INTERLAYER POLYVINYL BUTYROL FILM FOR LAMINATED GLASS

An interlayer film for a laminated glass, which comprises polyvinyl butyral and a plastecizer ad has a T peel strength at 20.degree.C of not more than 0.5 kg/cw, said polyvinyl butyral satisfying the following expression V?-3X + 486 wherein X is the degree of butyralization in mole % and Y is the ha...

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Bibliographic Details
Main Authors MIYAKAWA, MASASHI, ASAHINA, KEN-ICHI, NOMURA, SHIGERU
Format Patent
LanguageEnglish
French
Published 25.02.1986
Edition4
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:An interlayer film for a laminated glass, which comprises polyvinyl butyral and a plastecizer ad has a T peel strength at 20.degree.C of not more than 0.5 kg/cw, said polyvinyl butyral satisfying the following expression V?-3X + 486 wherein X is the degree of butyralization in mole % and Y is the half-value width in cm-1 of hydroxyl absorption in the infrared absorption spectrum of the polyvinyl butyral in which the ordinate represents the transmittance and the abscissa represents the wave number.
Bibliography:Application Number: CA19820404130