Preparation of N-(2-hydroxypropyl)-2,6-dimethylmorpholine
A process for the preparation of N-(2-hydroxypropyl)-2,6-dimethylmorpholine, wherein tris-(2-hydroxypropyl)amine is cyclized a) in the presence of acid catalysts or b) in the presence of hydrogenation catalysts.
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(2008/06/13)
Catalysts for the curing of a water-curable isocyanate-functional prepolymer
New catalysts useful in the curing of a water-curable isocyanate-functional prepolymer are provided. The new catalyst is a new 2,2'-dimorpholinyldialkyl ether. The use of the improved catalyst provides prepolymer/catalyst premix compositions having equivalent or increased shelf stability and which, when water-cured, yield resins having superior early strenghts. A method of curing an isocyanate-functional prepolymer and articles useful as orthopedic bandages are also provided.
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(2008/06/13)
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