Bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide, production methods, and use of said compound
AssigneeLANXESS Deutschland GmbH
InventorsWilhelm Laufer, Martina Schoenhaber, Armin Eckert, Oliver Herd, Rolf Sperber
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Abstract
The present invention relates to novel processes for producing bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide, to the thus-produced bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide and to the use thereof as a hydrolysis inhibitor in polyurethane (PU)-based systems, preferably thermoplastic TPU, PU adhesives, PU casting resins, PU elastomers or PU foams.
Claims10
A process for producing bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide, the process comprising carbodiimidizing 3-isopropenyl-α,α-dimethylbenzylisocyanate in the presence of 0.1-20 wt % of basic cesium salts at a temperature of 160° C. to 220° C.
Dependencies are inferred from the claim text.