PREPOLYMERS ON THE BASIS OF ISOPHORONE DIISOCYANATE WHICH ARE LOW IN MONOMERS AND CONTAIN NCO

Production of solvent-free prepolymers with a residual monomer content of less than 2 wt.%, an isocyanate (NCO) content of 2-5 wt.% and a viscosity of 5000-20000 mPas at 23 deg C comprises reacting isophorone diisocyanate with an impact polyether having a hydroxy (OH) functionality of 1.8-2.0 in a N...

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Bibliographische Detailangaben
Hauptverfasser: HOFACKER, STEFFEN, GERTZMANN, ROLF, FLECK, OLAF, BRUEMMER, HANNO, RUTTMANN, GERHARD
Format: Patent
Sprache:eng ; fre ; ger
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