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New Interlayers for Higher Security Automotive Glazing
Technical Paper
2002-01-1994
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Polyvinyl butyral (PVB) is used in laminated side glass on a number of automobiles. Protection against intrusion and vandalism and reduction of interior noise are two of the major benefits of PVB laminated side glass. While standard laminated glass performs to today's specifications, testing reveals new interlayer formulations of plasticized PVB, i.e., PVB/PET/PVB composite interlayer, have resulted in laminated side glass that shows enhanced intrusion resistance performance and maintains sound insulation property of standard laminated glass. The PVB layers perform their traditional task of intrusion prevention and noise reduction, while the PET layer provides stiffness to prevent collapse or pullout. Because of its multilayer composite structure, new performance features such as improved solar protection can also be added by modifying the composite interlayer structure. This paper presents results of intrusion resistance of laminated side glass with both new interlayers and commercially available PVB interlayer, and discusses the methods used for evaluating their performance.
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Authors
Citation
Lu, J., "New Interlayers for Higher Security Automotive Glazing," SAE Technical Paper 2002-01-1994, 2002, https://doi.org/10.4271/2002-01-1994.Also In
References
- Pyper, J. L. “Use of PVB in Laminated Side Glass for Passenger Vehicle Interior Noise Reduction,” International Body and Engineering Conference (IBEC) 2000 Society of Automotive Engineers, Paper No. 2000-01-2728
- Esposito, Robert A. “PVB Interlayer Performance Requirements for Laminated Side Glazing,” International Body Engineering Conference (IBEC) 1998 Society of Automotive Engineers, Paper No. 982351
- BS AU 209 Part 4a: 1995 Vehicle Security Specification for security glazing for passenger cars and car-derived vehicles British Standards Institution
- Schindler, D.L. Smith C.A. “Standard Test Development for Automotive Security Glazing,” International Body Engineering Conference (IBEC) 1998 Society of Automotive Engineers
- Esposito, Robert A. “Intrusion Resistance Test Development for Automotive Glazing,” International Body Engineering Conference (IBEC) 1999 Society of Automotive Engineers, Paper No. 1999-01-3159
- Lu, Jun Moran, James R Esposito, Robert A. “Enhanced Protective Glass for Higher Security Automotive Glazing,” International Body Engineering Conference (IBEC) 2000 Society of Automotive Engineers, Paper No. 2000-01-2695