived from vinyl acetate is 25 mass% or more, and 0.2 to 3.0 mass% of an NOR type hindered amine-based compound (c). The two layers (B) may be the same or different, and the layer (C) contains 16 to 95.8 mass% of a polypropylene-based resin (a), 1 to 40 mass% of an ethylene-vinyl acetate copolymer (b2), 0.2 to 4.0 mass% of an NOR type hindered amine-based compound (c), and 3.0 to 40 mass% of a phosphorus-based flame retardant (d) having a melting point of 300°C or less.SELECTED DRAWING: Figure 1

Inventors:
Kurooka Fumihiro
Hideo Hayashi
Application Number:
JP2016173120A
Publication Date:
April 28, 2020
Filing Date:
September 05, 2016
Export Citation:
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Assignee:
Idemitsu Unitech Co., Ltd.
Idemitsu Lion Composite Co., Ltd.
International Classes:
B32B27/32; B29C45/14; B29C48/15; B29C48/18; B29C48/88; B29C48/92; C08K5/3435; C08K5/49; C08L23/08; C08L23/10; C08L31/04
Domestic Patent References:
JP2014139001A
JP2012097188A
JP2013124332A
JP2004174869A
JP2004106513A
JP2004083788A
JP2014198416A
JP2012139826A
Foreign References:
US20140093725
Attorney, Agent or Firm:
Heiwa International Patent Office