hrs mate cyanate cyanate mate cyanate cyanate mate cyanate cyanate__________________________________________________________________________0 100 0 0 100 0 0 100 0 01 56 9 36 9 5 9 96 6 3 2 0 22 48 9 42 0 8 5 86 5 12 8 0 73 44 1 44 7 10 4 80 9 17 7 1 43 4 4 0 18 44 27 5 0 72 2 25 2 2 65 4 8 6 33 36 12 2 26 42 16 0 22 44 24 0 18 46 16 2 45 4 29 7 __________________________________________________________________________ example 4 example 5 diethyl phthalate diphenyl oxide carba carba di mate di di mate di time carba iso iso carba iso iso hrs mate cyanate cyanate mate cyanate cyanate__________________________________________________________________________ 0 100 0 0 100 0 0 1 2 3 3 4 62 5 33 4 5 4 0 51 33 13 5 0 5 4 46 44 10 8 31 38 20 12 23 39 24 16 24 15 37 28 __________________________________________________________________________ as shown by the above examples examples 1 and 2 table 1 a much faster rate of decomposition of the carbamate into the intermediate carbamateisocyanate and diisocyanate was observed for the method of this invention which employs catalytic solvents than for the.