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Chemistry and application of organic isocyanates IV. Conversion of hexamethylene diisocyanate into biuret derivatives by means of Na~2~SO~4~ · 10 H~2~O by Tadeusx Lesiak; Wojciech Czerwiński; Andraej Balewski is a Materials Science article available to read on EtoBox.

What is Chemistry and application of organic isocyanates IV. Conversion of hexamethylene diisocyanate into biuret derivatives by means of Na~2~SO~4~ · 10 H~2~O about?

## Abstract The attempts of hexamethylene diisocyanate (HDI) conversion by means of Na~2~SO~4~ · 10 H~2~O at 120°C to 160°C at different molar ratios of reactions of reactants have been described. It has been shown that in this process apart form N,N′,N′′‐tris(6‐isocyanatohexyl)biuret there are also formed biuret derivatives of higher molecular weight. Due to the application of mass spectrometry analyses and gel permeation chromatography the scheme of formation of prepolymers having the biuret structure of molecular weight up to 1300 has been proposed.

Who reads Chemistry and application of organic isocyanates IV. Conversion of hexamethylene diisocyanate into biuret derivatives by means of Na~2~SO~4~ · 10 H~2~O?

Author

Tadeusx Lesiak; Wojciech Czerwiński; Andraej Balewski

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0003-3146)

Published

1980

Language

EN

Field

Materials Science (Physical Sciences)