Flame retardant N,N'-bis(tetrabromophthalimide) composition

Details Flame retardant N,N'-bis(tetrabromophthalimide) composition Flame retardant N,N'-bis(tetrabromophthalimide) composition

1990-05-29

1991-12-31

Stoll, Robert L.

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

252601, 548461, 548475, C09K 2100

Patent

active

050769707

ABSTRACT:
This invention relates to a process for preparing and treating a product predominant in N,N'-bis(tetrabromophthalimide) so as to produce a bisimide product which has enhanced suitability for use in thermoplastic formulations as a result of reduction in volatile impurities and particle size.

REFERENCES:
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patent: 4189423 (1980-02-01), Kumano et al.
patent: 4720553 (1988-01-01), Lee et al.
patent: 4894187 (1990-01-01), Bonnet et al.
patent: 4990626 (1991-02-01), Hutchinson et al.
patent: 4992557 (1991-02-01), Hutchinson et al.
patent: 4997953 (1991-03-01), McKenna
Spatz et al. Industrial and Engineering Chemistry Product Research and Development, vol. 8(4) (1969) pp. 397-398.

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