Title:
POLYURETHANE POROUS PRODUCT AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP3683526
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a high strength polyurethane porous product without using a solvent and a drying machine, and a method for efficiently manufacturing the same.
SOLUTION: The high strength polyurethane porous product can be manufactured by subjecting component A of an isocyanate group-containing urethane prepolymer which is semisolid or solid at normal temperatures and has been melted by heating at 60°C-250°C and component B of a compound capable of reacting with an isocyanate group and/or a urethane curing catalyst to high- speed agitation mixing with the use of a mixing head and, by only cooling a foamed product having been mechanically foamed creamily to room temperature with or without introducing a gas thereinto and/or pressing it at room temperature.
Inventors:
Tadashi Nagai
Shigeru Tadokoro
Shigeru Tadokoro
Application Number:
JP2001379324A
Publication Date:
August 17, 2005
Filing Date:
November 07, 2001
Export Citation:
Assignee:
Tadashi Nagai
Shigeru Tadokoro
Shigeru Tadokoro
International Classes:
C08G18/10; C08G18/00; C08J9/00; C08J9/12; C08G101/00; (IPC1-7): C08G18/10; C08G18/00
Domestic Patent References:
| JP2000178374A |
Attorney, Agent or Firm:
Bunji Kamada
Higashio Masahiro
Torii Kazuhisa
Higashio Masahiro
Torii Kazuhisa