Title:
鉄道車両用外幌
Document Type and Number:
Japanese Patent JP6886250
Kind Code:
B2
Abstract:
Provided is a flame-retardant rubber composition including the following components (A) to (D): (A) An olefin-based rubber, (B) An acid-modified polyolefin, (C) A metal hydroxide, and (D) A cross-linking agent for the component (A) .A content of the component (C) with respect to 100 parts by weight of a total content of the component (A) and the component (B) falls within a range of from 100 parts by weight to 350 parts by weight. Also provided is an external diaphragm for railroad cars including a cross-linked product of the flame-retardant rubber composition. Thus, there can be provided a flame-retardant rubber composition excellent in rubber physical properties, such as tensile strength and breaking elongation, and durability, and also excellent in flame retardancy, and an external diaphragm for railroad cars obtained using the flame-retardant rubber composition.
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Inventors:
Kei Muratani
Kenji Yamamoto
Kenji Yamamoto
Application Number:
JP2016149393A
Publication Date:
June 16, 2021
Filing Date:
July 29, 2016
Export Citation:
Assignee:
Sumitomo Riko Co., Ltd.
International Classes:
B61D17/22; C08K3/22; C08K5/14; C08L23/00; C08L23/26
Domestic Patent References:
| JP2016030810A | ||||
| JP2016141766A | ||||
| JP2011144253A | ||||
| JP2009107507A |
Attorney, Agent or Firm:
Masahiko Nishito
Iisaki Aika
Yuko Saito
Iisaki Aika
Yuko Saito