Mississippi Polymer Technologies Inc., a 4-year-old company in Bay St. Louis, Miss., has introduced its first product: a super-strong, very stiff “self-reinforcing polymer” called Parmax 1201.
Parmax 1201, the first in the Parmax 1200 family of materials, is based on a rigid-rod para-phenylene copolymer. The 1201 version can be processed by compression molding, but the company said it has developmental samples of extrusion and coating grades of Parmax. MPT is working on grades for extrusion, injection molding and other types of plastics processing.
MPT's Parmax self-reinforcing polymer technology means the material is 200-800 percent stronger and stiffer than other thermoplastics without adding fibers, according to President Robert Gagne. The polymer is noncombustible, maintains mechanical properties at cryogenic temperatures and is solvent-, scratch- and abrasion-resistant.
Parts compression molded from the polymer can be machined like aluminum, so stock shapes of Parmax 1201 can be made into bearings, gears, flanges and rubes.
MPT introduced Parmax 1201 at SPE-Antec in Chicago recently.
Many of MPT's early commercial activity has focused on military projects. In January, the U.S. Navy gave the company a $750,000 research contract to use Parmax as an insulating material on ramjet combustion engines, which create tremendous thrust but are limited by the high operating temperatures.
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