Research Progress in Modification of Photosensitive Resin Materials for Photocuring 3D Printing
Light curing 3D printing technology has become an emerging technology in the manufacturing industry because of its high precision,rapid prototyping,and complex parts can be formed.Photosensitive resin is the main consumable of light curing 3D printing technology,and its mechanical properties,heat resistance,precision and strength are not ideal enough to meet the needs of industrial production.In order to obtain the photosensitive resin with high mechanical strength and function,it must be modified.In this paper,the modification of photosensitive resin for photocuring 3D printing is introduced.Starting with the principle of SLA photocuring rapid prototyping technology,the various components of photosensitive resin are introduced,and the modification of photosensitive resin is shown from the two aspects of reaction type and addition type.Finally,the development trend of photosensitive resin is prospected.It is pointed out that in the future,on the basis of perfecting the existing photosensitive resin materials,more new materials for 3D printing will be developed,resin formula will be expanded,and more in-depth research will be carried out on the modification of photosensitive resins,so as to develop more high-performance,higher-strength,and greener resin systems.
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