Title:
IN-SITU POLYMERIZATION ON RECYCLED FOAM FRAGMENTS
Document Type and Number:
WIPO Patent Application WO2002077083
Kind Code:
A3
Abstract:
Process for preparing rebonded, flexible foam articles is provided. The process includes mixing together a mass of flexible foam crumbs with a liquid reaction mixture comprising polyisocyanate having a free isocyanate group content of greater than 10 % by weight and polyfunctional organic isocynate-reactive material. The rebonded, flexible foam articles can be prepared in the absence of steam as a curative agent.
Inventors:
FOGG BRIAN (US)
LOCKWOOD ROBERT J (US)
SAWITSKI ROBERT G JR (US)
SHIDAKER TRENT A (US)
LOCKWOOD ROBERT J (US)
SAWITSKI ROBERT G JR (US)
SHIDAKER TRENT A (US)
Application Number:
PCT/US2002/008753
Publication Date:
April 03, 2003
Filing Date:
March 22, 2002
Export Citation:
Assignee:
HUNTSMAN INT LLC (US)
FOGG BRIAN (US)
LOCKWOOD ROBERT J (US)
SAWITSKI ROBERT G JR (US)
SHIDAKER TRENT A (US)
FOGG BRIAN (US)
LOCKWOOD ROBERT J (US)
SAWITSKI ROBERT G JR (US)
SHIDAKER TRENT A (US)
International Classes:
C08J9/35; (IPC1-7): C08J9/35
Foreign References:
| EP0684274A1 | 1995-11-29 | |||
| BE866589A | 1978-08-14 | |||
| US4438248A | 1984-03-20 |
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