The Dow Chemical Company

Anthony L Scaggs

John M Corbett

Richard E Skochdopole

A monovinylidene aromatic polymer foam having reduced propensity to ignite is produced by (1) foaming a copolymer of monovinylidene aromatic monomer and an ethylenically unsaturated carboxylic anhydride wherein a portion of the copolymer contains halogen moiety and (2) subsequently crosslinking the copolymer foam by contacting it with a crosslinking agent such as alkylene polyamine. The resultant copolymer foam does not melt or drip upon exposure to flame.

Crosslinked styrene polymer foam having suppressed ignition properties

A new cellular thermosetting synthetic polymer prepared by polymerizing an aminophenyl ethanol and an unsaturated dicarboxylic anhydride. The new synthetic polymer has self-extinguishing properties and exhibits low smoking characteristics and is useful as flame retardant insulation.

Novel fire-retardant polymer

A new cellular thermosetting synthetic polymer prepared by heating the polymerized foamed product derived from the reaction of an aminophenyl ethanol and an unsaturated dicarboxylic anhydride. The new synthetic polymer has self-extinguishing properties and exhibits low smoking characteristics and is useful as flame retardant insulation.

Growing community of inventors

Sanford, MI, United States of America

Anthony L Scaggs