C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/76 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/64 (2006.01) C08L 97/02 (2006.01)
Patent
CA 2426397
A polyisocyanate composition used for binding lignocellulosic materials comprising a polyisocyanate prepolymer said prepolymer being the reaction product from a polyisocyanate and a polyol characterised in that the polyisocyanate composition has a free unreacted diisocyanate content of at least 8 % by weight
La présente invention concerne une composition polyisocyanate utilisée pour agglomérer des matériaux lignocellulosiques. Cette composition comprend un prépolymère polyisocyanate, ce prépolymère étant le produit de réaction d'un polyisocyanate et d'un polyol. Cette composition polyisocyanate est caractérisée par le fait qu'elle possède un contenu diisocyanate inaltéré libre d'au moins 8 % en poids.
Maria Stroobants Peter Frans Eugeen
Skinner Christopher John
Huntsman International Llc
Smart & Biggar
LandOfFree
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