Polyol pre-mixture for making flame-retardant poly-urethane foam

Details Polyol pre-mixture for making flame-retardant poly-urethane foam Polyol pre-mixture for making flame-retardant poly-urethane foam

1983-02-24

1985-03-19

Lechert, Jr., Stephen J.

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

521106, 521165, 521906, C09K 328

Patent

active

045058490

ABSTRACT:
The disclosure relates to a storable polyol pre-mixture for making flame-retardant polyurethane foam plastics consisting of a mixture of a polyester polyol or polyether polyol and an ammonium polyphosphate as a flame-retardant agent. The pre-mixture contains more particularly an ammonium polyphosphate which corresponds to the general formula (I)

REFERENCES:
patent: 3423343 (1969-01-01), Barnett
patent: 3423344 (1969-01-01), Odinak et al.
patent: 4129693 (1978-12-01), Cenker et al.
patent: 4202779 (1980-05-01), Smith et al.
patent: 4260514 (1981-04-01), Foucht
patent: 4381351 (1983-04-01), Szabat
patent: 4385131 (1983-05-01), Fracalossi et al.

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