C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/10 (2006.01) C08G 18/72 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2709554
Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di-or polyisocyanates, of the general formula (II): X-[-N(CHO)-CO-NH-R1-NCO]n (II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n>= 2; processes for making the same; compositions containing the same; and uses thereof.
Blum Harald
Leimenstoll Marc
Peiffer Evelyn
Bayer Materialscience Ag
Fetherstonhaugh & Co.
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