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Virginia Tech Team Succeeded In 3D Printing Kapton
Nov 22, 2018

Two teams of researchers at Virginia tech has developed a 3D printing Kapton method.Most people will understand the Kapton from satellite yellow film, the film is often mistaken for gold, but people familiar with the 3D printing will know Kapton FDM liners using 3D printing machine.Kapton on space and 3D printers, the reason is that it is in 269 to 400 ° C temperature range wide remained stable.Due to its low outgassing rate and low temperature and high thermal conductivity, it formed in the vacuum environment good heat and electrical insulators.


Kapton exists in many electronic products, from TV to smart phones, and choice of flexible printed circuit and thermal blanket.But like card, useful, it is also difficult to manufacture, at least in any format is not a film.Amazing thermal performance from all aromatic molecule structure, this structure can only use sheet production so far.The new techniques involved in containing light crosslinking acrylate groups to use the mask - soluble precursor polymer projection stereo lithography (SLA), it enables the photoinduced chemical crosslinking to control the space.And heat treatment, the 3D printing products to convert a precursor of the crosslinked polymer into Kapton.


At Virginia tech professor Timothy Long is the key technology and applied science research institute of chemistry and macromolecular innovation, director of the institute (MII) he is a postdoctoral fellow at Maruti Hegde one of leadership, namely, the study's research assistant.They and their graduate design team has developed the first polymer synthesis, the polyimide can be 3D printing."We chose a kind of high temperature and high strength of polymer is fairly common, because we hope to be able to get a rapid impact on existing technology," Long said.