Low Smoke Intumescent Flame Retardant For Thermoset Composites

The use of a new low smoke intumescent flame retardant for thermoset composites is described. This material, CN-1197 flame retardant, is a phosphorous-based compound which is very effective in promoting an intumescent char on the polymer surface during flammability tests.

SUGGESTED CITATION

Low Smoke Intumescent Flame Retardant For Thermoset Composites, E. J. Termine and K. G. Taylor, Reinforced Plastics, 34, 28 (1990).
Available at: http://termine.com/archives/457

ABSTRACT

The use of a new low smoke intumescent flame retardant for thermoset composites is described. This material, CN-1197 flame retardant, is a phosphorous-based compound which is very effective in promoting an intumescent char on the polymer surface during flammability tests.

CN-1197 flame retardant allows fabrication of composites with excellent physical property retention. The utility of CN-1197 is broad, especially in unsatuturated polyesters, vinyl esters and epoxies.

Composites formulated with CN-1197 received very low smoke values. For example, Class I reinforced polyester systems with smoke development values less than 100 are achieved with a 10-20 weight percent loading.

This paper reports recent studies to broaden the utility of CN-1197 in thermoset applications. Specifically, formulation information is presented, covering flammability and physical property performance, and processing consideration.
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Dr. Enrico J. Termine is a senior executive and scientist with thirty years of experience in business leadership, research & development, product engineering, marketing, and manufacturing. He has consulted for a variety of industrial and legal clients on engagements involving valuations, due diligence assignments, market research reports, strategy development reports, science and technology assessments, and root cause investigations. Dr. Termine is a bromine chemistry expert. He specializes in oilfield applications, flame retardant plastics, industrial and recreational water treatment and disinfection, specialty and fine chemicals, polymer additives, plastics, and organic synthesis for life science molecules and advanced materials. Dr. Termine earned both his Bachelor of Science in Chemistry and his Ph.D. in Organic Chemistry from the University of Miami. He has collaborated on more than 38 patents and publications. His technical contributions are useful in consumer electronics; for petroleum and petrochemical processing; in transportation and industrial products; in healthcare; for industrial and household disinfection; and in building and construction materials.

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