volume 10, issue 4, P583-594 1976
DOI: 10.1002/jbm.820100415
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Abstract: Polyacrylonitrile fabric (Orlon) may by oxidized by heating in air, when it becomes black and carbonized. During the heat treatment, the fibers shrink; this shrinkage allows components such as diaphrams to be shaped around molds. Oxidation reduces the tensile strength by about 25% and also reduces the stiffness of the material. The oxidized Orlons was screened in tissue culture for possible cytotoxic effects. Finding none, patches of the material were sutured into the right atrium of dogs and examined after 48…

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