Preparation of isocyanurate- and/or uretidone-containing polysio

Details Preparation of isocyanurate- and/or uretidone-containing polysio Preparation of isocyanurate- and/or uretidone-containing polysio

1994-06-13

1995-07-25

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

5483171, 5483191, C07D25132

Patent

active

054363365

ABSTRACT:
Isocyanurate- and/or uretidone-containing polyisocyanates having a reduced color index and improved shelf life are prepared by conventional catalytic oligomerization of aliphatic and/or cycloaliphatic diisocyanates and treatment of the oligomerization products with peroxycarboxylic acids.

REFERENCES:
patent: 4994541 (1991-02-01), Dell et al.
patent: 5237058 (1993-08-01), Laas et al.

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