IN-SITU POLYMERIZATION ON RECYCLED FOAM FRAGMENTS

IN-SITU POLYMERIZATION ON RECYCLED FOAM FRAGMENTS

Process for preparing rebonded, flexible foam articles is provided. The process includes mixing together a mass of flexible foam crumbs with a liqui d reaction mixture comprising polyisocyanate having a free isocyanate group content of greater than 10 % by weight and polyfunctional organic isocynate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAWITSKI, ROBERT G., JR, SHIDAKER, TRENT A, FOGG, BRIAN, LOCKWOOD, ROBERT J
Format: Patent
Sprache:eng ; fre
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Beschreibung
Zusammenfassung:Process for preparing rebonded, flexible foam articles is provided. The process includes mixing together a mass of flexible foam crumbs with a liqui d 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 t he absence of steam as a curative agent.