Reinforced plastic sheet and a method of preparing it

The present invention relates to a reinforced plastic sheet that can replace the glass substrate, the present invention is cured after impregnating a glass fiber solid phase thiourethane liquid resin of refractive index 1.50 ~ 1.61 including a polyisocyanate compound and a polythiol compound the obtained reinforced plastic sheet and a production method thereof are provided. Strengthening of the invention the plastic sheet is to replace the conventional glass substrate can be used as a cell phone, a tablet PC, laptop, LCD monitor, for display in a variety of fields or the touch-screen of the camera, such as the cover window, addition refrigerators, washing machines, TV there are a variety of electronic products, transparency and strength and transparency is required the cabinet, the various viewing window attached to a helmet or shield which can be widely used in such fields as required at the same time.