Title:
LOWLY AIR-PERMEABLE FLEXIBLE POLYURETHANE FOAM BLOCK AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/062865
Kind Code:
A1
Abstract:
A process for producing a lowly air-permeable flexible polyurethane foam block from at least a polyol, an isocyanate compound, a catalyst, a foaming agent, and a foam stabilizer, characterized in that the foam block is an open-cell, flexible, polyurethane foam block which has an almost even air permeability of 5 cc/cm?2¿/sec or lower and is produced without via a step for forming interconnected pores called health bubbles.
Inventors:
TANAKA TAKAHIRO (JP)
Application Number:
PCT/JP2002/000891
Publication Date:
August 15, 2002
Filing Date:
February 04, 2002
Export Citation:
Assignee:
TOYO QUALITY ONE CORP (JP)
TANAKA TAKAHIRO (JP)
TANAKA TAKAHIRO (JP)
International Classes:
C08G18/10; C08G18/48; C08G18/61; (IPC1-7): C08G18/48; C08G18/61
Domestic Patent References:
| WO1980002427A1 | 1980-11-13 |
Foreign References:
| JPH07188644A | 1995-07-25 | |||
| JPS5731976A | 1982-02-20 | |||
| JPH0368677A | 1991-03-25 | |||
| JPS57102978A | 1982-06-26 | |||
| JPH0859776A | 1996-03-05 | |||
| JPH0953061A | 1997-02-25 | |||
| JPH07109370A | 1995-04-25 | |||
| JPH07109369A | 1995-04-25 | |||
| JPH1025327A | 1998-01-27 | |||
| JPH058211B2 | 1993-02-01 | |||
| JPH0892404A | 1996-04-09 |
Other References:
See also references of EP 1380608A4
Attorney, Agent or Firm:
Suzuye, Takehiko c/o SUZUYE & SUZUYE 7-2 (Kasumigaseki 3-chome Chiyoda-ku, Tokyo, JP)
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