Products/Services for Polybenzimidazole

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...to the cathode through Nafion membranes, is a major technical problem being investigated. One solution is a methanol barrier, which can be created by screen-printing a layer of polybenzimidazole (PBI) to Nafion. Another approach is modifying the surface structure of Nafion by using electron beam (EB...

...specified for thermal insulators, high-performance bearings, electrical connectors, and ablative structures. The family of imidized polymers include polyimide (PI), polyamideimide (PAI), polybenzimidazole (PBI), and polyetherimide (PEI). Chemically, all contain at least one imide linkage (carbonyl...

...well below the 160 C temperature used in this design that uses a PBI (polybenzimidazole polymer) PEM from PEMEAS, Germany. The high temp PEM FC solves a number of problems the MEA is CO tolerant, it eliminates a gas treatment step in the reformer, no humidification or water management issues...

), Polybenzimidazole-benzamide copolymer, process for preparing the same, electrolyte membrane prepared therefrom and process for preparing the same, Jong-chan Lee, Yong-su Park, Tae-ho Kim, Bong-keun Lee, and Chong-kyu Shin, LG Chem, Ltd. (KR). U.S. 7,556,877 (20090707), Direct methanol fuel cell...

Semitron ESd 520HR retains its ESD properties at temperatures up to 500 F. Rings that hold silicon wafers during etching are machined from a polybenzimidazole (PBI) polymer called Celazole. The PBI withstands aggressive chemicals and etch temperatures of 500 F. The relative changes in the dimensions...

...in Quartz Hill,. polyimide (PI) and polybenzimidazole. CA, USA. For further information, contact Quadrant EPP USA, Inc.,. Quadrant helped engineers specify these Torlon®. (PBI) offer similar resistance to fluids with. P.O. Box 14235, Reading, PA 19605 USA; (610) 320-6600, (800). 4203 PAI machined parts...

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