Laminated Glass Experiment

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Abstract- Laminated glass (LG) is used as windshields in automotive industry. They are also widely spread in buildings as architectural glazing. LG consists of two or more layers of glass plies adhered by an interlayer. Two soda-lime glass plies are separated by an adhesive polymer that prevents the glass plies from shattering. In this paper presents the results of experiments of three point bending test with structural laminated glass plate. For experiments laminated glass with three different interlayer thickness and two different types of interlayer material polyvinyl butyral (PVB) and ethylene vinyl acetate (EVA) are used. INTRODUCTION- Laminated glass is a type of safety glass that holds together when shattered. In the event of breaking,…show more content…
Non chlorinated vinyl was invented in 1930’s and is formed by reaction of polyvinyl alcohol with butyraldehyde with further is conducted under heat and pressure. Manufacturing of laminated safety glass panels is one of the main PVB appliances in attempts to achieve strong binding between glasses, optical clarity, toughness and flexibility. Furthermore, PVB has excellent adhesion with many materials such as glass. As well PVB is widely used as a film sandwiched in a safety glass. EVA- (Ethylene vinyl acetate) The copolymer consisting of ethylene and vinyl acetate monomers. The material possesses the characteristics of high tensile strength, excellent transparency, sufficient cohesion, low-temperature toughness, stress-crack resistance, hot-melt adhesive, water proof properties and resistance to UV radiation that allows it to use in the photovoltaic industry as an encapsulation material for silicon cells. One of the major applications of EVA film is making laminated glass panels requiring safety and also moisture and UV radiation resistance. This lamination film is especially used for decorative glasses when some painted pictures or pattern should be put on it. EVA can be used as a substitute in many

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