Sintered polybenzimidazole articles and method of manufacture

Details Sintered polybenzimidazole articles and method of manufacture Sintered polybenzimidazole articles and method of manufacture

C - Chemistry, Metallurgy

08

G

18/1128

C08G 73/18 (2006.01)

Patent

CA 1304553

ABSTRACT OF THE DISCLOSURE Sintered polybenzimidazole articles are obtained by compacting a particulate, dried polybenzimidazole resin under a pressure of 2,000 to 10,000 psi in a mold, heating the formed article to a temperature in the range of 825 to 950°F for at least four hours, cooling the polybenzimidazole article to below 800-F while maintaining the article under a pressure of 2,000 to 10,000 psi, and thereafter heating the constrained formed polybenzimidazole article to a temperature in the range of 825 to 950°F for at least one hour.

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