Compounds containing isocyanuric groups and terminally blocked i

Details Compounds containing isocyanuric groups and terminally blocked i Compounds containing isocyanuric groups and terminally blocked i

1980-04-11

1981-11-24

Torrence, Dolph H.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

2602393R, 528 45, C08G 1880, C09K 300, C07D25134

Patent

active

043023517

ABSTRACT:
Method for the preparation of compounds containing isocyanuric groups and blocked isocyanate groups from aliphatic and/or cycloaliphatic polyisocyanates; wherein the starting polyisocyanate is first transformed by a known method into a mixture containing an isocyanurate containing at least two free isocyanate groups; and this intermediate product is reacted with monofunctional acidic-hydrogen containing blocking agents; wherein the blocking agent is added in an amount such that one equivalent of agent is added for every equivalent of NCO-group equivalent.

REFERENCES:
patent: 3577391 (1971-05-01), Argabright et al.
patent: 3822240 (1974-07-01), Schmitt et al.
patent: 3893977 (1975-07-01), Wingler
patent: 3919218 (1975-11-01), Schmitt et al.
patent: 4088637 (1978-05-01), Zecher et al.
patent: 4150211 (1979-04-01), Muller et al.

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