Crosslinking of diolefinic polymers using diacyl nitrile oxides

Details Crosslinking of diolefinic polymers using diacyl nitrile oxides Crosslinking of diolefinic polymers using diacyl nitrile oxides

1975-03-17

1976-06-08

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25BB, 260 775R, 260 775CR, 526 12, 526 49, 526 52, C08G 1804, C08G 1800, C08F 800, C08L 9100

Patent

active

039621618

ABSTRACT:
A method of crosslinking polymers containing unreacted olefinic groups at room temperature is disclosed. This process involves adding for each mole of olefin group present in the polymer three equivalents of a diisocyanate group-containing compound and one mole of nitromethane. This mixture forms in situ the acyl nitrile oxide group which then reacts with the olefin groups present in the polymer to effect a crosslinking reaction.

REFERENCES:
patent: 3294697 (1966-12-01), LeFevre
patent: 3582508 (1971-06-01), McIntosh
patent: 3844993 (1974-10-01), Miller
patent: 3880808 (1975-04-01), Hausch et al.

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