C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/74 (2006.01) C08G 18/00 (2006.01) C08G 18/16 (2006.01) C08G 18/42 (2006.01) C08G 18/83 (2006.01)
Patent
CA 2706841
This invention relates to flexible cycloaliphatic diisocyanate trimers and a process for the preparation of these. These flexible products are allophanate-modified, partially trimerized cycloaliphatic diisocyanates and are characterized by a low T9. More specifically, the T9 of the resultant product ranges from about -30 0C to about 40 0C, after the excess monomer has been removed from the product.
Cette invention concerne des trimères de diisocyanates cycloaliphatiques flexibles et un procédé pour les préparer. Ces produits flexibles sont des diisocyanates cycloaliphatiques partiellement trimérisés modifiés par un allophanate et se caractérisent par un T9 bas. Plus spécifiquement, le T9 du produit obtenu est compris entre environ -30 0C et environ 40 0C, après retrait du produit du monomère en excès.
Jeffries Michael K.
Shaffer Myron W.
Zielinski David P.
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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