Process for producing an isocyanate-based polymer having reduced

Details Process for producing an isocyanate-based polymer having reduced Process for producing an isocyanate-based polymer having reduced

1975-09-19

1977-10-25

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25BB, 260 25AJ, 260 25AM, 260 775AP, 260 775NC, 260 775SS, C08G 1814

Patent

active

040555224

ABSTRACT:
There is disclosed a process for producing an isocyanate-based polymer by catalytically reacting a polyisocyanate alone or in combination with a polyhydroxy compound, the improvement in which an aromatic aldehyde having aldehyde group and no functional group capable of reacting with the isocyanate group, as a smoke suppressing agent is added to the reaction system.

REFERENCES:
patent: 3179626 (1965-04-01), Beitchman
patent: 3689440 (1972-09-01), Glaesmann
patent: 3793236 (1974-02-01), Ashida et al.
patent: 3919128 (1975-11-01), Baldino et al.
patent: 3931065 (1976-01-01), Ashida et al.

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