INTERLAYER STRUCTURE FOR LAMINATED GLASS

The present invention relates to a multilayer aligned interlocked polyvinyl butryal composite structure which has good properties as a component in glass laminate structures, especially in those structures needing thick (greater than 0.76 mm) interlayers of PVB. The multilayer structures is produced...

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Bibliographic Details
Main Authors KLAFKA, GUENTER, WEIMER, RICHARD
Format Patent
LanguageEnglish
French
Published 01.07.1999
Edition7
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
MINERAL OR SLAG WOOL
PERFORMING OPERATIONS
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TRANSPORTING
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Summary:The present invention relates to a multilayer aligned interlocked polyvinyl butryal composite structure which has good properties as a component in glass laminate structures, especially in those structures needing thick (greater than 0.76 mm) interlayers of PVB. The multilayer structures is produced by a process which uses two or more rollers containing plasticized PVB sheeting which are aligned and interlocked by simultaneous unwinding of the layers at set line speeds, temperatures and unwinding tensions.
Bibliography:Application Number: CA19982309537