Polyaddition products containing uretidione groups and process f

Details Polyaddition products containing uretidione groups and process f Polyaddition products containing uretidione groups and process f

1981-08-13

1984-11-20

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528 59, C07D22900

Patent

active

044837984

ABSTRACT:
A method for producing a polyaddition product of isophorone diisocyanate and diols which comprises, reacting a uretidione group-containing dimer of isophoronediisocyanate, which is decomposable by heat into 98% isophorone diisocyanate, with a diol, wherein the ratio of NCO to OH groups is such that the final polyaddition product has free terminal NCO groups, or free terminal OH groups.

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