C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 175/06 (2006.01) C08G 18/10 (2006.01) C08G 18/20 (2006.01) C08G 18/36 (2006.01) C08G 18/76 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2433055
The invention relates to derived timber products consisting of wood parts which are glued by means of an adhesive composition, and such adhesive compositions. Said adhesive composition contains a prepolymer (prepolymer P) carrying isocyanate groups and derived from (A) a constituent A containing (A1) between 25 and 100 wt. % of a triglyceride having a plurality of reactive groups which can react with isocyanate groups in an addition reaction (triglycerides A1), and (A2) between 0 and 75 wt. % of another compound having at least one reactive group which can react with isocyanate groups in an addition reaction (constituent A2); and (B) a constituent B containing a polyisocyanate, optionally standard auxiliary and addition agents, optionally an activator, and optionally a filler material.
L'invention concerne des matières à base de bois constituées de pièces de bois qui sont collées avec une composition adhésive, ainsi que de telles compositions adhésives. Ladite composition adhésive comprend: un prépolymère (prépolymère P) portant des groupes isocyanates, dérivé de (A) un composant A contenant (A1) 25 à 100 % en poids d'un triglycéride comportant plusieurs groupes réactifs qui peuvent réagir avec des groupes isocyanates selon une réaction d'addition (triglycérides A1), et (A2) 0 à 75 % en poids d'un autre composé comportant au moins un groupe réactif pouvant réagir avec des groupes isocyanates selon une réaction d'addition (composant A2), et (B) un composant B contenant un polyisocyanate; éventuellement des additifs et auxiliaires habituels; éventuellement un activateur; et éventuellement une matière de charge.
Haberle Karl
Leubner Marcus
Pfutze Eberhard
Schmidt Michael
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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