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Sep 10, 2018
Polyimide Processing
After decades of development, it has alwaysheld that the concept of polyimide difficult to process should be revised.Polyimide fact already applied to most polymer processing methods.
For example, by solution cast film, spincoating and screen printing; can be hot melt processing methods, extrusion,injection molding, even very low melt viscosity can be obtained prepolymertransfer molding (the RTM); you can use high solid content, preparation (PMRmethod) prepreg prepolymer solution were low viscosity; It may be spinningsolution (wet, dry, and one thousand jet wet spinning) and melt spinning; thequaternion dibasic acid ester monomers can also be a unique way to get apolyimide foam. It can also perform a vapor deposition method and the use of afilm unit dianhydride and diamine easy sublimation.
As for submicron lithography, deep straightwall etching, ion implantation, laser precision machining, nano-hybridtechnology and so on for the application of polyimide open vast world.
Thus, far from being a polyimide polymerdifficult to process, and comparison with other polymers or polymer processingmeans more to choose from.