C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 203/08 (2006.01) C07D 403/12 (2006.01) C07D 403/14 (2006.01) C08G 73/02 (2006.01) C08G 73/06 (2006.01)
Patent
CA 2427046
The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of an isocyanate scavenger wherein the excess is based on the equivalent ratio of scavenger to monomeric aziridine, an to a product obtained by this process and to a coating composition containing the product obtained by the process.
L'invention a trait à un procédé permettant de réduire la teneur en aziridine monomérique dans un mélange réactionnel où se forme une polyaziridine, cela en ajoutant au mélange réactionnel un excès de capteur des isocyanates, l'excès étant déterminé par le ratio équivalent du capteur à l'aziridine monomérique; l'invention concerne aussi le produit obtenu grâce à ce procédé ainsi qu'un revêtement renfermant le produit obtenu à l'aide du procédé.
Danielmeier Karsten
Mandara Joseph P.
Venham Lanny D.
Wicks Douglas A.
Bayer Materialscience Llc
Bayer Polymers Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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