PROCESS FOR BINDING LIGNOCELLULOSIC MATERIALS USING POLYISOCYANATE COMPOSITIONS

A process for binding lignocellulosic material comprising the steps of a) bringing lignocellulosic material into contact with a methylene bridged polyphenyl polyisocyanate composition and b) subsequently allowing said material to bind wherein said polyisocyanate composition has a surface tension bel...

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Bibliographische Detailangaben
Hauptverfasser:	PANS, Griet, PRATELLI, Daniele, PHANOPOULOS, Christopher
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	A process for binding lignocellulosic material comprising the steps of a) bringing lignocellulosic material into contact with a methylene bridged polyphenyl polyisocyanate composition and b) subsequently allowing said material to bind wherein said polyisocyanate composition has a surface tension below or equal to 46 mN/m. L'invention concerne un procédé de liaison de matériaux lignocellulosiques comprenant les étapes consistant à : a) mettre un matériau lignocellulosique en contact avec une composition de polyphényl polyisocyanate à ponts méthylène; et b) permettre ensuite la liaison de ce matériau, cette composition de polyisocyanate possédant une tension de surface inférieure ou égale à 46 mN/m