Colloidal particles of solid flame retardant and smoke suppressa

Details Colloidal particles of solid flame retardant and smoke suppressa Colloidal particles of solid flame retardant and smoke suppressa

1995-06-07

1997-12-09

Wu, Shean

Compositions

Fire retarding

Dispersion or colloidal system

252601, 252611, 252 8, 427191, 428546, 241 16, C09K 2100, C09K 328, B02C 1900

Patent

active

056956916

ABSTRACT:
The present invention concerns finely divided particles of compounds that provide flame retardancy and/or smoke suppressant properties to fibers, textiles, polymeric articles, paper, paint, coating and insulation. More particularly, the present invention concerns colloidal-sized particles of hydrated salts, organic phosphates, metal borates, polyamides, solid halogenated flame retardants with a melting point greater than 250.degree. C., molybdenum compounds, metallocenes, antimony compounds, zinc compounds, bismuth compounds and other solid chemicals which act as flame retardants or smoke suppressants. The present invention also concerns various milling processes to reduce these materials to colloidal sizes and to disperse them in water, organic liquids and meltable solids.

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