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<正>PSA（pressure-sensitive-adhesive） is one of the adhesives which can distinguish by phase condition that they remain semi-solid structure from contact to fracture.So PSA have many advantages such as curing time（or drying time）,early adhesion force and etc.There are many types of PSA such as UV/EB system,anaerobic system, dual cure system,heat curing system,and so on.Especially,UV systems PSA have exceptional advantages in process such as properties control,fast preparation and etc.There are many types of fillers;especially Nano-size filler is researched recently.Generally nanotechnology deals with structures sized 100 nanometers or smaller in at least one dimension,and involves developing materials or devices within that size.