Title:
メラミン樹脂発泡体
Document Type and Number:
Japanese Patent JP7042032
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a melamine resin foam which is lightweight, has a porous internal shape, and is remarkably excellent in sound absorbing performance.SOLUTION: A melamine resin foam is formed by foaming a mixed solution containing a methylene melamine-formaldehyde initial condensate (A), preferably, hydrofluorocarbon (B) having a boiling point of 50-150°C and a surface tension at 25°C of 8-30 mN/m, an emulsifier (C) and a curing agent (D), in some cases, hydrocarbon as a foaming assistant.SELECTED DRAWING: None
Inventors:
Yusuke Matsui
Megumi Yoshida
Megumi Yoshida
Application Number:
JP2017061186A
Publication Date:
March 25, 2022
Filing Date:
March 27, 2017
Export Citation:
Assignee:
Aica Kogyo Co., Ltd.
International Classes:
C08J9/14; C08G12/32; C08G12/40
Domestic Patent References:
| JP2007533806A | ||||
| JP54086563A | ||||
| JP2003191255A | ||||
| JP11269343A | ||||
| JP50126792A | ||||
| JP2018145381A | ||||
| JP2018053062A |
Previous Patent: A system having an autonomous driving type vacuum cleaner and an autonomous traveling type vacuum cl...
Next Patent: Excavator
Next Patent: Excavator