Flame retardant polyurethane containing alkyl bis(3-...

Details Flame retardant polyurethane containing alkyl bis(3-... Flame retardant polyurethane containing alkyl bis(3-...

C - Chemistry, Metallurgy

08

G

402/127, 403/18

C08G 18/38 (2006.01) C08G 18/65 (2006.01) C08G 18/14 (1985.01)

Patent

CA 1208841

ABSTRACT Polyurethane compositions are rendered fire retardant by substitution for some of the polyol normally present in the reaction mixture, an effect- ive amount of a 3-hydroxypropyl phosphine oxide such as sec-butyl bis(3-hydroxypropyl) phosphine oxide. The compositions obtained as final products are useful in the manufacture of articles such as insulating material having improved fire retardant properties.

406444

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