WebAcid-blocked pyrrolidine catalysts for polyurethane foam Issued July 14, 2024 US20240356291A1 The present disclosure relates to acid-blocked pyrrolidine catalysts for use in a polyurethane ... WebIn addition to being lighter in weight than silicone foam, this polyimide foam also remains soft and conformable across a broader temperature range. This foam has open-cell construction, which allows water, air, and gases to be absorbed. For technical drawings and 3-D models, click on a part number.
Preparation and properties of polyimide/silver foams using a
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Construction of free-standing electrode anchored on …
WebDec 17, 2024 · Closed-cell rigid polyimide foams with excellent thermal stability and combined properties were prepared by thermal foaming of a reactive end-capped polyimide precursor powder in a closed mold. The precursor powder was obtained by thermal treatment of a polyester-amine salt (PEAS) solution derived from the reaction of the … WebHowever, the synthesis of such electrocatalysts by a simple and environmentally friendly method is still a tremendous challenge. Herein, NiSe nanoparticles were in situ deposited on the reduced graphene oxide-polyimide/carbon nanotube (RGO-PI/CNT) film by a green electrodeposition method. WebDec 17, 2024 · Closed-cell rigid polyimide foams with excellent thermal stability and combined properties were prepared by thermal foaming of a reactive end-capped polyimide precursor powder in a closed mold. The precursor powder was obtained by thermal treatment of a polyester-amine salt (PEAS) solution derived from the reaction of the … campgrounds nc beach area