Bis-oxazolidines, oxazolidine mixtures consisting...

C - Chemistry – Metallurgy – 07 – D

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C07D 263/04 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C09D 179/04 (2006.01)

Patent

CA 2046139

The present invention relates to bis-oxazolidines corresponding to formula (II) Image wherein R represents 1-ethyl pentyl. The present invention also relates to oxazolidine mixtures, which are also suitable as hardeners for plastics precursors containing isocyanate groups, containing a) bis-oxazolidines corresponding to formula (II) above and b) 0.03 to 0.3 moles per mole of component (a), of compounds corresponding to formula (III) Image wherein R represents 1-ethyl pentyl. The present invention additionally relates to the use of these oxazolidine mixtures in combination with polymer precursors containing isocyanate groups for coating or sealing compositions.

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