Storage-stable, liquid carbodiimide modified polyisocyanates and

Details Storage-stable, liquid carbodiimide modified polyisocyanates and Storage-stable, liquid carbodiimide modified polyisocyanates and

1979-08-27

1981-04-07

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453AL, 260453AR, 260453A, C07C119042

Patent

active

042605547

ABSTRACT:
Storage-stable, liquid carbodiimide-modified polyisocyanates are prepared by condensation of polyisocyanates in the presence of catalytic amounts of phospholine, phospholidine, phospholine oxides and/or phospholidine oxides, said condensation terminated and the products stabilized by means of perchloric acid or trifluoromethanesulfonic acid.

REFERENCES:
patent: 2941966 (1960-06-01), Campbell
patent: 3384653 (1968-05-01), Erner
patent: 3640966 (1972-02-01), Henning et al.
patent: 4014935 (1977-03-01), Ibbotson
patent: 4088665 (1978-05-01), Findeisen et al.
patent: 4120884 (1978-10-01), Woerner et al.

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