Title:
プロピレン系樹脂組成物及びその発泡体
Document Type and Number:
Japanese Patent JP6845689
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a propylene-based resin composition excellent in foaming characteristics with a foaming ratio higher than conventional one, and to provide a foamed body of the same.SOLUTION: A propylene-based resin composition satisfies the requirements defined the following (i) to (iv) : (i) a ratio of a component of having a molecular weight (M) of 500,000 or more and less than 2,000,000 by gel permeation chromatography (GPC) of 15.0 mass% or less; (ii) a ratio of a component having a molecular weight (M) of 2,000,000 or more by GPC of 0.1 mass% or more and 10 mass% or less; (iii) MFR of 3-20 g/10 min; and (iv) melt tension (MT) at 230°C of 15.0 mN or less.SELECTED DRAWING: None
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Inventors:
Kazuki Hado
Hiroko Tsuchiya
Yasuhiko Otsuki
Ito Ito
Koji Kato
Yasuo Sato
Hiroko Tsuchiya
Yasuhiko Otsuki
Ito Ito
Koji Kato
Yasuo Sato
Application Number:
JP2016256910A
Publication Date:
March 24, 2021
Filing Date:
December 28, 2016
Export Citation:
Assignee:
Prime Polymer Co., Ltd.
International Classes:
C08L23/10; C08F8/50; C08J9/12; C08L23/26
Domestic Patent References:
| JP2014129434A | ||||
| JP11228629A | ||||
| JP2009293020A | ||||
| JP2005336419A | ||||
| JP2006265318A | ||||
| JP2003147110A | ||||
| JP2015004057A | ||||
| JP2005255988A | ||||
| JP2013209548A |
Foreign References:
| WO2005097842A1 | ||||
| US20070208138 | ||||
| WO2006054715A1 |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata